4-[(E)-[(3E)-3-[(4-cyanophenyl)methylidene]-5-methyl-2-oxocyclohexylidene]methyl]benzonitrile 、
靛红 、
L-硫代脯氨酸 反应 4.0h,
以89%的产率得到3-((E)-4-cyanobenzylidene)-7'-(p-cyanophenyl)-7',7a'- dihydro-1'H,3'H-dispiro[4-methylcyclohexane-1,6'-pyrrolo[1,2-c]thiazole-5',3''-indoline]-2,2''-dione