diphenylmethyl 7-acetoxymethyl-5-cyano-8,11-dioxo-10-methoxy-13-methyl-1,2,3,4,5,7,8,11,12,12a-decahydro-1,4-iminoazepino<1,2-b>isoquinoline-2-carboxylate 在
苯甲醚 、
三氟乙酸 作用下,
以
二氯甲烷 为溶剂,
反应 1.0h,
以77.3%的产率得到7-acetoxymethyl-5-cyano-8,11-dioxo-10-methoxy-13-methyl-1,2,3,4,5,7,8,11,12,12a-decahydro-1,4-iminoazepino<1,2-b>isoquinoline-2-carboxylic acid