(1R*,10S)-1-sec-butyl-5-cyano-1-ethoxycarbonylmethyl-8-methyl-1,3,4,9-tetrahydro-pyrano[3,4-b]indole-7-carboxylic acid 在
硼烷四氢呋喃络合物 作用下,
以
四氢呋喃 为溶剂,
反应 2.0h,
生成 (1R*,10S)-(1-sec-butyl-5-cyano-7-hydroxymethyl-8-methyl-1,3,4,9-tetrahydro-pyrano[3,4-b]indol-1-yl)-acetic acid ethyl ester 、 (1R*,10S)-(1-sec-butyl-5-cyano-7-hydroxymethyl-8-methyl-1,3,4,9-tetrahydro-pyrano[3,4-b]indol-1-yl)-acetic acid ethyl ester