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  • Title: Isolation and structural determination of sorbinols A and B, new triterpenes from Sorbus cashmariana, by 1D and 2D NMR spectroscopy.
    Author: Kazmi MH, Ahmed E, Hameed S, Malik A, Ashraf M.
    Journal: Magn Reson Chem; 2007 May; 45(5):416-9. PubMed ID: 17372961.
    Abstract:
    Two new pentacyclic triterpenes, sorbinols A (1) and B (2) have been isolated from the ethyl acetate fraction of Sorbus cashmariana and their structures assigned from (1)H and (13)C NMR spectra, DEPT and by 2D COSY, NOE, HMQC and HMBC experiments. Both 1 and 2 showed moderate inhibitory potential against the enzyme lipoxygenase.
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