ITMI992693A1 - Derivati di 2-(1h-indol-3il)-2-oxo-acetammidi ad attivita' antitumorale - Google Patents
Derivati di 2-(1h-indol-3il)-2-oxo-acetammidi ad attivita' antitumorale Download PDFInfo
- Publication number
- ITMI992693A1 ITMI992693A1 IT1999MI002693A ITMI992693A ITMI992693A1 IT MI992693 A1 ITMI992693 A1 IT MI992693A1 IT 1999MI002693 A IT1999MI002693 A IT 1999MI002693A IT MI992693 A ITMI992693 A IT MI992693A IT MI992693 A1 ITMI992693 A1 IT MI992693A1
- Authority
- IT
- Italy
- Prior art keywords
- oxo
- indole
- dihydrofuran
- acetamide
- chlorobenzyl
- Prior art date
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- 230000001093 anti-cancer Effects 0.000 title claims 2
- 206010028980 Neoplasm Diseases 0.000 claims abstract description 11
- 208000029742 colonic neoplasm Diseases 0.000 claims abstract description 8
- 230000000259 anti-tumor effect Effects 0.000 claims abstract description 6
- 210000001072 colon Anatomy 0.000 claims abstract description 4
- AWMLDBKLOPNOAR-UHFFFAOYSA-N 2-(1h-indol-3-yl)-2-oxoacetamide Chemical class C1=CC=C2C(C(=O)C(=O)N)=CNC2=C1 AWMLDBKLOPNOAR-UHFFFAOYSA-N 0.000 claims abstract description 3
- 208000037841 lung tumor Diseases 0.000 claims abstract description 3
- 229910052760 oxygen Inorganic materials 0.000 claims abstract 4
- 239000001301 oxygen Substances 0.000 claims abstract 4
- 229910052717 sulfur Inorganic materials 0.000 claims abstract 4
- 125000004434 sulfur atom Chemical group 0.000 claims abstract 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract 2
- 208000020816 lung neoplasm Diseases 0.000 claims description 5
- 206010009944 Colon cancer Diseases 0.000 claims description 3
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- 239000003795 chemical substances by application Substances 0.000 claims description 3
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- 230000001225 therapeutic effect Effects 0.000 claims description 3
- -1 5-oxo-2,5-dihydrofuran-3-yl Chemical group 0.000 claims 82
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- 150000001875 compounds Chemical class 0.000 claims 51
- IAZDPXIOMUYVGZ-WFGJKAKNSA-N Dimethyl sulfoxide Chemical compound [2H]C([2H])([2H])S(=O)C([2H])([2H])[2H] IAZDPXIOMUYVGZ-WFGJKAKNSA-N 0.000 claims 28
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- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 claims 24
- 239000000243 solution Substances 0.000 claims 23
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims 18
- 238000005160 1H NMR spectroscopy Methods 0.000 claims 17
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- 239000001257 hydrogen Substances 0.000 claims 15
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- 238000000034 method Methods 0.000 claims 11
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- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims 8
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- 238000002360 preparation method Methods 0.000 claims 8
- 125000004176 4-fluorobenzyl group Chemical group [H]C1=C([H])C(=C([H])C([H])=C1F)C([H])([H])* 0.000 claims 7
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 claims 7
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- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 claims 7
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- 125000000876 trifluoromethoxy group Chemical group FC(F)(F)O* 0.000 claims 4
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- 125000000339 4-pyridyl group Chemical group N1=C([H])C([H])=C([*])C([H])=C1[H] 0.000 claims 3
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- YKDHVCNWBRWILK-UHFFFAOYSA-N 2-[1-[(3-chlorophenyl)methyl]indol-3-yl]-2-oxo-n-(5-oxo-2h-furan-3-yl)acetamide Chemical compound ClC1=CC=CC(CN2C3=CC=CC=C3C(C(=O)C(=O)NC=3COC(=O)C=3)=C2)=C1 YKDHVCNWBRWILK-UHFFFAOYSA-N 0.000 claims 2
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- QULVRSNATJGZPD-UHFFFAOYSA-N 6-fluoro-1-[(4-methylphenyl)methyl]indole Chemical compound C1=CC(C)=CC=C1CN1C2=CC(F)=CC=C2C=C1 QULVRSNATJGZPD-UHFFFAOYSA-N 0.000 claims 1
- VTJXLVGZNOINAD-UHFFFAOYSA-N 6-methoxy-1-methylindole Chemical compound COC1=CC=C2C=CN(C)C2=C1 VTJXLVGZNOINAD-UHFFFAOYSA-N 0.000 claims 1
- YKEYOEQXFRQBMP-UHFFFAOYSA-N 6-nitro-1-[[3-(trifluoromethyl)phenyl]methyl]indole Chemical compound C12=CC([N+](=O)[O-])=CC=C2C=CN1CC1=CC=CC(C(F)(F)F)=C1 YKEYOEQXFRQBMP-UHFFFAOYSA-N 0.000 claims 1
- 241000416162 Astragalus gummifer Species 0.000 claims 1
- 229920002261 Corn starch Polymers 0.000 claims 1
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 claims 1
- 108010010803 Gelatin Proteins 0.000 claims 1
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 claims 1
- GUBGYTABKSRVRQ-QKKXKWKRSA-N Lactose Natural products OC[C@H]1O[C@@H](O[C@H]2[C@H](O)[C@@H](O)C(O)O[C@@H]2CO)[C@H](O)[C@@H](O)[C@H]1O GUBGYTABKSRVRQ-QKKXKWKRSA-N 0.000 claims 1
- 229920000168 Microcrystalline cellulose Polymers 0.000 claims 1
- ZDZOTLJHXYCWBA-VCVYQWHSSA-N N-debenzoyl-N-(tert-butoxycarbonyl)-10-deacetyltaxol Chemical compound O([C@H]1[C@H]2[C@@](C([C@H](O)C3=C(C)[C@@H](OC(=O)[C@H](O)[C@@H](NC(=O)OC(C)(C)C)C=4C=CC=CC=4)C[C@]1(O)C3(C)C)=O)(C)[C@@H](O)C[C@H]1OC[C@]12OC(=O)C)C(=O)C1=CC=CC=C1 ZDZOTLJHXYCWBA-VCVYQWHSSA-N 0.000 claims 1
- 238000005481 NMR spectroscopy Methods 0.000 claims 1
- 229910019142 PO4 Inorganic materials 0.000 claims 1
- 229930012538 Paclitaxel Natural products 0.000 claims 1
- 239000002202 Polyethylene glycol Substances 0.000 claims 1
- 229920001800 Shellac Polymers 0.000 claims 1
- DWAQJAXMDSEUJJ-UHFFFAOYSA-M Sodium bisulfite Chemical compound [Na+].OS([O-])=O DWAQJAXMDSEUJJ-UHFFFAOYSA-M 0.000 claims 1
- 229920002472 Starch Polymers 0.000 claims 1
- 229930006000 Sucrose Natural products 0.000 claims 1
- CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 claims 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical group [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims 1
- 229920001615 Tragacanth Polymers 0.000 claims 1
- BRUIXWYZNHIKMH-UHFFFAOYSA-N [1-[(4-chlorophenyl)methyl]-3-[2-oxo-2-[(5-oxo-2h-furan-3-yl)amino]acetyl]indol-4-yl] acetate Chemical compound C1=C(C(=O)C(=O)NC=2COC(=O)C=2)C=2C(OC(=O)C)=CC=CC=2N1CC1=CC=C(Cl)C=C1 BRUIXWYZNHIKMH-UHFFFAOYSA-N 0.000 claims 1
- BLMFZRZRZWPYEM-UHFFFAOYSA-N [1-[(4-chlorophenyl)methyl]-3-[2-oxo-2-[(5-oxo-2h-furan-3-yl)amino]acetyl]indol-6-yl] acetate Chemical compound C12=CC(OC(=O)C)=CC=C2C(C(=O)C(=O)NC=2COC(=O)C=2)=CN1CC1=CC=C(Cl)C=C1 BLMFZRZRZWPYEM-UHFFFAOYSA-N 0.000 claims 1
- BTUNEAZCRWKSAK-UHFFFAOYSA-N [1-[(4-chlorophenyl)methyl]indol-4-yl] acetate Chemical compound C1=CC=2C(OC(=O)C)=CC=CC=2N1CC1=CC=C(Cl)C=C1 BTUNEAZCRWKSAK-UHFFFAOYSA-N 0.000 claims 1
- NVUOBGKHTOFJBN-UHFFFAOYSA-N [1-[(4-chlorophenyl)methyl]indol-6-yl] acetate Chemical compound C12=CC(OC(=O)C)=CC=C2C=CN1CC1=CC=C(Cl)C=C1 NVUOBGKHTOFJBN-UHFFFAOYSA-N 0.000 claims 1
- 239000000370 acceptor Substances 0.000 claims 1
- 150000001242 acetic acid derivatives Chemical class 0.000 claims 1
- 239000002253 acid Substances 0.000 claims 1
- 150000007513 acids Chemical class 0.000 claims 1
- 239000004480 active ingredient Substances 0.000 claims 1
- 239000013543 active substance Substances 0.000 claims 1
- 239000000783 alginic acid Substances 0.000 claims 1
- 235000010443 alginic acid Nutrition 0.000 claims 1
- 229920000615 alginic acid Polymers 0.000 claims 1
- 229960001126 alginic acid Drugs 0.000 claims 1
- 150000004781 alginic acids Chemical class 0.000 claims 1
- 239000003513 alkali Substances 0.000 claims 1
- 150000001342 alkaline earth metals Chemical class 0.000 claims 1
- 150000004703 alkoxides Chemical class 0.000 claims 1
- 125000003545 alkoxy group Chemical group 0.000 claims 1
- 230000009435 amidation Effects 0.000 claims 1
- 238000007112 amidation reaction Methods 0.000 claims 1
- 125000003368 amide group Chemical group 0.000 claims 1
- 239000003242 anti bacterial agent Substances 0.000 claims 1
- 230000003266 anti-allergic effect Effects 0.000 claims 1
- 230000001088 anti-asthma Effects 0.000 claims 1
- 239000000924 antiasthmatic agent Substances 0.000 claims 1
- 239000003963 antioxidant agent Substances 0.000 claims 1
- 235000006708 antioxidants Nutrition 0.000 claims 1
- 239000000010 aprotic solvent Substances 0.000 claims 1
- 125000003118 aryl group Chemical group 0.000 claims 1
- 235000010323 ascorbic acid Nutrition 0.000 claims 1
- 229960005070 ascorbic acid Drugs 0.000 claims 1
- 239000011668 ascorbic acid Substances 0.000 claims 1
- VSRXQHXAPYXROS-UHFFFAOYSA-N azanide;cyclobutane-1,1-dicarboxylic acid;platinum(2+) Chemical compound [NH2-].[NH2-].[Pt+2].OC(=O)C1(C(O)=O)CCC1 VSRXQHXAPYXROS-UHFFFAOYSA-N 0.000 claims 1
- 239000002585 base Substances 0.000 claims 1
- 235000019445 benzyl alcohol Nutrition 0.000 claims 1
- WQZGKKKJIJFFOK-VFUOTHLCSA-N beta-D-glucose Chemical compound OC[C@H]1O[C@@H](O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-VFUOTHLCSA-N 0.000 claims 1
- 239000011230 binding agent Substances 0.000 claims 1
- 238000009835 boiling Methods 0.000 claims 1
- 239000000872 buffer Substances 0.000 claims 1
- VIHAEDVKXSOUAT-UHFFFAOYSA-N but-2-en-4-olide Chemical compound O=C1OCC=C1 VIHAEDVKXSOUAT-UHFFFAOYSA-N 0.000 claims 1
- 229960004562 carboplatin Drugs 0.000 claims 1
- 150000001735 carboxylic acids Chemical class 0.000 claims 1
- 239000002738 chelating agent Substances 0.000 claims 1
- DQLATGHUWYMOKM-UHFFFAOYSA-L cisplatin Chemical compound N[Pt](N)(Cl)Cl DQLATGHUWYMOKM-UHFFFAOYSA-L 0.000 claims 1
- 229960004316 cisplatin Drugs 0.000 claims 1
- 150000001860 citric acid derivatives Chemical class 0.000 claims 1
- 239000011248 coating agent Substances 0.000 claims 1
- 229940075614 colloidal silicon dioxide Drugs 0.000 claims 1
- 239000008120 corn starch Substances 0.000 claims 1
- 239000002274 desiccant Substances 0.000 claims 1
- 239000008121 dextrose Substances 0.000 claims 1
- 239000003085 diluting agent Substances 0.000 claims 1
- 239000007884 disintegrant Substances 0.000 claims 1
- 229960004679 doxorubicin Drugs 0.000 claims 1
- 239000003814 drug Substances 0.000 claims 1
- 238000001035 drying Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 claims 1
- 125000004185 ester group Chemical group 0.000 claims 1
- 230000032050 esterification Effects 0.000 claims 1
- 238000005886 esterification reaction Methods 0.000 claims 1
- SWVNSOJBNMGYMO-HYXAFXHYSA-N ethyl (z)-3-amino-4-chlorobut-2-enoate Chemical compound CCOC(=O)\C=C(/N)CCl SWVNSOJBNMGYMO-HYXAFXHYSA-N 0.000 claims 1
- LAWFROCJPHFCBT-UHFFFAOYSA-N ethyl 1-[(4-chlorophenyl)methyl]-3-[2-oxo-2-[(5-oxo-2h-furan-3-yl)amino]acetyl]indole-4-carboxylate Chemical compound C1=C(C(=O)C(=O)NC=2COC(=O)C=2)C=2C(C(=O)OCC)=CC=CC=2N1CC1=CC=C(Cl)C=C1 LAWFROCJPHFCBT-UHFFFAOYSA-N 0.000 claims 1
- ZARROXAWDMKQQU-UHFFFAOYSA-N ethyl 1-[(4-chlorophenyl)methyl]indole-4-carboxylate Chemical compound C1=CC=2C(C(=O)OCC)=CC=CC=2N1CC1=CC=C(Cl)C=C1 ZARROXAWDMKQQU-UHFFFAOYSA-N 0.000 claims 1
- OHLRLMWUFVDREV-UHFFFAOYSA-N ethyl 4-chloro-3-oxobutanoate Chemical compound CCOC(=O)CC(=O)CCl OHLRLMWUFVDREV-UHFFFAOYSA-N 0.000 claims 1
- 238000011156 evaluation Methods 0.000 claims 1
- 238000001704 evaporation Methods 0.000 claims 1
- 230000008020 evaporation Effects 0.000 claims 1
- 238000002474 experimental method Methods 0.000 claims 1
- 239000010685 fatty oil Substances 0.000 claims 1
- 239000000706 filtrate Substances 0.000 claims 1
- 125000004175 fluorobenzyl group Chemical group 0.000 claims 1
- 235000003599 food sweetener Nutrition 0.000 claims 1
- 125000000524 functional group Chemical group 0.000 claims 1
- 230000004927 fusion Effects 0.000 claims 1
- 239000008273 gelatin Substances 0.000 claims 1
- 229920000159 gelatin Polymers 0.000 claims 1
- 229940014259 gelatin Drugs 0.000 claims 1
- 239000007903 gelatin capsule Substances 0.000 claims 1
- 235000019322 gelatine Nutrition 0.000 claims 1
- 235000011852 gelatine desserts Nutrition 0.000 claims 1
- 239000011521 glass Substances 0.000 claims 1
- 235000011187 glycerol Nutrition 0.000 claims 1
- 159000000011 group IA salts Chemical class 0.000 claims 1
- 150000004678 hydrides Chemical class 0.000 claims 1
- 238000006460 hydrolysis reaction Methods 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 claims 1
- 150000004679 hydroxides Chemical class 0.000 claims 1
- 230000002519 immonomodulatory effect Effects 0.000 claims 1
- 230000001506 immunosuppresive effect Effects 0.000 claims 1
- 238000000338 in vitro Methods 0.000 claims 1
- 238000001727 in vivo Methods 0.000 claims 1
- 238000011534 incubation Methods 0.000 claims 1
- 239000003701 inert diluent Substances 0.000 claims 1
- 239000004615 ingredient Substances 0.000 claims 1
- 239000008101 lactose Substances 0.000 claims 1
- 230000000670 limiting effect Effects 0.000 claims 1
- XMGQYMWWDOXHJM-UHFFFAOYSA-N limonene Chemical compound CC(=C)C1CCC(C)=CC1 XMGQYMWWDOXHJM-UHFFFAOYSA-N 0.000 claims 1
- 239000007788 liquid Substances 0.000 claims 1
- 239000000314 lubricant Substances 0.000 claims 1
- 235000019359 magnesium stearate Nutrition 0.000 claims 1
- JZYIOWUOANBNIS-UHFFFAOYSA-N methyl 1-[(4-chlorophenyl)methyl]-3-[2-oxo-2-[(5-oxo-2h-furan-3-yl)amino]acetyl]indole-5-carboxylate Chemical compound C1=C(C(=O)C(=O)NC=2COC(=O)C=2)C2=CC(C(=O)OC)=CC=C2N1CC1=CC=C(Cl)C=C1 JZYIOWUOANBNIS-UHFFFAOYSA-N 0.000 claims 1
- JUFKVERHVVZNPW-UHFFFAOYSA-N methyl 1-[[4-(trifluoromethoxy)phenyl]methyl]indole-6-carboxylate Chemical compound C12=CC(C(=O)OC)=CC=C2C=CN1CC1=CC=C(OC(F)(F)F)C=C1 JUFKVERHVVZNPW-UHFFFAOYSA-N 0.000 claims 1
- LILRHTVWXQWXCQ-UHFFFAOYSA-N methyl 3-(indol-1-ylmethyl)benzoate Chemical compound COC(=O)C1=CC=CC(CN2C3=CC=CC=C3C=C2)=C1 LILRHTVWXQWXCQ-UHFFFAOYSA-N 0.000 claims 1
- AVSZYTUNFQJJIW-UHFFFAOYSA-N methyl 3-[2-oxo-2-[(5-oxo-2h-furan-3-yl)amino]acetyl]-1-[[4-(trifluoromethoxy)phenyl]methyl]indole-6-carboxylate Chemical compound C12=CC(C(=O)OC)=CC=C2C(C(=O)C(=O)NC=2COC(=O)C=2)=CN1CC1=CC=C(OC(F)(F)F)C=C1 AVSZYTUNFQJJIW-UHFFFAOYSA-N 0.000 claims 1
- RSLKNVGEWWIABL-UHFFFAOYSA-N methyl 3-[[3-[2-oxo-2-[(5-oxo-2h-furan-3-yl)amino]acetyl]indol-1-yl]methyl]benzoate Chemical compound COC(=O)C1=CC=CC(CN2C3=CC=CC=C3C(C(=O)C(=O)NC=3COC(=O)C=3)=C2)=C1 RSLKNVGEWWIABL-UHFFFAOYSA-N 0.000 claims 1
- ABYRQXUKLCPEMG-UHFFFAOYSA-N methyl 4-(indol-1-ylmethyl)benzoate Chemical compound C1=CC(C(=O)OC)=CC=C1CN1C2=CC=CC=C2C=C1 ABYRQXUKLCPEMG-UHFFFAOYSA-N 0.000 claims 1
- HTQHYDNSUMSHON-UHFFFAOYSA-N methyl 4-[(6-fluoroindol-1-yl)methyl]benzoate Chemical compound C1=CC(C(=O)OC)=CC=C1CN1C2=CC(F)=CC=C2C=C1 HTQHYDNSUMSHON-UHFFFAOYSA-N 0.000 claims 1
- SNGJDDHVOLMNIY-UHFFFAOYSA-N methyl 4-[[3-[2-oxo-2-[(5-oxo-2h-furan-3-yl)amino]acetyl]indol-1-yl]methyl]benzoate Chemical compound C1=CC(C(=O)OC)=CC=C1CN1C2=CC=CC=C2C(C(=O)C(=O)NC=2COC(=O)C=2)=C1 SNGJDDHVOLMNIY-UHFFFAOYSA-N 0.000 claims 1
- YSGVYZRTYQVHDZ-UHFFFAOYSA-N methyl 4-[[6-fluoro-3-[2-oxo-2-[(5-oxo-2h-furan-3-yl)amino]acetyl]indol-1-yl]methyl]benzoate Chemical compound C1=CC(C(=O)OC)=CC=C1CN1C2=CC(F)=CC=C2C(C(=O)C(=O)NC=2COC(=O)C=2)=C1 YSGVYZRTYQVHDZ-UHFFFAOYSA-N 0.000 claims 1
- 229960001047 methyl salicylate Drugs 0.000 claims 1
- 229940016286 microcrystalline cellulose Drugs 0.000 claims 1
- 235000019813 microcrystalline cellulose Nutrition 0.000 claims 1
- 239000008108 microcrystalline cellulose Substances 0.000 claims 1
- 239000008368 mint flavor Substances 0.000 claims 1
- BTWIGYNTLUEHBD-UHFFFAOYSA-N n-(1-benzylindol-5-yl)acetamide Chemical compound C1=CC2=CC(NC(=O)C)=CC=C2N1CC1=CC=CC=C1 BTWIGYNTLUEHBD-UHFFFAOYSA-N 0.000 claims 1
- IJRAXYRWNMKNPB-UHFFFAOYSA-N n-[1-[(4-chlorophenyl)methyl]indol-4-yl]acetamide Chemical compound C1=CC=2C(NC(=O)C)=CC=CC=2N1CC1=CC=C(Cl)C=C1 IJRAXYRWNMKNPB-UHFFFAOYSA-N 0.000 claims 1
- WVJPEBHBXKYSGO-UHFFFAOYSA-N n-[1-[[4-(trifluoromethyl)phenyl]methyl]indol-5-yl]methanesulfonamide Chemical compound C1=CC2=CC(NS(=O)(=O)C)=CC=C2N1CC1=CC=C(C(F)(F)F)C=C1 WVJPEBHBXKYSGO-UHFFFAOYSA-N 0.000 claims 1
- 125000004923 naphthylmethyl group Chemical group C1(=CC=CC2=CC=CC=C12)C* 0.000 claims 1
- 239000007968 orange flavor Substances 0.000 claims 1
- 239000012074 organic phase Substances 0.000 claims 1
- 125000003431 oxalo group Chemical group 0.000 claims 1
- 125000006505 p-cyanobenzyl group Chemical group [H]C1=C([H])C(=C([H])C([H])=C1C#N)C([H])([H])* 0.000 claims 1
- 125000000636 p-nitrophenyl group Chemical group [H]C1=C([H])C(=C([H])C([H])=C1*)[N+]([O-])=O 0.000 claims 1
- 125000001037 p-tolyl group Chemical group [H]C1=C([H])C(=C([H])C([H])=C1*)C([H])([H])[H] 0.000 claims 1
- 229960001592 paclitaxel Drugs 0.000 claims 1
- 238000007911 parenteral administration Methods 0.000 claims 1
- 239000000546 pharmaceutical excipient Substances 0.000 claims 1
- 235000021317 phosphate Nutrition 0.000 claims 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 claims 1
- 239000004033 plastic Substances 0.000 claims 1
- 229920003023 plastic Polymers 0.000 claims 1
- 229920001223 polyethylene glycol Polymers 0.000 claims 1
- LPNYRYFBWFDTMA-UHFFFAOYSA-N potassium tert-butoxide Chemical compound [K+].CC(C)(C)[O-] LPNYRYFBWFDTMA-UHFFFAOYSA-N 0.000 claims 1
- 239000000843 powder Substances 0.000 claims 1
- 125000006239 protecting group Chemical group 0.000 claims 1
- 238000000746 purification Methods 0.000 claims 1
- 125000004076 pyridyl group Chemical group 0.000 claims 1
- 125000005344 pyridylmethyl group Chemical group [H]C1=C([H])C([H])=C([H])C(=N1)C([H])([H])* 0.000 claims 1
- CVHZOJJKTDOEJC-UHFFFAOYSA-N saccharin Chemical compound C1=CC=C2C(=O)NS(=O)(=O)C2=C1 CVHZOJJKTDOEJC-UHFFFAOYSA-N 0.000 claims 1
- 229940081974 saccharin Drugs 0.000 claims 1
- 235000019204 saccharin Nutrition 0.000 claims 1
- 239000000901 saccharin and its Na,K and Ca salt Substances 0.000 claims 1
- 239000012047 saturated solution Substances 0.000 claims 1
- 239000004208 shellac Substances 0.000 claims 1
- ZLGIYFNHBLSMPS-ATJNOEHPSA-N shellac Chemical compound OCCCCCC(O)C(O)CCCCCCCC(O)=O.C1C23[C@H](C(O)=O)CCC2[C@](C)(CO)[C@@H]1C(C(O)=O)=C[C@@H]3O ZLGIYFNHBLSMPS-ATJNOEHPSA-N 0.000 claims 1
- 229940113147 shellac Drugs 0.000 claims 1
- 235000013874 shellac Nutrition 0.000 claims 1
- 235000010267 sodium hydrogen sulphite Nutrition 0.000 claims 1
- 239000008107 starch Substances 0.000 claims 1
- 235000019698 starch Nutrition 0.000 claims 1
- 239000000126 substance Substances 0.000 claims 1
- 125000001424 substituent group Chemical group 0.000 claims 1
- 239000005720 sucrose Substances 0.000 claims 1
- 239000011593 sulfur Substances 0.000 claims 1
- 239000003765 sweetening agent Substances 0.000 claims 1
- 230000002195 synergetic effect Effects 0.000 claims 1
- 235000020357 syrup Nutrition 0.000 claims 1
- 239000006188 syrup Substances 0.000 claims 1
- 239000003826 tablet Substances 0.000 claims 1
- RCINICONZNJXQF-MZXODVADSA-N taxol Chemical compound O([C@@H]1[C@@]2(C[C@@H](C(C)=C(C2(C)C)[C@H](C([C@]2(C)[C@@H](O)C[C@H]3OC[C@]3([C@H]21)OC(C)=O)=O)OC(=O)C)OC(=O)[C@H](O)[C@@H](NC(=O)C=1C=CC=CC=1)C=1C=CC=CC=1)O)C(=O)C1=CC=CC=C1 RCINICONZNJXQF-MZXODVADSA-N 0.000 claims 1
- 229940063683 taxotere Drugs 0.000 claims 1
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 claims 1
- 238000002560 therapeutic procedure Methods 0.000 claims 1
- UCFGDBYHRUNTLO-QHCPKHFHSA-N topotecan Chemical compound C1=C(O)C(CN(C)C)=C2C=C(CN3C4=CC5=C(C3=O)COC(=O)[C@]5(O)CC)C4=NC2=C1 UCFGDBYHRUNTLO-QHCPKHFHSA-N 0.000 claims 1
- 229960000303 topotecan Drugs 0.000 claims 1
- 235000010487 tragacanth Nutrition 0.000 claims 1
- 239000000196 tragacanth Substances 0.000 claims 1
- 229940116362 tragacanth Drugs 0.000 claims 1
- 230000009466 transformation Effects 0.000 claims 1
- 210000004881 tumor cell Anatomy 0.000 claims 1
- 239000008215 water for injection Substances 0.000 claims 1
- 208000001333 Colorectal Neoplasms Diseases 0.000 description 2
- 201000011510 cancer Diseases 0.000 description 2
- 238000002512 chemotherapy Methods 0.000 description 2
- 206010006187 Breast cancer Diseases 0.000 description 1
- 208000026310 Breast neoplasm Diseases 0.000 description 1
- 238000009096 combination chemotherapy Methods 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 239000002547 new drug Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D405/00—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom
- C07D405/02—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings
- C07D405/12—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings linked by a chain containing hetero atoms as chain links
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/33—Heterocyclic compounds
- A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
- A61K31/40—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having five-membered rings with one nitrogen as the only ring hetero atom, e.g. sulpiride, succinimide, tolmetin, buflomedil
- A61K31/403—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having five-membered rings with one nitrogen as the only ring hetero atom, e.g. sulpiride, succinimide, tolmetin, buflomedil condensed with carbocyclic rings, e.g. carbazole
- A61K31/404—Indoles, e.g. pindolol
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P35/00—Antineoplastic agents
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D409/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms
- C07D409/02—Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms containing two hetero rings
- C07D409/12—Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms containing two hetero rings linked by a chain containing hetero atoms as chain links
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Pharmacology & Pharmacy (AREA)
- Medicinal Chemistry (AREA)
- Animal Behavior & Ethology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Epidemiology (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Indole Compounds (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
- Plural Heterocyclic Compounds (AREA)
Description
La presente invenzione si riferisce a derivati 2-(lH-indol-3-il)-2-oxoacetammidi aventi attività antitumorale, in particolare nei confronti di tumori solidi, specialmente i tumori del colon e del polmone.
Il carcinoma colo-rettale è uno dei tumori più comuni nel mondo industrializzato in quanto ha un’incidenza di circa 421.000 nuovi casi l’anno a livello mondiale ed è secondo solo ai tumori polmonari e mammari quale causa di morte.
La percentuale di pazienti curabili chirurgicamente è circa del 45-50% ed i rimanenti pazienti possono essere trattati con chemioterapia di combinazione, ottenendo una percentuale di remissione completa non superiore al 5%.
I tumori colo-rettali sono solitamente refrattari o poco sensibili alla chemioterapia attualmente disponibile e l’unico agente che fornisce una certa risposta contro questo tipo di cancro è il 5-fluorouracile.
Purtroppo attualmente non esistono alternative terapeutiche in caso di fallimento della chemioterapia combinatoria d’attacco basata essenzialmente sul 5-FU.
Pertanto è particolarmente sentita l’esigenza di avere a disposizione nuovi farmaci attivi contro questo tipo di tumori.
Claims (7)
- WO 99712917 a nome Roche Diagnostics descrive derivati 4-ureido e tioureido 2(5H)-furanonici o 2(5H)-tiofenonici ad attività antitumorale, particolarmente nei confronti di tumori del colon. WO 98/09946 a nome Asta Medica descrive derivati di indol-3-gliossilammidi. I composti sono sostituiti all’atòmo di azoto ammidico da residui aromatici e piridilici e per essi vengono riportate attività antiasmatiche, antiallergiche, immunosoppressive ed immunomodulanti. In Proceedings of thè American Association for Cancer Research , volume 40, abstract 1893 e 4110, 1999, viene descritto il composto N-(4-piridil)-2-(l-(4-clorobenzil)-lH-indol-3-il)-gliossilammide (D-24,851), per il quale vengono riportati effetti antitumorali in vitro ed in vivo. Si è ora trovato che derivati N-(5-oxo-2,5-diidrofuran-3-il) o N-(5-oxo-2,5-diidrotiofen-3-il)-2-(lH-indol-3-il)-2-oxo-acetammidici sono dotati di spiccata attività antitumorale, particolarmente nei confronti di tumori solidi umani. I composti dell’invenzione possono essere rappresentati dalla formula generale I:in cui: RI e R2 sono indipendentemente idrogeno o un gruppo alchilico C1-C6; R3 è idrogeno, alchile C1-C4, aralchile, fenile eventualmente sostituito; R4 è idrogeno, alchile C1-C8 lineare o ramificato, cicloalchile C5-C6; aralchile; eteroaralchile; X rappresenta uno o più gruppi, fino ad un massimo di quattro, scelti indipendentemente tra idrogeno, alchile C1-C6, idrossi, alcossi Cl-C4, alogenoalcossi C1-C3, fenossi, a<'>ralcossi, acilossi C1-C3, ammino, C1-C3 alchilammino, Cl-C3-acilammino, Cl-C3-alchilsolfonilammino, aroilammino, alogeno, nitro, ciano, trifluorometile, carbossi, C1-C3 alcossicarbonile, un gruppo RaRbN(CH2)nC(=0)- essendo Ra e Rb indipendentemente idrogeno, Cl-C3-alchile o Ra ed Rb assieme all’atomo di azoto a cui sono legati formano un anello pirrolidinico, piperidinico, piperazinico o morfolinico ed essendo n = 0 o un intero da 2 a 4, solfonile, mercapto, Cl-C4-alchiltio, Cl-C4-alchilsulfonile, Cl-C4-alchilsolfonile, amminosolfonile, Cl-C3-alchilamminosolfonile; Y è un atomo di ossigeno o zolfo. L'invenzione riguarda anche i sali dei composti di formula I ottenibili per reazione fra acidi o basi non tossici con i gruppi ionizzabili presenti nei composti I. Sono preferiti in particolare i sali alcalini al gruppo ammidico che risulta salificabile per trattamento con idrossidi o alcossidi alcalini. Fenile eventualmente sostituito significa preferibilmente fenile, 4-metilfenile, 2,4-dimetossi-fenile, 4-metossi-fenile, 4-nitro-fenile, 3-clorofenile, 4-idrossifenile, 3,5-dimetossi-4-idrossi-fenile, 3-ciano-fenile, 2-idrossifenile, 2-carbossifenile. Aralchile significa preferibilmente benzile, fenetile, naftilmetile, bifenilmetile, eventualmente sostituiti da uno o più gruppi trifluorometile, nitro, ciano, metilsolfonile, tertbutile. Eteroaralchile significa preferibilmente piridilmetile. RI e R2 ed R3 sono preferibilmente idrogeno e metile. R4 è preferibilmente idrogeno; metile; benzile sostituito sull’anello benzenico da uno o più gruppi scelti tra metile, fluoro, cloro, bromo, idrossi, acetossi, metossi, trifluorometossi, trifluorometile, ciano, nitro, animino, acetilammino, metilsolfonilammino, metilmercapto, metilsulfinile, metilsolfonile, fenile; a-naftile, β-naftile; 4-piridile; 4-piridile-N ossido. X è preferibilmente metile, etile, fluoro, cloro, bromo, idrossi, acetossi, metossi, fenossi, trifluorometossi, trifluorometile, ciano, nitro, ammino, acetilammino, metilsolfonilammino, metilmercapto, metilsulfinile, metilsolfonile. Y è preferibilmente un atomo di ossigeno. I composti dell’invenzione in cui Y è ossigeno possono essere preparati per reazione dei composti di formula IIin cui R3, ed R4 ed X sono come sopra definiti, con un composto di formula (III).in cui RI ed R2 sono come sopra definiti. La reazione viene condotta in un solvente quale, ad esempio, etere etilico, etere isopropilico, metil-tert-butil etere, tetraidrofurano, diossano, diclorometano, 1,2-dicloroetano, toluene, dimetilformammide, dimetilacetammide, dimetilsolfossido, ad una temperatura compresa tra 0°C e la temperatura di riflusso del solvente, ed utilizzando da 1 a 3 equivalenti molari dei composti di formula (Ili). I composti di formula I in cui Y è zolfo sono ottenibili con metodi analoghi. Si opera preferibilmente in un solvente etereo quale etere etilico o THF, ad una temperatura compresa tra la temperatura ambiente ed 80°C. I composti di formula (I) così ottenuti possono successivamente essere trasformati in altro composti di formula I secondo le metodiche convenzionalmente usate per la trasformazione di gruppi funzionali, quali ad esempio reazioni di idrolisi di gruppi esterei, esterificazioni di acidi carbossilici, ammidazioni e simili. Ad esempio, qualora nei composti di formula (II) i gruppi X ed R4 contengano sostituenti che interferiscono nella reazione dei composti di formula (II) con i composti di formula (III), si ricorrerà a opportuni gruppi protettivi che saranno poi rimossi secondo metodi convenzionali. I composti di formula (II) vengono ottenuti per reazione dei composti di formula IVin cui X, R3 ed R4 sono come sopra definiti, con cloruro di ossalile. La reazione viene generalmente condotta in un solvente quale etere etilico, etere isopropilico, tert-butil metil etere, tetraidrofurano, diossano, diclorometano, ad una temperatura compresa tra -10°C e 25°C ed utilizzando da uno a due equivalenti molare di cloruro di ossalile. Si opera preferibilmente tra 0°C e 25°C in etere etilico o in tetraidrofurano utilizzando un lieve eccesso (1,2 equivalenti molari) di cloruro di ossalile e la reazione e generalmente completa in 3 ore. I composti di formula IV vengono ottenuti per reazione degli indoli di formula Vcon alogenuri di formula R4-Hal (VI), dove Hai è preferibilmente cloro o bromo, in presenza di accettori di acidità. La reazione viene generalmente condotta utilizzando una quantità equimolare o un lieve eccesso di alogenuro VI, in un solvente protico, aprotico dipolare o apolare come ad esempio etanolo, isopropanolo, terz-butanolo, tetraidrofurano, diossano, dimetilsolfossido, dimetilformammide, dimetilacetammide, N-metilpirrolidinone, acetonitrile, in presenza di un idrossido o un alcolato o un idruro di un metallo alcalino od alcalino terroso come ad esempio idrossido di sodio, sodio idruro, terz-butilato di potassio. Si opera ad una temperatura generalmente compresa tra 0°C e la temperatura di riflusso del solvente, per un tempo compreso tra 30’ a 24 ore. La reazione viene preferibilmente condotta in dimetilsolfossido in presenza di una quantità equimolare di sodio idruro rispetto ai composti V, operando a 0°-25°C per la reazione dei composti V con sodio idruro, seguita dall’aggiunta dei composti VI e dal riscaldamento a 50-70 °C. La reazione è generalmente completa in tre ore. I composti di formula V e VI sono noti o preparabili con metodi noti, e molti di loro sono commercialmente disponibili. I composti di formula (III) vengono ottenuti attraverso le reazioni descritte nello schema a partire dai composti noti di formula VII. I composti VII vengono inizialmente convertiti nelle enammine Vili per reazione con un sale ammonico come ad esempio acetato di ammonio. Le enammine vengono successivamente convertite nei composti III per riscaldamento in dimetilformammide.Alternativamente, i composti III possono essere ottenuti dai noti furandioni IX per fusione con un sale di ammonio come ad esempio acetato di ammonio.I composti secondo l’invenzione sono stati saggiati farmacologicamente contro quattro linee di cellule tumorali umane: HT 29 (carcinoma del colon), PC 3 (carcinoma della prostata), H 460M (carcinoma del polmone), MKN-45 (carcinoma gastrico). Dopo 1 o 144 ore di incubazione delle cellule con il composto da saggiare, è stata determinata la citotossicità, utilizzando il saggio MTT (Mosman, T. “Rapid Colorimetrie Assay for Cellular Growth and Survival: Application to Proliferation and Cytotoxicity Assay”; J. Immunolog. Methods, (1983), 65, 66; Green, L.M., Rapid Colorimetrie Assay for Celi Viability; Application to thè Quantitation of Cytotoxic and Growth Inhibitory Lymphokines”, J. Immunol. Methods, (1984), 70, 257-268). Dai dati ottenuti è emerso che i composti secondo la presente invenzione sono dotati di una marcata attività nei confronti di tumori sòlidi, in particolare dei tumori del colon e del polmone. I composti secondo la presente invenzione possono essere somministrati in dosi variabili da 0,01 mg a 1 g per Kg di peso corporeo al giorno. Una modalità di somministrazione preferita è quella che utilizza un dosaggio da circa 1 mg a circa 500 mg per Kg di peso corporeo al giorno, impiegando dosi unitarie tali da somministrare in 24 ore da circa 70 mg a circa 3,5 g della sostanza attiva ad un paziente con un peso di circa 70 Kg. Una tale modalità di somministrazione può essere aggiustata per ottenere un miglior effetto terapeutico. Ad esempio, le dosi possono essere aggiustate in considerazione della situazione terapeutica del paziente. I composti attivi secondo rinvenzione possono essere somministrati per via orale, endovenosa, intramuscolare o sottocutanea. I composti deirinvenzione, quando somministrati, secondo modalità terapeutiche ben note, in combinazione con altri agenti utilizzati per indurre la regressione di tumori, aumentano gli effetti antitumorali di detti composti in maniera sinergica. Esempi dei composti che possono essere utilizzati in combinazione con i composti dell’ invenzione sono rappresentati da cisplatino, carboplatino, doxorubicina, topotecan, taxolo, taxotere, vincristna, 5-fluorouracile. Le composizioni farmaceutiche secondo la presente invenzione contengono quantità terapeuticamente efficaci di almeno un composto secondo l’invenzione in miscela con eccipienti compatibili con l’uso farmaceutico. Le composizioni per via orale comprendono generalmente un diluente inerte o un supporto edibile e possono essere racchiuse in capsule di gelatina o ridotte in compresse. Altre possibili forme di somministrazione per via orale sono rappresentate da capsule, pillole, elisir, sospensioni o sciroppi. Le compresse, le pillole, le capsule e composizioni similari possono contenere i seguenti ingredienti (in aggiunta al composto attivo): un legante, quale cellulosa microcristallina, gomma adragante o gelatina; un supporto quale amido o lattosio, un disgregante quale acido alginico, primogel, amido di mais e simili; un lubrificante quale magnesio stearato; un fluidificante quale biossido di silicio colloidale; un dolcificante quale saccarosio o saccarina o un aromatizzante quale aroma di menta, salicilato di metile o aroma d’arancia. Quando la composizione selezionata è in forma di capsule, essa può contenere in aggiunta un veicolo liquido quale un olio grasso. Altre composizioni possono contenere vari materiali, per esempio agenti di rivestimento (per compresse e pillole) quali zucchero o shellac. Il materiale usato nella preparazione delle composizioni dovrebbe essere farmaceuticamente puro e non tossico ai dosaggi impiegati. Per la preparazione di composizioni farmaceutiche per somministrazione parenterale l’ingrediente attivo può essere incluso in soluzioni o sospensioni, che possono contenere in aggiunta i seguenti componenti: un diluente sterile quale acqua per iniezioni, soluzione salina, olio, polietilenglicol, glicerina, glicol propilenico o altri solventi sintetici; agenti antibatterici quali alcool benzilico; antiossidanti quali acido ascorbico o sodio bisolfito; agenti chelanti quali acido etilendiamminotetraacetico; tamponi quali acetati, citrati o fosfati e agenti per aggiustare la tonicità della soluzione, quali cloruro di sodio o destrosio, Le preparazioni parenterali possono essere racchiuse in ampolle, siringhe monodose, fiale di vetro o plastica. La presente invenzione sarà ulteriormente descritta facendo riferimento agli esempi forniti qui di seguito a titolo illustrativo e non limitativo. Preparazione 1: 4-ammino-5H-furan-2-one Una soluzione di 4-cloroacetoacetato di etile (7,02 mi) ed acetato di ammonio (11,8 g) in etanolo assoluto (180 mi) viene riscaldata a ricadere per 3 ore. Dopo una notte a temperatura ambiente la soluzione viene concentrata a secchezza per distillazione a pressione ridotta ed il residuo ottenuto viene purificato per cromatografia flash (gel di silice, 200g; eluente CH2Cl2/MeOH/TEA 15/5/02), per dare 6,53 g di (Z)-3-ammino-4-cloro-2butenoato di etile come olio scuro che viene utilizzato senza ulteriore purificazione. 1H-NMR (DMSO-d6, ppm): 1,20 (t, 3H); 4,0 (q, 2H); 4,15 (s, 2H); 4,65 (s, IH); 6-80-7,75 (br. s, 2H). La configurazione Z attorno al doppio legame viene confermata mediante esperimenti NOE di risonanza magnetica nucleare. Il prodotto così ottenuto (6,30 g) viene disciolto in dimetilformammide anidra e la soluzione scaldata in atmosfera di azoto a 100°C per 2h.30’e successivamente a 130°C per Ih. 30’. La dimetilformammide viene successivamente allontanata per distillazione a pressione ridotta a 90°C ed il residuo ottenuto viene disciolto in etanolo assoluto (50 mi) e trattato con carbone decolorante (1,5 g). Dopo allontanamento del carbone per filtrazione, il filtrato viene concentrato a secco per dare un residuo che viene purificato per flash cromatografia (gel di silice, 190 g; eluente CH2Cl2/MeOH 9/1). Le frazioni cromatografiche contenenti il prodotto vengono riunite, concentrate a secchezza ed il residuo cristallizzato da acetato di etile (3 mi) ed etere isopropilico (6 mi). Si ottengono 2,54 g di 4-ammino-5H-furan-2-one. p.f. 157-159°C 1H-NMR (DMSO-d6, ppm): 4,45 (s, IH); 4,57 (s, 2H); 7,20 (br. s, 2H). Preparazione 2: l-(2,4,6-trimetilbenzìl)indolo Una soluzione di indolo (1,185 g) in DMSO anidro (3 mi) viene aggiunta per gocciolamento ad una sospensione di idruro di sodio (sospensione al 60% in olio minerale; 0,44 g) in DMSO anidro (10 mi). Dopo due ore, alla soluzione ottenuta viene aggiunta una soluzione di 2,4,6-trimetilbenzilcloruro (1,9 g) in DMSO anidro (2 mi) e la miscela di reazione viene scaldata a 60°C per 6 h. Dopo una notte a temperatura ambiente, la miscela di reazione vene versata in acqua (250 mi) ed estratta con acetato di etile. Dopo anidrificazione (Na2S04), filtrazione dell’agente anidrificante ed evaporazione del solvente a pressione ridotta, il residuo ottenuto viene purificato per cromatografia su colonna (gel di silice; eluente n-esano/AcOEt 9/1). Si ottengono 2,2 g di 1-(2,4,6-trimetilbenziI)indolo. p.f. 79-81°C Preparazione 3: l-(n-ottil)indolo Una soluzione di indolo (1,0 g) in DMSO anidro (1 mi) viene aggiunta per gocciolamento ad una sospensione di idruro di sodio (sospensione al 60% in olio minerale; 0,37 g) in DMSO anidro (20 mi). Si scalda a 60°C per Ih. Dopo raffreddamento a temperatura ambiente, alla soluzione ottenuta viene aggiunta mediante gocciolamento una soluzione di n-ottil bromuro (2,82 mi) in DMSO anidro (2,8 mi). Dopo una notte a temperatura ambiente, la miscela di reazione vene versata in acqua (200 mi) ed estratta con acetato di etile (2 x 50 mi). Le fasi organiche riunite sono lavate con una soluzione satura di NaCl, anidrificate ed evaporate a secchezza. Il residuo ottenuto viene purificato per cromatografia su colonna (gel di silice; eluente n-esano). Si ottengono 1,86 g di l-(n-ottil)indolo come olio. 1H-NMR Preparazione 4: indoli- 1 -sostituiti Utilizzando le procedure descritte negli esempi 2 e 3 vengono preparati i seguenti indoli 1 -sostituiti a partire dagli opportuni indoli ed alogenuri: 1 -(4-clorobenziI)-5-cloroindolo, olio; 1 -(4-clorobenzil)-6-cloroindolo, olio; 1 -(4-clorobenzil)-2-metilindolo, olio; l-(4-cìorobenzil)-5-nitroindolo, p.f. 135- 137°C; 1 -(4-clorobenzil)-6-fluoroindolo, olio; l-[4-(metilsulfonil)benzil]-5-cloroindolo, p.f. 133-135°C; l-(4-clorobenzil)-5-metossindolo, olio; l-(3-clorobenzil)indolo, olio; l-(4-fluorobenzil)indolo, olio; l-(P-naftil)indol0l p.f. 106-108°C; l-(4-bifenilmetil)indolo, p.f. 130-133°C; l-(4-metossibenziI)indolo, olio; 1-benzilindolo, olio; l-(4-clorobenzil)indolo, olio; 1-metilindolo, olio; 5-cloro- 1 -(4-clorobenzil)-2-metilindolo; 5-metossi- 1 -(4-clorobenzil)-2-metilindolo; l-(4-clorobenzil)-2,5-dimetilindolo; 4-cloro- 1 -(4-clorobenzil)indolo; 4-acetossi-l-(4-clorobenzil)indolo; l-(4-clorobenzil)-4-metilindolo; l-(4-clorobenzil)-5-cianoindolo; 5-bromo- 1 -(4-clorobenzil)indoIo; 5,6-dimetossi-l-(4-clorobenzil)indoIo; 5-benzilossi- 1 -(4-clorobenzil)indolo; l-(4-cIorobenzil)-5-(metossicarbonil)indolo; 5-acetilammino- 1 -(4-clorobenzil)indolo; -metansolfonilammino- 1 -(4-clorobenzil)indolo; l-(4-clórobenzil)-5-metilindolo; l-(4-clorobenzil)-6-metilindolo; l-(4-clorobenzil)-7-nitroindolo; l-(4-clorobenziI)-7-metilindolo; l-(4-clorobenzil)-4-metossiindolo; l-(4-clorobenzil)-4-(etossicarbonil)indolo; l-(4-clorobenzil)-4-nitroindolo; 4-acetilammino- 1 -(4-clorobenzil)indolo; 6-ciano- 1 -(4-clorobenzil)indolo; 5,7-dimetossi-l-(4-clorobenzil)indolo; l-(4-clorobenzil)-2-fenilindolo; l-(4-clorobenzil)-2-fenil-5-metilindolo; l-(4-clorobenzil)-2,7-dimetilindolo; 1-(4-clorobenzil)-6-metossiindolo; 2-(4-clorofenil)- 1-etilindolo; l-(4-clorobenzil)-2-(2-piridil)indolo; 5-benzilossi-l-(4-clorobenzil)-6-metossiindolo; 7-benzilossi- 1 -(4-clorobenzil)indolo; 5-benzilossi-l-(4-clorobenzil)-6-metossiindolo; l-(4-clorobenzil)-5,6-metilendiossiindolo; l-(4-clorobenzil)-2-(4-clorofenil)indolo; 4-benzilossi- 1 -(4-clorobenzil)indolo; l-(4-clorobenzil)-7-metossiindolo; l-(4-clorobenzil)-4,5,6-trimetossiindolo; 1 -(4-clorobenzil)-2-etilindolo; l-(4-clorobenzil)-6-nitroindolo; 6-benzilossi- 1 -(4-clorobenzil)indolo; 4-fluoro- 1 -(4-clorobenzil)indolo; l-(4-clorobenzil)-2-(4-fluorofenil)indolo; l-(4-clorobenzil)-2-(3-cloro-4-fluorofenil)indolo; l-(4-clorobenzil)-2-(3,4-difluoro fendendolo; 5-acetilammino-l-(4-clorobenzil)indolo; l-(4-cIorobenzil)-2-metil-5-nitroindolo; l-(4-clorobenzil)-2-(2-naftil)indolo; 1-(4-clorobenzil)-2-(4-fluorofenil)indolo; 2-(2-acetilamminofenil)-l-(4-clorobenzil)indolo; l-(4-clorobenzil)-7-etilindolo; 6-acetossi- 1 -(4-clorobenzil)indolo; l-(4-clorobenzil)-4,7-dimetossiindolo; l-(4-clorobenzil)-4-metossicarbonilindolo; 4-(4-clorobenzoilammino)- 1 -(4-clorobenzil)indolo; l-(4-clorobenzil)-6-metossicarboniIindo!o; l-(4-cIorobenzil)-7-metossicarbonilindolo; l-(4-clorobenzil)-6-(2-dimetilamminoetilaminocarbonil)indolo; 1 -(4-clorobenzil)-5-iodoindolo; l-(n-butil)indolo; l-(4-clorobenzil)-4,5,6,7-tetrafluoroindolo; <‘>l-(4-clorobenzil)-6-trifluorometilindolo; 4-cloro- 1 -(4-clorobenzil)-6-metossiindolo; 6-cloro-l-(4-cIorobenzil)-4-metossiindolo; l-(4-clórobenzil)-5-fenossiindolo; l-(4-clorobenzil)-2-(2-clorofenil)indolo; l-(4-clorobenzil)-5,6-metilendiossiindolo; 1 -(2-bromobenzil)indolo; 1 -(3-bromobenzil)indolo; 1 -(4-bromobenzil)indolo; 1 -(4-bromobenziI)6-metilindolo; l-(2-metilbenzil)indolo; l-(3-metilbenzil)indolo; l-(4-metilbenzil)indolo; l-(4-metilbenzil)-6-fluoroindolo; 1 -(4-terz-butilbenzil)indolo; l-(4-terz-butilbenzil)-6-metossiindolo; l-(2,3,4,5}5-pentafluorobenzil)indolo; 1 -(2~fluorobenzil)indolo; 1 -(2,6-difluorobenzil)indolo; l-(3-fluorobenzil)indolo; l-(3-fluorobenzil)-5-bromoindolo; l-(4-fluorobenzil)indolo; l-(3-trifìuorometilbenzil)-6-nitroindolo; l-(4-trifluorometilbenzil)indolo; l-(4-trifluorometilbenzil)-5-metansolfonilamminoindolo; l-(2-clorobenzil)indolo; 1 -(2,6-diclorobenzil)indolo; 1 -(3-clorobenzil)indolo; 1 -(2-cianobenzil)indolo; 1 -(3-cianobenzil)indolo; l-(4-cianobenzil)-6-fluoroindolo; l-(4-metossicarbonilbenzil)indolo; l-(4-metossicarbonilbenzil)-6-fluoroindolo; l-(2-nitrobenzil)indolo; l-(3-nitrobenzil)indolo; l-(2-metossi-5-nitrobenziI)indolo; 1 -(4-nitrobenzil)indolo; l-(3,4-difluorobenzil)indolo; l-(3,4-difluorobenzil)-6-metossiindolo; l-(2,5-difluorobenzil)indolo; l-(3}5-bis(trifluorometil)benzil)indolo; l-(3,5-difluorobenzil)indolo; l-(2,4-bis(trifluorometil)benzil)indolo; l-(4-(metossicarboniImetil)benzil)indolo; 1 -(2,4-difluorobenzil)indolo; l-(3,5-dimetilbenzil)indolo; l-(2-trifluorometilbenzil)indolo; l-(2-cloro-6-fluorobenzil)indolo; l-(3,4-diclorobenzil)indolo; l-(3,4-diclorobenzil)-6-fluoroindolo; l-(3J4-diclorobenzil)-6-metilindolo; l-(2-bromo-5-fluorobenzil)indolo; l-(2-fluoro-3-metilbenzil)indolo; l-(2,3-difluorobenzil)indolo; l-(3-cloro-2-fluorobenzil)indo!o; l-(3-(metossicarbonil)benzil)indolo; l-(3,5-dibromobenzil)indolo; l-(4-fluoro-2-(trifluorometil)benzil)indolo; l-(2,3,6-trifluorobenzil)indolo; l-(2,4,5-trifluorobenzil)indolo; 1 -(2,4,6-trifluorobenzil)indolo; l-(2,3,4-trifluorobenzil)indolo; l-(4-trifluorometossibenzil)indolo; l-(4-trifluorometossibenzil)-6-carbometossiindolo; l-(3-trifluorometossibenzil)indolo; l-(2-bifenilmetil)indolo; l-(4-difluorometossibenzil)indolo; l-(3,4-dimetossi-6-nitrobenzil)indolo; l-(3-metossibenzil)indolo; l-(2-cloro-4-fluorobenzil)indolo; l-(2,5-diclorobenzil)indolo; l-(4-fluorobenzil)-4-cloroindolo; l-(4-fluorobenzil)-5-cloroindolo; l-(4-fluorobenzil)-6-cloroindolo; l-(4-fluorobenzil)-2-metilindolo; l-(4-fluorobenzil)-5-nitroindolo; l-(4-fluorobenzil)-6-fluoroindolo; l-[4-fluorobenzil]-5-cloroindolo; l-(4-fluorobenzil)-5-metossindolo; 1 -(4-fluorobenzil)-4-metilndolo; l-(4-fluorobenzi!)-5-metilndolo; 1 -(4-fluorobenzil)-6-metilndolo; 1 -(4-fluorobenzil)-7-metilndolo; l-(4-fluorobenzil)-5,6-metilendiossiindolo; l-(3-clorobenzil)-5-cianoindolo; l-(4-bifenilmetil)-6-carbometossiindolo; l-(4-metossibenzil)-4-cloroindolo; 5-acetilammino- 1 -benzilindolo; 6-fìuoro- 1 -[(4-metilsolfonil)benzil]indolo; l-metil-6-metossiindolo; 5-cloro-l-(4-metossibenzil)-2-metilindolo; l-(4-piridilmetil)indolo; l-(4-piridilmetil)-6-cloroindolo; Esempio 1 2-(l-(4-clorobenzil)-lH-indol-3-il)-2-oxo-acetiI cloruro A una soluzione di l-(4-clorobenziI)-lH-indolo (2,0 g) in etere etilico anidro (5 mi) mantenuta sotto agitazione e raffreddata a 0°C viene aggiunta mediante gocciolamento una soluzione di cloruro di ossalile (0,85 mi) in etere etilico anidro (2 mi). Al termine del gocciolamento si lascia a temperatura ambiente per 2h. Il solido separatosi viene recuperato per filtrazione, lavato con etere etilico anidro ed essiccato sotto vuoto a 40°C per dare il 2-(l-(4-clorobenzil)-lH-indol-3-il)-2-oxo-acetil cloruro (1,64 g). p.f. 151-153°C 1H-NMR (CHCl3-d3, ppm): 5,43 (s, 2H); 7,12 (d, 2H); 7,25-7,45 (m, 5H); 8,25 (s, IH); 8,43 (m, IH). Esempio 2 N-(5-oxo-2,5-diidrofuran-3-ìl)-2-(l-(4-clorobenzìl)-lH-indol-3-iI)-2-oxo-acetammide Una soluzione di 2-(l-(4-clorobenzil)-lH-indol-3-il)-2-oxo-acetil cloruro (0,45 g) e 4-ammino-5H-furan-2-one (0,30 g) in tetraidrofurano anidro (10 mi) viene scaldata a riflusso per 2h. Dopo raffreddamento a temperatura ambiente la miscela di reazione viene versata in acqua (200 mi) e la sospensione ottenuta viene lasciata sotto agitazione per Ih. Il solido presente viene raccolto per filtrazione e risospeso in metanolo (4,3 mi) sotto agitazione per Ih. Il solido viene raccolto per filtrazione a dare N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(4-clorobenzil)-lH-indol-3-il)-2-oxo-acetammide (0,27 g)· p.f. 253-255°C. 1H-NMR (DMSO-d6, ppm): 5,13 (s, 2H); 5,65 (s, 2H); 6,05 (s, IH); 7,25-7,50 (m, 6H); 7,65 (m, IH); 8,30 (m, IH); 9,05 (s, IH); 11,90 (s, IH). Analisi elementare: % Calcolato per C2 IH15C1N304: C - 63,89, H = 3,83, N - 7,10, CI - 8,98 % Trovato: C = 63,65, H = 4,02, N = 6,89, CI = 9,13 Esempio 3 N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(4-fluorobenzil)-lH-indol-3-iI)-2oxo-acetammide Una soluzione di l-(4-fluorobenzil)-lH-indolo (0,50 g) in etere etilico anidro (5 mi) viene aggiunta mediante gocciolamento ad una soluzione agitata di cloruro di ossalile (0,209 mi) in etere etilico anidro (5 mi) raffreddata a 0°C. Al termine del gocciolamento si lascia a temperatura ambiente per 2h. La miscela di reazione viene successivamente evaporata a secchezza ed il residuo ottenuto viene ridisciolto in tetraidrofurano anidro (5 mi) e la soluzione aggiunta per gocciolamento ad una soluzione di 4-ammino-5H-furan-2-one (0,45 g) in tetraidrofurano anidro (22 mi). Al termine del gocciolamento si scalda a riflusso per 3h. Dopo una notte a temperatura ambiente la miscela di reazione viene versata in acqua (300 mi) e la sospensione ottenuta viene lasciata sotto agitazione per Ih. Il solido presente viene raccolto per filtrazione e risospeso in metanolo bollente (20 mi) sotto agitazione per 30’. Dopo 2h a temperatura ambiente il solido viene recuperato per filtrazione a dare ΓΝ-(5-oxo-2, 5-diidro furan-3-il)-2-(l-(4-fluorobenzil)-lH-indol-3-il)-2-oxoacetammide (0,35 g). p.f. 260-262°C 1H-NMR (DMSO-d6, ppm): 5,15 (s, 2H); 5,65 (s, 2H); 6,05 (s, IH); 7,10-7,25 (m, IH); 7,25-7,50 (2m, 4 1 H); 7,65 (m, IH); 8,30 (m, IH); 9,1 (s, IH); 11,90 (s, IH). Analisi elementare: % Calcolato per C21H1SFN204: C = 66,66, H = 4,00, N = 7,40, F - 5,02 % Trovato: C = 66,43, H = 4,12, N = 7,18, F = 4,96 Esempio 4 Utilizzando procedure simili a quelle descritte negli esempi 1-3 ed impiegando come prodotti di partenza gli opportuni indoli 1 -sostituiti vengono preparati i seguenti prodotti: N-(5-oxo-2,5-diidrofuran-3-il)-2-(5-cloro-l-(4-clorobenzil)-lH-indol-3-il)-2-oxo-acetammide; p.f. 251-253°C (da AcOEt/Et20); 1H-NMR (DMSO-dó, ppm): 5,13 (s, 2H); 5,65 (s, 2H); 6,05 (s, IH); 7,40 (m, 5H); 7,65 (d, IH); 8,23 (s, IH); 9,12 (s, IH); 11,87 (s, IH). Analisi elementare: % Calcolato per C21H14C1N204: C = 58,76, H = 3,29, N = 6,53, CI = 16,52 % Trovato: C = 58,1 1, H = 3,43, N = 6,40, CI = 15,58 N-(5-oxo-2,5-diidrofuran-3-il)-2-(6-cloro-l-(4-clorobenzil)-lH-indol-3-il)-2-oxo-acetammide; p.f. 255-257°C (da AcOEt/Et20); 1H-NMR (DMSO-d6, ppm): 5,13 (s, 2H); 5,68 (s, 2H); 6,05 (s, IH); 7,35 (m, 5H); 7,80 (s, IH); 8,23 (d, IH); 9,10 (s, IH); 11,87 (s, IH). Analisi elementare: % Calcolato per C21H14C1N204: C = 58,76, H = 3,29, N = 6,53, CI = 16,52 % Trovato: C = 58,08 H = 3,39, N = 6,10, CI = 15,71 N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(4-clorobenzil)-2-metil-lH-indoI-3-il)-2-oxo-acetammide; p.f. 254-256°C (da alcool isopropilico); 1H-NMR (DMS0-d6, ppm): 2,65 (s, 3H); 5,15 (s, 2H); 5,65 (s, 2H); 5,95 (s, IH); 7,07 (d, 2H); 7,23 (m, 4H); 7,40 (d, 2H); 7,63 (m, IH); 7,93 (m, IH); 11,98 (s, IH). Analisi elementare: % Calcolato per C22H17C1N204: C = 64,63, H = 4,19, N - 6,85, CI = 8,67 Trovato C = 64,39, H = 4,23, N = 6,80, CI - 8,62 N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(4-clorobenzil)-5-nitro-lH-indol-3-il)-2-oxo-acetammide; p.f. 248-250°C (da MeOH); Analisi elementare: % Calcolato per C2IHMC1N306: C = 57,35, H = 3,21, N = 9,55 % Trovato: C = 56,55, H = 3,16, N = 9,05 N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(4-clorobenzil)-5-fluoro-lH-indòl-3-il)-2-oxo-acetammide; p.f. 242-245°C (da metanolo); Analisi elementare: % Calcolato per C2iH14CFlN204: C = 61,10, H = 3,42, N = 6,79, Ci - 8,59 % Trovato: N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(4-metilsulfonil)benzil)-lH-indol-3-il)-2-oxo-acetammide; p.f. 283-285°C (da metanolo e AcOEt); Analisi elementare: % Calcolato per C22HlgN206S: C - 60,27, H = 4,14, N = 6,39, S = 7,31 % Trovato: N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(4-clorobenzil)-5-metossi-lH-indol-3-il)-2-oxo-acetammide; p.f. 238-240°C (da MeOH e AcOEt); 1H-NMR (DMSO-d6, ppm): 3,80 (s, 3H); 5,13 (s, 2H); 5,65 (s, 2H); 6,05 (s, IH); 6,95 (m, IH); 7,30-7,55 (m, 5H); 7,80 (m, IH); 9,00 (s, IH); 11,90 (s, IH). Analisi elementare: % Calcolato per C22H17C1N205: C = 62,20, H = 4,03, N = 6,59, CI = 8,34 % Trovato: C - 62,00, H - 4,01, N = 6,52, CI - 8,81 N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(3-clorobenzil)-lH-indol-3-il)-2-oxo-acetammide; p.f. 268-270°C (da MeOH); Analisi elementare: % Calcolato per C2|H15C1N204: C = 63,89, H = 3,83, N = 7,10, CI = 8,98 Trovato: N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(2-naftilmetil)-lH-indol-3-il)-2-oxo-acetammide; p.f. 283-285°C (da AcOEt); 1H-NMR (DMSO-d6, ppm): 5,15 (s, 2H); 5,80 (s, 2H); 6,05 (s, IH); 7,10-7,25 (m, 2H); 7,25-7,50 (m, 2H); 7,65 (m, IH); 7,90 (m, 5H); 8,30 (m, IH); 9,10 (s, IH); 11,90 (s, IH). N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(4-metossibenzil)-lH-indol-3-il)-2- \ oxo-acetammide; p.f. 265-267°C (da metanolo); 1H-NMR (DMSO-d6, ppm): 5,15 (s, 2H); 5,60 (s, 2H); 6,05 (s, IH); 6,90 (d, 2H); 7,35 (2m, 4H); 7,65 (m, IH); 8,30 (m, IH); 9,05 (s, IH); 11,90 (s, IH). Analisi elementare: % Calcolato per C22Hi8N205: C = 67,69, H = 4,65, N = 7,18 % Trovato: C = 66,78, H = 4,67, N = 6,84 N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(2,4,6-trimetilbenzil)-lH-indol-3-il)-2-oxo-acetammide; p.f. 288-290°C (da AcOEt); 1H-NMR (DMSO-d6, ppm): 2,40 (s, 6H); 2,40 (s, 6H); 5,05 (s, 2H); 5,45 (s, 2H); 5,95 (s, IH); 7,00 (s, 2H); 7,40 (m, 2H); 7,80 (m, IH); 8,25 (s, IH); 8,35 (m, IH); 11,85 (s, IH). Analisi elementare: % Calcolato per C24H22N204: C = 71,63, H = 5,51, N = 6,96 % Trovato: C = 70,70, H = 5,53, N = 6,69 N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-benzil-lH-indol-3-il)-2-oxoacetammide; p.f. 275-277°C (da metanolo); 1H-NMR (DMSO-d6, ppm): 5,10 (s, 2H); 5,85 (s, 2H); 6,05 (s, IH); 7,30 (m, 7H); 7,60 (m, IH); 8,25 (m, IH); 9,05 (s, IH); 11,90 (s, IH). Analisi elementare: % Calcolato per C2iH16N204: C — 69,99, H = 4,48, N = 7,77 % Trovato: C - 69,36, H = 4,59, N = 7,45 N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(4-bifenilmetil)-lH-indol-3-il)-2-oxo-acetammide; p.f. 245-248°C 1H-NMR (DMSO-d6, ppm): 5,10 (s, 2H); 5,85 (s, 2H); 6,05 (s, IH); 7,35 (m, 7H); 7,70 (m, 5H); 8,25 (m, IH); 9,05 (s, IH); 11,87 (s, IH). N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(n-ottil)-lH-indol-3-il)-2-oxoacetammide; p.f. 224-226°C (da metanolo); 1H-NMR (DMSO-d6, ppm): 0,80 (t, 3H); 1,05-1,40 (m, 10H); 4,40 (t, 2H); 5,13 (s, 2H); 6,05 (s, IH); 7,35 (m, 2H); 7,67 (m, IH); 8,30 (m, IH); 8,85 (s, IH); 11,90 (s, IH). N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-metil-lH-indol-3-il)-2-oxoacetammide; p.f. 262-264°C (da metanolo); 1H-NMR (DMSO-dó, ppm): 3,95 (s, 3H); 5,15 (s, 2H); 6,03 (s, IH); 7,35 (m, 2H); 7,65 (m, IH); 8,30 (m, IH); 8,85 (s, IH); 11,90 (s, IH). N-(5-oxo-2,5-diidrofuran-3-il)-2-(5-cloro-l-(4-clorobenzil)-2-metil-lH-indol-3-il) -2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(5-metossi-l-(4-clorobenzil)-2-metillH-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(4-clorobenzil)-2,5-dimetil-lH-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(4-cloro-l-(4-clorobenzil)-lH-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)'2-(4-acetossi-l-(4-clorobenzil)-lH-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(I-(4-clorobenzil)-4-metil-lH-indol-3-il)-2-oxo-acetammide, p.f. 217-219°C; N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(4-clorobenzil)-5-ciano-lH-indol-3-il)-2-oxo-acetammide, p.f. 284-287°C; N-(5-oxo-2,5-diidrofuran-3-il)-2-(5-bromo-l-(4-clorobenzil)-lH-indol-3-il)-2-oxo-acetammide, p.f. 283-286°C; N-(5-oxo-2,5-diidrof\iran-3-il)-2-(5,6-dimetossi-l-(4-clorobenziì)-lH-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(5-benzilossi-l-(4-clorobenzil)-lH-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(4-clorobenzil)-5-(metossicarbonil)-lH-indol-3-il)-2-oxo-acetammide; •N-(5-oxo-2,5-diidrofuran-3-il)-2-(5-acetilammino-l-(4-clorobenzil)-lHindol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(5-metansolfonilammino-l-(4-clorobenzil)-lH-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(4-clorobenzil)-5-metil-lH-indoI-3-il)-2-oxo-acetammide, p.f. 277-280°C N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(4-clorobenzil)-6-metil-lH-indol-3-il)-2-oxo-acetammide, p.f. 282-284°C; N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(4-clorobenzil)-7-nitro-lH-indol-3-il)-2'Oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(4-clorobenzil)-7-metil-lH-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(4-clorobenzil)-4-metossi-lH-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(4-clorobenzil)-4-(etossicarbonil)-lH-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-( 1 -(4-clorobenzil)-4-nitro- 1 H-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(4-acetilammino-l-(4-clorobenzil)-lH-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(6-ciano-l-(4-clorobenzil)-lH-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(5,7-dimetossi-l-(4-clorobenzil)-lH-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(4-clorobenzil)-2-fenil-lH-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-( 1 -(4-clorobenzil)-2-fenil-5-metil- 1H-indoI-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(4-clorobenzil)-2,7-dimetil-lH-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(4-clorobenzil)-6-metossi-lH-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(2-(4-clorofenil)- 1 -etil- 1 H-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(4-clorobenzil)-2-(2-piridil)-lH-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(5-benzilossi-l-(4-clorobenzil)-6-metossi-lH-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(7-benzilossi-l-(4-clorobenzil)-lH-indoI-3-il)-2-oxo-acetammide; N-(5-oxo~2,5-diidrofuran-3-il)-2-(5-benzilossi-l-(4-clorobenzil)-6-metossi-lH-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(4-clorobenzil)-5,6-metilendiossilH-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(4-clorobenziI)-2-(4-clorofenil)-lH-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(4-benzilossi-l-(4-clorobenziI)-lH-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(4-clorobenzil)-7-metossi-lH-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(4-clorobenzil)-4,5,6-trimetossi-lHindol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(4-clorobenzil)-2-etil-lH-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(4-clorobenzil)-6-nitro-lH-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(6-benzilossi- 1 -(4-clorobenzil)- 1H-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(4-fluoro-l -(4-clorobenzil)- lH-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(6-fluoro- 1 -(4-clorobenzil)- lH-indol-3-il)-2-oxo-acetammide, p.f. 242-245°C; N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(4-clorobenzil)-2-(4-fluorofenil)-lH-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(4-clorobenzil)-2-(3-cloro-4-fluorofenil)-lH-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(4-clorobenzil)-2-(3,4-di fluoro fenil)-lH-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2, 5-diidrofuran-3-il)-2-(5-acetilammino-l -(4-clorobenzil)- 1H-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(4-clorobenzil)-2-metil-5-nitro-lH-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(4-clorobenzil)-2-(2-naftil)-lH-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(4-clorobenzil)-2-(4-fluorofenil)-lH-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(2-(2-acetilamminofenil)-l-(4-clorobenzil)- 1 H-indol~3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(4-clorobenzil)-7-etil-lH-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(6-acetossi-l-(4-clorobenzil)-lH-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-( 1 -(4-cIorobenzil)-4,7-dimetossi- 1 H-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(4-clorobenzil)-4-metossicarbonillH-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(4-(4-clorobenzoilammino)-l-(4-clorobenzil)-lH-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(4-clorobenzil)-6-metossicarbonillH-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(lr(4-clorobenzil)-7-metossicarbonillH-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(4-clorobenzil)-6-(2-dimetilamminoetilaminocarbonil)-lH-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(4-clorobenzil)-5-iodo-lH-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-( 1 -(n-butil)- 1 H-indol-3-il)-2-oxoacetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(4-clorobenzil)-4,5,6,7-tetrafluoro-1 H-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(4-clorobenzil)-6-trifluorometil-lHindol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(4-cloro-l-(4-clorobenzil)-6-metossilH-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-iì)-2-(6-cloro-l-(4-clorobenzil)-4-metossilH-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrof\iran-3-il)-2-(l-(4-clorobenzil)-5-fenossi-lH-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(4-clorobenzil)-2-(2-clorofenil)-lH-indol-3-il)-2-oxo-acetammide; r N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(2-bromobenzil)-lH-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-( 1 -(3-bromobenzil)- 1 H-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(4-bromobenzil)-lH-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(4-bromobenzil)-6-metil-lH-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(2-metilbenzil)-lH-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(3-metilbenzil)-lH-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(4-metilbenzil)-lH-indoI-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(4-metilbenzil)-6-fluoro-lH-indol-3-iI)-2-oxo-acetammide; N-(5~oxo-2,5-diidrofuran-3-il)-2-(l-(4-terz-butilbenzil)-lH-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(4-terz-butilbenzil)-6-metossi-lH-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-( 1 -(2,3 ,4,5,5-pentafluorobenzil)- 1 H-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(2-fluorobenzil)-lH-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(2,6-difluorobenzil)-lH-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(3-fluorobenzil)-lH-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(3~fìuorobenzil)-5-bromo-lH-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(4-fluorobenzil)-lH-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(3-trifluorometilbenzil)-6-nitro-lH-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-( 1 -(4-trìfluorometilbenzil)- 1 H-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(4-trifluorometilbenzil)-5-(metansolfoniIammino)-lH-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(2-clorobenzil)-lH-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(2,6-diclorobenzil)-lH-indol-3-il)2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(3-clorobenzil)-lH-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(2-cianobenzil)-lH-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(3-cianobenzil)-lH-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(4-cianobenzil)-6-fluoro-lH-indol-3-iI)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(4-metossicarbonilbenzil)-lH-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(4-metossicarbonilbenzil)-6-fluorolH-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(2-nitrobenzil)-lH-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(3-nitrobenzil)-lH-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(2-metossi-5-nitrobenzil)-lH-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-dudrofuran-3-il)-2-(l-(4-nitrobenzil)-lH-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(3,4-difluorobenzil)-lH-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(3,4-difluorobenzil)-6-metossi-lH-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(2,5-difluorobenzil)-lH-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(3,5-bis(trifluoroinetil)benzil)-lH-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(3,5-difluorobenzil)-lH-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(2,4-bis(trifluorometil)benzil)-lH-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(4-(metossicarbonilmetil)benzil)-lH-indol-3-iI)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(2,4-difluorobenzil)-lH-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(3,5-dimetilbenzil)-lH-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(2-trifluorometilbenzil)-lH-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(2-cloro-6-f\uorobenzil)-lH-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(3,4-diclorobenzil)-lH-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(3,4-diclorobenzil)-6-fluoro-lH-mdol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5'diidrofuran-3-il)-2-(l-(3,4-diclorobenzil)-6-metil-lH-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(2-bromo-5-fluorobenzil)-lH-indol3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(2-fluoro-3-metilbenzil)-ÌH-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(2,3-difluorobenzil)-lH-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(3-cloro-2-fluorobenzil)-lH-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(3-(metossicarbonil)benzil)-lH-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(3,5-dibromobenzil)-lH-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(4-fluoro-2-(trifluorometil)benzil)-lH-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(2,3,6-tnfluorobenzil)-lH-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(2,4,5-trifluorobenzil)-lH-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-( 1 -(2,4,6-trifluorobenzil)- 1 H-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-( 1 -(2,3 ,4-trifluorobenzil)- 1 H-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(4-trifluorometossibenzil)-lH-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(4-trifluorometossibenzil)-6-carbometossi-lH-indol-3-il)-2-oxo-acetammide; 3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-[4-fluorobenzil]-5-cloro-lH-indol-3-il)-2-oxo-acetammide; . N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(4-fluorobenzil)-5-metossi-lH-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(4-fluorobenzil)-4-metiI-lH-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(4-fluorobenzil)-5-metiMH-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(4-fluorobenzil)-6-metil-lH-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(4-fluorobenzil)-7-metil-lH-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(3-clorobenzil)-5-ciano-lH-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(4-bifenilmetil)-6-carbometossi-lH-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(4-metossibenzil)-4-cloro-lH-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(5-acetilammino- 1 -benzil- 1 H-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2J5-diidrofuran-3-il)-2-(6-fluoro-l-[(4-metilsolfonil)benzil]-lH-indo]-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-metil-6-metossi-lH-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(5-cloro-l-(4-metossibenzil)-2-metil-1 H-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(5,6-metilendiossi-l-(4-clorobenzil)-lH-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(5,6-metilendiossi-l-(4-fluorobenzil)-lH-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(4-piridilmetil)-lH-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(4-piridilmetil)-6-cloro-lH-indol-3-il)-2-oxo-acetammide; Esempio 5 In atmosfera di azoto, ad una sospensione di N-(5-oxo-2,5-diidrofuran-3-il)-l-(4-fIuorobenzil)-lH-indol-3-il)-2-oxo-acetammide (0.5 g) in metanolo anidro (20 mi) viene aggiunta una soluzione al 30% di metilato di sodio in metanolo (0.257 mi) e la miscela risultante viene riscaldata a 40°C per dare una soluzione limpida. Dopo 30’si raffredda a temperatura ambiente ed il solido separatosi viene recuperato per filtrazione sotto azoto, per dare il sale sodico della N-(5-oxo-2,5-diidrofuran-3-il)-l-(4-fluorobenzil)-lH-indol-3-il)-2-oxo-acetammide (0.15 g). p.f. > 300°C Esempio 6 Una soluzione di metilato di sodio al 30% in metanolo (0.026 mi) viene aggiunta, in atmosfera di azoto, ad una sospensione di N-(5-oxo-2,5-diidrofuran-3-il)-l-(4-clorobenzil)-lH-indol-3-il)-2-oxo-acetammide (0.056 mg) in metanolo (5ml), La sospensione viene scaldata a 40°C per dare una soluzione limpida. La soluzione viene evaporata a secchezza per dare il sale sodico della N-(5-oxo-2,5-diidrofuran-3-il)-l-(4-clorobenzil)-lH-indol-3-il)-2-oxo-acetammide sotto forma di polvere gialla solubile in acqua. Esempio 7 Valutazione degli effetti antitumorali dei composti deir invenzione I composti dell’invenzione sono stati saggiati nei confronti di quattro linee di tumori umani: HT29 (adenocarcinoma del colon), PC3 (carcinoma prostatico), H460M (carcinoma polmonare) MKN45 (carcinoma gastrico). Dopol44 ore di esposizione continua delle cellule alle sostanze, la citotossicità è stata valutata usando il saggio MTT (Mosman, T. “Rapid Colorimetrie Assay for Cellular Growth and Survival: Application to Proliferation and Cytotoxicity Assay”; J. Immunol. Methods, (1983), 65, 66; Green, L.M., “Rapid Colorimetrie Assay for Celi Viability; Application to thè Quantitation of Cytotoxic and Growth Inhibitory Lymphokines”, J. Immunol. Methods, (1984), 70, 257-268). I risultati sono stati espressi come IC50 (pg/ml), la concentrazione del composto che causa la morte del 50% della popolazione cellulare. I risultati per tre composti rappresentativi dell’invenzione sono riportati nella Tabella. I risultati mostrano che i composti dell’invenzione sono dotati di marcati effetti citotossici, in modo particolare nei confronti del tumore del colon e del polmone. fi „ Tabella - Attività citotossica di composti rappresentativi dell’inv linee tumorali umane.HT29: Colon adenocarcinoma umano PC3: Carcinoma prostatico umano H460M: Carcinoma polmonare umano MKN-45: Carcinoma gastrico umano RIVENDICAZIONI 1. Composti di formula Iin cui: RI e R2 sono indipendentemente idrogeno o un gruppo alchilico C1-C6; R3 è idrogeno, alchile C1-C4, aralchile, fenile eventualmente sostituito; R4 è idrogeno, alchile C1-C8 lineare o ramificato, cicloalchile C5-C6; aralchile; eteroaralchile; X rappresenta uno o più gruppi, fino ad un massimo di quattro, scelti indipendentemente tra idrogeno, alchile C1-C6, idrossi, alcossi Cl-C4, alogenoalcossi C1-C3, fenossi, aralcossi, acilossi C1-C3, ammino, C1-C3 alchilammino, Cl-C3-acilammino, Cl-C3-alchilsolfonilammino, aroilammino, alogeno, nitro, ciano, trifluorometile, carbossi, C1-C3 alcossicarbonile, un gruppo RaRbN(CH2)nC(=0)- essendo Ra e Rb indipendentemente idrogeno, Cl-C3-alchile o Ra ed Rb assieme all’atomo di azoto a cui sono legati formano un anello pirrolidinico, piperidinico, piperazinico o morfolinico ed essendo n = 0 o un intero da 2 a 4, solfonile, mercapto, Cl-C4-alchiltio, Cl-C4-alchilsulfonile, ClC4-alchilsolfonile, amminosolfonile, C 1 -C3-alchilamminosolfonile; Y è un atomo di ossigeno o zolfo, e loro sali farmaceuticamente accettabili.
- 2. Composti secondo la rivendicazione 1 in cui Y è un atomo di ossigeno.
- 3. Composti secondo la rivendicazione 1 o 2 in cui RI, R2 e R3 sono idrogeno o metile.
- 4. Composti secondo una delle rivendicazioni da 1 a 3 in cui R4 è preferibilmente idrogeno; metile; benzile sostituito sull’anello benzenico da uno o più gruppi scelti tra metile, fluoro, cloro, bromo, idrossi, acetossi, metossi, trifluorometossi, trifluorometile, ciano, nitro, ammino, acetilammino, metilsolfonilammino, metilmercapto, metilsulfinile, metilsolfonile, fenile; dnaftile, β-naftile; 4-piridile; 4-piridile-N ossido.
- 5. Composti secondo una delle rivendicazioni precedenti in cui X è preferibilmente idrogeno, metile, etile, fluoro, cloro, bromo, idrossi, acetossi, metossi, fenossi, trifluorometossi, trifluorometile, ciano, nitro, ammino, acetilammino, metilsolfonilammino, metilmercapto, metilsulfinile, metilsolfonile.
- 6. Composizioni farmaceutiche contenenti un composto delle rivendicazioni 1-5 in miscela con un veicolo accettabile.
- 7. Uso dei composti delle rivendicazioni 1-5 per la preparazione di medicamenti per il trattamento di tumori. N-(5-oxo-2,5-diidrofuran-3'il)-2-(l-(3-trifluorometossìbenzil)-lH-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(2-bifenilmetil)-lH-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(4-difluorometossibenzil)-lH-indoI-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(3,4-dimetossi-6-nitrobenzil)-lH-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2'(l-(3-metossibenzil)-lH-ìndol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-iI)-2-(l-(2-cloro-4-fluorobenzil)-lH-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(2,5-dicIorobenzil)-lH-indol-3-il)~ 2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(4-fluorobenzil)-4-cloro-lH-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(4-fluorobenzil)-5-cloro-lH-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-( 1 -(4-fluorobenzil)-6-cloro- 1 H-indol-3-il)~2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(4-fluorobenzil)-2-metil-lH-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(4-fluorobenzil)-5-nitro-lH-indol-3-il)-2-oxo-acetammide; N-(5-oxo-2,5-diidrofuran-3-il)-2-(l-(4-fluorobenzil)-6-fluoro-lH-indol
Priority Applications (25)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT1999MI002693A IT1315267B1 (it) | 1999-12-23 | 1999-12-23 | Derivati di 2-(1h-indol-3-il)-2-oxo-acetammidi ad attivita'antitumorale |
| CNB00817492XA CN1250542C (zh) | 1999-12-23 | 2000-12-21 | 具有抗肿瘤活性的2-(1h-吲哚-3-基)-2-氧代-乙酰胺 |
| CA002395205A CA2395205A1 (en) | 1999-12-23 | 2000-12-21 | 2-(1h-indol-3-yl)-2-oxo-acetamides with antitumor activity |
| CZ20022170A CZ20022170A3 (cs) | 1999-12-23 | 2000-12-21 | 2-(1H-indol-3-yl)-2 oxoacetamidové sloučeniny |
| KR1020027007960A KR100795533B1 (ko) | 1999-12-23 | 2000-12-21 | 항종양 활성을 갖는 2-(1h-인돌-3-일)-2-옥소-아세트아미드 |
| DE60022227T DE60022227T2 (de) | 1999-12-23 | 2000-12-21 | 2-(1h-indol-3-yl)-2-oxo-acetamide mit antitumoraler wirkung |
| BR0016553-0A BR0016553A (pt) | 1999-12-23 | 2000-12-21 | 2-(1h-indol-3-il)-2-oxo-acetamidas com atividades antitumor |
| US10/149,406 US6753342B2 (en) | 1999-12-23 | 2000-12-21 | 2-(1h-indol-3-yl)-2-oxo-acetamides with antitumor activity |
| EP00985225A EP1244652B1 (en) | 1999-12-23 | 2000-12-21 | 2-(1h-indol-3-yl)-2-oxo-acetamides with antitumor activity |
| NZ519689A NZ519689A (en) | 1999-12-23 | 2000-12-21 | 2-(1H-indol-3-yl)-2-oxo-acetamides with antitumor activity |
| PL00356541A PL356541A1 (en) | 1999-12-23 | 2000-12-21 | 2-(1h-indol-3-yl)-2-oxo-acetamides with antitumor activity |
| MXPA02006217A MXPA02006217A (es) | 1999-12-23 | 2000-12-21 | 2-(ih-indol-3-il)-2-oxo-acetamidas con actividad antitumoral. |
| JP2001549386A JP2003519140A (ja) | 1999-12-23 | 2000-12-21 | 抗腫瘍活性を有する2−(1h−インドール−3−イル)−2−オキソ−アセトアミド |
| SK896-2002A SK285682B6 (sk) | 1999-12-23 | 2000-12-21 | 2-(1H-Indol-3-yl)-2-oxo-acetamidy, farmaceutický prostriedok s ich obsahom a ich použitie |
| AT00985225T ATE302772T1 (de) | 1999-12-23 | 2000-12-21 | 2-(1h-indol-3-yl)-2-oxo-acetamide mit antitumoraler wirkung |
| TR2002/01613T TR200201613T2 (tr) | 1999-12-23 | 2000-12-21 | Antitümör tesirli 2-(1H-indol-3-il)-2-okso asetamidler |
| IL15032900A IL150329A0 (en) | 1999-12-23 | 2000-12-21 | 2-(1h-indol-3-yl)-2-oxo-acetamides with antitumor activity |
| PCT/EP2000/013068 WO2001047916A1 (en) | 1999-12-23 | 2000-12-21 | 2-(1h-indol-3-yl)-2-oxo-acetamides with antitumor activity |
| EA200200558A EA004925B1 (ru) | 1999-12-23 | 2000-12-21 | 2-(1h-индол-3-ил)-2-оксоацетамиды, обладающие противоопухолевой активностью |
| AU21704/01A AU776332B2 (en) | 1999-12-23 | 2000-12-21 | 2-(1H-indol-3-yl)-2-oxo-acetamides with antitumor activity |
| ES00985225T ES2246918T3 (es) | 1999-12-23 | 2000-12-21 | 2-(1h-indol-3-yl)-2-oxo-acetamidas con actividad antitumoral. |
| HU0203524A HUP0203524A3 (en) | 1999-12-23 | 2000-12-21 | 2-(1h-indol-3-yl)-2-oxo-acetamides with antitumor activity, their use and pharmaceutical compositions containing them |
| IL150329A IL150329A (en) | 1999-12-23 | 2002-06-19 | H1) - 2 - Indole – 3 – Eyal) - 2 - Oxo - acetamides with antisertic activity |
| NO20022976A NO323312B1 (no) | 1999-12-23 | 2002-06-20 | 2-(1H-indol-3yl)-2-okso-acetamider, sammensetninger inneholdende disse og deres anvendelse |
| ZA200204964A ZA200204964B (en) | 1999-12-23 | 2002-06-20 | 2-(1H-Indol-3-yl)-2-oxo-acetamides with antitumor activity. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT1999MI002693A IT1315267B1 (it) | 1999-12-23 | 1999-12-23 | Derivati di 2-(1h-indol-3-il)-2-oxo-acetammidi ad attivita'antitumorale |
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| Publication Number | Publication Date |
|---|---|
| ITMI992693A0 ITMI992693A0 (it) | 1999-12-23 |
| ITMI992693A1 true ITMI992693A1 (it) | 2001-06-23 |
| IT1315267B1 IT1315267B1 (it) | 2003-02-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| IT1999MI002693A IT1315267B1 (it) | 1999-12-23 | 1999-12-23 | Derivati di 2-(1h-indol-3-il)-2-oxo-acetammidi ad attivita'antitumorale |
Country Status (24)
| Country | Link |
|---|---|
| US (1) | US6753342B2 (it) |
| EP (1) | EP1244652B1 (it) |
| JP (1) | JP2003519140A (it) |
| KR (1) | KR100795533B1 (it) |
| CN (1) | CN1250542C (it) |
| AT (1) | ATE302772T1 (it) |
| AU (1) | AU776332B2 (it) |
| BR (1) | BR0016553A (it) |
| CA (1) | CA2395205A1 (it) |
| CZ (1) | CZ20022170A3 (it) |
| DE (1) | DE60022227T2 (it) |
| EA (1) | EA004925B1 (it) |
| ES (1) | ES2246918T3 (it) |
| HU (1) | HUP0203524A3 (it) |
| IL (2) | IL150329A0 (it) |
| IT (1) | IT1315267B1 (it) |
| MX (1) | MXPA02006217A (it) |
| NO (1) | NO323312B1 (it) |
| NZ (1) | NZ519689A (it) |
| PL (1) | PL356541A1 (it) |
| SK (1) | SK285682B6 (it) |
| TR (1) | TR200201613T2 (it) |
| WO (1) | WO2001047916A1 (it) |
| ZA (1) | ZA200204964B (it) |
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| JP3842043B2 (ja) | 1998-04-28 | 2006-11-08 | エルビオン アクチエンゲゼルシャフト | 新規ヒドロキシインドール、ホスホジエステラーゼ4のインヒビタとしてのその使用及びその製法 |
| IT1318641B1 (it) | 2000-07-25 | 2003-08-27 | Novuspharma Spa | Ammidi di acidi 2-(1h-indol-3-il)-2-oxo-acetici ad attivita'antitumorale. |
| DE10037310A1 (de) * | 2000-07-28 | 2002-02-07 | Asta Medica Ag | Neue Indolderivate und deren Verwendung als Arzneimittel |
| KR101087559B1 (ko) * | 2002-07-09 | 2011-11-29 | 더 존스 홉킨스 유니버시티 | 신규 화합물 및 이를 함유하는 약제학적 조성물 |
| SG146624A1 (en) | 2003-09-11 | 2008-10-30 | Kemia Inc | Cytokine inhibitors |
| CN1929834B (zh) * | 2004-03-11 | 2010-12-08 | 埃科特莱茵药品有限公司 | 吲哚-1-基乙酸衍生物 |
| US10022352B2 (en) | 2006-04-07 | 2018-07-17 | Vertex Pharmaceuticals Incorporated | Modulators of ATP-binding cassette transporters |
| USRE50453E1 (en) | 2006-04-07 | 2025-06-10 | Vertex Pharmaceuticals Incorporated | Indole derivatives as CFTR modulators |
| EP3091011B1 (en) | 2006-04-07 | 2017-12-27 | Vertex Pharmaceuticals Incorporated | Modulators of atp-binding cassette transporters |
| US7645789B2 (en) | 2006-04-07 | 2010-01-12 | Vertex Pharmaceuticals Incorporated | Indole derivatives as CFTR modulators |
| WO2008019357A2 (en) * | 2006-08-07 | 2008-02-14 | Ironwood Pharmaceuticals, Inc. | Indole compounds |
| US8563573B2 (en) | 2007-11-02 | 2013-10-22 | Vertex Pharmaceuticals Incorporated | Azaindole derivatives as CFTR modulators |
| US8802868B2 (en) | 2010-03-25 | 2014-08-12 | Vertex Pharmaceuticals Incorporated | Solid forms of (R)-1(2,2-difluorobenzo[D][1,3]dioxo1-5-yl)-N-(1-(2,3-dihydroxypropyl-6-fluoro-2-(1-hydroxy-2-methylpropan2-yl)-1H-Indol-5-yl)-Cyclopropanecarboxamide |
| SG10201505700QA (en) | 2010-04-22 | 2015-08-28 | Vertex Pharma | Process of producing cycloalkylcarboxamido-indole compounds |
| AR084433A1 (es) | 2010-12-22 | 2013-05-15 | Ironwood Pharmaceuticals Inc | Inhibidores de la faah y composiciones farmaceuticas que los contienen |
| US9056851B2 (en) | 2011-03-25 | 2015-06-16 | The Research Foundation For The State University Of New York | Thiolactone antibiotics |
| AR092857A1 (es) | 2012-07-16 | 2015-05-06 | Vertex Pharma | Composiciones farmaceuticas de (r)-1-(2,2-difluorobenzo[d][1,3]dioxol-5-il)-n-(1-(2,3-dihidroxipropil)-6-fluoro-2-(1-hidroxi-2-metilpropan-2-il)-1h-indol-5-il)ciclopropancarboxamida y administracion de las mismas |
| US10206877B2 (en) | 2014-04-15 | 2019-02-19 | Vertex Pharmaceuticals Incorporated | Pharmaceutical compositions for the treatment of cystic fibrosis transmembrane conductance regulator mediated diseases |
| CN115785079B (zh) * | 2022-11-28 | 2024-02-13 | 沈阳药科大学 | 4-(1h-吲哚-5-基)氨基呋喃-2(5h)-酮类化合物及其制备和应用 |
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| TR199800127T1 (xx) * | 1995-08-02 | 1998-04-21 | Newcastle University Ventures Limited | Benzimidazol bile�ikleri. |
| CO4970714A1 (es) * | 1997-09-05 | 2000-11-07 | Boehringer Mannheim Gmbh | Derivados ureido y tioureido de 4-amino-2(5h)-furanonas y 4-amino-2(5h) tiofenonas como agentes antitumorales |
| DE19814838C2 (de) * | 1998-04-02 | 2001-01-18 | Asta Medica Ag | Indolyl-3-glyoxylsäure-Derivate mit Antitumorwirkung |
| JP3842043B2 (ja) * | 1998-04-28 | 2006-11-08 | エルビオン アクチエンゲゼルシャフト | 新規ヒドロキシインドール、ホスホジエステラーゼ4のインヒビタとしてのその使用及びその製法 |
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1999
- 1999-12-23 IT IT1999MI002693A patent/IT1315267B1/it active
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2000
- 2000-12-21 US US10/149,406 patent/US6753342B2/en not_active Expired - Fee Related
- 2000-12-21 HU HU0203524A patent/HUP0203524A3/hu unknown
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- 2000-12-21 AT AT00985225T patent/ATE302772T1/de not_active IP Right Cessation
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- 2000-12-21 WO PCT/EP2000/013068 patent/WO2001047916A1/en not_active Ceased
- 2000-12-21 BR BR0016553-0A patent/BR0016553A/pt not_active Application Discontinuation
- 2000-12-21 ES ES00985225T patent/ES2246918T3/es not_active Expired - Lifetime
- 2000-12-21 JP JP2001549386A patent/JP2003519140A/ja active Pending
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