(E)-1-methyl-3,5-bis(4-methylbenzylidene)-4-piperidone 、
靛红 、
噻莫西酸 以
甲醇 为溶剂,
反应 1.0h,
以98%的产率得到spiro[5.3'']oxindolespiro-[6.3']-1'-methyl-5'-(4-methylphenylmethylidene)tetrahydro-4'(1H)-pyridinone-7-(4-methylphenyl)tetrahydro-1H-pyrrolo[1,2-c][1,3]thiazole