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Paper | Regular issue | Vol 24, No. 1, 1986, pp.135-139
Published online, 1st January, 1970
DOI: 10.3987/R-1986-01-0135
New Synthesis of Dihydro- and Tetrahydro-1,5-benzodiazepines by Reductive Condensation of o-Phenylenediamine and Ketones in the Presence of Sodium Borohydride

Hilda R. Morales, Arturo Bulbarela, and Rosalinda Contreras*

*Departmento de Química del Centro de Investigación y de Estudios Avanzados, Instituto Politécnico Nacional, Apartado 14-740, México, D.F., 07000, Mexico


Dihydro- and tetrahydro-benzodiazepines have been synthesized from o-phenylenediamine dihydrochloride and aliphatic ketones in the presence of sodium borohydride.