Department of Chemistry, Transilvania University, 29 Eroilor Blvd., Brașov, RO-2200, Romania
Department of Organic Chemistry, Gh. Asachi Technical University, 71A D. Mangeron Blvd.,
National Research Council, Institute for Chemical Process and Environmental Technology,
Montreal Road Campus, K1A 0R6, Ottawa, Canada
Several 2,3-dihydro-1,5-benzodiazepines and 2,3-dihydronaphtho[2,3-b]-1,4-diazepines were prepared via cyclocondensation of the corresponding ortho-arylenediamine with 3-dialkylaminopropiophenone hydrochlorides in ethanol in the presence of anhydrous sodium acetate.