2,3-二氯-5,6-二氰基-1,4-苯醌 、
Phenyl 6-ethyl-3-(N-methoxy-N-methylcarbomoyl)-1,2-dihydropyridinecarboxylate 以
醋酸异丙酯 为溶剂,
反应 0.5h,
生成 (1R,2S,7S,8R)-4,5-Dichloro-2,7-dicyano-10-ethyl-12-(methoxy-methyl-carbamoyl)-3,6-dioxo-9-aza-tricyclo[6.2.2.0
2,7]dodeca-4,11-diene-9-carboxylic acid phenyl ester