Bull. SOC. Chim. Bclg. vol.%/n' 311987 0037-9646/87/ $ 2.00 0.00 0 1987 Copit€ van Boheer van hot Bulletin VLY ... SYNTHESE DES BENZIMIDAZOLYL-2 METHYL-5' PYRAZOLYL-3' METHANES A PARTIR DEB ACETYLMETHYLENE-4 BENZODIAZEPINE-l15 ONES-2 ... EM Esaassi, M. Elabbassi et J. Fifani Laboratoire de Chimie Organique Heterocyclique, Facult6 des Sciences, Avenue Ibn Batouta, Rabat, Maroc- ... ABSTRACT Hydrazinolysis of 4- ...