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Review | Regular issue | Vol 83, No. 12, 2011, pp.2689-2730
Published online, 30th August, 2011
DOI: 10.3987/REV-11-713
Synthetic Utilities of o-Phenylenediamines: Synthetic Approaches for Benzimidazoles, Quinoxalines and Benzo[1,5]diazepines

Magdy Ahmed Ibrahim*

*Department of Chemistry, Faculty of Education, Ain Shams University, El-Maqreezy St, Roxy, Heliopolis, Cairo 11711, Egypt


This review represents the methods developed for the synthesis of benzimidazoles, quinoxalines and benzo[1,5]diazepines from the condensation of o-phenylenediamines with a variety of electrophilic reagents.