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Synthesis 1992; 1992(5): 446-448
DOI: 10.1055/s-1992-26130
short paper
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Synthesis of 1H-1,5-Benzodiazepin-2(3H)-ones from 5(4H)-Isoxazolone, a Heterocyclic Bifunctional C-3 Synthon

M. Hanumantha Rao* , A. Pandu Ranga Reddy, V. Veeranagaiah
  • *Department of Chemistry, Osmania University, Hyderabad 500 007, India
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Publication Date:
17 September 2002 (online)

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Unsubstituted and 7- or 8-substituted 4-aryl-1H-1,5-benzodiazepin-2(3H)-ones 3a-t have been synthesized by the condensation of 3-aryl-5(4H)-isoxazolones 1a-e and parent 4-substituted 1,2-benzenediamines 2a-d under acidic conditions.