3-ethyl-4-methyl-2-(3,4-dichlorophenyl)selenocarbamoylthiazolium inner salt 、
Methyl 5-methyl-2,3-hexadienoate 以
四氢呋喃 为溶剂,
以71%的产率得到(2Z,5Z)-methyl 5-(3,4-dichlorophenylimino)-4-(ethylamino)-2-(2-methylpropylidene)-2,5-dihydroselenophene-3-carboxylate