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A New Megastigmane Palmitate and a New Oleanane Triterpenoid from Aster yomena Makino
Author(s) -
Jin Qinglong,
Jin HongGuang,
Kim A Ryun,
Woo EunRhan
Publication year - 2012
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.201200035
Subject(s) - oleanane , chemistry , two dimensional nuclear magnetic resonance spectroscopy , triterpenoid , heteronuclear single quantum coherence spectroscopy , terpene , stereochemistry , asteraceae , advanced spaceborne thermal emission and reflection radiometer , botany , triterpene , medicine , alternative medicine , remote sensing , pathology , digital elevation model , biology , geology
A new megastigmane palmitate, 9‐oxomegastigm‐5(13)‐ene‐2 β ‐palmitate ( 1 ), and a new oleanane triterpenoid, (3 β )‐3,23,28‐trihydroxyolean‐12‐en‐11‐one ( 2 ), together with three known oleanane‐type triterpenoids, β ‐amyrin ( 3 ), erythrodiol ( 4 ), and (3 β )‐olean‐12‐ene‐3,23,28‐triol ( 5 ), were isolated from the aerial parts of Aster yomena (Asteraceae). Their structures were identified based on 1D‐ and 2D‐NMR analysis, including 1 H, 1 H‐COSY, HSQC, HMBC, and NOESY techniques.