1-trifluoroacetyl-2α,7α-dihydro-corynantheidine 在
potassium cyanide 、
sodium pyruvate 作用下,
以
甲醇 为溶剂,
反应 1.0h,
生成 (E)-2-[(2S,3S,6R,7aR,12aS,12bS)-6-Cyano-3-ethyl-12-(2,2,2-trifluoro-acetyl)-1,2,3,4,6,7,7a,12,12a,12b-decahydro-indolo[2,3-a]quinolizin-2-yl]-3-methoxy-acrylic acid methyl ester 、 (E)-2-[(2S,3S,6S,7S,7aR,12aS,12bS)-6-Cyano-3-ethyl-7-hydroxy-12-(2,2,2-trifluoro-acetyl)-1,2,3,4,6,7,7a,12,12a,12b-decahydro-indolo[2,3-a]quinolizin-2-yl]-3-methoxy-acrylic acid methyl ester