ethyl 2-cyano-2-(2,3-diphenyl-2-cyclopropenylidene)-acetate 、
2-methylene-3-phenacylbenzothiazoline 以
四氢呋喃 为溶剂,
反应 1.0h,
生成 (E)-2-Cyano-3-{[3-(2-oxo-2-phenyl-ethyl)-3H-benzothiazol-(2Z)-ylidene]-phenyl-methyl}-4-phenyl-penta-2,4-dienoic acid ethyl ester