2,4-dichloro-N-(2,4-dichlorophenyl)benzohydrazonoyl chloride 、
4-ethyl-3-oxobis[1,2]dithiolo[3,4:4',3'-e][1,4]thiazine-5-thione 在
三乙胺 作用下,
以
苯 为溶剂,
以35%的产率得到(E)-4-ethyl-3-oxo-5-(3,5-di(2,4-dichlorophenyl)[1,3,4]thiadiazol-2-ylidenyl)[1,2]dithiolo[3,4-b][1,4]thiazine-6-thione