(1R*,10S)-5-bromo-1-sec-butyl-1-ethoxycarbonylmethyl-8-methyl-1,3,4,9-tetrahydro-pyrano[3,4-b]indole-7-carboxylic acid benzyl ester 、
氰化亚铜 以
N-甲基吡咯烷酮 为溶剂,
反应 2.0h,
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 benzyl ester 、 (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