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Abstract

Four New Seco-Sterols Of Phyllanthus Fraternus Roots

Author(s): Jyoti Gupta, Mohd Ali

Four new seco-sterols, named phyllanthosterol, phyllanthosecosteryl ester, phyllanthostigmasterol and fraternusterol, have been isolated from the alcoholic extract of the roots of Phyllanthus fraternus. The structure of these sterols have been elucidated as 13, 14-seco-stigmaster-5, 20(22)-diene-3a-ol, 9,10-seco- stigmater-5, 9-diene-3b-yl-7, 16'-dihydroxytetra-cosanoate, 13,14-seco-stigmaster-5, 20(22)-diene- 3b-ol and 24-b methyl-5 (10), 13(14)-diseco-cholest-6, 9(11)-diene-22-one-3 b-ol, respectively, on the basis of the spectral data analysis and chemical reactions.

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