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Structural determination of three new germacrane-type sesquiterpene alcohols from curdione by microbial transformation

✍ Scribed by Xiao-chi Ma; Jian Zheng; Li-jun Wu; De-an Guo

Publisher: John Wiley and Sons
Year: 2006
Tongue: English
Weight: 108 KB
Volume: 45
Category: Article
ISSN: 0749-1581
DOI: 10.1002/mrc.1922

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✦ Synopsis

Abstract

Five germacrane‐type sesquiterpene alcohols obtained from curdione (1) by microbial biotransformation were isolated. Their structures were characterized as (2__R__)‐2β‐hydroxycurdione (2), 1α, 10β‐epoxy‐11‐hydroxycurdione (3), (2__S__)‐2α, 11‐dihydroxycurdione (4), 11,15‐dihydroxycurdione (5) and (3__R__)‐3α‐hydroxycurdione (6) based on the extensive NMR studies. Among them, 4, 5 and 6 are new compounds. Copyright © 2007 John Wiley & Sons, Ltd.

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