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New Pterocarpinoids from Dolichos marginata ssp. erecta
Author(s) -
Gunzinger Jan,
Hostettmann Kurt,
Msonthi Jerome D.
Publication year - 1988
Publication title -
helvetica chimica acta
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.74
H-Index - 82
eISSN - 1522-2675
pISSN - 0018-019X
DOI - 10.1002/hlca.19880710109
Subject(s) - dolichos , chemistry , bark (sound) , antifungal , stereochemistry , botany , organic chemistry , microbiology and biotechnology , physics , acoustics , biology
Four new pterocarpinoids, sphenostylin A, B, C, and D ( 1 – 4 ), have been isolated from the CHCl 3 extract of the root bark of Dolichos marginata ssp. erecta (Leguminosae) by preparative liquid chromatography. The structures have been established by spectroscopic methods (UV, 1 H‐NMR, 13 C‐NMR, EI‐MS, DCI‐MS, CD) and chemical transformations. The isolated compounds showed weak antifungal activity against Cladosporium cucumerinum .