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Polyprenylated Phloroglucinol Derivatives from Hypericum sampsonii
Author(s) -
Lin YunLian,
Wu YuSan
Publication year - 2003
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.200390173
Subject(s) - phloroglucinol , chemistry , hypericum , hypericum perforatum , ether , stereochemistry , nuclear magnetic resonance spectroscopy , organic chemistry , traditional medicine , medicine
Six new prenylated phloroglucinol derivatives, hypersampsones A–F ( 1 – 6 ), were isolated from the aerial part of Hypericum sampsonii , together with 2,4,6‐trihydroxybenzophenone, 2,4,6‐trihydroxybenzophenone 4‐ O ‐geranyl ether, 2,4,6‐trihydroxybenzophenone 3‐ C ‐geranyl ether, sampsoniones D and H. Their structures were elucidated by spectroscopic methods, mainly 1D‐ and 2D‐NMR spectroscopy and mass spectrometry.