Isolation and structural determination of sorbinols A and B, new triterpenes from  Sorbus cashmariana , by 1D and 2D NMR spectroscopy | Zendy

Kazmi Mehdi Hassan | Zendy; Ahmed Ejaz | Zendy; Hameed Saira | Zendy; Malik Abdul | Zendy; Ashraf Muhammad | Zendy

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Isolation and structural determination of sorbinols A and B, new triterpenes from Sorbus cashmariana , by 1D and 2D NMR spectroscopy

Author(s) -

Kazmi Mehdi Hassan,

Ahmed Ejaz,

Hameed Saira,

Malik Abdul,

Ashraf Muhammad

Publication year - 2007

Publication title -

magnetic resonance in chemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.483

H-Index - 72

eISSN - 1097-458X

pISSN - 0749-1581

DOI - 10.1002/mrc.1961

Subject(s) - chemistry , terpene , dept , two dimensional nuclear magnetic resonance spectroscopy , stereochemistry , nuclear magnetic resonance spectroscopy , ethyl acetate , organic chemistry

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. Copyright © 2007 John Wiley & Sons, Ltd.

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