Design, synthesis and in vitro evaluation of a series of α-substituted phenylpropanoic acid PPARγ agonists to further investigate the stereochemistry–activity relationship
作者:Masao Ohashi、Izumi Nakagome、Jun-ichi Kasuga、Hiromi Nobusada、Kenji Matsuno、Makoto Makishima、Shuichi Hirono、Yuichi Hashimoto、Hiroyuki Miyachi
DOI:10.1016/j.bmc.2012.08.061
日期:2012.11
stereochemistry–activity relationship, that is, the (R)-enantiomer is a more potent PPARγ agonist than the (S)-enantiomer, compared with structurally similar α-ethylphenylpropanoic acid-type PPAR agonists. Here, we designed, synthesized and evaluated the optically active α-cyclohexylmethylphenylpropanoic acid derivatives 7 and α-phenethylphenylpropanoic acid derivatives 8, respectively. Interestingly, α-cyclohexylmethyl
我们先前证明,α-苄基苯丙酸型PPARγ-选择性激动剂6表现出相反的立体化学-活性关系,即与结构上相比,(R)-对映体比(S)-对映体是更有效的PPARγ激动剂。类似的α-乙基苯基丙酸型PPAR激动剂。在此,我们分别设计,合成和评估了旋光性α-环己基甲基苯基丙酸衍生物7和α-苯乙基苯基丙酸衍生物8。有趣的是,α-环己基甲基衍生物显示出立体化学-活性关系的逆转[即(R)比(S)],就像α-苄基衍生物一样,而α-苯乙基衍生物表现出“正常”关系[(S)比(R)更有效。这些结果表明,相对于羧基而言,β位上存在支链碳原子是逆转立体化学-活性关系的关键决定因素。