JPS6338994B2 - - Google Patents
Info
- Publication number
- JPS6338994B2 JPS6338994B2 JP17178980A JP17178980A JPS6338994B2 JP S6338994 B2 JPS6338994 B2 JP S6338994B2 JP 17178980 A JP17178980 A JP 17178980A JP 17178980 A JP17178980 A JP 17178980A JP S6338994 B2 JPS6338994 B2 JP S6338994B2
- Authority
- JP
- Japan
- Prior art keywords
- mol
- pyridazinone
- phenyl
- reaction
- reduced pressure
- 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.)
- Expired
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 37
- AAILEWXSEQLMNI-UHFFFAOYSA-N 1h-pyridazin-6-one Chemical class OC1=CC=CN=N1 AAILEWXSEQLMNI-UHFFFAOYSA-N 0.000 claims description 21
- -1 2-substituted-3(2H)-pyridazinone Chemical class 0.000 claims description 9
- 150000001875 compounds Chemical class 0.000 claims description 8
- 239000002904 solvent Substances 0.000 claims description 8
- 150000008044 alkali metal hydroxides Chemical class 0.000 claims description 4
- 125000005843 halogen group Chemical group 0.000 claims description 4
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 4
- 150000004010 onium ions Chemical class 0.000 claims description 4
- 239000003960 organic solvent Substances 0.000 claims description 4
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 4
- 229940100198 alkylating agent Drugs 0.000 claims description 3
- 239000002168 alkylating agent Substances 0.000 claims description 3
- 229920000570 polyether Polymers 0.000 claims description 3
- 125000001424 substituent group Chemical group 0.000 claims description 3
- 125000000217 alkyl group Chemical group 0.000 claims description 2
- 230000003197 catalytic effect Effects 0.000 claims description 2
- 125000003754 ethoxycarbonyl group Chemical group C(=O)(OCC)* 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 125000002560 nitrile group Chemical group 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims description 2
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims description 2
- 239000003513 alkali Substances 0.000 claims 1
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 78
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 63
- 238000006243 chemical reaction Methods 0.000 description 54
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 32
- 239000012044 organic layer Substances 0.000 description 29
- XYFCBTPGUUZFHI-UHFFFAOYSA-N Phosphine Chemical compound P XYFCBTPGUUZFHI-UHFFFAOYSA-N 0.000 description 27
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 24
- IJUIPRDMWWBTTQ-UHFFFAOYSA-N 3-phenyl-1h-pyridazin-6-one Chemical compound N1C(=O)C=CC(C=2C=CC=CC=2)=N1 IJUIPRDMWWBTTQ-UHFFFAOYSA-N 0.000 description 21
- 239000000203 mixture Substances 0.000 description 20
- 239000010446 mirabilite Substances 0.000 description 19
- JRMUNVKIHCOMHV-UHFFFAOYSA-M tetrabutylammonium bromide Chemical compound [Br-].CCCC[N+](CCCC)(CCCC)CCCC JRMUNVKIHCOMHV-UHFFFAOYSA-M 0.000 description 19
- 238000001035 drying Methods 0.000 description 18
- RSIJVJUOQBWMIM-UHFFFAOYSA-L sodium sulfate decahydrate Chemical compound O.O.O.O.O.O.O.O.O.O.[Na+].[Na+].[O-]S([O-])(=O)=O RSIJVJUOQBWMIM-UHFFFAOYSA-L 0.000 description 18
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 15
- 238000003756 stirring Methods 0.000 description 15
- 238000002844 melting Methods 0.000 description 13
- 230000008018 melting Effects 0.000 description 13
- 239000003921 oil Substances 0.000 description 13
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 12
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 10
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 10
- ZAFNJMIOTHYJRJ-UHFFFAOYSA-N Diisopropyl ether Chemical compound CC(C)OC(C)C ZAFNJMIOTHYJRJ-UHFFFAOYSA-N 0.000 description 9
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 9
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 9
- 238000009835 boiling Methods 0.000 description 9
- 229910052938 sodium sulfate Inorganic materials 0.000 description 8
- 235000011152 sodium sulphate Nutrition 0.000 description 8
- VKJCJJYNVIYVQR-UHFFFAOYSA-N 2-(3-bromopropyl)isoindole-1,3-dione Chemical compound C1=CC=C2C(=O)N(CCCBr)C(=O)C2=C1 VKJCJJYNVIYVQR-UHFFFAOYSA-N 0.000 description 6
- QZWIXLPWMGHDDD-UHFFFAOYSA-N 3-methyl-1h-pyridazin-6-one Chemical compound CC1=CC=C(O)N=N1 QZWIXLPWMGHDDD-UHFFFAOYSA-N 0.000 description 6
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 6
- SHFJWMWCIHQNCP-UHFFFAOYSA-M hydron;tetrabutylazanium;sulfate Chemical compound OS([O-])(=O)=O.CCCC[N+](CCCC)(CCCC)CCCC SHFJWMWCIHQNCP-UHFFFAOYSA-M 0.000 description 5
- XKJCHHZQLQNZHY-UHFFFAOYSA-N phthalimide Chemical compound C1=CC=C2C(=O)NC(=O)C2=C1 XKJCHHZQLQNZHY-UHFFFAOYSA-N 0.000 description 5
- HTZCNXWZYVXIMZ-UHFFFAOYSA-M benzyl(triethyl)azanium;chloride Chemical compound [Cl-].CC[N+](CC)(CC)CC1=CC=CC=C1 HTZCNXWZYVXIMZ-UHFFFAOYSA-M 0.000 description 4
- QARVLSVVCXYDNA-UHFFFAOYSA-N bromobenzene Chemical compound BrC1=CC=CC=C1 QARVLSVVCXYDNA-UHFFFAOYSA-N 0.000 description 4
- 238000004821 distillation Methods 0.000 description 4
- 239000003444 phase transfer catalyst Substances 0.000 description 4
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 4
- 229910052736 halogen Inorganic materials 0.000 description 3
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 3
- PAAZPARNPHGIKF-UHFFFAOYSA-N 1,2-dibromoethane Chemical compound BrCCBr PAAZPARNPHGIKF-UHFFFAOYSA-N 0.000 description 2
- VEFLKXRACNJHOV-UHFFFAOYSA-N 1,3-dibromopropane Chemical compound BrCCCBr VEFLKXRACNJHOV-UHFFFAOYSA-N 0.000 description 2
- ULTHEAFYOOPTTB-UHFFFAOYSA-N 1,4-dibromobutane Chemical compound BrCCCCBr ULTHEAFYOOPTTB-UHFFFAOYSA-N 0.000 description 2
- IBODDUNKEPPBKW-UHFFFAOYSA-N 1,5-dibromopentane Chemical compound BrCCCCCBr IBODDUNKEPPBKW-UHFFFAOYSA-N 0.000 description 2
- SGRHVVLXEBNBDV-UHFFFAOYSA-N 1,6-dibromohexane Chemical compound BrCCCCCCBr SGRHVVLXEBNBDV-UHFFFAOYSA-N 0.000 description 2
- XEZNGIUYQVAUSS-UHFFFAOYSA-N 18-crown-6 Chemical compound C1COCCOCCOCCOCCOCCO1 XEZNGIUYQVAUSS-UHFFFAOYSA-N 0.000 description 2
- CHZXTOCAICMPQR-UHFFFAOYSA-N 2-(2-bromoethyl)isoindole-1,3-dione Chemical compound C1=CC=C2C(=O)N(CCBr)C(=O)C2=C1 CHZXTOCAICMPQR-UHFFFAOYSA-N 0.000 description 2
- UXFWTIGUWHJKDD-UHFFFAOYSA-N 2-(4-bromobutyl)isoindole-1,3-dione Chemical compound C1=CC=C2C(=O)N(CCCCBr)C(=O)C2=C1 UXFWTIGUWHJKDD-UHFFFAOYSA-N 0.000 description 2
- QKVHAKICMNABGB-UHFFFAOYSA-N 2-(5-bromopentyl)isoindole-1,3-dione Chemical compound C1=CC=C2C(=O)N(CCCCCBr)C(=O)C2=C1 QKVHAKICMNABGB-UHFFFAOYSA-N 0.000 description 2
- OAZFTIPKNPTDIO-UHFFFAOYSA-N 2-(6-bromohexyl)isoindole-1,3-dione Chemical compound C1=CC=C2C(=O)N(CCCCCCBr)C(=O)C2=C1 OAZFTIPKNPTDIO-UHFFFAOYSA-N 0.000 description 2
- WMPPDTMATNBGJN-UHFFFAOYSA-N 2-phenylethylbromide Chemical compound BrCCC1=CC=CC=C1 WMPPDTMATNBGJN-UHFFFAOYSA-N 0.000 description 2
- HEKMSRLHSLEVMF-UHFFFAOYSA-N 3-(4-methoxyphenyl)-1h-pyridazin-6-one Chemical compound C1=CC(OC)=CC=C1C1=NNC(=O)C=C1 HEKMSRLHSLEVMF-UHFFFAOYSA-N 0.000 description 2
- LARMXWJBFDZFNL-UHFFFAOYSA-N 3-(4-methylphenyl)-1h-pyridazin-6-one Chemical compound C1=CC(C)=CC=C1C1=CC=C(O)N=N1 LARMXWJBFDZFNL-UHFFFAOYSA-N 0.000 description 2
- CQPGDDAKTTWVDD-UHFFFAOYSA-N 4-bromobutanenitrile Chemical compound BrCCCC#N CQPGDDAKTTWVDD-UHFFFAOYSA-N 0.000 description 2
- NWWWGAKVHCSAEU-UHFFFAOYSA-N 5-bromopentanenitrile Chemical compound BrCCCCC#N NWWWGAKVHCSAEU-UHFFFAOYSA-N 0.000 description 2
- HNZITGUYCFHIMD-UHFFFAOYSA-N 5-methyl-3-phenyl-1h-pyridazin-6-one Chemical compound N1C(=O)C(C)=CC(C=2C=CC=CC=2)=N1 HNZITGUYCFHIMD-UHFFFAOYSA-N 0.000 description 2
- PHOSWLARCIBBJZ-UHFFFAOYSA-N 6-bromohexanenitrile Chemical compound BrCCCCCC#N PHOSWLARCIBBJZ-UHFFFAOYSA-N 0.000 description 2
- HVVQSKCGHAPHMV-UHFFFAOYSA-N 7-bromoheptanenitrile Chemical compound BrCCCCCCC#N HVVQSKCGHAPHMV-UHFFFAOYSA-N 0.000 description 2
- LZZYPRNAOMGNLH-UHFFFAOYSA-M Cetrimonium bromide Chemical compound [Br-].CCCCCCCCCCCCCCCC[N+](C)(C)C LZZYPRNAOMGNLH-UHFFFAOYSA-M 0.000 description 2
- BHELZAPQIKSEDF-UHFFFAOYSA-N allyl bromide Chemical compound BrCC=C BHELZAPQIKSEDF-UHFFFAOYSA-N 0.000 description 2
- AGEZXYOZHKGVCM-UHFFFAOYSA-N benzyl bromide Chemical compound BrCC1=CC=CC=C1 AGEZXYOZHKGVCM-UHFFFAOYSA-N 0.000 description 2
- 239000012230 colorless oil Substances 0.000 description 2
- PQJJJMRNHATNKG-UHFFFAOYSA-N ethyl bromoacetate Chemical compound CCOC(=O)CBr PQJJJMRNHATNKG-UHFFFAOYSA-N 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- INQOMBQAUSQDDS-UHFFFAOYSA-N iodomethane Chemical compound IC INQOMBQAUSQDDS-UHFFFAOYSA-N 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 238000007086 side reaction Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- NHGXDBSUJJNIRV-UHFFFAOYSA-M tetrabutylammonium chloride Chemical compound [Cl-].CCCC[N+](CCCC)(CCCC)CCCC NHGXDBSUJJNIRV-UHFFFAOYSA-M 0.000 description 2
- RKHXQBLJXBGEKF-UHFFFAOYSA-M tetrabutylphosphanium;bromide Chemical compound [Br-].CCCC[P+](CCCC)(CCCC)CCCC RKHXQBLJXBGEKF-UHFFFAOYSA-M 0.000 description 2
- RYVBINGWVJJDPU-UHFFFAOYSA-M tributyl(hexadecyl)phosphanium;bromide Chemical compound [Br-].CCCCCCCCCCCCCCCC[P+](CCCC)(CCCC)CCCC RYVBINGWVJJDPU-UHFFFAOYSA-M 0.000 description 2
- HNTGIJLWHDPAFN-UHFFFAOYSA-N 1-bromohexadecane Chemical compound CCCCCCCCCCCCCCCCBr HNTGIJLWHDPAFN-UHFFFAOYSA-N 0.000 description 1
- VMKOFRJSULQZRM-UHFFFAOYSA-N 1-bromooctane Chemical compound CCCCCCCCBr VMKOFRJSULQZRM-UHFFFAOYSA-N 0.000 description 1
- LWDNUMJAXHNKAZ-UHFFFAOYSA-N 2-benzyl-6-phenylpyridazin-3-one Chemical compound O=C1C=CC(C=2C=CC=CC=2)=NN1CC1=CC=CC=C1 LWDNUMJAXHNKAZ-UHFFFAOYSA-N 0.000 description 1
- BFOMTEBFEFQJHY-UHFFFAOYSA-N 2-phenylpyridazin-3-one Chemical compound O=C1C=CC=NN1C1=CC=CC=C1 BFOMTEBFEFQJHY-UHFFFAOYSA-N 0.000 description 1
- HALBJPGFCUGLFM-UHFFFAOYSA-N 3-(4-chlorophenyl)-1h-pyridazin-6-one Chemical compound C1=CC(Cl)=CC=C1C1=NNC(=O)C=C1 HALBJPGFCUGLFM-UHFFFAOYSA-N 0.000 description 1
- MMDFKVYPOQFQHP-UHFFFAOYSA-N 4-methyl-1h-pyridazin-6-one Chemical compound CC=1C=NNC(=O)C=1 MMDFKVYPOQFQHP-UHFFFAOYSA-N 0.000 description 1
- OUTZDCXYCPUJCP-UHFFFAOYSA-N 4-methyl-3-phenyl-1h-pyridazin-6-one Chemical compound CC1=CC(=O)NN=C1C1=CC=CC=C1 OUTZDCXYCPUJCP-UHFFFAOYSA-N 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- 150000003868 ammonium compounds Chemical class 0.000 description 1
- RDHPKYGYEGBMSE-UHFFFAOYSA-N bromoethane Chemical compound CCBr RDHPKYGYEGBMSE-UHFFFAOYSA-N 0.000 description 1
- AJSHDAOMUKXVDC-UHFFFAOYSA-N butan-1-amine;sulfuric acid Chemical compound CCCC[NH3+].OS([O-])(=O)=O AJSHDAOMUKXVDC-UHFFFAOYSA-N 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- WOWHHFRSBJGXCM-UHFFFAOYSA-M cetyltrimethylammonium chloride Chemical compound [Cl-].CCCCCCCCCCCCCCCC[N+](C)(C)C WOWHHFRSBJGXCM-UHFFFAOYSA-M 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 150000003983 crown ethers Chemical class 0.000 description 1
- 239000012043 crude product Substances 0.000 description 1
- VAYGXNSJCAHWJZ-UHFFFAOYSA-N dimethyl sulfate Chemical compound COS(=O)(=O)OC VAYGXNSJCAHWJZ-UHFFFAOYSA-N 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 229910000000 metal hydroxide Inorganic materials 0.000 description 1
- 150000004692 metal hydroxides Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000825 pharmaceutical preparation Substances 0.000 description 1
- 229940127557 pharmaceutical product Drugs 0.000 description 1
- 239000002798 polar solvent Substances 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 150000003242 quaternary ammonium salts Chemical class 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- DZLFLBLQUQXARW-UHFFFAOYSA-N tetrabutylammonium Chemical compound CCCC[N+](CCCC)(CCCC)CCCC DZLFLBLQUQXARW-UHFFFAOYSA-N 0.000 description 1
- WAGFXJQAIZNSEQ-UHFFFAOYSA-M tetraphenylphosphonium chloride Chemical compound [Cl-].C1=CC=CC=C1[P+](C=1C=CC=CC=1)(C=1C=CC=CC=1)C1=CC=CC=C1 WAGFXJQAIZNSEQ-UHFFFAOYSA-M 0.000 description 1
- 238000005292 vacuum distillation Methods 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Landscapes
- Plural Heterocyclic Compounds (AREA)
- Catalysts (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17178980A JPS5795964A (en) | 1980-12-04 | 1980-12-04 | Preparation of 2-substituted-3(2h)-pyridazinone derivative |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17178980A JPS5795964A (en) | 1980-12-04 | 1980-12-04 | Preparation of 2-substituted-3(2h)-pyridazinone derivative |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5795964A JPS5795964A (en) | 1982-06-15 |
| JPS6338994B2 true JPS6338994B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1988-08-03 |
Family
ID=15929713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17178980A Granted JPS5795964A (en) | 1980-12-04 | 1980-12-04 | Preparation of 2-substituted-3(2h)-pyridazinone derivative |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5795964A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63166395U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1987-04-18 | 1988-10-28 |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1038249C (zh) * | 1991-08-28 | 1998-05-06 | 罗姆和哈斯公司 | 含有二氢哒嗪酮及其相关化合物的杀菌组合物 |
| DE102006037478A1 (de) | 2006-08-10 | 2008-02-14 | Merck Patent Gmbh | 2-(Heterocyclylbenzyl)-pyridazinonderivate |
| DE102007025718A1 (de) | 2007-06-01 | 2008-12-04 | Merck Patent Gmbh | Pyridazinonderivate |
| DE102007025717A1 (de) | 2007-06-01 | 2008-12-11 | Merck Patent Gmbh | Arylether-pyridazinonderivate |
| DE102007032507A1 (de) | 2007-07-12 | 2009-04-02 | Merck Patent Gmbh | Pyridazinonderivate |
| DE102007038957A1 (de) | 2007-08-17 | 2009-02-19 | Merck Patent Gmbh | 6-Thioxo-pyridazinderivate |
| DE102007041115A1 (de) | 2007-08-30 | 2009-03-05 | Merck Patent Gmbh | Thiadiazinonderivate |
| DE102007061963A1 (de) | 2007-12-21 | 2009-06-25 | Merck Patent Gmbh | Pyridazinonderivate |
| DE102008019907A1 (de) | 2008-04-21 | 2009-10-22 | Merck Patent Gmbh | Pyridazinonderivate |
| DE102008062826A1 (de) | 2008-12-23 | 2010-07-01 | Merck Patent Gmbh | Pyridazinonderivate |
| DE102009003954A1 (de) | 2009-01-07 | 2010-07-08 | Merck Patent Gmbh | Pyridazinonderivate |
| DE102009004061A1 (de) | 2009-01-08 | 2010-07-15 | Merck Patent Gmbh | Pyridazinonderivate |
| BR112014031068A2 (pt) * | 2012-06-12 | 2017-06-27 | Abbvie Inc | derivados piridinona e piridazinona |
-
1980
- 1980-12-04 JP JP17178980A patent/JPS5795964A/ja active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63166395U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1987-04-18 | 1988-10-28 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5795964A (en) | 1982-06-15 |
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