• Raman effect and Hydrogen Bonds - Part VIII. A Note on the solutions of coumarin in mineral acids

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      Permanent link:
      https://www.ias.ac.in/article/fulltext/seca/017/02/0055-0057

    • Keywords

       

      Raman Spectrum; Coumarin; Mineral Acid; Hydrochloric Acid Solution; Pyrylium

    • Abstract

       

      The marked solubility of coumarin in aqueous mineral acids is attributed to the formation of complexes. That this takes place through hydrogen bonds is shown by a study of the Raman spectrum of these solutions wherein the carbonyl frequency is found to be considerably lowered, but still persists.

    • Author Affiliations

       

      G V L N Murty1 T R Seshadri1

      1. Department of Chemistry, Andhra University, Waltair
    • Dates

       
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