发明名称 |
PYRIDAZINONE HYDROCHLORIDE COMPOUND AND METHOD FOR PRODUCING THE SAME |
摘要 |
The present invention relates to a 3/2-hydrochloride of 4-chloro-5-[3- (4- benzylpiperazin-1- yl)carbonylmethoxy-4- methoxybenzylamino]- 3(2H)- pyridazinone, and also relates to a method for producing the 3/2- hydrochloride of 4-chloro-5-[3- (4-benzylpiperazin-1- yl)carbonylmethoxy-4- methoxybenzylamino]- 3(2H)-pyridazinone which comprises crystallizing in an alcohol type solvent or an alcohol type-ester type mixture solvent in the presence of hydrogen chloride and water.
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申请公布号 |
CA2326506(A1) |
申请公布日期 |
1999.10.07 |
申请号 |
CA19992326506 |
申请日期 |
1999.03.30 |
申请人 |
NISSAN CHEMICAL INDUSTRIES, LTD. |
发明人 |
KAMIKAWAJI, MINAKO;HORIUCHI, TAKASHI;MATSUMOTO, SACHIKO;MATSUMOTO, HIROO |
分类号 |
A61K31/501;A61P7/02;A61P11/08;A61P37/08;C07D237/22;(IPC1-7):C07D237/22 |
主分类号 |
A61K31/501 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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