发明名称 |
PROCESS FOR PRODUCTION OF 3-(5-(4-(CYCLOPENTYLOXY)-2-HYDROXYBENZOYL)-2-((3-HYDROXY-1,2-BENZISOXAZOL-6-YL)METHOXY)PHENYL)PROPIONATE ESTER AND INTERMEDIATE FOR THE PROCESS |
摘要 |
<p>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.</p> |
申请公布号 |
SI1988085(T1) |
申请公布日期 |
2015.03.31 |
申请号 |
SI20070031606T |
申请日期 |
2007.02.19 |
申请人 |
TOYAMA CHEMICAL CO., LTD. |
发明人 |
YONEZAWA KENJI;TAKAMATSU TAMOTSU;AOKI NAOKATU;HASHIMOTO TOMOHIRO;TAKEBAYASHI MASAHIRO;SUZUKI YOSHIAKI;OONISHI YUJI |
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