3,5-bis[(E)-4-bromobenzylidene]-1-methyltetrahydropyridin-4(1H)-one 、
靛红 、
噻莫西酸 以
甲醇 为溶剂,
反应 1.0h,
以96%的产率得到spiro[5.3'']oxindolespiro-[6.3']-1'-methyl-5'-(4-bromophenylmethylidene)tetrahydro-4'(1H)-pyridinone-7-(4-bromophenyl)tetrahydro-1H-pyrrolo[1,2-c][1,3]thiazole