3-(4-bromobenzyl)-4-methyl-2-(4-chlorophenyl)selenocarbamoylthiazolium inner salt 、
Methyl 5-methyl-2,3-hexadienoate 以
四氢呋喃 为溶剂,
以76%的产率得到(2Z,5Z)-methyl 4-(4-bromobenzylamino)-5-(4-chlorophenylimino)-2-(2-methylpropylidene)-2,5-dihydroselenophene-3-carboxylate