methyl 4-cyano-7-hydroxy-6-hydroxymethyl-3,12-imino-13-methyl-1,2,3,4,6,11,11a,12-octahydroazepino<1,2-b>isoquinoline-1-carboxylate 在
potassium nitrososulfonate 、
sodium acetate 作用下,
以
乙腈 为溶剂,
反应 1.83h,
以75%的产率得到methyl 5-cyano-8,11-dioxo-7-hydroxymethyl-13-methyl-1,2,3,4,5,7,8,11,12,12a-decahydro-1,4-iminoazepino<1,2-b>isoquinoline-2-carboxylate