• Studies in the formation of heterocyclic rings containing nitrogen - Part VI. Condensation of 4-chloro-o-phenylenediamine with aromatic aldehydes

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      https://www.ias.ac.in/article/fulltext/seca/048/05/0256-0262

    • Keywords

       

      Ammoniacal Solution; Chloro Group; Dilute Acid Solution; Glacial Acetic Acid Solution; Benziminazole

    • Abstract

       

      The condensation of 4-chloro-o-phenylenediamine with two moles of seventeen aromatic aldehydes under acidic conditions has been found to yield mono and disubstituted benziminazoles in varying proportions. The influence of substituents in the aldehydes on the mode of reaction and cyclisation has been found to be similar to that observed in the condensations witho-phenylenediamine.

    • Author Affiliations

       

      N V Subba Rao1 C V Ratnam1

      1. Department of Chemistry, Osmania University, Hyderabad, A.P.
    • Dates

       
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