thiophen-2-ylmethyl 2-chloro-2-[(4-chlorophenyl)hydrazinylidene]acetate 在
silver carbonate 作用下,
以
1,4-二氧六环 为溶剂,
反应 10.0h,
以10%的产率得到(5aR,5bS,8aS,9aS)-5,8-Bis-(4-chloro-phenyl)-3-oxo-3,5,5a,5b,8,8a-hexahydro-2-oxa-9-thia-4,5,7,8-tetraaza-dicyclopenta[a,d]pentalene-6-carboxylic acid thiophen-2-ylmethyl ester