三光气 、
(1S,3S)-1-{(1S,2S)-1,3-Bis-(3,4-dimethoxy-phenyl)-2-[(S)-2-(1H-indol-3-yl)-1-methoxycarbonyl-ethylamino]-propyl}-2,3,4,9-tetrahydro-1H-β-carboline-3-carboxylic acid methyl ester 在
碳酸氢钠 作用下,
以
二氯甲烷 为溶剂,
以100%的产率得到(1S,2S,6S,12bS)-2-(3,4-Dimethoxy-benzyl)-1-(3,4-dimethoxy-phenyl)-3-[(S)-2-(1H-indol-3-yl)-1-methoxycarbonyl-ethyl]-4-oxo-1,2,3,4,6,7,12,12b-octahydro-pyrimido[1',6':1,2]pyrido[3,4-b]indole-6-carboxylic acid methyl ester