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Communication | Special issue | Vol 76, No. 2, 2008, pp.1007-1010
Published online, 19th May, 2008
DOI: 10.3987/COM-08-S(N)63
Facile and Efficient Synthesis of 1,4-Benzodiazepines from 1,4-Naphthoquinones

Vishnu K. Tandon* and Hardesh K. Maurya

*Department of Chemistry, University of Lucknow, Lucknow - 226 007, India


Concise intramolecular cyclization reaction of 2,3-diamino-1,4-dihydro-naphthalenediones 4 and 7 in anhydrous K2CO3 /Et3N and EtOH yielded novel 1,4-benzodiazepines 5 and 6 fused with 1,4-naphthoquinone nucleus.