Biphenylylpropionic acid derivative, process for preparing the same and pharmaceutical composition containing the same
申请人:Kaken Pharmaceutical Co., Ltd.
公开号:EP0103265A2
公开(公告)日:1984-03-21
Biphenylylpropionic acid derivatives of the formula:
wherein R is an alkylcarbonyloxyalkyl group or an alkenylcarbonyloxyalkyl group having the formula:
wherein R1 is hydrogen atom or a lower alkyl group having 1 to 5 carbon atoms, R2 is an alkyl group having 1 to 15 carbon atoms or an alkenyl group having 2 to 8 carbon atoms, and m is 0 or an integer of 1, provided that when R1 is a lower alkyl group, m is 0, or a lactone having the formula:
wherein R3 and R4 are hydrogen atom or a lower alkyl group having 1 to 2 carbon atoms, and n is an integer of 1 or 2. The compounds have excellent anti-inflammatory, analgesic and antipyretic activities. Moreover, the compounds have no irritation, rapid and long acting and high safety margin.