(1R*,10S)-1-sec-butyl-5-cyano-1-ethoxycarbonylmethyl-8-methyl-1,3,4,9-tetrahydro-pyrano[3,4-b]indole-7-carboxylic acid benzyl ester 在
palladium 10% on activated carbon
氢气 作用下,
以
乙酸乙酯 为溶剂,
反应 3.0h,
生成 (1R*,10S)-1-sec-butyl-5-cyano-1-ethoxycarbonylmethyl-8-methyl-1,3,4,9-tetrahydro-pyrano[3,4-b]indole-7-carboxylic acid 、 (1R*,10S)-1-sec-butyl-5-cyano-1-ethoxycarbonylmethyl-8-methyl-1,3,4,9-tetrahydro-pyrano[3,4-b]indole-7-carboxylic acid