3-(1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)-3-oxopropanenitrile 、
3,5-di(trifluoromethyl)phenyldiazonium chloride 在
sodium acetate 作用下,
以
乙醇 为溶剂,
以92%的产率得到2-(3,5-Bis-trifluoromethyl-phenylazo)-3-(1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)-3-oxo-propionitrile