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
申请人:Yonezawa Kenji
公开号:US20090099369A1
公开(公告)日:2009-04-16
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.
使用一种中间体6-(卤代甲基)-1,2-苯并异噁唑-3(2H)-酮衍生物的制备方法,该衍生物由通式表示,其中R5是一个甲基基团,该基团被一个或多个可选的取代苯基团或一个可选的含氧杂环基团所取代;X代表卤素原子。该方法可用于安全、易于制备3-5-[4-(环戊氧基)-2-羟基苯甲酰基]-2-[(3-羟基-1,2-苯并异噁唑-6-基)甲氧基]苯基}丙酸的高产率制备,该化合物可用作抗风湿药物。