Ibrahim Saad Abdel Hafiz, Mohamed Ezz Eldin Rashad, Mohamed Alaa Eldin Mahfouz and Mohamed Hilmy Elnagdi
A number of new substituted 1,3-diphenyl-5-chloropyrazoles are prepared from 2-[(5-chloro-1,3-diphenyl-1H-pyrazol-4-yl)methylene]malononitrile (2).