CA2508233A1 - New substituted imidazo-pyridinones and imidazo-pyridazinones, the preparation thereof and their use as pharmaceutical compositions - Google Patents
New substituted imidazo-pyridinones and imidazo-pyridazinones, the preparation thereof and their use as pharmaceutical compositions Download PDFInfo
- Publication number
- CA2508233A1 CA2508233A1 CA002508233A CA2508233A CA2508233A1 CA 2508233 A1 CA2508233 A1 CA 2508233A1 CA 002508233 A CA002508233 A CA 002508233A CA 2508233 A CA2508233 A CA 2508233A CA 2508233 A1 CA2508233 A1 CA 2508233A1
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- Prior art keywords
- group
- amino
- alkyl
- methyl
- imidazo
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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- 239000008194 pharmaceutical composition Substances 0.000 title claims 4
- JXXWJMUPNZDILL-UHFFFAOYSA-N imidazo[4,5-b]pyridin-2-one Chemical class C1=CC=NC2=NC(=O)N=C21 JXXWJMUPNZDILL-UHFFFAOYSA-N 0.000 title abstract 2
- HCYYBBFWNWACCL-UHFFFAOYSA-N imidazo[4,5-c]pyridazin-3-one Chemical class N1=NC(=O)C=C2N=CN=C21 HCYYBBFWNWACCL-UHFFFAOYSA-N 0.000 title abstract 2
- 150000003839 salts Chemical class 0.000 claims abstract 12
- 239000000203 mixture Substances 0.000 claims abstract 5
- -1 pyrrolylmethyl Chemical group 0.000 claims 21
- 125000006273 (C1-C3) alkyl group Chemical group 0.000 claims 15
- 150000001875 compounds Chemical class 0.000 claims 14
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims 10
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims 8
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims 7
- HBAQYPYDRFILMT-UHFFFAOYSA-N 8-[3-(1-cyclopropylpyrazol-4-yl)-1H-pyrazolo[4,3-d]pyrimidin-5-yl]-3-methyl-3,8-diazabicyclo[3.2.1]octan-2-one Chemical class C1(CC1)N1N=CC(=C1)C1=NNC2=C1N=C(N=C2)N1C2C(N(CC1CC2)C)=O HBAQYPYDRFILMT-UHFFFAOYSA-N 0.000 claims 5
- 229910052801 chlorine Inorganic materials 0.000 claims 5
- 125000004433 nitrogen atom Chemical group N* 0.000 claims 5
- 125000004432 carbon atom Chemical group C* 0.000 claims 4
- 239000000460 chlorine Substances 0.000 claims 4
- 125000004093 cyano group Chemical group *C#N 0.000 claims 4
- 125000001072 heteroaryl group Chemical group 0.000 claims 4
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 claims 4
- 125000006705 (C5-C7) cycloalkyl group Chemical group 0.000 claims 3
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical group [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 claims 3
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 claims 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical group [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims 3
- 125000003277 amino group Chemical group 0.000 claims 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims 3
- 125000001153 fluoro group Chemical group F* 0.000 claims 3
- 125000001841 imino group Chemical group [H]N=* 0.000 claims 3
- 125000002950 monocyclic group Chemical group 0.000 claims 3
- 229910052757 nitrogen Inorganic materials 0.000 claims 3
- 239000001301 oxygen Substances 0.000 claims 3
- 229910052760 oxygen Inorganic materials 0.000 claims 3
- 125000004076 pyridyl group Chemical group 0.000 claims 3
- 125000006526 (C1-C2) alkyl group Chemical group 0.000 claims 2
- 125000006559 (C1-C3) alkylamino group Chemical group 0.000 claims 2
- 125000006597 (C1-C3) alkylcarbonylamino group Chemical group 0.000 claims 2
- 125000006602 (C1-C3) alkylsulfonylamino group Chemical group 0.000 claims 2
- 125000006698 (C1-C3) dialkylamino group Chemical group 0.000 claims 2
- 125000004169 (C1-C6) alkyl group Chemical group 0.000 claims 2
- DFITYIQEMIOJGR-UHFFFAOYSA-N 2-(3-aminopiperidin-1-yl)-3-but-2-ynyl-5-(naphthalen-1-ylmethyl)imidazo[4,5-d]pyridazin-4-one Chemical compound N=1C=2C=NN(CC=3C4=CC=CC=C4C=CC=3)C(=O)C=2N(CC#CC)C=1N1CCCC(N)C1 DFITYIQEMIOJGR-UHFFFAOYSA-N 0.000 claims 2
- AWBRGPKFAOVXNJ-UHFFFAOYSA-N 2-(3-aminopiperidin-1-yl)-3-but-2-ynyl-5-(quinazolin-2-ylmethyl)imidazo[4,5-d]pyridazin-4-one Chemical compound N=1C=2C=NN(CC=3N=C4C=CC=CC4=CN=3)C(=O)C=2N(CC#CC)C=1N1CCCC(N)C1 AWBRGPKFAOVXNJ-UHFFFAOYSA-N 0.000 claims 2
- VSVOOAUXPJNGGB-UHFFFAOYSA-N 2-(3-aminopiperidin-1-yl)-3-but-2-ynyl-5-(quinoxalin-6-ylmethyl)imidazo[4,5-d]pyridazin-4-one Chemical compound N=1C=2C=NN(CC=3C=C4N=CC=NC4=CC=3)C(=O)C=2N(CC#CC)C=1N1CCCC(N)C1 VSVOOAUXPJNGGB-UHFFFAOYSA-N 0.000 claims 2
- LKONEWRPHKAEAX-OAQYLSRUSA-N 2-[(3r)-3-aminopiperidin-1-yl]-3-[(2-chlorophenyl)methyl]-5-[(3-methylisoquinolin-1-yl)methyl]imidazo[4,5-d]pyridazin-4-one Chemical compound N=1C(C)=CC2=CC=CC=C2C=1CN(C(C=1N2CC=3C(=CC=CC=3)Cl)=O)N=CC=1N=C2N1CCC[C@@H](N)C1 LKONEWRPHKAEAX-OAQYLSRUSA-N 0.000 claims 2
- KFTCLRWRFNRDIO-MRXNPFEDSA-N 2-[(3r)-3-aminopiperidin-1-yl]-3-but-2-ynyl-5-(1,5-naphthyridin-2-ylmethyl)imidazo[4,5-d]pyridazin-4-one Chemical compound N=1C=2C=NN(CC=3N=C4C=CC=NC4=CC=3)C(=O)C=2N(CC#CC)C=1N1CCC[C@@H](N)C1 KFTCLRWRFNRDIO-MRXNPFEDSA-N 0.000 claims 2
- TXXFMWDTLYERIF-LJQANCHMSA-N 2-[(3r)-3-aminopiperidin-1-yl]-3-but-2-ynyl-5-[(2,3-dimethylquinoxalin-6-yl)methyl]imidazo[4,5-d]pyridazin-4-one Chemical compound N=1C=2C=NN(CC=3C=C4N=C(C)C(C)=NC4=CC=3)C(=O)C=2N(CC#CC)C=1N1CCC[C@@H](N)C1 TXXFMWDTLYERIF-LJQANCHMSA-N 0.000 claims 2
- XEHHGZMFZJRETB-QGZVFWFLSA-N 2-[(3r)-3-aminopiperidin-1-yl]-3-but-2-ynyl-5-[(4-methylphthalazin-1-yl)methyl]imidazo[4,5-d]pyridazin-4-one Chemical compound N=1C=2C=NN(CC=3C4=CC=CC=C4C(C)=NN=3)C(=O)C=2N(CC#CC)C=1N1CCC[C@@H](N)C1 XEHHGZMFZJRETB-QGZVFWFLSA-N 0.000 claims 2
- HAKJUVBTRWXTRU-QGZVFWFLSA-N 2-[(3r)-3-aminopiperidin-1-yl]-3-but-2-ynyl-5-[(4-methylquinazolin-2-yl)methyl]imidazo[4,5-d]pyridazin-4-one Chemical compound N=1C=2C=NN(CC=3N=C4C=CC=CC4=C(C)N=3)C(=O)C=2N(CC#CC)C=1N1CCC[C@@H](N)C1 HAKJUVBTRWXTRU-QGZVFWFLSA-N 0.000 claims 2
- YPQSCCACAFMIAM-QGZVFWFLSA-N 2-[(3r)-3-aminopiperidin-1-yl]-3-but-2-ynyl-5-[(5-methylimidazo[1,2-a]pyridin-2-yl)methyl]imidazo[4,5-d]pyridazin-4-one Chemical compound N=1C=2C=NN(CC=3N=C4C=CC=C(C)N4C=3)C(=O)C=2N(CC#CC)C=1N1CCC[C@@H](N)C1 YPQSCCACAFMIAM-QGZVFWFLSA-N 0.000 claims 2
- LTYFBZKPWVJWBJ-OAHLLOKOSA-N 2-[(3r)-3-aminopiperidin-1-yl]-5-(2,1,3-benzothiadiazol-5-ylmethyl)-3-but-2-ynylimidazo[4,5-d]pyridazin-4-one Chemical compound N=1C=2C=NN(CC3=CC4=NSN=C4C=C3)C(=O)C=2N(CC#CC)C=1N1CCC[C@@H](N)C1 LTYFBZKPWVJWBJ-OAHLLOKOSA-N 0.000 claims 2
- DCAKSIWUXGMRFT-GOSISDBHSA-N 2-[(3r)-3-aminopiperidin-1-yl]-5-[(4-bromonaphthalen-1-yl)methyl]-3-but-2-ynylimidazo[4,5-d]pyridazin-4-one Chemical compound N=1C=2C=NN(CC=3C4=CC=CC=C4C(Br)=CC=3)C(=O)C=2N(CC#CC)C=1N1CCC[C@@H](N)C1 DCAKSIWUXGMRFT-GOSISDBHSA-N 0.000 claims 2
- MUFOTJYSFCKGKD-HXUWFJFHSA-N 4-[[2-[(3r)-3-aminopiperidin-1-yl]-3-but-2-ynyl-4-oxoimidazo[4,5-d]pyridazin-5-yl]methyl]naphthalene-1-carbonitrile Chemical compound N=1C=2C=NN(CC=3C4=CC=CC=C4C(C#N)=CC=3)C(=O)C=2N(CC#CC)C=1N1CCC[C@@H](N)C1 MUFOTJYSFCKGKD-HXUWFJFHSA-N 0.000 claims 2
- SZRYBSWHNSZXGN-LJQANCHMSA-N 6-[[2-[(3r)-3-aminopiperidin-1-yl]-3-but-2-ynyl-4-oxoimidazo[4,5-d]pyridazin-5-yl]methyl]-1-methylquinolin-2-one Chemical compound N=1C=2C=NN(CC=3C=C4C=CC(=O)N(C)C4=CC=3)C(=O)C=2N(CC#CC)C=1N1CCC[C@@H](N)C1 SZRYBSWHNSZXGN-LJQANCHMSA-N 0.000 claims 2
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 claims 2
- 125000003545 alkoxy group Chemical group 0.000 claims 2
- 125000000217 alkyl group Chemical group 0.000 claims 2
- 125000003118 aryl group Chemical group 0.000 claims 2
- 125000004429 atom Chemical group 0.000 claims 2
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 claims 2
- 125000003917 carbamoyl group Chemical group [H]N([H])C(*)=O 0.000 claims 2
- 239000000969 carrier Substances 0.000 claims 2
- 125000006842 cycloalkyleneimino group Chemical group 0.000 claims 2
- 239000003085 diluting agent Substances 0.000 claims 2
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims 2
- 229910052731 fluorine Inorganic materials 0.000 claims 2
- 239000011737 fluorine Substances 0.000 claims 2
- 125000005843 halogen group Chemical group 0.000 claims 2
- 125000000623 heterocyclic group Chemical group 0.000 claims 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 claims 2
- 150000007522 mineralic acids Chemical class 0.000 claims 2
- 150000007524 organic acids Chemical class 0.000 claims 2
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 claims 2
- 125000006239 protecting group Chemical group 0.000 claims 2
- 125000005301 thienylmethyl group Chemical group [H]C1=C([H])C([H])=C(S1)C([H])([H])* 0.000 claims 2
- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 claims 2
- 125000006570 (C5-C6) heteroaryl group Chemical group 0.000 claims 1
- IZISCGFIOLCUSQ-UHFFFAOYSA-N 2-(3-aminopiperidin-1-yl)-3-but-2-ynyl-5-[(3-methylisoquinolin-1-yl)methyl]imidazo[4,5-d]pyridazin-4-one Chemical compound N=1C=2C=NN(CC=3C4=CC=CC=C4C=C(C)N=3)C(=O)C=2N(CC#CC)C=1N1CCCC(N)C1 IZISCGFIOLCUSQ-UHFFFAOYSA-N 0.000 claims 1
- IXVARICGYAWRCV-HXUWFJFHSA-N 2-[(3r)-3-aminopiperidin-1-yl]-3-but-2-ynyl-5-[(2,3,8-trimethylquinoxalin-6-yl)methyl]imidazo[4,5-d]pyridazin-4-one Chemical compound N=1C=2C=NN(CC=3C=C4N=C(C)C(C)=NC4=C(C)C=3)C(=O)C=2N(CC#CC)C=1N1CCC[C@@H](N)C1 IXVARICGYAWRCV-HXUWFJFHSA-N 0.000 claims 1
- 125000006163 5-membered heteroaryl group Chemical group 0.000 claims 1
- 125000006164 6-membered heteroaryl group Chemical group 0.000 claims 1
- 102000055006 Calcitonin Human genes 0.000 claims 1
- 108060001064 Calcitonin Proteins 0.000 claims 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims 1
- 208000008589 Obesity Diseases 0.000 claims 1
- 208000001132 Osteoporosis Diseases 0.000 claims 1
- 206010067584 Type 1 diabetes mellitus Diseases 0.000 claims 1
- 125000003282 alkyl amino group Chemical group 0.000 claims 1
- 150000001412 amines Chemical class 0.000 claims 1
- 206010003246 arthritis Diseases 0.000 claims 1
- 125000002619 bicyclic group Chemical group 0.000 claims 1
- 125000001246 bromo group Chemical group Br* 0.000 claims 1
- BBBFJLBPOGFECG-VJVYQDLKSA-N calcitonin Chemical compound N([C@H](C(=O)N[C@@H](CC(C)C)C(=O)NCC(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CO)C(=O)N[C@@H](CCC(N)=O)C(=O)N[C@@H](CCC(O)=O)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CC=1NC=NC=1)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CCC(N)=O)C(=O)N[C@@H]([C@@H](C)O)C(=O)N[C@@H](CC=1C=CC(O)=CC=1)C(=O)N1[C@@H](CCC1)C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H]([C@@H](C)O)C(=O)N[C@@H](CC(N)=O)C(=O)N[C@@H]([C@@H](C)O)C(=O)NCC(=O)N[C@@H](CO)C(=O)NCC(=O)N[C@@H]([C@@H](C)O)C(=O)N1[C@@H](CCC1)C(N)=O)C(C)C)C(=O)[C@@H]1CSSC[C@H](N)C(=O)N[C@@H](CO)C(=O)N[C@@H](CC(N)=O)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CO)C(=O)N[C@@H]([C@@H](C)O)C(=O)N1 BBBFJLBPOGFECG-VJVYQDLKSA-N 0.000 claims 1
- 229960004015 calcitonin Drugs 0.000 claims 1
- 150000001721 carbon Chemical group 0.000 claims 1
- 229910052799 carbon Inorganic materials 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 claims 1
- 125000001309 chloro group Chemical group Cl* 0.000 claims 1
- 125000004186 cyclopropylmethyl group Chemical group [H]C([H])(*)C1([H])C([H])([H])C1([H])[H] 0.000 claims 1
- 125000002883 imidazolyl group Chemical group 0.000 claims 1
- 125000001786 isothiazolyl group Chemical group 0.000 claims 1
- 125000000842 isoxazolyl group Chemical group 0.000 claims 1
- 125000001434 methanylylidene group Chemical group [H]C#[*] 0.000 claims 1
- 238000000034 method Methods 0.000 claims 1
- 125000001570 methylene group Chemical group [H]C([H])([*:1])[*:2] 0.000 claims 1
- 125000004573 morpholin-4-yl group Chemical group N1(CCOCC1)* 0.000 claims 1
- 235000020824 obesity Nutrition 0.000 claims 1
- 235000005985 organic acids Nutrition 0.000 claims 1
- 125000001715 oxadiazolyl group Chemical group 0.000 claims 1
- 125000002971 oxazolyl group Chemical group 0.000 claims 1
- 125000004194 piperazin-1-yl group Chemical group [H]N1C([H])([H])C([H])([H])N(*)C([H])([H])C1([H])[H] 0.000 claims 1
- 125000003373 pyrazinyl group Chemical group 0.000 claims 1
- 125000003226 pyrazolyl group Chemical group 0.000 claims 1
- 125000002098 pyridazinyl group Chemical group 0.000 claims 1
- 125000006513 pyridinyl methyl group Chemical group 0.000 claims 1
- 125000000714 pyrimidinyl group Chemical group 0.000 claims 1
- 239000000126 substance Substances 0.000 claims 1
- 125000001113 thiadiazolyl group Chemical group 0.000 claims 1
- 125000000335 thiazolyl group Chemical group 0.000 claims 1
- 125000005302 thiazolylmethyl group Chemical group [H]C1=C([H])N=C(S1)C([H])([H])* 0.000 claims 1
- 125000001544 thienyl group Chemical group 0.000 claims 1
- 238000002054 transplantation Methods 0.000 claims 1
- 208000001072 type 2 diabetes mellitus Diseases 0.000 claims 1
- 102000016622 Dipeptidyl Peptidase 4 Human genes 0.000 abstract 2
- 101000930822 Giardia intestinalis Dipeptidyl-peptidase 4 Proteins 0.000 abstract 2
- 230000000694 effects Effects 0.000 abstract 1
- 230000002401 inhibitory effect Effects 0.000 abstract 1
- 230000000144 pharmacologic effect Effects 0.000 abstract 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D471/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00
- C07D471/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00 in which the condensed system contains two hetero rings
- C07D471/04—Ortho-condensed systems
-
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- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
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- A61K9/0095—Drinks; Beverages; Syrups; Compositions for reconstitution thereof, e.g. powders or tablets to be dispersed in a glass of water; Veterinary drenches
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Abstract
The present invention relates to substituted imidazo-pyridinones and imidazo--pyridazinones of general formula (see formula I) wherein R1 to R4 are defined as in claim 1, the tautomers, the stereoisomers, the mixtures thereof and the salts thereof, which have valuable pharmacological properties, particularly an inhibitory effect on the activity of the enzyme dipeptidylpeptidase-IV (DPP-IV).
Claims (10)
1. Compounds of general formula wherein X denotes a nitrogen atom or a group of formula C-R5, while R5 denotes a hydrogen atom or a methyl group, R1 denotes a 5- to 7-membered cycloalkyleneimino group which is substituted by an amino group in the carbon skeleton and may be substituted by a C1-3-alkyl group, a 6- to 7-membered cycloalkyleneimino group wherein the methylene group is replaced by a -NH- group in the 4 position, or an amino group substituted by a C5-7-cycloalkyl group, while the C5-7-cycloalkyl group is substituted by an amino group or a carbon atom in the 3 position of the C5-7-cycloalkyl group is replaced by an -NH- group, R2 denotes a benzyl group wherein the phenyl group may be substituted by one or two fluorine, chlorine or bromine atoms or by a cyano group, a straight-chain or branched C3-5-alkenyl group, a C3-5-alkynyl group, a C3-7-cycloalkylmethyl group, a C5-7-cycloalkenylmethyl group, or a furylmethyl, thienylmethyl, pyrrolylmethyl, thiazolylmethyl, imidazolyl-methyl, pyridinylmethyl, pyrimidinylmethyl, pyridazinylmethyl or pyrazinyl-methyl group, R3 denotes a straight-chain or branched C1-6-alkyl group, a phenyl-C1-3-alkyl or naphthyl-C1-3-alkyl group optionally substituted in the aryl moiety by a halogen atom, a cyano, a C1-3-alkyl or a methoxy group, a 2-phenyl-2-hydroxy-ethyl group, a phenylcarbonylmethyl group, wherein the phenyl group may be substituted by a hydroxy, C1-3-alkyloxy, aminocarbonyl-C1-3-alkoxy, (C1-3-alkylamino)-carbonyl-C1-3-alkoxy, [di-(C1-3-alkyl)-amino]-carbonyl-C1-3-alkoxy, amino, C1-3-alkyl-carbonylamino, C3-6-cycloalkyl-carbonylamino, C1-3-alkoxy-carbonylamino, C1-3-alkylsulphonylamino or aminocarbonyl group, a (3-methyl-2-oxo-2,3-dihydro-benzoxazolyl)-carbonylmethyl group, a thienylcarbonylmethyl group, a heteroaryl-C1-3-alkyl group, while by the phrase "heteroaryl group" is meant a monocyclic 5- or 6-membered heteroaryl group optionally substituted by one or two C1-3-alkyl groups or by a morpholin-4-yl, pyridyl or phenyl group, while the 6-membered heteroaryl group contains one, two or three nitrogen atoms and the 5-membered heteroaryl group contains an imino group optionally substituted by a C1-3-alkyl or phenyl-C1-3-alkyl group, or an oxygen or sulphur atom or an imino group optionally substituted by a C1-3-alkyl or phenyl-C1-3-alkyl group or an oxygen or sulphur atom and additionally contains a nitrogen atom or an imino group optionally substituted by a C1-3-alkyl or phenyl-C1-3-alkyl group or an oxygen or sulphur atom and additionally contains two or three nitrogen atoms, and additionally a phenyl ring, which may optionally be substituted by a halogen atom, by one or two C1-3-alkyl groups or by a trifluoromethyl or methoxy group, may be fused to the above-mentioned monocyclic heteroaryl groups via two adjacent carbon atoms and the bond may be formed via an atom of the heterocyclic moiety or of the fused-on phenyl ring, a bicyclic heteroarylmethyl group according to one of the formulae or a group of formula or a group of formulae or wherein R6 in each case denotes a hydrogen atom or a methyl group, and R4 denotes a hydrogen atom or a C1-3-alkyl group, while unless otherwise stated the alkyl and alkoxy groups listed in the definitions which have more than two carbon atoms may be straight-chain or branched, and the hydrogen atoms of the methyl or ethyl groups listed in the definitions may be wholly or partly replaced by fluorine atoms, the tautomers, the enantiomers, the diastereomers, the mixtures thereof and the salts thereof.
2. Compounds of general formula I according to claim 1, wherein X denotes a nitrogen atom or a methyne group, R1 denotes a piperazin-1-yl, 3-amino-piperidin-1-yl, 3-amino-3-methyl-piperidin-1-yl, 3-amino-pyrrolidin-1-yl, 1,4-diazepan-1-yl, (2-amino-cyclohexyl)-amino or piperidin-3-yl-amino group, R2 denotes a benzyl group wherein the phenyl group may be substituted by one or two fluorine atoms, by a chlorine or bromine atom or by a cyano group, a straight-chain or branched C3-8-alkenyl group, a propyn-3-yl or but-2-yn-4-yl group, a cyclopropylmethyl group, a C5-7-cycloalkenylmethyl group, or a furylmethyl or thienylmethyl group, R3 denotes a straight-chain or branched C1-6-alkyl group, a phenyl-C1-2-alkyl or naphthyl-C1-2-alkyl group optionally substituted in the aryl moiety by a fluorine, chlorine or bromine atom or by a cyano, C1-3-alkyl or methoxy group, a 2-phenyl-2-hydroxy-ethyl group, a phenylcarbonylmethyl group, wherein the phenyl group may be substituted by a hydroxy, C1-3-alkyloxy, aminocarbonyl-C1-3-alkoxy, (C1-3-alkylamino)-carbonyl-C1-3-alkoxy, [di-(C1-3-alkyl)-amino)-carbonyl-C1-3-alkoxy, amino, C1-3-alkyl-carbonylamino, C3-6-cycloalkyl-carbonylamino, C1-3-alkoxy-carbonylamino, C1-3-alkylsulphonylamino or aminocarbonyl group, a (3-methyl-2-oxo-2,3-dihydro-benzoxazolyl)-carbonylmethyl group, a thienylcarbonylmethyl group, a heteroaryl-methyl group, while by the phrase a "heteroaryl group" is meant a pyridinyl, pyrimidinyl, pyridazinyl, pyrazinyl, thiazolyl, oxazolyl, isothiazolyl, isoxazolyl, pyrazolyl, imidazolyl, oxadiazolyl, thiadiazolyl or thienyl group optionally substituted by one or two methyl groups or by a pyridyl or phenyl group, and while additionally a phenyl ring, which may optionally be substituted by a chlorine atom, by one or two methyl groups or by a trifluoromethyl or methoxy group, may be fused to the above-mentioned monocyclic heteroaryl groups via two adjacent carbon atoms and the bond may be formed via an atom of the heterocyclic moiety or of the fused-on phenyl ring, an imidazo[1,2-a)pyridin-2-yl-methyl group of formulae or a 1,2,4-triazolo[4,3-a]pyridin-3-yl group of formula or a group of formulae or wherein R6 in each case denotes a hydrogen atom or a methyl group, and R4 denotes a hydrogen atom or a methyl group, while unless otherwise stated the alkyl and alkoxy groups listed in the definitions which have more than two carbon atoms may be straight-chain or branched, and the hydrogen atoms of the methyl or ethyl groups listed in the definitions may be wholly or partly replaced by fluorine atoms, the tautomers, the enantiomers, the diastereomers, the mixtures thereof and the salts thereof.
3. Compounds of general formula I according to claim 1, wherein X, R2, R3 and R4 are defined as in claim 2 and R1 denotes a 3-amino-piperidin-1-yl group, the tautomers, the enantiomers, the diastereomers, the mixtures thereof and the salts thereof.
4. Compounds of general formula I according to claim 1, wherein X, R1, R3 and R4 are defined as in claim 2 or 3 and R2 denotes a 3-methylallyl, a 3,3-dimethylallyl or a but-2-yn-4-yl group, the tautomers, the enantiomers, the diastereomers, the mixtures thereof and the salts thereof.
5. The following compounds of general formula I according to claim 1:
(1) 2-(3-amino-piperidin-1-yl)-3-(but-2-ynyl)-5-(naphthalen-1-ylmethyl)-3,5-dihydro-imidazo[4,5-d]pyridazin-4-one (2) 2-(3-amino-piperidin-1-yl)-3-but-2-ynyl-5-(3-methyl-isoquinolin-1-yl-methyl)-3,5-dihydro-imidazo[4,5-d]pyridazin-4-one, (3) 2-(3-amino-piperidin-1-yl)-3-(but-2-ynyl)-5-(quinazolin-2-ylmethyl)-3,5-dihydro-imidazo[4,5-d]pyridazin-4-one (4) 2-((R)-3-amino-piperidin-1-yl)-3-(but-2-ynyl)-5-(4-methyl-quinazolin-2-ylmethyl)-3,5-dihydro-imidazo[4,5-d]pyridazin-4-one (5) 2-((R)-3-amino-piperidin-1-yl)-3-(but-2-ynyl)-5-(4-cyano-naphthalen-1-ylmethyl)-3,5-dihydro-imidazo[4,5-d]pyridazin-4-one (6) 2-((R)-3-amino-piperidin-1-yl)-3-(but-2-ynyl)-5-(4-bromonaphth-1-ylmethyl)-3,5-dihydro-imidazo[4,5-d]pyridazin-4-one (7) 2-((R)-3-amino-piperidin-1-yl)-3-(but-2-ynyl)-5-(benzo[1,2,5]thiadiazol-5-ylmethyl)-3,5-dihydro-imidazo[4,5-d]pyridazin-4-one (8) 2-((R)-3-amino-piperidin-1-yl)-3-(2-chlorobenzyl)-5-(3-methyl-isoquinolin-1-ylmethyl)-3,5-dihydro-imidazo[4,5-d]pyridazin-4-one (9) 2-(3-amino-piperidin-1-yl)-3-(but-2-ynyl)-5-(quinoxalin-6-ylmethyl)-3,5-dihydro-imidazo[4,5-d]pyridazin-4-one (10) 2-((R)-3-amino-piperidin-1-yl)-3-(but-2-ynyl)-5-(2,3-dimethyl-quinoxalin-
(1) 2-(3-amino-piperidin-1-yl)-3-(but-2-ynyl)-5-(naphthalen-1-ylmethyl)-3,5-dihydro-imidazo[4,5-d]pyridazin-4-one (2) 2-(3-amino-piperidin-1-yl)-3-but-2-ynyl-5-(3-methyl-isoquinolin-1-yl-methyl)-3,5-dihydro-imidazo[4,5-d]pyridazin-4-one, (3) 2-(3-amino-piperidin-1-yl)-3-(but-2-ynyl)-5-(quinazolin-2-ylmethyl)-3,5-dihydro-imidazo[4,5-d]pyridazin-4-one (4) 2-((R)-3-amino-piperidin-1-yl)-3-(but-2-ynyl)-5-(4-methyl-quinazolin-2-ylmethyl)-3,5-dihydro-imidazo[4,5-d]pyridazin-4-one (5) 2-((R)-3-amino-piperidin-1-yl)-3-(but-2-ynyl)-5-(4-cyano-naphthalen-1-ylmethyl)-3,5-dihydro-imidazo[4,5-d]pyridazin-4-one (6) 2-((R)-3-amino-piperidin-1-yl)-3-(but-2-ynyl)-5-(4-bromonaphth-1-ylmethyl)-3,5-dihydro-imidazo[4,5-d]pyridazin-4-one (7) 2-((R)-3-amino-piperidin-1-yl)-3-(but-2-ynyl)-5-(benzo[1,2,5]thiadiazol-5-ylmethyl)-3,5-dihydro-imidazo[4,5-d]pyridazin-4-one (8) 2-((R)-3-amino-piperidin-1-yl)-3-(2-chlorobenzyl)-5-(3-methyl-isoquinolin-1-ylmethyl)-3,5-dihydro-imidazo[4,5-d]pyridazin-4-one (9) 2-(3-amino-piperidin-1-yl)-3-(but-2-ynyl)-5-(quinoxalin-6-ylmethyl)-3,5-dihydro-imidazo[4,5-d]pyridazin-4-one (10) 2-((R)-3-amino-piperidin-1-yl)-3-(but-2-ynyl)-5-(2,3-dimethyl-quinoxalin-
6-ylmethyl)-3,5-dihydro-imidazo[4,5-d]pyridazin-4-one (11) 2-((R)-3-amino-piperidin-1-yl)-3-(but-2-ynyl)-5-(5-methyl-imidazo[1,2-a]pyridin-2-ylmethyl)-3,5-dihydro-imidazo[4,5-d]pyridazin-4-one (12) 2-((R)-3-amino-piperidin-1-yl)-3-(but-2-ynyl)-5-(1-methyl-1H-quinolin-2-on-6-ylmethyl)-3,5-dihydro-imidazo[4,5-d]pyridazin-4-one (13) 2-((R)-3-amino-piperidin-1-yl)-3-(but-2-ynyl)-5-(4-methyl-phthalazin-1-ylmethyl)-3,5-dihydro-imidazo[4,5-d]pyridazin-4-one (14) 2-((R)-3-amino-piperidin-1-yl)-3-(but-2-ynyl)-5-([1,5]naphthyridin-2-ylmethyl)-3,5-dihydro-imidazo[4,5-d]pyridazin-4-one (15) 2-((R)-3-amino-piperidin-1-yl)-3-(but-2-ynyl)-5-(2,3,8-trimethyl-quinoxalin-6-ylmethyl)-3,5-dihydro-imidazo[4,5-d]pyridazin-4-one and the enantiomers and the salts thereof.
6. Physiologically acceptable salts of the compounds according to at least one of claims 1 to 5 with inorganic or organic acids.
6. Physiologically acceptable salts of the compounds according to at least one of claims 1 to 5 with inorganic or organic acids.
7. Pharmaceutical compositions containing a compound according to at least one of claims 1 to 5 or a salt according to claim 6 optionally together with one or more inert carriers and/or diluents.
8. Use of a compound according to at least one of claims 1 to 5 or a salt according to claim 6 for preparing a pharmaceutical composition which is suitable for the treatment of type I and type II diabetes mellitus, arthritis, obesity, allograft transplantation and osteoporosis caused by calcitonin.
9. Process for preparing a pharmaceutical composition according to claim 7, characterised in that a compound according to at least one of claims 1 to 5 or a salt according to claim 6 is incorporated in one or more inert carriers and/or diluents by a non-chemical method.
10. Process for preparing the compounds of general formula I according to claims 1 to 6, characterised in that a) a compound of general formula wherein X, R2, R3 and R4 are defined as in claims 1 to 5 and Z1 denotes a nucleofugic leaving group such as for example a chlorine or bromine atom or a C1-3-alkylsulphanyl, C1-3-alkylsulphinyl or C1-3-alkylsulphonyl group, is reacted with an amine of general formula H-R1 (III), wherein R1 is defined as in claims 1 to 5, or b) a compound of general formula wherein R2, R3 and R4 are defined as in claims 1 to 5 and R1 denotes one of the groups mentioned for R1 hereinbefore, wherein the imino, amino or alkylamino group is substituted by a protective group, is deprotected and subsequently if desired any protecting group used to protect reactive groups during the reactions is cleaved and/or a compound of general formula I thus obtained is resolved into its stereoisomers and/or a compound of general formula I thus obtained is converted into the salts thereof, particularly for pharmaceutical use into the physiologically acceptable salts thereof with an inorganic or organic acid.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2002156264 DE10256264A1 (en) | 2002-12-03 | 2002-12-03 | New trisubstituted dihydro-imidazo-pyridazinone or imidazo-pyridinone derivatives, useful as dipeptidylpeptidase-IV inhibitors for e.g. treating diabetes mellitus type I or II, arthritis or obesity |
| DE10256264.4 | 2002-12-03 | ||
| DE10309927.1 | 2003-03-07 | ||
| DE2003109927 DE10309927A1 (en) | 2003-03-07 | 2003-03-07 | New trisubstituted dihydro-imidazo-pyridazinone or imidazo-pyridinone derivatives, useful as dipeptidylpeptidase-IV inhibitors for e.g. treating diabetes mellitus type I or II, arthritis or obesity |
| PCT/EP2003/013648 WO2004050658A1 (en) | 2002-12-03 | 2003-12-03 | Novel substituted imidazo-pyridinones and imidazo-pyridazeiones, the production and use thereof as medicaments |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2508233A1 true CA2508233A1 (en) | 2004-06-17 |
| CA2508233C CA2508233C (en) | 2012-01-31 |
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| CA2508233A Expired - Lifetime CA2508233C (en) | 2002-12-03 | 2003-12-03 | New substituted imidazo-pyridinones and imidazo-pyridazinones, the preparation thereof and their use as pharmaceutical compositions |
Country Status (12)
| Country | Link |
|---|---|
| EP (1) | EP1569936B1 (en) |
| JP (1) | JP4726493B2 (en) |
| AR (1) | AR042275A1 (en) |
| AT (1) | ATE425979T1 (en) |
| AU (1) | AU2003293757A1 (en) |
| CA (1) | CA2508233C (en) |
| DE (1) | DE50311318D1 (en) |
| ES (1) | ES2324294T3 (en) |
| PE (1) | PE20040759A1 (en) |
| TW (1) | TW200504067A (en) |
| UY (1) | UY28103A1 (en) |
| WO (1) | WO2004050658A1 (en) |
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| US7501426B2 (en) | 2004-02-18 | 2009-03-10 | Boehringer Ingelheim International Gmbh | 8-[3-amino-piperidin-1-yl]-xanthines, their preparation and their use as pharmaceutical compositions |
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| US7560450B2 (en) | 2002-11-21 | 2009-07-14 | Boehringer Ingelheim Pharma Gmbh & Co., Kg | Xanthine derivatives, the preparation thereof and their use as pharmaceutical compositions |
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Also Published As
| Publication number | Publication date |
|---|---|
| TW200504067A (en) | 2005-02-01 |
| CA2508233C (en) | 2012-01-31 |
| PE20040759A1 (en) | 2004-12-10 |
| JP2006514980A (en) | 2006-05-18 |
| EP1569936A1 (en) | 2005-09-07 |
| WO2004050658A1 (en) | 2004-06-17 |
| DE50311318D1 (en) | 2009-04-30 |
| AR042275A1 (en) | 2005-06-15 |
| JP4726493B2 (en) | 2011-07-20 |
| UY28103A1 (en) | 2004-06-30 |
| AU2003293757A1 (en) | 2004-06-23 |
| EP1569936B1 (en) | 2009-03-18 |
| ATE425979T1 (en) | 2009-04-15 |
| ES2324294T3 (en) | 2009-08-04 |
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