3-(4-bromobenzyl)-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 4-(4-bromobenzylamino)-5-(3,4-dichlorophenylimino)2-(2-methylpropylidene)-2,5-dihydroselenophene-3-carboxylate