methyl 8-acetamido-4-cyano-6-hydroxymethyl-3,12-imino-7-methoxy-13-methyl-1,2,3,4,6,11,11a,12-octahydroazepino<1,2-b>isoquinoline-1-carboxylate 在
sodium hydroxide 作用下,
以
1,4-二氧六环 、
甲醇 、
水 为溶剂,
以78.2%的产率得到8-acetamido-4-cyano-6-hydroxymethyl-3,12-imino-7-methoxy-13-methyl-1,2,3,4,6,11,11a,12-octahydroazepino<1,2-b>isoquinoline-1-carboxylic acid