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  • Chem Sci Trans., 2014, 3(1),  pp 141-150  

    DOI:10.7598/cst2014.658

    Research Article

    New Potential Allelochemicals from Crotalaria Medicaginea Lam.

  • R.N.YADAVA and U.K.VISHWAKARMA
  • Natural Products Laboratory, Department of Chemistry, Dr. H. S. Gour University, Sagar (M.P.) 470003, India
  • Abstract

    Two new potential allelochemicals have been isolated from methanolic extract of the stems of Crotalaria medicaginea Lam. Along with three known compounds Quercitrin, Acacetin and Isorhamnetin. The structure of two new allelochemicals were characterized as 3,5,7,3',4'-pentahydroxy-6-methoxyflavone-3-O-α-L-rhamnopyranosyl-7-O-β-D-glucopyranosyl-(1?4)-O-β-D-xylopyranoside (1) and 3, 5, 7-trihydroxy-8,4'-dimethoxyflavone-5-O-β-D-galactopyranosyl-7-O-α-L-rhamnopyranosyl-(1→3)--arabinopyranoside (2) by various colour reactions, spectral analysis and chemical degradations.

    Keywords

    Crotalaria medicaginea Lam., Leguminosae, Allelochemical, Antimicrobial activity

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