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Euphane Triterpenes from the Bark of Broussonetia papyrifera
Author(s) -
Zhong HanTing,
Li Fu,
Chen Bin,
Wang MingKui
Publication year - 2011
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.201100136
Subject(s) - broussonetia , chemistry , terpene , bark (sound) , celastraceae , stereochemistry , traditional medicine , botany , forestry , geography , medicine , biology
Four new euphane triterpenes, (3 β )‐3‐(acetyloxy)eupha‐7,25‐dien‐24‐one ( 1 ), (3 β ,24 R )‐3‐(acetyloxy)eupha‐7,25‐dien‐24‐ol ( 2 ), (3 β ,24 S )‐eupha‐7,25‐diene‐3,24‐diol ( 3 ), and (3 β ,24 R )‐eupha‐7,25‐diene‐3,24‐diol ( 4 ) were isolated from the barks of Broussonetia papyrifera , a tree whose roots, barks, and fruits were used as herbal drugs in China. The structures of 1 – 4 were elucidated on the basis of spectroscopic evidence and chemical methods.
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