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Solvent-Free one pot synthesis of benzo-[b]-1,4-diazepines using reusable sulfamic acid catalyst

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Abstract

α-β-Unsaturated carbonyl compounds on condensation with o-phenylenediamine in the presence of catalyst sulfamic acid under solvent free conditions, resulted in the formation of corresponding benzo-[b]-1,4-diazepines in excellent yields.

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Authors and Affiliations

  1. Department of Chemistry, J. E. S. College, Jalna, 431203, India

    S. R. Sarda

  2. Organic Chemistry Synthesis Laboratory, Dnyanopasak College, Parbhani, 431401, India

    W. N. Jadhav & N. B. Kolhe

  3. Department of Chemistry, Vidyanath College, Parli-vaijnath, 431515, India

    M. G. Landge

  4. Deogiri College, Station Road, Aurangabad, 431005, India

    R. P. Pawar

Authors
  1. S. R. Sarda
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  2. W. N. Jadhav
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  3. N. B. Kolhe
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  4. M. G. Landge
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  5. R. P. Pawar
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Correspondence to R. P. Pawar.

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Sarda, S.R., Jadhav, W.N., Kolhe, N.B. et al. Solvent-Free one pot synthesis of benzo-[b]-1,4-diazepines using reusable sulfamic acid catalyst. JICS 6, 477–482 (2009). https://doi.org/10.1007/BF03246524

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  • DOI: https://doi.org/10.1007/BF03246524

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