Nonsteroidal antiinflammatory agents. 3. Synthesis of the positional isomers of 4'-chloro-5-methoxy-3-biphenylylacetic acid and their antiinflammatory and analgesic activities
作者:Yasumitsu Tamura、Yoshihiko Yoshimoto、Shinichi Tada、Katsutoshi Kunimoto、Shingo Matsumura、Masao Murayama、Yoshihisa Shibata、Hiroshi Enomoto
DOI:10.1021/jm00140a019
日期:1981.8
isomers 3a-i of 4'-chloro-5-methoxy-3-biphenylylacetic acid [1 (DKA-9), R = 4-ClPh; R' = MeO] which is a newly developed nonsteroidal antiinflammatory agent, have been prepared and evaluated for antiinflammatory and analgesic activities using both the carrageenan-induced rat paw edema and AcOH writhing assays. The 3- and 4-biphenylylacetic acids 3a,d, which closely resemble 1 (R = 4-ClPh, R' = MeO)
4'-氯-5-甲氧基-3-联苯基乙酸的位置异构体3a-i [1(DKA-9),R = 4-ClPh; R'= MeO]是一种新开发的非甾体类抗炎药,已使用角叉菜胶诱导的大鼠爪水肿和AcOH扭体试验进行了抗炎和镇痛作用的评估。在这些测定中,与其他异构体相比,在结构上非常相似于1(R = 4-ClPh,R'= MeO)的3-和4-联苯基乙酸3a,d。但是,所测试的化合物均没有一个比1更具活性(R = 4-ClPh; R'= MeO)。在这一系列化合物中,良好的抗炎活性的结构要求似乎与镇痛活性的要求平行。