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    Stigmasterol from Eichhornia crassipes (water hyacinth) : Isolation, characterization and X-ray structure

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    Asi_J_Chem_27_3028.pdf (736.4Kb)
    Date
    2015
    Author
    Singh, K.S.
    Sawant, S.G.
    PrabhaDevi
    Kaminsky, W.
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    Abstract
    Chemical investigation of Eichhornia crassipes (water hyacinth) collected from the back waters of Kochin, southern India lead to isolation of an oxygenated sterol, stigmasterol (1). The molecular formula of 1 was determined to be C 29 H 48 O by combination of NMR and mass spectroscopic data. The sterol was fully characterized by FTIR, NMR ( 1 H and 13 C) and mass spectral data. Solid state structure of the sterol was determined by single crystal X-ray diffraction. The compound crystalizes in the chiral monoclinic space group P2 1 with a solution optical rotation [α] D = -35° (c 0.16, CHCl 3 ).
    URI
    http://drs.nio.org/drs/handle/2264/7676
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