A New Megastigmane Palmitate and a New Oleanane Triterpenoid from Aster yomenaMakino
Authors:
- 17 August 2012
- journal article
- research article
- Published by Wiley in Helvetica Chimica Acta
- Vol. 95 (8) , 1455-1460
Abstract
A new megastigmane palmitate, 9‐oxomegastigm‐5(13)‐ene‐2β‐palmitate (1), and a new oleanane triterpenoid, (3β)‐3,23,28‐trihydroxyolean‐12‐en‐11‐one (2), together with three known oleanane‐type triterpenoids, β‐amyrin (3), erythrodiol (4), and (3β)‐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 1H,1H‐COSY, HSQC, HMBC, and NOESY techniques.Keywords
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