5-硝基靛红 、
(E)-1-methyl-3,5-bis(4-methoxybenzylidene)-4-piperidone 、
噻莫西酸 以
甲醇 为溶剂,
反应 1.0h,
以95%的产率得到spiro[5.3'']-5''-nitrooxindolespiro-[6.3']-1'-methyl-5'-(4-methoxyphenylmethylidene)tetrahydro-4'(1H)-pyridinone-7-(4-methoxyphenyl)tetrahydro-1H-pyrrolo[1,2-c][1,3]thiazole