2-indol-3-ylmethyl-1,2,3,4-tetrahydro-isoquinoline 、 (3aR,4R,5S,5aR,10bR,12bR)-4-Acetoxy-3a-ethyl-5-hydroxy-9-(hydroxy-methoxycarbonyl-methyl)-8-methoxy-6-methyl-3a,4,5,5a,6,11,12,12b-octahydro-1H-6,12a-diaza-indeno[7,1-cd]fluorene-5-carboxylic acid methyl ester 在
三氟乙酸 作用下,
以
二氯甲烷 为溶剂,
以19%的产率得到