CN101812058B - 吲哚美辛2-芳基吗啉乙酯及其制备方法与应用 - Google Patents
吲哚美辛2-芳基吗啉乙酯及其制备方法与应用 Download PDFInfo
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- CN101812058B CN101812058B CN2010101449965A CN201010144996A CN101812058B CN 101812058 B CN101812058 B CN 101812058B CN 2010101449965 A CN2010101449965 A CN 2010101449965A CN 201010144996 A CN201010144996 A CN 201010144996A CN 101812058 B CN101812058 B CN 101812058B
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- Prior art keywords
- indomethacin
- ethyl ester
- arylmorpholine
- morpholinyl
- phenyl
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- CGIGDMFJXJATDK-UHFFFAOYSA-N indomethacin Chemical compound CC1=C(CC(O)=O)C2=CC(OC)=CC=C2N1C(=O)C1=CC=C(Cl)C=C1 CGIGDMFJXJATDK-UHFFFAOYSA-N 0.000 title claims abstract description 249
- 229960000905 indomethacin Drugs 0.000 title claims abstract description 154
- 238000002360 preparation method Methods 0.000 title claims abstract description 30
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 title description 20
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 claims abstract description 93
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims abstract description 44
- 125000004494 ethyl ester group Chemical group 0.000 claims abstract description 38
- 239000002253 acid Substances 0.000 claims abstract description 21
- 238000003756 stirring Methods 0.000 claims abstract description 21
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 claims abstract description 19
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N EtOH Substances CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 14
- 150000003839 salts Chemical class 0.000 claims abstract description 10
- YNAVUWVOSKDBBP-UHFFFAOYSA-N Morpholine Natural products C1COCCN1 YNAVUWVOSKDBBP-UHFFFAOYSA-N 0.000 claims abstract description 7
- 230000003110 anti-inflammatory effect Effects 0.000 claims abstract description 5
- 229940035676 analgesics Drugs 0.000 claims abstract description 4
- 239000000730 antalgic agent Substances 0.000 claims abstract description 4
- 238000004821 distillation Methods 0.000 claims abstract description 3
- 239000000126 substance Substances 0.000 claims abstract description 3
- 229940124599 anti-inflammatory drug Drugs 0.000 claims abstract 2
- -1 2,4-dichloro-5-fluorophenyl Chemical group 0.000 claims description 42
- 238000006243 chemical reaction Methods 0.000 claims description 37
- 150000001875 compounds Chemical class 0.000 claims description 15
- 229910052739 hydrogen Inorganic materials 0.000 claims description 4
- 125000004860 4-ethylphenyl group Chemical group [H]C1=C([H])C(=C([H])C([H])=C1*)C([H])([H])C([H])([H])[H] 0.000 claims description 2
- 239000007789 gas Substances 0.000 claims description 2
- 239000001257 hydrogen Substances 0.000 claims description 2
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims description 2
- NGNBDVOYPDDBFK-UHFFFAOYSA-N 2-[2,4-di(pentan-2-yl)phenoxy]acetyl chloride Chemical compound CCCC(C)C1=CC=C(OCC(Cl)=O)C(C(C)CCC)=C1 NGNBDVOYPDDBFK-UHFFFAOYSA-N 0.000 claims 1
- 125000000590 4-methylphenyl group Chemical group [H]C1=C([H])C(=C([H])C([H])=C1*)C([H])([H])[H] 0.000 claims 1
- 239000002260 anti-inflammatory agent Substances 0.000 claims 1
- 150000002148 esters Chemical class 0.000 claims 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 abstract description 32
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 abstract 1
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 39
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 39
- 125000002757 morpholinyl group Chemical group 0.000 description 38
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- 102100038277 Prostaglandin G/H synthase 1 Human genes 0.000 description 17
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 16
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- RIFGWPKJUGCATF-UHFFFAOYSA-N ethyl chloroformate Chemical compound CCOC(Cl)=O RIFGWPKJUGCATF-UHFFFAOYSA-N 0.000 description 10
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- 125000001041 indolyl group Chemical group 0.000 description 9
- RZEKVGVHFLEQIL-UHFFFAOYSA-N celecoxib Chemical compound C1=CC(C)=CC=C1C1=CC(C(F)(F)F)=NN1C1=CC=C(S(N)(=O)=O)C=C1 RZEKVGVHFLEQIL-UHFFFAOYSA-N 0.000 description 7
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- 238000012360 testing method Methods 0.000 description 7
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 6
- YZXBAPSDXZZRGB-DOFZRALJSA-N arachidonic acid Chemical compound CCCCC\C=C/C\C=C/C\C=C/C\C=C/CCCC(O)=O YZXBAPSDXZZRGB-DOFZRALJSA-N 0.000 description 6
- 230000000994 depressogenic effect Effects 0.000 description 6
- HIYAVKIYRIFSCZ-CYEMHPAKSA-N 5-(methylamino)-2-[[(2S,3R,5R,6S,8R,9R)-3,5,9-trimethyl-2-[(2S)-1-oxo-1-(1H-pyrrol-2-yl)propan-2-yl]-1,7-dioxaspiro[5.5]undecan-8-yl]methyl]-1,3-benzoxazole-4-carboxylic acid Chemical compound O=C([C@@H](C)[C@H]1O[C@@]2([C@@H](C[C@H]1C)C)O[C@@H]([C@@H](CC2)C)CC=1OC2=CC=C(C(=C2N=1)C(O)=O)NC)C1=CC=CN1 HIYAVKIYRIFSCZ-CYEMHPAKSA-N 0.000 description 5
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- 206010061218 Inflammation Diseases 0.000 description 3
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- KOPFEFZSAMLEHK-UHFFFAOYSA-N 1h-pyrazole-5-carboxylic acid Chemical group OC(=O)C=1C=CNN=1 KOPFEFZSAMLEHK-UHFFFAOYSA-N 0.000 description 2
- AMOYMEBHYUTMKJ-UHFFFAOYSA-N 2-(2-phenylethoxy)ethylbenzene Chemical compound C=1C=CC=CC=1CCOCCC1=CC=CC=C1 AMOYMEBHYUTMKJ-UHFFFAOYSA-N 0.000 description 2
- MCXPZZKIXDRTRT-UHFFFAOYSA-N C(C)(C)C1=CC=C(C=C1)C1CN(CCO1)CCOC(=O)Cl Chemical compound C(C)(C)C1=CC=C(C=C1)C1CN(CCO1)CCOC(=O)Cl MCXPZZKIXDRTRT-UHFFFAOYSA-N 0.000 description 2
- HIKBSAOKMBPNLY-UHFFFAOYSA-N C(CCC)OC1=CC=C(C=C1)C1CN(CCO1)CCOC(=O)Cl Chemical compound C(CCC)OC1=CC=C(C=C1)C1CN(CCO1)CCOC(=O)Cl HIKBSAOKMBPNLY-UHFFFAOYSA-N 0.000 description 2
- 0 Cc1c(CC(OCCN2C[C@](C(*)=CC=C)OCC2)=O)c2cc(OC)ccc2[n]1C(c(cc1)ccc1Cl)=C Chemical compound Cc1c(CC(OCCN2C[C@](C(*)=CC=C)OCC2)=O)c2cc(OC)ccc2[n]1C(c(cc1)ccc1Cl)=C 0.000 description 2
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 2
- ZIXBVNXNAYFGOD-UHFFFAOYSA-N NCC1=CC=C(C=C1)C1CN(CCO1)CCOC(=O)Cl Chemical compound NCC1=CC=C(C=C1)C1CN(CCO1)CCOC(=O)Cl ZIXBVNXNAYFGOD-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 102000004005 Prostaglandin-endoperoxide synthases Human genes 0.000 description 2
- 108090000459 Prostaglandin-endoperoxide synthases Proteins 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 238000004115 adherent culture Methods 0.000 description 2
- 230000004071 biological effect Effects 0.000 description 2
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- ZUOUZKKEUPVFJK-UHFFFAOYSA-N phenylbenzene Natural products C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 2
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- ZPQOPVIELGIULI-UHFFFAOYSA-N 1,3-dichlorobenzene Chemical compound ClC1=CC=CC(Cl)=C1 ZPQOPVIELGIULI-UHFFFAOYSA-N 0.000 description 1
- TZBQWRJYKSEXMV-UHFFFAOYSA-N 2-(2-phenylmorpholin-4-yl)ethanol Chemical compound C1N(CCO)CCOC1C1=CC=CC=C1 TZBQWRJYKSEXMV-UHFFFAOYSA-N 0.000 description 1
- IBLIGOLPRZRMDI-UHFFFAOYSA-N 2-(3-phenylmorpholin-4-yl)ethanol Chemical compound OCCN1C(COCC1)C1=CC=CC=C1 IBLIGOLPRZRMDI-UHFFFAOYSA-N 0.000 description 1
- BMJNBVBNWAXOKW-UHFFFAOYSA-N 2-[2-(4-butoxyphenyl)morpholin-4-yl]ethanol Chemical compound C(CCC)OC1=CC=C(C=C1)C1CN(CCO1)CCO BMJNBVBNWAXOKW-UHFFFAOYSA-N 0.000 description 1
- ZIRURXLMUDEUTQ-UHFFFAOYSA-N 2-[2-(4-ethylphenyl)morpholin-4-yl]ethanol Chemical compound C1=CC(CC)=CC=C1C1OCCN(CCO)C1 ZIRURXLMUDEUTQ-UHFFFAOYSA-N 0.000 description 1
- XRIMURMDGFQKSY-UHFFFAOYSA-N 2-[3-methyl-2-(4-phenylmethoxyphenyl)morpholin-4-yl]ethanol Chemical compound O1CCN(CCO)C(C)C1C(C=C1)=CC=C1OCC1=CC=CC=C1 XRIMURMDGFQKSY-UHFFFAOYSA-N 0.000 description 1
- AIDLAEPHWROGFI-UHFFFAOYSA-N 2-methylbenzene-1,3-dicarboxylic acid Chemical compound CC1=C(C(O)=O)C=CC=C1C(O)=O AIDLAEPHWROGFI-UHFFFAOYSA-N 0.000 description 1
- 125000004189 3,4-dichlorophenyl group Chemical group [H]C1=C([H])C(Cl)=C(Cl)C([H])=C1* 0.000 description 1
- 125000004861 4-isopropyl phenyl group Chemical group [H]C1=C([H])C(=C([H])C([H])=C1*)C([H])(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- NHMWHEQWDNOABG-UHFFFAOYSA-N C(C)(C)C1=CC=C(C=C1)C1CN(CCO1)CCO Chemical compound C(C)(C)C1=CC=C(C=C1)C1CN(CCO1)CCO NHMWHEQWDNOABG-UHFFFAOYSA-N 0.000 description 1
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Landscapes
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Indole Compounds (AREA)
Abstract
本发明公开了吲哚美辛2-芳基吗啉乙酯或其盐,其具有如下化学结构式:
Description
技术领域
本发明涉及一类新的化合物及其制备方法和应用,具体是吲哚美辛2-芳基吗啉乙酯或其盐及其制备方法和应用。
背景技术
传统的非甾体消炎药(non-steroidal anti-inflammatory drugs,NSAIDs)对COX-1和COX-2都有抑制作用,NSAIDs的有效治疗作用源于其对COX-2的抑制,而不良反应归于对COX-1的抑制。全球每天有3000万至4000万的患者在服用NSAIDs,每年由这类药物引发的不良反应或并发症高达20万例,其中病死率>20%。在临床上出现NSAIDs的不良反应。
传统的非甾体消炎药同时抑制环氧合酶-1(COX-1)和COX-2,有胃肠道副作用。与之相比,COX-2选择性抑制剂保留消炎与镇痛疗效,但是避免或减小了对胃肠道的毒副作用。COX-2和COX-1结构的差异是设计COX-2选择性抑制剂的基础,COX-2催化活性腔的体积比COX-1大25%左右,且具有一个COX-1所没有的侧面口袋,这主要是由于一个关键氨基酸残基的不同造成的。杨翠芬等描述了以吲哚美辛与卤代烃、硝基苄醇、硝基苄基氯等化合物进行缩合以及硝酸酯化反应,制备4种吲哚美辛衍生物。其消炎活性明显高于吲哚美辛(中国新药杂志,2004,13:818-820)。通过对传统非甾体消炎药进行结构改造可以提高对COX-2抑制的选择性,设计了将对吲哚美辛羧基替代为取代噻唑基的化合物(A,Bioorg.Med.Chem.Lett.2001,11,1325)。结构修饰为吲哚美辛反酯(B,Bioorg.Med.Chem.2005,13:6810-6822)和吲哚美辛苯乙酯(C,Journal of Medicinal Chemistry,2000,43:2860-2870)。此类衍生物的初步药理试验结果表明,改造后化合物对COX-2的抑制作用得以保持,而对COX-1的抑制作用消失,增强了对COX-2抑制的选择性。
本发明基于非甾体消炎药的构效关系对其羧基进行结构修饰,在吲哚美辛苯乙酯(C)结构中引入吗啉基,将吲哚美辛设计成吲哚美辛2-芳基吗啉乙酯(I)。期待化合物I和II与二苯基取代吡唑环(三环)类塞来昔布(Celecoxib)有类似的生物活性。
发明内容
本发明的目的在于提供吲哚美辛2-芳基吗啉乙酯或其盐。其特征在于其具有如下化学结构式:
其中,R选自:氢,C1~C4烷基;Ar选自:苯基,2-氯苯基,3-氯苯基,4-氯苯基,3,4-二氯苯基,3,5-二氯苯基,2,4-二氯苯基,2,6-二氯苯基,2,4-二氯-5-氟苯基,2-(三氟甲基)苯基,3-(三氟甲基)苯基,4-(三氟甲基)苯基,3,5-二(三氟甲基)苯基,2-甲基苯基,3-甲基苯基,4-甲基苯基,2-乙基苯基,3-乙基苯基,4-乙基苯基,2-甲氧基苯基,3-甲氧基苯基,4-甲氧基苯基,2-乙氧基苯基,3-乙氧基苯基,4-乙氧基苯基,3-异丙氧基苯基,4-异丙氧基苯基,3-异戊氧基苯基,4-异戊氧基苯基,3-苄氧基苯基,4-苄氧基苯基,4-甲磺酰氨基苯基,4-氨磺酰苯基,3,4-二甲氧基苯基,3,5-二甲氧基苯基,6-甲氧基-2-萘基,6-甲氧基-5-氯-2-萘基,6-甲氧基-5-溴-2-萘基。式II中HY选自:HCl,HBr,H3PO4,H2SO4,CH3SO3H,p-CH3C6H4SO3H。
本发明的目的还在于提供所述吲哚美辛2-芳基吗啉乙酯的化学名为2-甲基-1-(4-氯苯甲酰基)-5-甲氧基-吲哚-3-乙酸2-(2-芳基吗啉基)乙酯。
本发明的目的还在于提供所述吲哚美辛2-芳基吗啉乙酯(I)的制备方法,其特征在于将吲哚美辛酰氯溶解于四氢呋喃中,搅拌下滴加相当于吲哚美辛酰氯1~2倍摩尔量的2-芳基-4-羟乙基吗啉四氢呋喃溶液,反应完毕,蒸馏回收四氢呋喃,得到的油状物经柱层析得吲哚美辛2-芳基吗啉乙酯。
本发明的目的还在于提供所述吲哚美辛酰氯制备方法,其特征在于吲哚美辛酸吲哚美辛酸溶于溶剂中,加入相当于吲哚美辛酸用量1~4倍摩尔量的氯化剂,搅拌并滴加催化剂N,N-二甲基甲酰胺,回流5~8小时,减压蒸馏回收溶剂得固体,洗涤后即得吲哚美辛酰氯。
本发明的目的还在于提供所述吲哚美辛2-芳基吗啉乙酯盐(II)的制备方法,其特征在于将吲哚美辛2-芳基吗啉乙酯溶于无水乙醚或乙醇,通入干燥HCl气体或与相应酸反应,得到吲哚美辛2-芳基吗啉乙酯盐。
本发明吲哚美辛2-芳基吗啉乙酯制备方法按如下化学反应式进行:
吲哚美辛2-芳基吗啉乙酯盐的制备方法按如下化学反应式进行:
HY=HCl,HBr,H3PO4,H2SO4,CH3SO3H,p-CH3C6H4SO3H
本发明的目的还在于提供所述吲哚美辛2-芳基吗啉乙酯或其盐在制药中的应用。所述的吲哚美辛2-芳基吗啉乙酯或其盐具有抑制环氧酶-2(COX-2)活性功能,用于制备消炎镇痛药物。
本发明与现有技术相比具有如下优点:
1、本发明在吲哚美辛苯乙酯结构中引入吗啉基,将吲哚美辛改造成吲哚美辛2-芳基吗啉乙酯新化合物。
2、本发明基于非甾体消炎药的构效关系对其羧基进行结构修饰,在吗啉环上引入芳基,设计成吲哚美辛2-芳基吗啉乙酯(I或II)。化合物I或II与二苯基取代吡唑环(三环)类塞来昔布(Celecoxib)有类似的生物活性。
3、将传统的非甾体消炎药如吲哚美辛改造成为COX-2选择性抑制剂。利用Autodock程序模拟了吲哚美辛酸与COX-1和COX-2结合的构象,并和COX-2选择性抑制剂SC-558与COX-2晶体复合物的结构进行对比,发现吲哚美辛酸缺乏占据COX-2侧面口袋的结构片段,导致对两个同功酶无选择性,由此将吲哚美辛设计为吲哚美辛2-芳基吗啉乙酯,以期占据COX-2的侧面口袋,增加对COX-2的结合作用,获得对COX-2选择性抑制剂。
具体实施方式
以下实施例旨在说明本发明而不是对本发明的进一步限定。
实施例1吲哚美辛2-(2-苯基吗啉基)乙酯及其盐酸盐的制备
(1)吲哚美辛酰氯的制备
3mmol吲哚美辛,溶于8mL二氯甲烷中,加1mL草酰氯,冰浴搅拌3h,减压蒸除溶剂,分离残余的草酰氯,得黄色固体吲哚美辛酰氯。
(2)吲哚美辛2-(2-苯基吗啉基)乙酯及其盐酸盐的制备
8mL四氢呋喃溶解制得的吲哚美辛酰氯,滴加2mmol 2-苯基-4-羟乙基吗啉的四氢呋喃溶液,1mL三乙胺作缚酸剂,室温搅拌反应6h,反应完毕,过滤,滤液经减压除去溶剂四氢呋喃,用1.0mol/L氢氧化钠溶液洗去多余的吲哚美辛,乙酸乙酯萃取,得有机层,蒸除乙酸乙酯,柱层析得吲哚美辛2-(2-苯基吗啉基)乙酯。
用少量无水乙醚溶解吲哚美辛2-(2-苯基吗啉基)乙酯,通入干燥氯化氢得吲哚美辛2-(2-苯基吗啉基)乙酯盐酸盐,收率72%,熔点:184~186℃。核磁共振氢谱结构表征数据:1H NMR(CDCl3,400MHz),δ:2.35(s,3H,CH3),2.61(br,2H,C4H7NO 3,5-Ha),3.21(bm,2H,NCH2),3.35(d,J=12Hz,1H,C4H7NO 5-He),3.49(d,J=11.2Hz,1H,C4H7NO 3-He),3.80(s,2H,OCH2),3.85(s,3H,OCH3),3.93(d,J=11.2Hz,1H,C4H7NO 6-Ha),4.38(t,J=12.8Hz,1H,C4H7NO 6-He),4.68(s,2H,CH2CO),5.24(d,J=10Hz,1H,C4H7NO 2-H),6.68~7.68(m,12H,C6H5,C6H4,C6H3),13.76(s,1H,N-H)。符合结构特征。
实施例2吲哚美辛2-[2-(4-甲基苯基)吗啉基]乙酯及其盐酸盐的制备
8mL四氢呋喃溶解制得的吲哚美辛酰氯,滴加2mmol 2-(4-甲基苯基)-4-羟乙基吗啉的四氢呋喃溶液,1mL三乙胺作缚酸剂,室温搅拌反应6h,反应完毕,过滤,滤液经减压除去溶剂四氢呋喃,用1.0mol/L氢氧化钠溶液洗去多余的吲哚美辛,乙酸乙酯萃取,得有机层,蒸除乙酸乙酯,柱层析得吲哚美辛2-[2-(4-甲基苯基)吗啉基]乙酯。
用少量无水乙醚溶解吲哚美辛2-[2-(4-甲基苯基)吗啉基]乙酯,通入干燥氯化氢得吲哚美辛2-[2-(4-甲基苯基)吗啉基]乙酯盐酸盐,收率49%,熔点:170~172℃。核磁共振氢谱结构表征数据:1H NMR(CDCl3,400MHz),6:2.33(s,3H,苯环CH3),2.35(s,3H,吲哚环CH3),2.59(br,2H,C4H7NO 3,5-Ha),3.20(bm,2H,NCH2),3.34(d,J=12.4Hz,1H,C4H7NO 5-He),3.46(d,J=12Hz,1H,C4H7NO 3-He),3.80(s,2H,OCH2),3.85(s,3H,OCH3),3.91(dd,J=3.2Hz,J=3.2Hz,1H,C4H7NO 6-Ha),4.38(t,J=12.0Hz,1H,C4H7NO6-He),4.68(s,2H,CH2CO),5.19(d,J=9.2Hz,1H,C4H7NO 2-H),6.68~7.68(m,11H,C6H5,C6H4,C6H3),13.72(s,1H,N-H)。符合结构特征。
实施例3吲哚美辛2-[2-(4-乙基苯基)吗啉基]乙酯及其盐酸盐的制备
8mL四氢呋喃溶解制得的吲哚美辛酰氯,滴加2mmol 2-(4-乙基苯基)-4-羟乙基吗啉的四氢呋喃溶液,1mL三乙胺作缚酸剂,室温搅拌反应6h,反应完毕,过滤,滤液经减压除去溶剂四氢呋喃,用1.0mol/L氢氧化钠溶液洗去多余的吲哚美辛,乙酸乙酯萃取,得有机层,蒸除乙酸乙酯,柱层析得吲哚美辛2-[2-(4-乙基苯基)吗啉基]乙酯。
用少量无水乙醚溶解吲哚美辛2-[2-(4-乙基苯基)吗啉基]乙酯,通入干燥氯化氢得吲哚美辛2-[2-(4-乙基苯基)吗啉基]乙酯盐酸盐,收率22%,熔点:186~189℃。核磁共振氢谱结构表征数据:1H NMR(CDCl3,400MHz),δ:1.21(t,J=7.6Hz,3H,CH3),2.35(s,3H,吲哚2-CH3),2.58~2.68(m,4H,PhCH2,C4H7NO 3,5-Ha),3.22(bm,2H,NCH2),3.35(d,J=10.8Hz,1H,C4H7NO 5-He),3.48(d,J=10.8Hz,1H,C4H7NO 3-He),3.80(s,2H,OCH2),3.85(s,3H,OCH3),3.91(d,J=12.4Hz,1H,C4H7NO 6-Ha),4.38(t,J=12.4Hz,1H,C4H7NO 6-He),4.68(s,2H,CH2CO),5.20(d,J=10.8Hz,1H,C4H7NO 2-H),6.68~7.68(m,11H,C6H5,C6H4,C6H3),13.69(s,1H,N-H)。符合结构特征。
实施例4吲哚美辛2-[2-(4-甲氧基苯基)吗啉基]乙酯及其盐酸盐的制备
8mL四氢呋喃溶解制得的吲哚美辛酰氯,滴加2mmol 2-(4-甲氧基苯基)-4-羟乙基吗啉的四氢呋喃溶液,1mL三乙胺作缚酸剂,室温搅拌反应6h,反应完毕,过滤,滤液经减压除去溶剂四氢呋喃,用1.0mol/L氢氧化钠溶液洗去多余的吲哚美辛,乙酸乙酯萃取,得有机层,蒸除乙酸乙酯,柱层析得吲哚美辛2-[2-(4-甲氧基苯基)吗啉基]乙酯。
用少量无水乙醚溶解吲哚美辛2-[2-(4-甲氧基苯基)吗啉基]乙酯,通入干燥氯化氢得吲哚美辛2-[2-(4-甲氧基苯基)吗啉基]乙酯盐酸盐,收率47%,熔点:185~187℃。核磁共振氢谱结构表征数据:1H NMR(CDCl3,400MHz),δ:2.36(s,3H,CH3),2.59(br,2H,C4H7NO 3,5-Ha),3.21(br,2H,NCH2),3.34(d,J=11.2Hz,2H,C4H7NO 5-He),3.44(d,J=11.2Hz,2H,C4H7NO 3-He),3.80(s,2H,OCH2),3.81(s,3H,苯环OCH3),3.85(s,3H,吲哚环OCH3),3.91(d,J=11.6Hz,1H,C4H7NO 6-Ha),4.38(t,J=8.8Hz,1H,C4H7NO 6-He),4.68(s,2H,CH2CO),5.17(d,J=10.4Hz,1H,C4H7NO 2-H),6.86~7.68(m,11H,C6H4,C6H4,C6H3),13.67(s,1H,N-H)。符合结构特征。
实施例5吲哚美辛2-[2-(4-异丙氧基苯基)吗啉基]乙酯及其盐酸盐的制备
8mL四氢呋喃溶解制得的吲哚美辛酰氯,滴加2mmol 2-(4-异丙氧基苯基)-4-羟乙基吗啉的四氢呋喃溶液,1mL三乙胺作缚酸剂,室温搅拌反应6h,反应完毕,过滤,滤液经减压除去溶剂四氢呋喃,用1.0mol/L氢氧化钠溶液洗去多余的吲哚美辛,乙酸乙酯萃取,得有机层,蒸除乙酸乙酯,柱层析得吲哚美辛2-[2-(4-异丙氧基苯基)吗啉基]乙酯。
用少量无水乙醚溶解吲哚美辛2-[2-(4-异丙氧基苯基)吗啉基]乙酯,通入干燥氯化氢得吲哚美辛2-[2-(4-异丙氧基苯基)吗啉基]乙酯盐酸盐,收率57%,熔点:218~219℃。核磁共振氢谱结构表征数据:1H NMR(CDCl3,400MHz),δ:1.32(d,J=6Hz,6H,2CH3),2.37(s,3H,CH3),2.61(br,2H,C4H7NO 3,5-Ha),3.21(br,2H,NCH2),3.33(d,J=11.2Hz,2H,C4H7NO 5-He),3.44(d,J=11.6Hz,2H,C4H7NO 3-He),3.81(s,2H,OCH2),3.85(s,3H,OCH3),3.90(dd,J=2.8Hz,J=2.8Hz,1H,C4H7NO 6-Ha),4.37(t,J=12.4Hz,1H,C4H7NO 6-He),4.53(7重峰,1H,(CH3)2CHO),4.68(s,2H,CH2CO),5.15(d,J=10.8Hz,1H,C4H7NO 2-H),6.68~7.68(m,11H,C6H5,C6H4,C6H3),13.69(s,1H,N-H)。符合结构特征。
实施例6吲哚美辛2-[2-(4-丁氧基苯基)吗啉基]乙酯及其盐酸盐的制备
8mL四氢呋喃溶解制得的吲哚美辛酰氯,滴加2mmol 2-(4-丁氧基苯基)-4-羟乙基吗啉的四氢呋喃溶液,1mL三乙胺作缚酸剂,室温搅拌反应6h,反应完毕,过滤,滤液经减压除去溶剂四氢呋喃,用1.0mol/L氢氧化钠溶液洗去多余的吲哚美辛,乙酸乙酯萃取,得有机层,蒸除乙酸乙酯,柱层析得吲哚美辛2-[2-(4-丁氧基苯基)吗啉基]乙酯。
用少量无水乙醚溶解吲哚美辛2-[2-(4-丁氧基苯基)吗啉基]乙酯,通入干燥氯化氢得吲哚美辛2-[2-(4-丁氧基苯基)吗啉基]乙酯盐酸盐,收率46%,熔点:179~180℃。核磁共振氢谱结构表征数据:1HNMR(CDCl3,400MHz),δ:0.97(t,J=6.8Hz,3H,CH3(CH2)3),1.48(6重峰,2H,CH3CH2),1.75(5重峰,2H,CH3CH2CH2),2.36(s,3H,CH3),2.60(br,2H,C4H7NO 3,5-Ha),3.21(br,2H,NCH2),3.33(d,J=12.0Hz,1H,C4H7NO 5-He),3.44(d,J=11.6Hz,1H,C4H7NO 3-He),3.80(s,2H,C3H7CH2O),3.85(s,3H,吲哚环OCH3),3.92(s,2H,OCH2),3.94(d,J=10.8Hz,1H,C4H7NO 6-Ha),4.37(t,J=12.4Hz,1H,C4H7NO 6-He),4.68(s,2H,CH2CO),5.15(d,J=10.4Hz,1H,C4H7NO 2-H),6.68~7.22(m,11H,C6H4,C6H4,C6H3),13.65(s,1H,N-H)。符合结构特征。
实施例7吲哚美辛2-[2-(2,4-二氯-5-氟苯基)吗啉基]乙酯及其盐酸盐的制备
8mL四氢呋喃溶解制得的吲哚美辛酰氯,滴加2mmol 2-(2,4-二氯-5-氟苯基)-4-羟乙基吗啉的四氢呋喃溶液,1mL三乙胺作缚酸剂,室温搅拌反应6h,反应完毕,过滤,滤液经减压除去溶剂四氢呋喃,用1.0mol/L氢氧化钠溶液洗去多余的吲哚美辛,乙酸乙酯萃取,得有机层,蒸除乙酸乙酯,柱层析得吲哚美辛2-[2-(2,4-二氯-5-氟苯基)吗啉基]乙酯。
用少量无水乙醚溶解吲哚美辛2-[2-(2,4-二氯-5-氟苯基)吗啉基]乙酯,通入干燥氯化氢得吲哚美辛2-[2-(2,4-二氯-5-氟苯基)吗啉基]乙酯盐酸盐,收率43%,熔点:171~174℃。核磁共振氢谱结构表征数据:1H NMR(400MHz,CDCl3),δ:2.36(s,3H,CH3),2.59(br,2H,C4H7NO 3,5-Ha),3.21~3.37(m,4H,C4H7NO 3,5-He,NCH2),3.81(s,2H,OCH2),3.85(s,3H,苯环OCH3),3.95(d,J=12Hz,1H,C4H7NO 6-Ha),4.45(s,1H,C4H7NO 6-He),4.69(s,2H,CH2CO),5.52(d,J=8.0Hz,1H,C4H7NO 2-H),6.68~7.68(m,9H,C6H4,C6H3,C6H2),14.06(s,1H,N-H)。符合结构特征。
实施例8吲哚美辛2-[2-(2-氯-4-(4-氯苯氧基)苯基)吗啉基]乙酯及其盐酸盐的制备
8mL四氢呋喃溶解制得的吲哚美辛酰氯,滴加2mmol[2-氯-4-(4-氯苯氧基)]苯基-4-羟乙基吗啉的四氢呋喃溶液,1mL三乙胺作缚酸剂,室温搅拌反应6h,反应完毕,过滤,滤液经减压除去溶剂四氢呋喃,用1.0mol/L氢氧化钠溶液洗去多余的吲哚美辛,乙酸乙酯萃取,得有机层,蒸除乙酸乙酯,柱层析得吲哚美辛2-[2-(2-氯-4-(4-氯苯氧基)苯基)吗啉基]乙酯。
用少量无水乙醚溶解吲哚美辛2-[2-(2-氯-4-(4-氯苯氧基)苯基)吗啉基]乙酯,通入干燥氯化氢得吲哚美辛2-[2-(2-氯-4-(4-氯苯氧基)苯基)吗啉基]乙酯盐酸盐,收率33%,熔点:166~168℃。核磁共振氢谱结构表征数据:1H NMR(CDCl3,400MHz),δ:2.36(s,3H,CH3),2.51(br,2H,C4H7NO 3,5-Ha),3.21(br,2H,NCH2),3.35(d,J=10.4Hz,1H,C4H7NO 5-He),3.65(d,J=12.8Hz,1H,C4H7NO 3-He),3.81(s,2H,OCH2),3.85(s,3H,吲哚环OCH3),3.94(d,J=12.4Hz,1H,C4H7NO 6-Ha),4.45(t,J=11.6Hz,1H,C4H7NO 6-He),4.69(s,2H,CH2CO),5.53(d,J=10.4Hz,1H,C4H7NO 2-H),6.68~7.68(m,14H,C6H4,C6H4,C6H3,C6H3),14.03(s,1H,N-H)。符合结构特征。
实施例9吲哚美辛2-[2-(6-甲氧基-2-萘基)吗啉基]乙酯及其盐酸盐的制备
8mL四氢呋喃溶解制得的吲哚美辛酰氯,滴加2mmol(6-甲氧基-2-萘基)-4-羟乙基吗啉的四氢呋喃溶液,1mL三乙胺作缚酸剂,室温搅拌反应6h,反应完毕,过滤,滤液经减压除去溶剂四氢呋喃,用1.0mol/L氢氧化钠溶液洗去多余的吲哚美辛,乙酸乙酯萃取,得有机层,蒸除乙酸乙酯,柱层析得吲哚美辛2-[2-(6-甲氧基-2-萘基)吗啉基]乙酯。
用少量无水乙醚溶解吲哚美辛2-[2-(6-甲氧基-2-萘基)吗啉基]乙酯,通入干燥氯化氢得吲哚美辛2-[2-(6-甲氧基-2-萘基)吗啉基]乙酯盐酸盐,收率30%,熔点:101~102℃。核磁共振氢谱结构表征数据:1H NMR(CDCl3,500MHz),δ:2.36(s,3H,CH3),2.47(br,2H,C4H7NO3,5-Ha),2.92~3.28(m,4H,NCH2,C4H7NO 5-He,3-He),3.73(s,2H,OCH2),3.83(s,3H,吲哚环CH3O),3.91(s,3H,萘环CH3O),3.97(d,J=8Hz,1H,C4H7NO 6-Ha),4.01(br,1H,C4H7NO 6-He),4.48(s,2H,CH2CO),4.91(m,3H,OCH2,C4H7NO 2-H),6.64~7.72(m,13H,C10H6,C6H4,C6H3),13.49(s,1H,N-H)。符合结构特征。
实施例10吲哚美辛2-[2-(5-氯-6-甲氧基-2-萘基)吗啉基]乙酯及其盐酸盐的制备
8mL四氢呋喃溶解制得的吲哚美辛酰氯,滴加2mmol(5-氯-6-甲氧基-2-萘基)-4-羟乙基吗啉的四氢呋喃溶液,1mL三乙胺作缚酸剂,室温搅拌反应6h,反应完毕,过滤,滤液经减压除去溶剂四氢呋喃,用1.0mol/L氢氧化钠溶液洗去多余的吲哚美辛,乙酸乙酯萃取,得有机层,蒸除乙酸乙酯,柱层析得吲哚美辛2-[2-(5-氯-6-甲氧基-2-萘基)吗啉基]乙酯。
用少量无水乙醚溶解吲哚美辛2-[2-(5-氯-6-甲氧基-2-萘基)吗啉基]乙酯,通入干燥氯化氢得吲哚美辛2-[2-(5-氯-6-甲氧基-2-萘基)吗啉基]乙酯盐酸盐,收率45%,熔点:229~230℃。核磁共振氢谱结构表征数据:1H NMR(CDCl3,400MHz),δ:2.37(s,3H,CH3),2.66(br,2H,C4H7NO 3,5-Ha),3.31~3.55(bm,4H,NCH2,C4H7NO 5-He,3-He),3.81(s,2H,OCH2),3.85(s,3H,吲哚环CH3O),3.99(br,1H,C4H7NO 6-Ha),4.05(s,3H,萘环CH3O),4.46(br,1H,C4H7NO 6-He),4.71(br,2H,CH2CO),5.44(br,1H,C4H7NO 2-H),6.68~8.22(m,12H,C10H5,C6H4,C6H3),13.78(s,1H,N-H)。符合结构特征。
实施例11吲哚美辛2-[2-(5-溴-6-甲氧基-2-萘基)吗啉基]乙酯及其盐酸盐的制备
8mL四氢呋喃溶解制得的吲哚美辛酰氯,滴加2mmol(5-溴-6-甲氧基-2-萘基)-4-羟乙基吗啉的四氢呋喃溶液,1mL三乙胺作缚酸剂,室温搅拌反应6h,反应完毕,过滤,滤液经减压除去溶剂四氢呋喃,用1.0mol/L氢氧化钠溶液洗去多余的吲哚美辛,乙酸乙酯萃取,得有机层,蒸除乙酸乙酯,柱层析得吲哚美辛2-[2-(5-溴-6-甲氧基-2-萘基)吗啉基]乙酯。
用少量无水乙醚溶解吲哚美辛2-[2-(5-溴-6-甲氧基-2-萘基)吗啉基]乙酯,通入干燥氯化氢得吲哚美辛2-[2-(5-溴-6-甲氧基-2-萘基)吗啉基]乙酯盐酸盐,收率33%,熔点:225~227℃。核磁共振氢谱结构表征数据:1H NMR(CDCl3,400MHz),δ:2.36(s,3H,CH3),2.66(br,2H,C4H7NO 3,5-Ha),3.28~3.56(m,4H,NCH2,C4H7NO 5-He,3-He),3.81(s,2H,OCH2),3.85(s,3H,吲哚环CH3O),3.98(br,1H,C4H7NO 6-Ha),4.04(s,3H,萘环CH3O),4.46(br,1H,C4H7NO 6-He),4.71(br,2H,CH2CO),5.43(br,1H,C4H7NO 2-H),6.68~8.22(m,12H,C10H5,C6H4,C6H3),13.80(s,1H,N-H)。符合结构特征。
实施例12吲哚美辛2-[2-(6-甲氧基-2-萘基)吗啉基]乙酯硫酸盐的制备
吲哚美辛2-[2-(6-甲氧基-2-萘基)吗啉基]乙酯溶于乙醇中,加入硫酸搅拌反应,经后处理得吲哚美辛2-[2-(6-甲氧基-2-萘基)吗啉基]乙酯硫酸盐。
实施例13吲哚美辛2-[2-(6-甲氧基-2-萘基)吗啉基]乙酯磷酸盐的制备
吲哚美辛2-[2-(6-甲氧基-2-萘基)吗啉基]乙酯溶于乙醇中,加入磷酸搅拌反应,经后处理得吲哚美辛2-[2-(6-甲氧基-2-萘基)吗啉基]乙酯磷酸盐。
实施例14吲哚美辛2-[2-(6-甲氧基-2-萘基)吗啉基]乙酯对甲苯磺酸盐的制备
吲哚美辛2-[2-(6-甲氧基-2-萘基)吗啉基]乙酯溶于乙醇中,加入对甲苯磺酸搅拌反应,经后处理得吲哚美辛2-[2-(6-甲氧基-2-萘基)吗啉基]乙酯对甲苯磺酸盐。
实施例15吲哚美辛2-[3-甲基-2-(6-甲氧基-2-萘基)吗啉基]乙酯及其盐酸盐的制备
8mL四氢呋喃溶解制得的吲哚美辛酰氯,滴加2mmol(3-甲基-6-甲氧基-2-萘基)-4-羟乙基吗啉的四氢呋喃溶液,1mL三乙胺作缚酸剂,室温搅拌反应6h,反应完毕,过滤,滤液经减压除去溶剂四氢呋喃,用1.0mol/L氢氧化钠溶液洗去多余的吲哚美辛,乙酸乙酯萃取,得有机层,蒸除乙酸乙酯,柱层析得吲哚美辛2-[3-甲基-2-(6-甲氧基-2-萘基)吗啉基]乙酯。
用少量无水乙醚溶解吲哚美辛2-[3-甲基-2-(6-甲氧基-2-萘基)吗啉基]乙酯,通入干燥氯化氢得吲哚美辛2-[3-甲基-2-(6-甲氧基-2-萘基)吗啉基]乙酯盐酸盐,收率22%,熔点:145~147℃。核磁共振氢谱结构表征数据:1H NMR(CDCl3,400MHz),δ:1.27(d,J=6.4Hz,3H,CH3),2.44(s,3H,CH3),2.72(br,1H,C4H7NO 3-H),3.08(br,2H,NCH2),3.31(d,J=11.2Hz,1H,C4H7NO 5-Ha),3.67(br,1H,C4H7NO 5-He),3.77(dd,J=10.4,J=2.0Hz,1H,C4H7NO 6-Ha),3.81(s,2H,OCH2),3.86(s,3H,吲哚环CH3O),3.93(s,3H,萘环CH3O),4.46(br,1H,C4H7NO 6-He),4.66(s,2H,CH2CO),5.01(br,2H,C4H7NO 2-H),6.69~7.75(m,13H,C10H6,C6H4,C6H3),13.47(s,1H,N-H)。符合结构特征。
实施例16吲哚美辛2-[3-甲基-2-(4-苄氧基苯基)吗啉基]乙酯及其盐酸盐的制备
8mL四氢呋喃溶解制得的吲哚美辛酰氯,滴加2mmol 3-甲基-2-(4-苄氧基苯基)-4-羟乙基吗啉的四氢呋喃溶液,1mL三乙胺作缚酸剂,室温搅拌反应6h,反应完毕,过滤,滤液经减压除去溶剂四氢呋喃,用1.0mol/L氢氧化钠溶液洗去多余的吲哚美辛,乙酸乙酯萃取,得有机层,蒸除乙酸乙酯,柱层析得吲哚美辛2-[3-甲基-2-(4-苄氧基苯基)吗啉基]乙酯。
用少量无水乙醚溶解吲哚美辛2-[3-甲基-2-(4-苄氧基苯基)吗啉基]乙酯,通入干燥氯化氢得吲哚美辛2-[3-甲基-2-(4-苄氧基苯基)吗啉基]乙酯盐酸盐,收率17%,熔点:122~125℃。核磁共振氢谱结构表征数据:1H NMR(CDCl3,400MHz),δ:1.21(br,3H,CH3),2.43(s,3H,CH3),2.68(br,1H,C4H7NO 3-H),2.95(br,2H,NCH2),3.15(br,1H,C4H7NO 5-Ha),3.70(br,1H,C4H7NO 5-He),3.83~3.86(br,5H,OCH2,吲哚环CH3O),3.93(s,1H,C4H7NO6-Ha),4.41(br,1H,C4H7NO 6-He),4.65(s,2H,CH2CO),4.82(br,1H,C4H7NO 2-H),5.06(s,2H,PhCH2O),6.68~7.68(m,16H,C6H5,C6H4,C6H4,C6H3),13.37(s,1H,N-H)。符合结构特征。
实施例17吲哚美辛2-芳基吗啉乙酯及其盐酸盐对人环氧酶-2(COX-2)抑制活性
本发明优选化合物吲哚美辛2-[2-(4-甲基苯基)吗啉基]乙酯盐酸盐、吲哚美辛2-[2-(4-乙基苯基)吗啉基]乙酯盐酸盐、吲哚美辛2-[2-(4-甲氧基苯基)吗啉基]乙酯盐酸盐、吲哚美辛2-[2-(4-异丙基苯基)吗啉基]乙酯盐酸盐、吲哚美辛2-[2-(4-丁氧基苯基)吗啉基]乙酯盐酸盐和吲哚美辛2-[2-(2,4-二氯-5-氟苯基)吗啉基]乙酯盐酸盐的环加氧酶-1(COX-1)和人环氧酶-2(COX-2)模型活性抑制试验如下:
1)实验目的:环加氧酶通过代谢花生四烯酸(AA)生成前列腺素和氧自由基(ROS)。环加氧酶(COX-2),是炎症发生发展的关键因子之一。而环加氧酶-1(COX-1)则主要调节生理功能。COX-2选择性抑制剂在消炎的同时,避免干扰生理功能,是消炎治疗的很好的靶点,筛选它的抑制剂具有明显的应用情景。
2)测试原理:COX-2代谢花生四烯酸,生成前列腺素和ROS。测量ROS荧光或PGE2生成,以确定酶活性。
3)COX-1和COX-2活性检测
A.小鼠腹腔巨噬细胞的获得与培养
C57BL/6J小鼠腹腔注射巯基乙醇酸钠培养基(提前1个月以上配制,灭菌后室温避光保存)1ml/只。注射后4天将小鼠断头处死,放尽血液,于75%乙醇中浸泡1~2min。腹腔注射D-Hanks生理缓冲液6~8ml,充分按摩后缓缓吸出腹腔中液体,再重复冲洗腹腔1次,合并腹腔洗液。1000r/min离心5min,倾去上清。加入1~2ml Tris-NH4Cl溶液,轻轻摇动待破红细胞后立即用等体积的D-Hanks生理缓冲液稀释1000r/min离心5min,倾去上清,再以D-Hanks生理缓冲液洗涤2次,细胞用RPMI 1640培养基重悬。用台盼蓝拒斥法测定细胞活性,Giemsa染色法检查所得细胞中巨噬细胞百分率大于95%。
B.COX-1活性检测
将腹腔巨噬细胞按1×109cells/L浓度接种于48孔板中。37℃,5%CO2贴壁培养2h。倾去培养基,用D-Hanks生理缓冲液冲洗2次,除去未贴壁细胞,每孔加入含有5%NCS的RPMI1640培养基按下列分组进行处理:①DMSO阴性对照组(control);②A23187组(终浓度1μmol.L-1);③A23187+I和II组(5μmol.L-1);④A23187+Celecoxib组(1μmol.L-1)。每组3复孔,并重复3次独立实验。将上述接种于48孔板中的小鼠腹腔巨噬细胞与药物或溶剂37℃,5%CO2温孵1h,再加入A23187终浓度为1μmol.L-1,37℃,5%CO2温孵1h,收集上清,用125I标记的6-keto-PGF1α放免试剂盒测定细胞培养上清液中6-keto-PGF1α含量。按试剂盒提供方法制作标准曲线,根据待测样品测定值从标准曲线中计算出相应浓度。
C.COX-2活性检测
将腹腔巨噬细胞按1×109cells/L浓度接种于48孔板中。37℃,5%CO2贴壁培养2h。倾去培养基,用D-Hanks生理缓冲液冲洗2次,除去未贴壁细胞,每孔加入含有5%NCS的RPMI1640培养基按下列分组进行处理:①DMSO阴性对照组(control);②LPS组(终浓度1mg/L);③LPS+I和II组(10μmol.L-1);④LPS+celecoxib组(1μmol.L-1)。将上述接种于48孔板中的小鼠腹腔巨噬细胞与药物或溶剂37℃,5%CO2温孵1h,再加入LPS终浓度为1mg/L,37℃,5%CO2温孵9h,收集上清,用3H标记的PGE2放免试剂盒测定细胞培养上清液中PGE2的含量。
4)试验结果
A.腹腔巨噬细胞抑制率的计算:
根据公式
抑制率(%)=(Cs-Ct)/(Cs-Cc)×100%
计算化合物对COX-2和COX-1活性的抑制作用。其中Cs、Ct和Cc分别表示LPS或A23187组、待测化合物组和对照组细胞培养上清中PGE2或6-keto-PGF1α的浓度。
B.IC50值计算
试样浓度对数值与抑制率线性回归,利用软件计算试样对腹腔巨噬细胞半数抑制浓度IC50值。优选化合物吲哚美辛2-芳基吗啉乙酯或其盐对于COX-2和COX-1的IC50列入表1。
表1本发明的优选化合物对COX-2酶和COX-1酶的IC50
活性测试结果显示,本发明的化合物I或II具有良好的人环氧酶-2(COX-2)抑制活性。其中,吲哚美辛2-[2-(4-乙基苯基)吗啉基]乙酯盐酸盐和吲哚美辛2-[2-(2,4-二氯-5-氟苯基)吗啉基]乙酯盐酸盐的活性较塞来昔布强。式I或式II所示的化合物用于制备消炎镇痛药物,无毒副作用。
Claims (3)
2.权利要求1所述吲哚美辛2-芳基吗啉乙酯或其盐的制备方法,其特征在于吲哚美辛酰氯溶解于四氢呋喃中,搅拌下滴加4-羟乙基-2-芳基吗啉四氢呋喃溶液,反应完毕,蒸馏回收四氢呋喃,得到吲哚美辛2-芳基吗啉乙酯(I);吲哚美辛2-芳基吗啉乙酯溶于无水乙醚或乙醇中,通入干燥HCl气体或与酸HY反应,得到吲哚美辛2-芳基吗啉乙酯盐(II):
其中,Ar、R和HY的定义如权利要求1所述。
3.权利要求1所述的吲哚美辛2-芳基吗啉基乙酯或其盐的应用,其特征在于,式I或式II所示化合物作为制备消炎镇痛药物的应用。
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