(2'E,5'E)-methyl 2'-(1-methoxycarbonylethylidene)-1,1',3,4-tetraphenyl-5'-propylidene-1,4-dihydrospiro[1,2,4-triazole-2,3'-pyrrolidine]-4'-carboxylate 以
氘代氯仿 为溶剂,
生成
(E)-methyl 2'-(1-methoxycarbonylethylidene)-1,1',3,4-tetraphenyl-5'-propyl-1,1',2',4-tetrahydrospiro[1,2,4-triazole-2,3'-pyrrole]-4'-carboxylate