发明名称 |
PROCESS FOR PRODUCTION OF 3-[5-[4-(CYCLOPENTYLOXY)-2-HYDROXYBENZOYL]-2-[(3-OXO-2-SUBSTITUTED-2,3-DIHYDRO-1,2-BENZISOXAZOL-6-YL)METHOXY]PHENYL]PROPIONATE ESTER AND INTERMEDIATE FOR THE PROCESS |
摘要 |
A preparation method using as an intermediate 6-(halomethyl)-1,2-benzisoxazol-3(2H)-one derivative represented by general formula
wherein R 5 is a methyl group that is substituted with one or more optionally substituted phenyl groups, or an optionally substituted oxygen-containing heterocyclic group; X represents a halogen atom, can be used as a method for safely and easily preparing 3-{5-[4-(cyclopentyloxy)-2-hydroxybenzoyl]-2-[(3-hydroxy-1,2-benzisoxazol-6-yl)methoxy]phenyl}propionic acid, which is useful as an antirheumatic agent, with a high yield. |
申请公布号 |
PT2562170(E) |
申请公布日期 |
2014.12.26 |
申请号 |
PT20120007742T |
申请日期 |
2007.02.19 |
申请人 |
TOYAMA CHEMICAL CO., LTD. |
发明人 |
KENJI YONEZAWA;YOSHIAKI SUZUKI;NAOKATU AOKI;MASAHIRO TAKEBAYASHI;TAMOTSU TAKAMATSU;TOMOHIRO HASHIMOTO;YUJI OONISHI |
分类号 |
C07D261/20;C07B61/00;C07C67/03;C07C67/303;C07C69/738;C07D311/14 |
主分类号 |
C07D261/20 |
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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