ethyl 3-bromo-2-(hydroxyimino)propanoate 、 Methyl N-<(6R,9S)-6,9-dimethyl-9-ethyl-6-(1-methylethyl)-6,7,8,9-tetrahydro-1H-benz
indol-4-yl>-N-methyl-L-valinate 在
sodium carbonate 作用下,
以
二氯甲烷 为溶剂,
反应 16.0h,
以9%的产率得到Ethyl (1S,4R)-1,4-dimethyl-8-(ethoxycarbonyl)-1-ethyl-1,2,3,4,10a,11-hexahydro-α-(hydroxyimino)-6-<<(S)-1-(methoxycarbonyl)-2-methylpropyl>methylamino>benz<1,2>oxazino<6,5-b>indole-6b(7H)-propanoate