DE3522193A1 - 4,5-Dihydro-3(2H)-pyridazinones, processes for their preparation and their use - Google Patents
4,5-Dihydro-3(2H)-pyridazinones, processes for their preparation and their useInfo
- Publication number
- DE3522193A1 DE3522193A1 DE19853522193 DE3522193A DE3522193A1 DE 3522193 A1 DE3522193 A1 DE 3522193A1 DE 19853522193 DE19853522193 DE 19853522193 DE 3522193 A DE3522193 A DE 3522193A DE 3522193 A1 DE3522193 A1 DE 3522193A1
- Authority
- DE
- Germany
- Prior art keywords
- formula
- dihydro
- methyl
- radical
- oxo
- 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.)
- Withdrawn
Links
- ORSUMIZRRGPJBR-UHFFFAOYSA-N 4,5-dihydro-1h-pyridazin-6-one Chemical class O=C1CCC=NN1 ORSUMIZRRGPJBR-UHFFFAOYSA-N 0.000 title claims abstract description 12
- 238000000034 method Methods 0.000 title claims description 6
- 238000002360 preparation method Methods 0.000 title claims description 6
- -1 p-chlorophenoxymethyl Chemical group 0.000 claims abstract description 63
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 28
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 16
- 239000001257 hydrogen Substances 0.000 claims abstract description 16
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims abstract description 3
- XMTUHSIIBGFSTQ-UHFFFAOYSA-N 3-(4-aminophenyl)-4,5-dihydro-1h-pyridazin-6-one Chemical compound C1=CC(N)=CC=C1C1=NNC(=O)CC1 XMTUHSIIBGFSTQ-UHFFFAOYSA-N 0.000 claims abstract 2
- 150000001875 compounds Chemical class 0.000 claims description 23
- 239000002253 acid Substances 0.000 claims description 17
- 150000003839 salts Chemical class 0.000 claims description 12
- 150000002431 hydrogen Chemical class 0.000 claims description 11
- 125000000217 alkyl group Chemical group 0.000 claims description 10
- 125000004432 carbon atom Chemical group C* 0.000 claims description 9
- 239000000969 carrier Substances 0.000 claims description 8
- 239000000825 pharmaceutical preparation Substances 0.000 claims description 8
- KAESVJOAVNADME-UHFFFAOYSA-N Pyrrole Chemical compound C=1C=CNC=1 KAESVJOAVNADME-UHFFFAOYSA-N 0.000 claims description 7
- 150000001732 carboxylic acid derivatives Chemical class 0.000 claims description 7
- CYRMSUTZVYGINF-UHFFFAOYSA-N trichlorofluoromethane Chemical compound FC(Cl)(Cl)Cl CYRMSUTZVYGINF-UHFFFAOYSA-N 0.000 claims description 7
- 125000003545 alkoxy group Chemical group 0.000 claims description 6
- 125000004433 nitrogen atom Chemical group N* 0.000 claims description 6
- 239000000654 additive Substances 0.000 claims description 5
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 4
- SIKJAQJRHWYJAI-UHFFFAOYSA-N Indole Chemical compound C1=CC=C2NC=CC2=C1 SIKJAQJRHWYJAI-UHFFFAOYSA-N 0.000 claims description 4
- 230000003213 activating effect Effects 0.000 claims description 4
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 claims description 4
- 229910052736 halogen Inorganic materials 0.000 claims description 4
- 125000002777 acetyl group Chemical group [H]C([H])([H])C(*)=O 0.000 claims description 3
- 125000001584 benzyloxycarbonyl group Chemical group C(=O)(OCC1=CC=CC=C1)* 0.000 claims description 3
- 125000002485 formyl group Chemical group [H]C(*)=O 0.000 claims description 3
- UYWQUFXKFGHYNT-UHFFFAOYSA-N phenylmethyl ester of formic acid Natural products O=COCC1=CC=CC=C1 UYWQUFXKFGHYNT-UHFFFAOYSA-N 0.000 claims description 3
- 125000005931 tert-butyloxycarbonyl group Chemical group [H]C([H])([H])C(OC(*)=O)(C([H])([H])[H])C([H])([H])[H] 0.000 claims description 3
- 230000009424 thromboembolic effect Effects 0.000 claims description 3
- 125000002252 acyl group Chemical group 0.000 claims description 2
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 claims description 2
- 125000000051 benzyloxy group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])O* 0.000 claims description 2
- 229910052698 phosphorus Inorganic materials 0.000 claims description 2
- 201000010099 disease Diseases 0.000 claims 1
- 125000005843 halogen group Chemical group 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 abstract description 6
- 230000000144 pharmacologic effect Effects 0.000 abstract description 3
- 125000004435 hydrogen atom Chemical class [H]* 0.000 abstract description 2
- 239000002904 solvent Substances 0.000 description 25
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 21
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 21
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 18
- PFKFTWBEEFSNDU-UHFFFAOYSA-N carbonyldiimidazole Chemical compound C1=CN=CN1C(=O)N1C=CN=C1 PFKFTWBEEFSNDU-UHFFFAOYSA-N 0.000 description 16
- 229910052757 nitrogen Inorganic materials 0.000 description 15
- 238000005917 acylation reaction Methods 0.000 description 14
- 150000003254 radicals Chemical group 0.000 description 14
- 239000000243 solution Substances 0.000 description 13
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- GDMRFHZLKNYRRO-UHFFFAOYSA-N 3-(4-aminophenyl)-4-methyl-4,5-dihydro-1h-pyridazin-6-one Chemical compound CC1CC(=O)NN=C1C1=CC=C(N)C=C1 GDMRFHZLKNYRRO-UHFFFAOYSA-N 0.000 description 9
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- 238000000921 elemental analysis Methods 0.000 description 9
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- 239000000203 mixture Substances 0.000 description 8
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- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 6
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- 239000003085 diluting agent Substances 0.000 description 6
- 150000002334 glycols Chemical class 0.000 description 6
- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 description 5
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- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Inorganic materials [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 5
- CFGDUGSIBUXRMR-UHFFFAOYSA-N 1,2-dihydropyrrol-2-ide Chemical class C=1C=[C-]NC=1 CFGDUGSIBUXRMR-UHFFFAOYSA-N 0.000 description 4
- DRSHXJFUUPIBHX-UHFFFAOYSA-N COc1ccc(cc1)N1N=CC2C=NC(Nc3cc(OC)c(OC)c(OCCCN4CCN(C)CC4)c3)=NC12 Chemical compound COc1ccc(cc1)N1N=CC2C=NC(Nc3cc(OC)c(OC)c(OCCCN4CCN(C)CC4)c3)=NC12 DRSHXJFUUPIBHX-UHFFFAOYSA-N 0.000 description 4
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 150000007513 acids Chemical class 0.000 description 4
- 150000001298 alcohols Chemical class 0.000 description 4
- 230000037396 body weight Effects 0.000 description 4
- MVPPADPHJFYWMZ-UHFFFAOYSA-N chlorobenzene Chemical compound ClC1=CC=CC=C1 MVPPADPHJFYWMZ-UHFFFAOYSA-N 0.000 description 4
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
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- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 3
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 3
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 3
- 150000001408 amides Chemical class 0.000 description 3
- 150000001412 amines Chemical class 0.000 description 3
- 150000008064 anhydrides Chemical class 0.000 description 3
- 230000003257 anti-anginal effect Effects 0.000 description 3
- VKQDNVFWLKOFGT-UHFFFAOYSA-N bis(triazol-1-yl)methanone Chemical compound C1=CN=NN1C(=O)N1C=CN=N1 VKQDNVFWLKOFGT-UHFFFAOYSA-N 0.000 description 3
- 238000009835 boiling Methods 0.000 description 3
- 150000001718 carbodiimides Chemical class 0.000 description 3
- 150000001733 carboxylic acid esters Chemical class 0.000 description 3
- 150000002148 esters Chemical class 0.000 description 3
- 239000007903 gelatin capsule Substances 0.000 description 3
- 150000002367 halogens Chemical class 0.000 description 3
- 125000004356 hydroxy functional group Chemical group O* 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 3
- 229920005862 polyol Polymers 0.000 description 3
- 150000003077 polyols Chemical class 0.000 description 3
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 3
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 3
- IVSZLXZYQVIEFR-UHFFFAOYSA-N 1,3-Dimethylbenzene Natural products CC1=CC=CC(C)=C1 IVSZLXZYQVIEFR-UHFFFAOYSA-N 0.000 description 2
- AAILEWXSEQLMNI-UHFFFAOYSA-N 1h-pyridazin-6-one Chemical class OC1=CC=CN=N1 AAILEWXSEQLMNI-UHFFFAOYSA-N 0.000 description 2
- XNWFRZJHXBZDAG-UHFFFAOYSA-N 2-METHOXYETHANOL Chemical compound COCCO XNWFRZJHXBZDAG-UHFFFAOYSA-N 0.000 description 2
- 125000004637 2-oxopiperidinyl group Chemical group O=C1N(CCCC1)* 0.000 description 2
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Chemical compound OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- CPELXLSAUQHCOX-UHFFFAOYSA-N Hydrogen bromide Chemical compound Br CPELXLSAUQHCOX-UHFFFAOYSA-N 0.000 description 2
- 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 description 2
- 229920000881 Modified starch Polymers 0.000 description 2
- PVNIIMVLHYAWGP-UHFFFAOYSA-N Niacin Chemical compound OC(=O)C1=CC=CN=C1 PVNIIMVLHYAWGP-UHFFFAOYSA-N 0.000 description 2
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- 229960004738 nicotinyl alcohol Drugs 0.000 description 1
- HYIMSNHJOBLJNT-UHFFFAOYSA-N nifedipine Chemical compound COC(=O)C1=C(C)NC(C)=C(C(=O)OC)C1C1=CC=CC=C1[N+]([O-])=O HYIMSNHJOBLJNT-UHFFFAOYSA-N 0.000 description 1
- 229960001597 nifedipine Drugs 0.000 description 1
- 150000002825 nitriles Chemical class 0.000 description 1
- 239000002674 ointment Substances 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 230000003204 osmotic effect Effects 0.000 description 1
- UWBHMRBRLOJJAA-UHFFFAOYSA-N oxaluric acid Chemical compound NC(=O)NC(=O)C(O)=O UWBHMRBRLOJJAA-UHFFFAOYSA-N 0.000 description 1
- 229960004570 oxprenolol Drugs 0.000 description 1
- 239000000312 peanut oil Substances 0.000 description 1
- KQXKVJAGOJTNJS-HNNXBMFYSA-N penbutolol Chemical compound CC(C)(C)NC[C@H](O)COC1=CC=CC=C1C1CCCC1 KQXKVJAGOJTNJS-HNNXBMFYSA-N 0.000 description 1
- 229960002035 penbutolol Drugs 0.000 description 1
- DMDPGPKXQDIQQG-UHFFFAOYSA-N pentaglyme Chemical compound COCCOCCOCCOCCOCCOC DMDPGPKXQDIQQG-UHFFFAOYSA-N 0.000 description 1
- CYXKNKQEMFBLER-UHFFFAOYSA-N perhexiline Chemical compound C1CCCNC1CC(C1CCCCC1)C1CCCCC1 CYXKNKQEMFBLER-UHFFFAOYSA-N 0.000 description 1
- 229960000989 perhexiline Drugs 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- VYMDGNCVAMGZFE-UHFFFAOYSA-N phenylbutazonum Chemical compound O=C1C(CCCC)C(=O)N(C=2C=CC=CC=2)N1C1=CC=CC=C1 VYMDGNCVAMGZFE-UHFFFAOYSA-N 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 239000000106 platelet aggregation inhibitor Substances 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- CHKVPAROMQMJNQ-UHFFFAOYSA-M potassium bisulfate Chemical compound [K+].OS([O-])(=O)=O CHKVPAROMQMJNQ-UHFFFAOYSA-M 0.000 description 1
- 229910000343 potassium bisulfate Inorganic materials 0.000 description 1
- 229920001592 potato starch Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 125000001501 propionyl group Chemical group O=C([*])C([H])([H])C([H])([H])[H] 0.000 description 1
- AQHHHDLHHXJYJD-UHFFFAOYSA-N propranolol Chemical compound C1=CC=C2C(OCC(O)CNC(C)C)=CC=CC2=C1 AQHHHDLHHXJYJD-UHFFFAOYSA-N 0.000 description 1
- 125000004742 propyloxycarbonyl group Chemical group 0.000 description 1
- 125000004076 pyridyl group Chemical group 0.000 description 1
- 125000001422 pyrrolinyl group Chemical group 0.000 description 1
- 239000002516 radical scavenger Substances 0.000 description 1
- ZLQMRLSBXKQKMG-UHFFFAOYSA-N rauniticine Natural products COC(=O)C1=CC2CC3N(CCc4c3[nH]c5ccccc45)CC2C(C)O1 ZLQMRLSBXKQKMG-UHFFFAOYSA-N 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000008159 sesame oil Substances 0.000 description 1
- 235000011803 sesame oil Nutrition 0.000 description 1
- 150000004760 silicates Chemical class 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 229940032147 starch Drugs 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000005720 sucrose Substances 0.000 description 1
- FDDDEECHVMSUSB-UHFFFAOYSA-N sulfanilamide Chemical compound NC1=CC=C(S(N)(=O)=O)C=C1 FDDDEECHVMSUSB-UHFFFAOYSA-N 0.000 description 1
- 229940124530 sulfonamide Drugs 0.000 description 1
- 150000003462 sulfoxides Chemical class 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 150000003568 thioethers Chemical class 0.000 description 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N urea group Chemical group NC(=O)N XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- 125000003774 valeryl group Chemical group O=C([*])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 235000015112 vegetable and seed oil Nutrition 0.000 description 1
- 239000008158 vegetable oil Substances 0.000 description 1
- 229960001722 verapamil Drugs 0.000 description 1
- RXPRRQLKFXBCSJ-GIVPXCGWSA-N vincamine Chemical compound C1=CC=C2C(CCN3CCC4)=C5[C@@H]3[C@]4(CC)C[C@](O)(C(=O)OC)N5C2=C1 RXPRRQLKFXBCSJ-GIVPXCGWSA-N 0.000 description 1
- 230000002618 waking effect Effects 0.000 description 1
- 239000001993 wax Substances 0.000 description 1
- 235000020681 well water Nutrition 0.000 description 1
- 239000002349 well water Substances 0.000 description 1
- 235000014101 wine Nutrition 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D231/00—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings
- C07D231/02—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings
- C07D231/10—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
- C07D231/12—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms
-
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- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D233/00—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings
- C07D233/54—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members
- C07D233/56—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, attached to ring carbon atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D237/00—Heterocyclic compounds containing 1,2-diazine or hydrogenated 1,2-diazine rings
- C07D237/02—Heterocyclic compounds containing 1,2-diazine or hydrogenated 1,2-diazine rings not condensed with other rings
- C07D237/04—Heterocyclic compounds containing 1,2-diazine or hydrogenated 1,2-diazine rings not condensed with other rings having less than three double bonds between ring members or between ring members and non-ring members
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D249/00—Heterocyclic compounds containing five-membered rings having three nitrogen atoms as the only ring hetero atoms
- C07D249/02—Heterocyclic compounds containing five-membered rings having three nitrogen atoms as the only ring hetero atoms not condensed with other rings
- C07D249/08—1,2,4-Triazoles; Hydrogenated 1,2,4-triazoles
-
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- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D401/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom
- C07D401/02—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings
- C07D401/10—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings linked by a carbon chain containing aromatic rings
-
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- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D401/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom
- C07D401/02—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings
- C07D401/12—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings linked by a chain containing hetero atoms as chain links
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- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D403/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00
- C07D403/02—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00 containing two hetero rings
- C07D403/04—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00 containing two hetero rings directly linked by a ring-member-to-ring-member bond
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- C07D403/02—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00 containing two hetero rings
- C07D403/10—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00 containing two hetero rings linked by a carbon chain containing aromatic rings
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- C07D403/02—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00 containing two hetero rings
- C07D403/12—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00 containing two hetero rings linked by a chain containing hetero atoms as chain links
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- 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
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- C07D413/02—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing two hetero rings
- C07D413/04—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing two hetero rings directly linked by a ring-member-to-ring-member bond
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- C07D413/12—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing two hetero rings linked by a chain containing hetero atoms as chain links
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- C07D417/02—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group C07D415/00 containing two hetero rings
- C07D417/12—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group C07D415/00 containing two hetero rings linked by a chain containing hetero atoms as chain links
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Abstract
Description
Die deutsche Hauptpatentanmeldung P 34 34 680.5 betrifft
substituierte 4,5-Dihydro-3(2H)-pyridazinone der Formel I
worin
R einen Rest der Formel
R1, R2 unabhängig voneinander Wasserstoff oder Alkyl,
R3 Alkoxy-alkoxy, Amino-carbonyl-alkoxy, Alkoxy-alkylamino-
carbonyl-alkoxy, Hydroxyalkylamino, Thiazolidinyl-
carbonyl-amino, Monoalkylamino-carbonyl-alkoxy,
Alkoxy-carbonyl-alkoxy, Hydroxy-carbonyl-alkoxy,
Alkyl-thio, Alkyl-sulfinyl, Alkyl-sulfonyl, Alkylamino-
carbonyl-amino, (2-Oxo-pyrrolidinyl)-alkylamino-
carbonyl-amino, (2-Oxo-piperidinyl)-alkylamino-
carbonyl-amino, 2-Oxo-pyrrolidinyl, 2-Oxo-
piperidinyl, 2,5-Dioxo-piperidinyl, 2,5-Dioxo-pyrrolidinyl,
2-Oxo-imidazolidinyl, 2-Oxo-hexahydro-
pyrimidinyl, 2,4-Dioxo-imidazolidinyl, 2,4-Dioxo-
hexahydro-pyrimidinyl, 2-Oxo-1,3-oxazolidinyl, 3-Oxo-
pyrazolidinyl, (2-(R9-carbonyl)-pyrrolidin-alkoxy,
Alkyl und Alkoxy substituiert durch Pyridyl, Imidazolyl,
Oxadiazolyl, Oxo-pyranyl, 2-Hydroxy-pyridinyl,
Pyrrolinyl oder Oxo-oxazolidinyl, wobei das
Oxo-pyranyl, Oxo-oxazolidinyl und Oxadiazolyl seinerseits
durch Alkyl oder Alkoxycarbonyl substituiert
sein kann,
R4 Wasserstoff, Alkyl, Alkoxy, Hydroxy, Alkanoyloxy oder
Halogen,
R5, R6, R7 unabhängig voneinander Wasserstoff, Alkyl,
Alkoxy, Hydroxy, Halogen, Amino, Monoalkylamino oder
Dialkylamino,
R8 Wasserstoff, Alkyl oder Phenyl,
R9 Hydroxy, Alkoxy, Amino, Monoalkylamino oder Dialkylamino
bedeuten.The main German patent application P 34 34 680.5 relates to substituted 4,5-dihydro-3 (2H) -pyridazinones of the formula I. wherein
R is a radical of the formula R 1 , R 2 independently of one another are hydrogen or alkyl,
R 3 alkoxy-alkoxy, amino-carbonyl-alkoxy, alkoxy-alkylamino-carbonyl-alkoxy, hydroxyalkylamino, thiazolidinyl-carbonyl-amino, monoalkylamino-carbonyl-alkoxy, alkoxy-carbonyl-alkoxy, hydroxy-carbonyl-alkoxy, alkyl-thio, Alkyl-sulfinyl, alkyl-sulfonyl, alkylamino-carbonyl-amino, (2-oxo-pyrrolidinyl) -alkylamino-carbonyl-amino, (2-oxo-piperidinyl) -alkylamino-carbonyl-amino, 2-oxo-pyrrolidinyl, 2- Oxo-piperidinyl, 2,5-dioxo-piperidinyl, 2,5-dioxo-pyrrolidinyl, 2-oxo-imidazolidinyl, 2-oxo-hexahydro-pyrimidinyl, 2,4-dioxo-imidazolidinyl, 2,4-dioxo-hexahydro- pyrimidinyl, 2-oxo-1,3-oxazolidinyl, 3-oxopyrazolidinyl, (2- (R 9 -carbonyl) pyrrolidine alkoxy, alkyl and alkoxy substituted by pyridyl, imidazolyl, oxadiazolyl, oxopyranyl, 2-hydroxy pyridinyl, pyrrolinyl or oxo-oxazolidinyl, where the oxo-pyranyl, oxo-oxazolidinyl and oxadiazolyl can in turn be substituted by alkyl or alkoxycarbonyl,
R 4 is hydrogen, alkyl, alkoxy, hydroxy, alkanoyloxy or halogen,
R 5 , R 6 , R 7 independently of one another are hydrogen, alkyl, alkoxy, hydroxy, halogen, amino, monoalkylamino or dialkylamino,
R 8 is hydrogen, alkyl or phenyl,
R 9 is hydroxy, alkoxy, amino, monoalkylamino or dialkylamino
mean.
Die 4,5-Dihydro-3(2H)-pyridazinonderivate der Formel I und ihre pharmakologisch annehmbaren Salze zeigen ausgeprägte antithrombotische, thrombozytenaggregationshemmende, antianginöse, kardiotone und blutdrucksenkende Wirkungen. Sie sind den bisher bekannten Verbindungen gleicher Wirkungsrichtung überraschenderweise erheblich überlegen und eignen sich daher vorzüglich zur Behandlung und Vorbeugung von Erkrankungen des Herzens und des Kreislaufsystems einschließlich thromboembolischer Erkrankungen.The 4,5-dihydro-3 (2H) pyridazinone derivatives of the formula I. and their pharmacologically acceptable salts show pronounced antithrombotic, antiplatelet agents, antianginal, cardiotonic and hypotensive Effects. They are the previously known compounds same direction of action surprisingly significantly superior and are therefore ideal for treatment and prevention of diseases of the heart and the Circulatory system including thromboembolic disorders.
In weiterer Ausbildung der Erfindung der Hauptpatentanmeldung
wurde gefunden, daß auch Verbindungen der Formel
I wobei
R1 Methyl,
R2 Wasserstoff,
R einen Rest der Formel
und
R3 einen Rest der Formel
R10-CO-NH-
R10 p-Chlorphenoxymethyl, 2,4-Dioxo-imidazolidin-5-yl-
methyl, 2,4-Dioxo-imidazolidin-3-yl-methyl, 3-Pyridyl-
oxy-methyl, 3-Pyridyl-methoxy-methyl, 4-Pyridyl-
thiomethyl, 4-Pyridyl-sulfinyl-methyl, 4-Pyridyl-sulfonyl-
methyl, 2-Oxo-thiazolidin-4-yl, 5-Oxo-perhydro-
1,4-thiazin-3-yl, 5-Oxo-perhydro-1,4-thiazepin-3-yl,
5-Oxo-perhydro-1,4-thiazepin-1-oxid-3-yl, 5-Oxo-perhydro-
1,4-thiazepin-1,1-dioxid-3-yl, oder einen Rest
der Formel
R11 Wasserstoff oder einen Rest der Formel
In a further development of the invention of the main patent application, it was found that compounds of the formula I also
R 1 is methyl,
R 2 is hydrogen,
R is a radical of the formula and
R 3 is a radical of the formula R 10 -CO-NH- R 10 p-chlorophenoxymethyl, 2,4-dioxo-imidazolidin-5-yl-methyl, 2,4-dioxo-imidazolidin-3-yl-methyl, 3-pyridyl - oxy-methyl, 3-pyridyl-methoxy-methyl, 4-pyridyl-thiomethyl, 4-pyridyl-sulfinyl-methyl, 4-pyridyl-sulfonyl-methyl, 2-oxo-thiazolidin-4-yl, 5-oxo-perhydro - 1,4-thiazin-3-yl, 5-oxo-perhydro-1,4-thiazepin-3-yl, 5-oxo-perhydro-1,4-thiazepin-1-oxide-3-yl, 5-oxo -perhydro-1,4-thiazepin-1,1-dioxide-3-yl, or a radical of the formula R 11 is hydrogen or a radical of the formula
R12-CO-,R 12 -CO-,
R12 Wasserstoff, Alkyl mit 1 bis 5 C-Atomen, Alkoxy mit
1 bis 5 C-Atomen, Benzyl oder Benzyloxy
bedeuten, ebenfalls hochwirksame pharmakologische Eigenschaften
besitzen.R 12 is hydrogen, alkyl having 1 to 5 carbon atoms, alkoxy having 1 to 5 carbon atoms, benzyl or benzyloxy
mean also have highly effective pharmacological properties.
Die vorliegende Erfindung betrifft daher substituierte
4,5-Dihydro-3(2H)-pyridazinone der Formel Ia
wobei R10 die bereits genannte Bedeutung besitzt.
Die für R12 stehenden Alkyl- oder Alkoxyreste können
geradkettig oder verzweigt sein.The present invention therefore relates to substituted 4,5-dihydro-3 (2H) pyridazinones of the formula Ia where R 10 has the meaning already mentioned.
The alkyl or alkoxy radicals which represent R 12 can be straight-chain or branched.
Beispiele für den Rest R11 sind demnach: Wasserstoff, Formyl, Acetyl, Propionyl, Butyryl, Isobutyryl, Valeryl, Isovaleryl, Pivaloyl, Phenylacetyl, Methoxy-carbonyl, Ethoxy-carbonyl, Propoxy-carbonyl, Isopropoxy-carbonyl, Butoxy-carbonyl, Isobutoxy-carbonyl, tert.Butoxy-carbonyl, Benzyloxy-carbonyl. Für den Rest R11 sind Wasserstoff, Formyl, Acetyl, tert.Butoxy-carbonyl und Benzyloxy-carbonyl bevorzugt.Examples of the radical R 11 are accordingly: hydrogen, formyl, acetyl, propionyl, butyryl, isobutyryl, valeryl, isovaleryl, pivaloyl, phenylacetyl, methoxycarbonyl, ethoxycarbonyl, propoxycarbonyl, isopropoxycarbonyl, butoxycarbonyl, isobutoxy -carbonyl, tert-butoxy-carbonyl, benzyloxy-carbonyl. For the radical R 11 , hydrogen, formyl, acetyl, tert-butoxy-carbonyl and benzyloxy-carbonyl are preferred.
Die vorliegende Erfindung betrifft auch Verfahren zur Herstellung der Verbindungen der Formel Ia und ihre Verwendung als pharmazeutische Präparate.The present invention also relates to methods for Preparation of the compounds of formula Ia and their use as pharmaceutical preparations.
Die Verbindungen der Formel Ia lassen sich in Analogie zur Herstellung anderer Carbonsäureamide durch Acylierung von 6-(4-Aminophenyl)-4,5-dihydro-5-methyl-3(2H)-pyridazinon der Formel II mit Acylierungsmitteln, die den Acylrest R10-CO- einführen, herstellen. Bei dieser Acylierung wird ein Wasserstoffatom der Aminogruppe der Verbindung II durch den Rest R10-CO- ersetzt. Geeignete Acylierungsmittel sind z. B. Verbindungen der Formel IIIThe compounds of the formula Ia can be prepared analogously to the preparation of other carboxamides by acylation of 6- (4-aminophenyl) -4,5-dihydro-5-methyl-3 (2H) pyridazinone of the formula II with acylating agents that introduce the acyl radical R 10 -CO-. In this acylation, a hydrogen atom of the amino group of compound II is replaced by the radical R 10 -CO-. Suitable acylating agents are e.g. B. Compounds of Formula III
worin R10 die bereits genannte Bedeutung besitzt und X = Halogen, insbesondere -Cl oder -Br, -OH, -O-Alkyl, insbesondere mit 1 bis 5 C-Atomen, -O-CO-R10 oder -O-CO-O- Alkyl, insbesondere mit 1 bis 5 C-Atomen im Alkylrest, oder den über ein N-Atom gebundenen Rest eines Azols oder Benzazols mit mindestens 2 N-Atomen im quasi-aromatischen Fünfring bedeutet.in which R 10 has the meaning already mentioned and X = halogen, in particular -Cl or -Br, -OH, -O-alkyl, in particular with 1 to 5 C atoms, -O-CO-R 10 or -O-CO- O-alkyl, in particular with 1 to 5 carbon atoms in the alkyl radical, or the radical of an azole or benzazole bonded via an N atom with at least 2 N atoms in the quasi-aromatic five-membered ring.
Die Acylierungsmittel der Formel III stellen somit z. B. Carbonsäurehalogenide, insbesondere Carbonsäurechloride und Carbonsäurebromide, von denen die Carbonsäurechloride bevorzugt sind, Carbonsäuren, Carbonsäureester, Carbonsäureanhydride oder gemischte Carbonsäure-Kohlensäure- Anhydride oder heterocyclische Amide oder Azolide dar.The acylating agents of formula III thus represent z. B. Carboxylic acid halides, especially carboxylic acid chlorides and carboxylic acid bromides, of which the carboxylic acid chlorides carboxylic acids, carboxylic acid esters, carboxylic anhydrides are preferred or mixed carboxylic acid carbonic acid Anhydrides or heterocyclic amides or azolides.
Bei der Acylierung brauchen die Acylierungsmittel der Formel III, wobei X die angegebene Bedeutung mit Ausnahme von -OH besitzt, nicht unbedingt in reiner Form eingesetzt zu werden, sondern sie können auch kurz vor der Acylierungsreaktion oder während der Acylierungsreaktion in situ aus den Carbonsäuren der Formel IIIaIn acylation, the acylating agents need the Formula III, where X has the meaning given except of -OH, not necessarily used in pure form to become, but they can also just before Acylation reaction or during the acylation reaction in situ from the carboxylic acids of the formula IIIa
erzeugt werden. Das heißt, daß als Acylierungsmittel auch die Carbonsäuren der Formel IIIa verwendet werden können.be generated. That means that as an acylating agent too the carboxylic acids of formula IIIa can be used.
Falls als Acylierungsmittel die Carbonsäuren der Formel IIIa verwendet werden, ist der Zusatz eines Aktivierungsmittels zweckmäßig, das die Aufgabe hat, das Acylierungspotential der Carbonsäure zu erhöhen bzw. zu aktivieren.If the carboxylic acids of the formula as acylating agents IIIa used is the addition of an activating agent expedient, which has the task of the acylation potential to increase or activate the carboxylic acid.
Als derartige Aktivierungsmittel sind z. B. geeignet: a) wasserentziehende bzw. wasserbindende Mittel und b) solche Agenzien, welche die Carbonsäuren der Formel IIIa in die entsprechenden, als Acylierungsmittel wirkenden Säurehalogenide, Anhydride, Ester, gemischte Carbonsäure- Kohlensäure-Anhydride oder Azolide zu überführen vermögen.Such activators are such. B. suitable: a) dehydrating or water-binding agents and b) those agents which are the carboxylic acids of the formula IIIa into the corresponding acylating agents Acid halides, anhydrides, esters, mixed carboxylic acid Transfer carbonic anhydrides or azolides capital.
Als geeignete wasserbindende bzw. wasserentziehende Mittel kommen z. B. N,N′-disubstituierte Carbo-diimide der Formel IVAs a suitable water-binding or water-removing Funds come e.g. B. N, N'-disubstituted carbodiimides Formula IV
in Betracht, insbesondere dann, wenn der Rest R′ und gegebenenfalls auch der Rest R′′ ein sekundärer oder tertiärer Alkylrest ist (vgl. Methodicum Chimicum, Verlag G. Thieme Stuttgart, Bd. 6, (1974) S. 682). Geeignete Carbodi-imide sind z. B. Di-isopropyl-, Di-cyclohexyl- oder Methyl- tert.butyl-carbo-diimid. Bei der Durchführung der Acylierungsreaktion werden dann die Verbindung der Formel II und die Carbonsäure der Formel IIIa und das Carbo- diimid in einem geeigneten inerten Lösungs- oder Verdünnungsmittel zusammengegeben, wodurch sich das gewünschte Acylierungsprodukt der Formel Ia und aus dem Carbo-diimid der entsprechende disubstituierte Harnstoff bildet. into consideration, especially if the radical R 'and optionally the rest R '' is a secondary or tertiary Alkyl residue is (see Methodicum Chimicum, Verlag G. Thieme Stuttgart, Vol. 6, (1974) p. 682). Suitable carbodi-imides are z. B. di-isopropyl, di-cyclohexyl or methyl tert-butyl-carbodiimide. When performing the The acylation reaction then becomes the compound of the formula II and the carboxylic acid of formula IIIa and the carbo- diimide in a suitable inert solvent or diluent put together, whereby the desired Acylation product of the formula Ia and from the carbodiimide the corresponding disubstituted urea forms.
Beispiele für Agenzien, welche die Carbonsäuren der Formel IIIa in die entsprechende Halogenide, Carbonester, Anhydride, gemischte Carbonsäure-Kohlensäure-Anhydride oder Azolide überführen können, sind vor allem Kohlensäurederivate, wie z. B. Phosgen Cl-CO-Cl, Chlorameisensäureester Cl-CO-O-Alkyl, insbesondere mit 1 bis 5 C-Atomen im Alkylrest (vgl. z. B. Tetrahedron Letters 24 (1983) 3365), Kohlensäureester R′ ″-O-CO-O-R″ ″, wie z. B. N,N′- Disuccinimido-carbonat, Diphthalimido-carbonat, 1,1′-(Carbonyl- dioxy)-dibenzo-triazol oder Di-2-pyridyl-carbonat (vgl. z. B. Tetrahedron Letters, Vol. 25, No. 43, 4943-4946), gegebenenfalls in Anwesenheit geeigneter Katalysatoren, wie z. B. 4-Dimethylaminopyridin, oder heterocyclische Diamide der Kohlensäure der Formel A-CO-A, worin A ein über ein N-Atom gebundener Rest eines Azols mit mindestens 2 Stickstoffatomen im quasi-aromatischen Fünfring bedeutet. Geeignete derartige heterocyclische Diamide sind z. B. N,N′-Carbonyl-diimidazol, 2,2′-Carbonyl- ditriazol(1,2,3), 1,1′-Carbonyl-ditriazol(1,2,4), N,N′-Carbonyl- dipyrazol, 2,2′-Carbonyl-ditetrazol, N,N′-Carbonyl- benzimidazol oder N,N′-Carbonylbenztriazol. Diese Verbindungen werden im allgemeinen vor der eigentlichen Acylierung der Verbindung II mit der Carbonsäure der Formel IIIa in einem geeigneten Lösungs- oder Dispergierungsmittel in stöchiometrischen Verhältnissen bei Temperaturen von 0°C bis zum Siedepunkt des Lösungs- oder Verdünnungsmittels, normalerweise bei 10 bis 100°C, vorzugsweise 20 bis 80°C, vereinigt, wobei sich in wenigen Minuten das als eigentliches Acylierungsmittel wirkende Azolid der FormelExamples of agents which have the carboxylic acids of the formula IIIa in the corresponding halides, carboxylic esters, Anhydrides, mixed carbonic-carbonic anhydrides or convert azolides are primarily carbonic acid derivatives, such as B. Phosgene Cl-CO-Cl, chloroformate Cl-CO-O-alkyl, especially with 1 to 5 carbon atoms in the Alkyl radical (cf. e.g. Tetrahedron Letters 24 (1983) 3365), Carbonic acid ester R '″ -O-CO-O-R ″ ″, such as. B. N, N'- Disuccinimido carbonate, diphthalimido carbonate, 1,1 ′ - (carbonyl- dioxy) -dibenzo-triazole or di-2-pyridyl carbonate (cf. e.g. B. Tetrahedron Letters, Vol. 25, No. 43, 4943-4946), optionally in the presence of suitable catalysts, such as B. 4-dimethylaminopyridine, or heterocyclic Carbide diamides of the formula A-CO-A, wherein A is a residue of an azole bonded via an N atom with at least 2 nitrogen atoms in the quasi-aromatic five-membered ring means. Suitable such heterocyclic diamides are z. B. N, N'-carbonyl-diimidazole, 2,2'-carbonyl- ditriazole (1,2,3), 1,1'-carbonylditriazole (1,2,4), N, N'-carbonyl- dipyrazole, 2,2'-carbonyl-ditetrazole, N, N'-carbonyl- benzimidazole or N, N'-carbonylbenzotriazole. These connections are generally before the actual acylation the compound II with the carboxylic acid of the formula IIIa in a suitable solvent or dispersant in stoichiometric ratios at temperatures from 0 ° C to the boiling point of the solvent or diluent, normally at 10 to 100 ° C, preferably 20 to 80 ° C, combined, which in a few minutes Azolid which acts as the actual acylating agent formula
R10-CO-AR 10 -CO-A
bildet, wobei R10 und A die bereits genannten Bedeutungen besitzen. Dieses kann dann sofort im gleichen Topf zur Acylierung des Amins der Formel II verwendet werden (vgl. z. B. H.A. Staab, M. Lücking u. F.H. Dürr, Chem. Ber. 95, (1962), 1275, H.A. Staab und W. Rohr "Synthesen mit heterocyclischen Amiden (Azoliden)" in "Neuere Methoden der Präparativen Organischen Chemie", Band V, Verlag Chemie, 1967, S. 53 ff., insbesondere S. 68). Als N,N′-Carbonyl- diazol wird häufig das käufliche N,N′-Carbonyl-diimidazol verwendet. Die anderen N,N′-Carbonylazole sind aber aus dem jeweiligen Azol und Phosgen ebenfalls leicht zugänglich.forms, wherein R 10 and A have the meanings already mentioned. This can then be used immediately in the same pot for the acylation of the amine of the formula II (see, for example, BHA Staab, M. Lücking and FH Dürr, Chem. Ber. 95, (1962), 1275, HA Staab and W. Rohr "Syntheses with heterocyclic amides (azolides)" in "New Methods in Preparative Organic Chemistry", Volume V, Verlag Chemie, 1967, p. 53 ff., In particular p. 68). The commercial N, N'-carbonyl-diimidazole is often used as N, N'-carbonyl-diazole. The other N, N'-carbonylazoles are also easily accessible from the respective azole and phosgene.
Als Aktivierungsmittel für die Carbonsäuren der Formel IIIa können anstelle der Kohlensäurederivate häufig auch die entsprechenden Derivate der Oxalsäure, wie z. B. Oxalylchlorid Cl-CO-CO-Cl (vgl. z. B. GB-PS 21 39 725) oder N,N-Oxalyl-diazole A-CO-CO-A, wobei A die bereits genannte Bedeutung besitzt (vgl. z. B. Bull. Chem. Soc. Jap. 57, 3597-3598 (1984)) eingesetzt werden.As an activating agent for the carboxylic acids of the formula IIIa can often instead of carbonic acid derivatives the corresponding derivatives of oxalic acid, such as. B. oxalyl chloride Cl-CO-CO-Cl (see e.g. GB-PS 21 39 725) or N, N-oxalyldiazoles A-CO-CO-A, where A is the one already mentioned Has meaning (cf. e.g. Bull. Chem. Soc. Jap. 57, 3597-3598 (1984)) can be used.
Als Aktivierungsmittel für die Carbonsäuren IIIa sind jedoch auch andere Verbindungen, wie z. B. Methylethyl- phosphinsäureanhydrid (vgl. z. B. DE-OS 31 01 427) geeignet.As an activating agent for the carboxylic acids IIIa however, other connections, such as. B. methylethyl phosphinic anhydride (see, for example, DE-OS 31 01 427).
Die Umsetzung zwischen dem Acylierungsmittel und der Verbindung II wird zweckmäßigerweise in flüssiger Phase in Anwesenheit eines inerten Lösungs- oder Verdünnungsmittels durchgeführt.The reaction between the acylating agent and the compound II is conveniently in the liquid phase Presence of an inert solvent or diluent carried out.
Geeignete Lösungs- oder Verdünnungsmittel sind z. B. Alkohole, insbesondere solche mit 1 bis 6 C-Atomen, wie z. B. Methanol, Ethanol, i- und n-Propanol, i-, sec- und tert- Butanol, n-, i-, sec-, tert-Pentanol, n-Hexanol, Cyclopentanol, Cyclohexanol; Ether, insbesondere solche mit 2 bis 8 C-Atomen im Molekül, wie z. B. Diethylether, Methylethyl-ether, Di-n-propyl-ether, Di-isopropyl-ether, Methyl-n-butyl-ether, Ethylpropyl-ether, Di-butyl-ether, Tetrahydrofuran; 1,4-Dioxan, 1,2-Dimethoxyethan, Bis-β- methoxyethyl-ether; Polyether, wie z. B. Polyethylenglykole mit einem Molekulargewicht bis ca. 600; Oligoethylen- glycol-dimethyl-ether, wie z. B. Pentaglyme; Kronenether, d. h. cyclische Polymere des Ethylenglykols der Formel (-OCH2CH2)p, wobei p eine Zahl z. B. von 4 bis 10 ist, wobei an den Ring auch eine oder mehrere Benzolringe ankondensiert sein können; Aza- und Thia-kronenether (Coronand- amine und Coronand-sulfide); Glykole und teilweise veretherte Glykole, wie z. B. Ethylenglykol, Propylenglykol, Trimethylenglykol, Ethylenglykol-monomethyl-ether, Ethylenglykol-monoethyl-ether, Diethylenglykol-mono- ethyl-ether; aliphatische Kohlenwasserstoffe, wie z. B. Benzine, niedrig- und hochsiedende Petrolether; aromatische Kohlenwasserstoffe, wie z. B. Benzol, Toluol, o-, m- und p-Xylol, Pyridin; halogenierte aliphatische oder aromatische Kohlenwasserstoffe, wie z. B. Methylenchlorid, Chloroform, Tetrachlorkohlenstoff, Ethylenchlorid, Chlorbenzol, Dichlorbenzol; Nitrile, wie z. B. Acetonitril; Amide, wie z. B. Dimethylformamid, M-Methyl-pyrrolidon; Sulfoxide, wie z. B. Dimethyl-sulfoxid; Wasser. Auch Gemische verschiedener Lösungs- oder Verdünnungsmittel können verwendet werden.Suitable solvents or diluents are e.g. B. alcohols, especially those with 1 to 6 carbon atoms, such as. B. methanol, ethanol, i- and n-propanol, i-, sec- and tert-butanol, n-, i-, sec-, tert-pentanol, n-hexanol, cyclopentanol, cyclohexanol; Ethers, especially those with 2 to 8 carbon atoms in the molecule, such as. B. diethyl ether, methyl ethyl ether, di-n-propyl ether, di-isopropyl ether, methyl n-butyl ether, ethyl propyl ether, di-butyl ether, tetrahydrofuran; 1,4-dioxane, 1,2-dimethoxyethane, bis-β-methoxyethyl ether; Polyethers such as B. polyethylene glycols with a molecular weight of up to about 600; Oligoethylene glycol dimethyl ether, such as. B. Pentaglyme; Crown ethers, ie cyclic polymers of ethylene glycol of the formula (-OCH 2 CH 2 ) p , where p is a number z. B. is from 4 to 10, wherein one or more benzene rings can also be fused to the ring; Aza and thia crown ethers (coronand amines and coronand sulfides); Glycols and partially etherified glycols, such as. B. ethylene glycol, propylene glycol, trimethylene glycol, ethylene glycol monomethyl ether, ethylene glycol monoethyl ether, diethylene glycol monoethyl ether; aliphatic hydrocarbons, e.g. B. petrol, low and high boiling petroleum ether; aromatic hydrocarbons such as B. benzene, toluene, o-, m- and p-xylene, pyridine; halogenated aliphatic or aromatic hydrocarbons, such as. B. methylene chloride, chloroform, carbon tetrachloride, ethylene chloride, chlorobenzene, dichlorobenzene; Nitriles such as B. acetonitrile; Amides such as B. dimethylformamide, M-methyl-pyrrolidone; Sulfoxides such as B. dimethyl sulfoxide; Water. Mixtures of different solvents or diluents can also be used.
Die als Lösungs- oder Verdünnungsmittel angegebenen Alkohole, Glykole und teilweise veretherten Glykole sowie Wasser sind normalerweise nur für die Acylierung mit Carbonsäureestern geeignet, dagegen für die Durchführung der Acylierung mit anderen Acylierungsmitteln wegen der konkurierenden Bildung von Estern, Glykolestern oder Säuren nicht ausreichend inert und daher weniger geeignet.The alcohols given as solvents or diluents, Glycols and partially etherified glycols as well Water is usually only used for acylation Carboxylic acid esters suitable, however, for the implementation of acylation with other acylating agents because of competitive formation of esters, glycol esters or acids not sufficiently inert and therefore less suitable.
Das Molverhältnis zwischen der Verbindung der Formel II und dem Acylierungsmittel beträgt 1:1. Zweckmäßigerweise wird das Acylierungsmittel in einem geringen molaren Überschuß eingesetzt. Überschüsse von bis zu 30 mol% sind in der Regel ausreichend, d. h. das Molverhältnis zwischen der Verbindung der Formel II und dem Acylierungsmittel der Formel III beträgt normalerweie 1:(1 bis 1,3), vorzugsweise 1:(1 bis 1,2). Falls bei der Acylierungsreaktion eine Säure abgespalten wird, ist der Zusatz eines Säurefängers, wie z. B. eines Alkalihydroxids, wie z. B. Natrium-, Kalium- oder Lithium-hydroxids, eines tertiären organischen Amins, wie z. B. Pyridin oder Triethylamin zweckmäßig. Bei der Acylierungsreaktion können auch geeignete Katalysatoren, wie z. B. 4-Dimethylamino- pyridin, zugesetzt werden.The molar ratio between the compound of formula II and the acylating agent is 1: 1. Conveniently the acylating agent becomes in a low molar Excess used. There are excesses of up to 30 mol% usually sufficient, d. H. the molar ratio between the compound of formula II and the acylating agent Formula III is usually 1: (1 to 1.3), preferably 1: (1 to 1.2). If in the acylation reaction an acid is split off is the additive an acid scavenger, e.g. B. an alkali metal hydroxide, such as e.g. As sodium, potassium or lithium hydroxide, one tertiary organic amine, such as. B. pyridine or triethylamine expedient. In the acylation reaction also suitable catalysts, such as. B. 4-dimethylamino pyridine.
Die Umsetzung zwischen dem Acylierungsmittel und der Verbindung II kann prinzipiell bei Temperaturen zwischen -10°C und dem Siedepunkt des verwendeten Lösungs- oder Verdünnungsmittels erfolgen. In vielen Fällen wird die Umsetzung bei 0 bis 50°C, insbesondere bei 10 bis 30°C und vorzugsweise bei Raumtemperatur, durchgeführt.The reaction between the acylating agent and the Compound II can in principle at temperatures between -10 ° C and the boiling point of the solution or Diluent. In many cases Reaction at 0 to 50 ° C, especially at 10 to 30 ° C and preferably at room temperature.
Zur Herstellung von erfindungsgemäßen Verbindungen der Formel Ia, bei denen R11 Wasserstoff bedeutet, kann es zweckmäßig sein, zunächst eine Verbindung der Formel Ia herzustellen, bei der R11 einen Rest der Formel R12-CO- bedeutet, und diesen Rest anschließend in an sich bekannter Weise, z. B. durch Hydrierung oder Umsetzung mit Säuren oder Basen durch Wasserstoff zu ersetzen.To prepare compounds of the formula Ia according to the invention in which R 11 is hydrogen, it may be expedient first to prepare a compound of the formula Ia in which R 11 is a radical of the formula R 12 -CO-, and then this radical in an known way, e.g. B. by hydrogenation or reaction with acids or bases by hydrogen.
Sofern die als Acylierungsmittel eingesetzten Carbonsäurederivate ein Asymmetriezentrum besitzen, erhält man durch Umsetzung mit Verbindungen der Formel II diastereomere Amide. Eingesetzt wurden sowohl enantiomerenreine Carbonsäuren als auch Racemate. Erfindungsgemäße Verbindungen sind die erhaltenen Diastereomerengemische oder diastereomerenreine Amide, die durch Umkristallisation der bei Einsatz von enantiomerenreinen Carbonsäurederivaten erhaltenen Amide herstellbar sind.If the carboxylic acid derivatives used as acylating agents have an asymmetry center by reaction with compounds of the formula II diastereoisomers Amides. Both enantiomerically pure were used Carboxylic acids as well as racemates. Compounds according to the invention are the obtained diastereomer mixtures or diastereomerically pure amides by recrystallization that when using enantiomerically pure carboxylic acid derivatives amides obtained can be prepared.
Sofern die Verbindungen der Formel I basische Reste enthalten, bilden sie mit Säuren Säureadditionssalze. Zur Bildung derartiger Säureadditionssalze sind anorganische und organische Säuren geeignet. Geeignete Säuren sind beispielsweise: Chlorwasserstoff, Bromwasserstoff, Naphtalindisulfonsäuren, insbesondere 1,5-Naphthalindisulfonsäure, Phosphor-, Salpeter-, Schwefel-, Oxal-, Milch-, Wein-, Essig-, Salicyl-, Benzoe-, Ameisen-, Propion-, Pivalin-, Diethylessig-, Malon-, Bernstein-, Pimelin-, Fumar-, Malein-, Apfel-, Sulfamin-, Phenylpropion-, Glucon-, Ascorbin-, Isonicotin-, Methansulfon-, p-Toluolsulfon-, Zitronen- oder Adipin-Säure. Pharmakologisch annehmbare Säureadditionssalze werden bevorzugt. Die Säureadditionssalze können wie üblich durch Vereinigung der Komponenten, zweckmäßigerweise in einem geeigneten Lösungs- oder Verdünnungsmittel, hergestellt werden.If the compounds of formula I basic radicals contain, they form acid addition salts with acids. To Formation of such acid addition salts are inorganic and organic acids. Suitable acids are for example: hydrogen chloride, hydrogen bromide, naphthalene disulfonic acids, in particular 1,5-naphthalenedisulfonic acid, Phosphorus, nitric, sulfur, oxal, milk, Wine, vinegar, salicylic, benzoin, ants, propion, Pivaline, diethyl vinegar, malon, amber, pimeline, Fumaric, maleic, apple, sulfamine, phenylpropion, glucon, Ascorbin, isonicotine, methanesulfone, p-toluenesulfone, Lemon or adipic acid. Pharmacologically acceptable Acid addition salts are preferred. The acid addition salts can, as usual, by uniting the Components, suitably in a suitable solution or diluent.
Zweckmäßigerweise wird dabei die Verbindung der Formel I in einem organischen Lösungsmittel gelöst und mit einer Lösung der gewünschten Säure versetzt. So können beispielsweise die Hydrochloride der erfindungsgemäßen Pyridazinone der Formel I dadurch erhalten werden, daß die Verbindung I in Alkohol gelöst wird und die alkoholische Lösung mit einer äquivalenten Menge einer Lösung von Chlorwasserstoff in Diethylether versetzt wird.Appropriately, the compound of formula I dissolved in an organic solvent and with a Solution of the desired acid added. For example the hydrochlorides of the pyridazinones according to the invention of formula I are obtained in that the Compound I is dissolved in alcohol and the alcoholic Solution with an equivalent amount of a solution of Hydrogen chloride in diethyl ether is added.
Die erfindungsgemäßen 4,5-Dihydro-3(2H)-pyridazinonderivate der Formel I und ihre pharmakologisch annehmbaren Salze zeigen ausgeprägte antithrombotische, thrombozytenaggregationshemmende, antianginöse, kardiotone und blutdrucksenkende Wirkungen. Sie sind den bisher bekannten Verbindungen gleicher Wirkungsrichtung überraschenderweise erheblich überlegen und eignen sich daher vorzüglich zur Behandlung und Vorbeugung von Erkrankungen des Herzens und des Kreislaufsystems einschließlich thromboembolischer Erkrankungen. Sie zeigen eine ausgezeichnete Wirksamkeit in verschiedenartigen Tests, wie z. B. Thrombozytenaggregation nach Born, Nature 194, S. 927, (1961); Arachidonsäureletalität am Kaninchen, Science 193, S. 1085, (1974); arterielle und venöse Thromboseverhinderung bei Ratte und Kaninchen, günstiges hämodynamisches Profil nach per os-Applikation am wachen Hund. Die Prüfung in den genannten und einer Reihe weiterer Tests ergibt, daß die erfindungsgemäß herstellbaren Verbindungen bei geringer Toxizität überraschenderweise ein besonders günstiges, bei bekannten Präparaten in dieser Form nicht vorliegendes Wirkungsprofil aufweisen.The 4,5-dihydro-3 (2H) -pyridazinone derivatives according to the invention of formula I and its pharmacologically acceptable Salts show pronounced antithrombotic, platelet aggregation-inhibiting, antianginal, cardiotonic and hypotensive effects. They are the previously known Surprisingly, compounds of the same direction of action considerably superior and are therefore ideal for the treatment and prevention of diseases of the heart and circulatory system including thromboembolic disorders. They show an excellent Effectiveness in various tests, such as e.g. B. Born Platelet Aggregation, Nature 194, p. 927, (1961); Arachidonic acid mortality in rabbits, Science 193, p. 1085, (1974); arterial and venous Prevention of thrombosis in rats and rabbits, cheap hemodynamic profile after waking by os application Dog. The exam in the above and a number of others Tests have shown that those which can be produced according to the invention Surprisingly, compounds with low toxicity a particularly inexpensive, in known preparations in this Have shape not present impact profile.
Die erfindungsgemäßen 4,5-Dihydro-3(2H)-pyridazinone der Formel Ia und ihre pharmakologisch annehmbaren Säureadditionssalze können daher am Menschen als Heilmittel für sich allein, in Mischungen untereinander oder in Form von pharmazeutischen Zubereitungen verabreicht werden, die eine enterale oder parenterale Anwendung gestatten und die als aktiven Bestandteil eine wirksame Dosis mindestens einer Verbindung der Formel Ia oder eines Säureadditionssalzes davon, neben üblichen pharmazeutisch einwandfreien Träger- und Zusatzstoffen, enthalten.The 4,5-dihydro-3 (2H) -pyridazinones according to the invention Formula Ia and its pharmacologically acceptable acid addition salts can therefore be used as a remedy for alone, in mixtures with each other or in the form of pharmaceutical preparations are administered, the allow enteral or parenteral use and the effective dose is at least an effective dose a compound of formula Ia or an acid addition salt of which, besides usual pharmaceutically perfect ones Carriers and additives.
Die Heilmittel können oral, z. B. in Form von Pillen, Tabletten, Lacktabletten, Dragees, Hart- und Weichgelatinekapseln, Granulaten, Lösungen, Sirupen, Elixieren, Emulsionen oder Suspensionen oder Aerosolmischungen, verabreicht werden. Die Verabreichung kann aber auch rektal, z. B. in Form von Suppositorien, oder parenteral, z. B. in Form von Injektionslösungen, oder perkutan, z. B. in Form von Salben oder Tinkturen, erfolgen.The remedies can be taken orally, e.g. B. in the form of pills, tablets, Coated tablets, coated tablets, hard and soft gelatin capsules, Granules, solutions, syrups, elixirs, emulsions or suspensions or aerosol mixtures will. The administration can also be rectal, e.g. B. in the form of suppositories, or parenterally, e.g. B. in Forms of solutions for injection, or percutaneously, e.g. B. in the form ointments or tinctures.
Die pharmazeutischen Präparate werden in an sich bekannter Weise, z. B. durch Verstrecken der Wirkstoffe mit pharmazeutisch annehmbaren anorganischen und/oder organischen Trägerstoffen und/oder Lösungsmitteln hergestellt. Die pharmazeutischen Präparate können auch zwei oder mehrere Verbindungen der Formel Ia oder ihrer pharmakologisch annehmbaren Säureadditionssalze enthalten. Normalerweise enthalten die pharmazeutischen Präparate die therapeutisch wirksamen Verbindungen oder das Gemisch therapeutisch wirksamer Verbindungen in einer Konzentration von ca. 0,5 bis 90 Gew.% der Gesamtmischung.The pharmaceutical preparations are known per se Way, e.g. B. by stretching the active ingredients with pharmaceutically acceptable inorganic and / or organic Carriers and / or solvents produced. The pharmaceutical preparations can also have two or more Compounds of formula Ia or their pharmacological acceptable acid addition salts included. Usually the pharmaceutical preparations contain the therapeutically active compounds or the mixture therapeutically active compounds in a concentration from about 0.5 to 90% by weight of the total mixture.
Für die Herstellung von Pillen, Tabletten, Dragees, Hart- und Weichgelatinekapseln oder Granulaten kann man als Trägerstoffe z. B. natürliche Gesteinsmehle, wie z. B. Talkum, Tonerden, Kaoline, Kreide, synthetische Gesteinsmehle, wie z. B. Silikate, Kieselsäure, Zucker, wie z. B. Invert-, Trauben-, Milch-, Malz-, Frucht- oder Rohrzucker, Stärke oder Stärkederivate, wie z. B. Maisstärke, Kartoffelstärke, Gelatine, verwenden. Als Trägerstoffe für Weichgelatinekapseln und Suppositorien sind z. B. Fette, Wachse, Paraffine, wie z. B. Erdölfraktionen, natürliche Öle, wie z. B. Erdnuß- oder Sesamöl, gehärtete Öle, halbfeste und flüssige Polyole etc. geeignet. Als Trägerstoffe für die Herstellung von Lösungen und Sirupen eignen sich z. B. Wasser, Alkohole, Saccachrose, Invertzucker, Glukose, Polyole etc. Als Trägerstoffe für die Herstellung von Injektionslösungen eignen sich z. B. Wasser, Alkohole, Glykole, Glyzerin, Polyole, pflanzliche Öle etc.For the production of pills, tablets, coated tablets, Hard and soft gelatin capsules or granules can be used as carriers z. B. natural rock flour, such as. B. Talc, clays, kaolins, chalk, synthetic stone powder, such as B. silicates, silica, sugar, such as. B. Invert, grape, milk, malt, fruit or cane sugar, Starch or starch derivatives, such as. B. corn starch, Use potato starch, gelatin. As carriers for soft gelatin capsules and suppositories are e.g. B. fats, Waxes, paraffins, e.g. B. petroleum fractions, natural Oils such as B. peanut or sesame oil, hardened oils, semi-solid and liquid polyols etc. suitable. As carriers suitable for the production of solutions and syrups z. B. water, alcohols, sucrose, invert sugar, Glucose, polyols etc. As carriers for the production of injection solutions are suitable for. B. water, Alcohols, glycols, glycerin, polyols, vegetable oils Etc.
Die pharmazeutischen Präparate können in bekannter Weise neben den Wirk- und Trägerstoffen noch Zusatzstoffe, wie z. B. Füllstoffe, Streck-, Spreng-, Binde-, Gleit-, Netz-, Stabilisierungs-, Emulgier-, Dispergier-, Konservierungs-, Süß-, Färbe-, Geschmacks- oder Aromatisierungs-, Dickungs-, Verdünnungsmittel, Zuschlagstoffe, Puffersubstanzen, ferner Lösungsmittel, Hilfslösungsmittel oder Lösungsvermittler oder Mittel zur Erzielung eines Depoteffektes, sowie Salze zur Veränderung des osmotischen Drucks, Überzugsmittel oder Antioxidanten enthalten.The pharmaceutical preparations can be in a known manner in addition to the active ingredients and carriers, additives such as e.g. B. fillers, stretching, explosive, binding, sliding, mesh, Stabilizing, emulsifying, dispersing, preserving, Sweet, coloring, taste or flavoring, Thickening agents, thinners, additives, buffer substances, furthermore solvents, auxiliary solvents or Solution broker or means to achieve a deposit effect, and salts for changing the osmotic Contains pressure, coating agents or antioxidants.
Die tägliche Dosierung kann innerhalb weiter Grenzen, z. B. von 0,001 mg/kg Körpergewicht bis zu 20 mg/kg Körpergewicht variieren und ist in jedem einzelnen Fall den individuellen Gegebenheiten anzupassen.The daily dosage can be within wide limits, e.g. B. from 0.001 mg / kg body weight up to 20 mg / kg body weight vary and is the individual in each case adapt to individual circumstances.
Je nach Art der Applikation bewegt man sich innerhalb des genannten Dosierungsbereichs, um in bekannter Weise den unterschiedlichen Resorptionsbedingungen Rechnung zu tragen. So wählt man bei intravenöser Applikation eine Dosierung mehr im unteren Teil des angegebenen Dosierungsbereichs. Im allgemeinen wird man bei intravenöser Applikation tägliche Mengen von etwa 0,001 bis 1 mg/kg, vorzugsweise etwa 0,01 bis 0,5 mg/kg Körpergewicht zur Erzielung wirksamer Ergebnisse verabreichen. Bei oraler Applikation beträgt die tägliche Dosierung in der Regel etwa 0,01 bis 20 mg/kg, vorzugsweise 0,1 bis 10 mg/kg Körpergewicht. Gegebenenfalls kann es erforderlich werden, von den genannten Mengen abzuweichen. Bei der Verabreichung größerer Mengen ist es empfehlenswert, die Tagesdosis in mehrere, z. B. zwei oder drei über den Tagesverlauf verteilte Teilverabreichungen aufzuteilen.Depending on the type of application, one moves within the mentioned dosage range to the in a known manner different absorption conditions wear. How to choose a dosage for intravenous application more in the lower part of the specified dosage range. In general, intravenous administration daily amounts of about 0.001 to 1 mg / kg, preferably about 0.01 to 0.5 mg / kg body weight to achieve deliver more effective results. With oral Application is usually the daily dosage about 0.01 to 20 mg / kg, preferably 0.1 to 10 mg / kg Body weight. If necessary, it may be necessary to deviate from the stated amounts. When administered Larger amounts, it is recommended to take the daily dose in several, e.g. B. two or three over the course of the day to distribute distributed sub-administrations.
Die pharmazeutischen Präparate können neben den Verbindungen der allgemeinen Formel I auch noch eine oder mehrere andere pharmazeutisch wirksame Substanzen, beispielsweise durchblutungsfördernde Mittel, wie Dihydroergocristin, Nicergolin, Buphenin, Nicotinsäure und ihre Ester, Pyridylcarbinol, Bencyclan, Cinnarizin, Naftidrofuryl, Raubasin und Vincamin; positiv inotrope Verbindungen wie Digoxin, Acetyldigoxin, Metildigoxin und Lanato- Glykoside; Coronardilatatoren, wie Carbocromen, Dipyridamol, Nifedipin und Perhexilin; antianginöse Verbindungen wie Isosorbiddinitrat, Isosorbidmononitrat, Glyceroltrinitrat, Molsidomin und Verapamil; β-Blocker wie Propanolol, Oxprenolol, Atenolol, Metoprolol und Penbutolol und oogenmetabolischen Mitteln, wie Pirilinol, enthalten.In addition to the compounds, the pharmaceutical preparations can general formula I also one or more other pharmaceutically active substances, for example blood circulation promoting agents, such as dihydroergocristine, Nicergoline, buphenine, nicotinic acid and their Esters, pyridylcarbinol, bencyclan, cinnarizine, naftidrofuryl, Raubasin and Vincamin; positive inotropic compounds such as digoxin, acetyldigoxin, metildigoxin and lanato- Glycosides; Coronary dilators, such as carbocroms, dipyridamole, Nifedipine and perhexiline; antianginal compounds such as isosorbide dinitrate, isosorbide mononitrate, glycerol trinitrate, Molsidomin and Verapamil; β blockers like Propanolol, oxprenolol, atenolol, metoprolol and penbutolol and oogen metabolic agents such as pirilinol.
9,3 g (0,04 mol) 3-tert.Butyloxycarbonyl-L-thiazolidin-4- carbonsäure und 7,0 g (0,04 mol) 1,1′-Carbonyl-ditriazol- (1,2,4) werden in 15 ml N-Methylpyrrolidinon 15 min bei 60°C gerührt. Nach Zugabe von 7,1 g (0,035 mol) 6-(4-Aminophenyl)- 5-methyl-4,5-dihydro-3(2H)-pyridazinon wird 6 h bei Raumtemperatur gerührt, mit Wasser versetzt, extrahiert, mit Methanol kristallisiert und aus Methanol/ Essigsäureethylester umkristallisiert.9.3 g (0.04 mol) of 3-tert-butyloxycarbonyl-L-thiazolidine-4- carboxylic acid and 7.0 g (0.04 mol) of 1,1'-carbonyl-ditriazole (1,2,4) in 15 ml of N-methylpyrrolidinone at 15 min 60 ° C stirred. After adding 7.1 g (0.035 mol) of 6- (4-aminophenyl) - 5-methyl-4,5-dihydro-3 (2H) pyridazinone is 6 h stirred at room temperature, mixed with water, extracted, crystallized with methanol and from methanol / Acetate recrystallized.
Ausbeute: 6,5 g (39 % der Theorie), Fp: 200 bis 201°C Elementaranalyse C20H26N4O4S (418.52) Yield: 6.5 g (39% of theory), mp: 200 to 201 ° C elemental analysis C 20 H 26 N 4 O 4 S (418.52)
8,0 g (0,03 mol) 3-Benzyloxycarbonyl-L-thiazolidin-4- carbonsäure und 4,9 mg (0,03 mol) N,N′-Carbonyl-diimidazol werden in 10 ml Dimethylformamid 10 min bei 60°C gerührt. Nach Zugabe von 5,1 g (0,025 mol) 6-(4-Aminophenyl)-5- methyl-4,5-dihydro-3(2H)-pyridazinon wird 18 h bei Raumtemperatur gerührt, eingeengt, mit wäßriger Natriumhydrogencarbonatlösung versetzt, mit Methylenchlorid extrahiert und über eine Kieselgelsäule (Laufmittel: Methylenchlorid : Methanol = 95:5) chromatographiert.8.0 g (0.03 mol) of 3-benzyloxycarbonyl-L-thiazolidine-4- carboxylic acid and 4.9 mg (0.03 mol) of N, N'-carbonyl-diimidazole are stirred in 10 ml of dimethylformamide at 60 ° C for 10 min. After adding 5.1 g (0.025 mol) of 6- (4-aminophenyl) -5- methyl-4,5-dihydro-3 (2H) -pyridazinone is 18 h at room temperature stirred, concentrated, with aqueous sodium bicarbonate solution added, extracted with methylene chloride and over a silica gel column (eluent: methylene chloride : Methanol = 95: 5) chromatographed.
Ausbeute: 7,7 g (43 % der Theorie), Elementaranaylse C23H24N4O4S (452.54) Yield: 7.7 g (43% of theory), elemental analysis C 23 H 24 N 4 O 4 S (452.54)
Das N,N′-Carbonyl-diimidazol kann mit ähnlich gutem Erfolg durch eine äquivalente Menge 2,2′-Carbonyl-di-triazol (1,2,3), 1,1′-Carbonyl-di-triazol(1,2,4), 1,1′-Carbonyl- di-pyrazol, 2,2′-Carbonyl-di-tetrazol, N,N′-Carbonyl- di-benzimidazol oder N,N′-Carbonyl-di-benztriazol ersetzt werden.The N, N'-carbonyl-diimidazole can be similarly successful by an equivalent amount of 2,2'-carbonyl-di-triazole (1,2,3), 1,1'-carbonyl-di-triazole (1,2,4), 1,1'-carbonyl- di-pyrazole, 2,2'-carbonyl-di-tetrazole, N, N'-carbonyl- di-benzimidazole or N, N'-carbonyl-di-benzotriazole replaced will.
5,3 g (0,03 mol) 5-Oxo-perhydro-(1,4)-thiazepin-3-carbonsäure und 6,1 g (0,03 mol) N,N′-Carbonyl-diimidazol werden in 15 ml Dimethylformamid 15 min bei 50°C gerührt. Nach Zugabe von 4,9 g (0,03 mol) 6-(4-Amino-phenyl)-5- methyl-4,5-dihydro-3(2H)-pyridazinon wird 12 h bei Raumtemperatur gerührt, abgesaugt und getrocknet.5.3 g (0.03 mol) of 5-oxo-perhydro- (1,4) -thiazepine-3-carboxylic acid and 6.1 g (0.03 mol) of N, N'-carbonyl-diimidazole stirred in 15 ml of dimethylformamide at 50 ° C for 15 min. After adding 4.9 g (0.03 mol) of 6- (4-aminophenyl) -5- methyl-4,5-dihydro-3 (2H) -pyridazinone is 12 h at room temperature stirred, suction filtered and dried.
Ausbeute: 6,0 g (55 % der Theorie), Fp: 272 bis 274°C Elementaranalyse C17H20N4O3S (360.44) Yield: 6.0 g (55% of theory), mp: 272 to 274 ° C elemental analysis C 17 H 20 N 4 O 3 S (360.44)
7,5 g (0,032 mol) 3-tert.Butyloxycarbonyl-thiazolidin-2- carbonsäure und 5,2 g (0,032 mol) N,N′-Carbonyl-diimidazol werden in 50 ml Tetrahydrofuran 15 min unter Rückfluß erhitzt. Nach Zugabe von 6,1 g (0,03 mol) 6-(4-Amino-phenyl)- 5-methyl-4,5-dihydro-3(2H)-pyridazinon wird 18 h bei Raumtemperatur gerührt, eingeengt und mit Essigsäureethylester kristallisiert.7.5 g (0.032 mol) of 3-tert-butyloxycarbonyl-thiazolidine-2- carboxylic acid and 5.2 g (0.032 mol) of N, N'-carbonyl-diimidazole are refluxed in 50 ml of tetrahydrofuran for 15 min heated. After adding 6.1 g (0.03 mol) of 6- (4-aminophenyl) - 5-methyl-4,5-dihydro-3 (2H) -pyridazinone becomes 18 h at Stirred at room temperature, concentrated and with ethyl acetate crystallized.
Ausbeute: 4,8 g (38 % der Theorie), Fp: 225 bis 226°C Elementaranalyse C20H26N4O4S (418.52) Yield: 4.8 g (38% of theory), mp: 225 to 226 ° C elemental analysis C 20 H 26 N 4 O 4 S (418.52)
Zu 5,1 g (0,025 mol) 6-(4-Amino-phenyl)-5-methyl-4,5-dihydro- 3(2H)-pyridazinon in 20 ml Pyridin werden 0,1 g 4- Dimethylaminopyridin und 5,1 g (0,025 mol) 4-Chlorphenoxyacetylchlorid zugegeben. Man rührt 5 h bei Raumtemperatur, engt ein, versetzt mit Wasser und extrahiert mit Methylenchlorid.To 5.1 g (0.025 mol) of 6- (4-aminophenyl) -5-methyl-4,5-dihydro- 3 (2H) -pyridazinone in 20 ml pyridine 0.1 g 4- Dimethylaminopyridine and 5.1 g (0.025 mol) of 4-chlorophenoxyacetyl chloride admitted. The mixture is stirred for 5 hours at room temperature, concentrated, mixed with water and extracted with Methylene chloride.
Ausbeute: 6,0 g (65 % der Theorie), Fp: 226 bis 227°C Elementaranalyse C19H18ClN3O3 (371.82) Yield: 6.0 g (65% of theory), mp: 226 to 227 ° C elemental analysis C 19 H 18 ClN 3 O 3 (371.82)
4,2 g (0,01 mol) 6-(4-(3-tert.Butyloxycarbonyl-thiazolidin- 2-yl-carbonylamino)-phenyl)-5-methyl-4,5-dihydro- 3(2H)-pyridazinon werden bei 0°C mit 15 ml eiskalter Trifluoressigsäure versetzt. Man neutralisiert im Eisbad mit Natronlauge, stellt auf pH 4 mit Kaliumhydrogensulfatlösung und extrahiert mit Methylenchlorid. Nach Zugabe von methanolischer Salzsäure wird das ausgefallene Produkt abgesaugt und aus Isopropanol/Essigsäureethylester umkristallisiert.4.2 g (0.01 mol) of 6- (4- (3-tert-butyloxycarbonyl-thiazolidine 2-yl-carbonylamino) -phenyl) -5-methyl-4,5-dihydro- 3 (2H) -pyridazinone are at 0 ° C with 15 ml of ice-cold trifluoroacetic acid transferred. You neutralize in an ice bath with sodium hydroxide solution, adjust to pH 4 with potassium hydrogen sulfate solution and extracted with methylene chloride. After encore the precipitated product becomes from methanolic hydrochloric acid suctioned off and from isopropanol / ethyl acetate recrystallized.
Ausbeute: 1,9 g (54 % der Theorie), Fp: 233 bis 234°C Elementaranalyse C15H19ClN4O2S (354.86) Yield: 1.9 g (54% of theory), mp: 233 to 234 ° C elemental analysis C 15 H 19 ClN 4 O 2 S (354.86)
4,8 g (0,03 mol) Hydantoyl-3-essigsäure und 4,9 (0,03 mol) Carbonyldiimidazol werden in 20 ml Toluol 15 min bei 80°C gerührt. Nach Zugabe von 6,1 g (0,03 mol) 6-(4-Amino- phenyl)-5-methyl-4,5-dihydro-3(2H)-pyridazinon wird 24 h bei Raumtemperatur weitergerührt, mit Isopropanol ausgefällt, abgesaugt und über eine Kieselgelsäule (Laufmittel Methylenchlorid:Methanol = 9:1) chromatographiert.4.8 g (0.03 mol) of hydantoyl-3-acetic acid and 4.9 (0.03 mol) carbonyldiimidazole in 20 ml of toluene for 15 min 80 ° C stirred. After adding 6.1 g (0.03 mol) of 6- (4-amino phenyl) -5-methyl-4,5-dihydro-3 (2H) -pyridazinone turns 24 h continued stirring at room temperature, precipitated with isopropanol, suctioned off and over a silica gel column (mobile phase Methylene chloride: methanol = 9: 1) chromatographed.
Ausbeute: 1,5 g (15 % der Theorie) Elementaranalyse C16H17N5O4 (343.34) Yield: 1.5 g (15% of theory) Elemental analysis C 16 H 17 N 5 O 4 (343.34)
3,4 g (0,02 mol) S-4-Pyridylmercapto-essigsäure und 3,3 g (0,02 mol) N,N′Carbonyldiimidazol werden in 20 ml Dimethylformamid (DMF) 15 min bei 60°C gerührt. Nach Zugabe von 4,1 g (0,02 mol) 6-(4-Amino-phenyl)-5-methyl-4,5-dihydro- 3(2H)-pyridazinon wird 5 h bei Raumtemperatur gerührt, mit Wasser versetzt und abgesaugt.3.4 g (0.02 mol) of S-4-pyridylmercaptoacetic acid and 3.3 g (0.02 mol) N, N'carbonyldiimidazole in 20 ml of dimethylformamide (DMF) stirred at 60 ° C for 15 min. After encore 4.1 g (0.02 mol) of 6- (4-aminophenyl) -5-methyl-4,5-dihydro- 3 (2H) -pyridazinone is stirred for 5 h at room temperature, mixed with water and suctioned off.
Das Produkt wird in 96 %igem Ethanol gelöst, filtriert, mit ethanolischer Salzsäure versetzt und abgesaugt.The product is dissolved in 96% ethanol, filtered, mixed with ethanolic hydrochloric acid and suction filtered.
Ausbeute: 5,8 g (74 % der Theorie), Fp: 278 bis 280°C Elementaranalyse C18H19ClN4O2S (390.89) Yield: 5.8 g (74% of theory), mp: 278 to 280 ° C elemental analysis C 18 H 19 ClN 4 O 2 S (390.89)
3,2 g (0,02 mol) Hydantoyl-5-essigsäure und 3,3 g (0,02 mol) N,N′-Carbonyldimidazol werden in 10 ml Dimethylsulfoxid 10 min bei Raumtemperatur gerührt. Nach Zugabe von 4,1 g (0,02 mol) 6-(4-Aminophenyl)-5-methyl-4,5-dihydro- 3(2H)-pyridazinon wird 24 h weitergerührt, mit Wasser versetzt und abgesaugt und aus Essigsäue umkristallisiert.3.2 g (0.02 mol) of hydantoyl-5-acetic acid and 3.3 g (0.02 mol) N, N'-carbonyldimidazole in 10 ml of dimethyl sulfoxide Stirred for 10 min at room temperature. After adding 4.1 g (0.02 mol) of 6- (4-aminophenyl) -5-methyl-4,5-dihydro- 3 (2H) -pyridazinone is stirred for a further 24 h, with water added and suction filtered and recrystallized from acetic acid.
Ausbeute: 2,5 g (36 % der Theorie), Fp: 267 bis 270°C Elementaranalyse C16H17N5O4 (343.34) Yield: 2.5 g (36% of theory), mp: 267 to 270 ° C elemental analysis C 16 H 17 N 5 O 4 (343.34)
Analog den vorstehenden Beispielen lassen sich die in den nachfolgenden Beispielen angegebenen Verbindungen herstellen:Analogous to the examples above, the Produce the following specified examples:
Lösungsmittel: DioxanSolvent: dioxane
Ausbeute: 53 % der TheorieYield: 53% of theory
Lösungsmittel: TetrahydrofuranSolvent: tetrahydrofuran
Ausbeute: 68 % der Theorie Yield: 68% of theory
Lösungsmittel: DimethylformamidSolvent: dimethylformamide
Ausbeute: 71 % der TheorieYield: 71% of theory
Lösungsmittel: Ethylenglykoldimethylether
Ausbeute: 42 % der TheorieSolvent: ethylene glycol dimethyl ether
Yield: 42% of theory
Lösungsmittel: DiethylenglykoldimethyletherSolvent: diethylene glycol dimethyl ether
Ausbeute: 49 % der TheorieYield: 49% of theory
Lösungsmittel: DimethylsulfoxidSolvent: dimethyl sulfoxide
Ausbeute: 27 % der TheorieYield: 27% of theory
Lösungsmittel: MethylenchloridSolvent: methylene chloride
Ausbeute: 79 % der Theorie Yield: 79% of theory
Lösungsmittel: HexamethylphosphorsäuretriamidSolvent: hexamethylphosphoric triamide
Ausbeute: 65 % der TheorieYield: 65% of theory
Lösungsmittel: MethanolSolvent: methanol
Ausbeute: 25 % der TheorieYield: 25% of theory
Lösungsmittel: ChlorbenzolSolvent: chlorobenzene
Ausbeute: 32 % der TheorieYield: 32% of theory
Lösungsmittel: EthanolSolvent: ethanol
Ausbeute: 39 % der TheorieYield: 39% of theory
Lösungsmittel: DimethylformamidSolvent: dimethylformamide
Ausbeute: 84 % der TheorieYield: 84% of theory
Lösungsmittel: AcetonitrilSolvent: acetonitrile
Ausbeute: 61 % der TheorieYield: 61% of theory
Lösungsmittel: PyiridinSolvent: pyiridine
Ausbeute: 75 % der TheorieYield: 75% of theory
Lösungsmittel: EthylenglykolmonomethyletherSolvent: ethylene glycol monomethyl ether
Ausbeute: 42 % der TheorieYield: 42% of theory
Lösungsmittel: DioxanSolvent: dioxane
Ausbeute: 67 % der TheorieYield: 67% of theory
Lösungsmittel: N-MethylpyrrolidonSolvent: N-methylpyrrolidone
Ausbeute: 48 % der TheorieYield: 48% of theory
Die folgenden Beispiele veranschaulichen die Zusammensetzung von Zubereitungen der erfindungsgemäßen 4,5-Dihydro- 3(2H)-pyridazinone. The following examples illustrate the composition of preparations of the 4,5-dihydro according to the invention 3 (2H) pyridazinones.
Claims (7)
R1 Methyl,
R2 Wasserstoff,
R einen Rest der Formel und
R3 einen Rest der Formel R10-CO-NH-R10 p-Chlorphenoxymethyl, 2,4-Dioxo-imidazolidin-5-yl- methyl, 2,4-Dioxo-imidazolidin-3-yl-methyl, 3-Pyridyl- oxy-methyl, 3-Pyridyl-methoxy-methyl, 4-Pyridyl- thiomethyl, 4-Pyridyl-sulfinyl-methyl, 4-Pyridyl-sulfonyl- methyl, 2-Oxo-thiazolidin-4-yl, 5-Oxo-perhydro- 1,4-thiazin-3-yl, 5-Oxo-perhydro-1,4-thiazepin-3-yl, 5-Oxo-perhydro-1,4-thiazepin-1-oxid-3-yl, 5-Oxo-perhydro- 1,4-thiazepin-1,1-dioxid-3-yl, oder einen Rest der Formel R11 Wasserstoff oder einen Rest der FormelR12-CO-,R12 Wasserstoff, Alkyl mit 1 bis 5 C-Atomen, Alkoxy mit 1 bis 5 C-Atomen, Benzyl oder Benzyloxy
bedeuten.1. 4,5-dihydro-3 (2H) -pyridazinones of the formula I according to the main German patent application P 34 34 680.5 characterized in that
R 1 is methyl,
R 2 is hydrogen,
R is a radical of the formula and
R 3 is a radical of the formula R 10 -CO-NH-R 10 p-chlorophenoxymethyl, 2,4-dioxo-imidazolidin-5-yl-methyl, 2,4-dioxo-imidazolidin-3-yl-methyl, 3-pyridyl - oxy-methyl, 3-pyridyl-methoxy-methyl, 4-pyridyl-thiomethyl, 4-pyridyl-sulfinyl-methyl, 4-pyridyl-sulfonyl-methyl, 2-oxo-thiazolidin-4-yl, 5-oxo-perhydro - 1,4-thiazin-3-yl, 5-oxo-perhydro-1,4-thiazepin-3-yl, 5-oxo-perhydro-1,4-thiazepin-1-oxide-3-yl, 5-oxo -perhydro-1,4-thiazepin-1,1-dioxide-3-yl, or a radical of the formula R 11 is hydrogen or a radical of the formula R 12 -CO-, R 12 is hydrogen, alkyl having 1 to 5 carbon atoms, alkoxy having 1 to 5 carbon atoms, benzyl or benzyloxy
mean.
s,P:CHE mit einem Acylierungsmittel, das den Acylrest R10-CO- einführt, umgesetzt wird.3. Analogous process for the preparation of the 4,5-dihydro-3 (2H) -pyridazinones specified in claims 1 or 2, characterized in that 6- (4-aminophenyl) -4,5-dihydro-3 (2H) -pyridazinone of formula II
s, P: CHE is reacted with an acylating agent which introduces the acyl radical R 10 -CO-.
Priority Applications (14)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19853522193 DE3522193A1 (en) | 1985-06-21 | 1985-06-21 | 4,5-Dihydro-3(2H)-pyridazinones, processes for their preparation and their use |
| US06/775,420 US4816454A (en) | 1984-09-21 | 1985-09-12 | 4,5-dihydro-3(2H)-pyridazinones and their pharmacological use |
| DK417185A DK417185A (en) | 1984-09-21 | 1985-09-13 | 4,5-DIHYDRO-3 (2H) -PYRIDAZINONES, METHOD OF PREPARING THEREFORE USING THEIR USE |
| FI853519A FI853519L (en) | 1984-09-21 | 1985-09-13 | PROCEDURE FOR FRAMSTAELLNING AV 4,5-DIHYDRO-3 (2H) -PYRIDAZINONE AND DESSIVES. |
| DE8585111838T DE3575421D1 (en) | 1984-09-21 | 1985-09-19 | 4, 5-DIHYDRO-3 (2H) -PYRIDAZINONE, METHOD FOR THE PRODUCTION THEREOF AND THEIR USE. |
| AT85111838T ATE49594T1 (en) | 1984-09-21 | 1985-09-19 | 4, 5-DIHYDRO-3(2H)-PYRIDAZINONES, PROCESS FOR THEIR PREPARATION AND USE. |
| GR852277A GR852277B (en) | 1984-09-21 | 1985-09-19 | |
| EP85111838A EP0175363B1 (en) | 1984-09-21 | 1985-09-19 | 4,5-dihydro-3(2h)-pyridazinones, process for their preparation and their use |
| IL76439A IL76439A0 (en) | 1984-09-21 | 1985-09-20 | Substituted 4,5-dihydro-3-(2h)-pyridazinones,their preparation and pharmaceutical compositions containing them |
| HU853555A HUT40646A (en) | 1984-09-21 | 1985-09-20 | Process for preparing 4,5-dihydro-3(2h)-pyridazinones and pharmaceutical preparations containing these compounds |
| ES547169A ES8605492A1 (en) | 1984-09-21 | 1985-09-20 | 4,5-Dihydro-3(2H)-pyridazinones, process for their preparation and their use. |
| KR1019850006890A KR920010070B1 (en) | 1984-09-21 | 1985-09-20 | Method for preparing 4,5-dihydro-3 (2H) -pyridazinone |
| PT81173A PT81173A (en) | 1984-09-21 | 1985-09-20 | 4,5-DIHYDRO-3 (2H) -PYRIDAZINONA PROCESS FOR THEIR PREPARATION AND ITS USE |
| AU47661/85A AU4766185A (en) | 1984-09-21 | 1985-09-20 | 4,5-dihydro-3(2h)-pyridazinones and intermediates |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19853522193 DE3522193A1 (en) | 1985-06-21 | 1985-06-21 | 4,5-Dihydro-3(2H)-pyridazinones, processes for their preparation and their use |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE3522193A1 true DE3522193A1 (en) | 1987-01-02 |
Family
ID=6273806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19853522193 Withdrawn DE3522193A1 (en) | 1984-09-21 | 1985-06-21 | 4,5-Dihydro-3(2H)-pyridazinones, processes for their preparation and their use |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE3522193A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3902316A1 (en) * | 1989-01-26 | 1990-08-02 | Lentia Gmbh | Novel piperazinylalkyl-3(2H)-pyridazinones, process for their preparation and their use as hypotensive agents |
-
1985
- 1985-06-21 DE DE19853522193 patent/DE3522193A1/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3902316A1 (en) * | 1989-01-26 | 1990-08-02 | Lentia Gmbh | Novel piperazinylalkyl-3(2H)-pyridazinones, process for their preparation and their use as hypotensive agents |
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