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A New Cembranoid Diterpene and Other Related Metabolites from the South-China-Sea Soft Coral Lobophytum crassum

✍ Scribed by Shuai-Wen Yin; Yan-Ping Shi; Xiao-Ming Li; Bin-Gui Wang

Publisher
John Wiley and Sons
Year
2006
Tongue
German
Weight
80 KB
Volume
89
Category
Article
ISSN
0018-019X

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✦ Synopsis

Abstract

A new hydroperoxy‐substituted cembranoid diterpene, 2‐hydroperoxysarcophine (= (1a__R*,4__E,11__E__,14a__R__*)‐2,3,6,7,10a,13,14,14a‐octahydro‐10a‐hydroperoxy‐1a,5,8,12‐tetramethyloxireno[9,10]cyclotetradeca[1,2‐b]furan‐9(1a__H__)‐one; 1), was isolated from the marine soft coral Lobophytum crassum. Also isolated were two other cembranoid diterpenes, obtained for the first time from a natural source, i.e., 7__β__,8__β__‐epoxy‐4__α__‐hydroxycembra‐1(15),2,11‐trien‐16,2‐olide (2) and 7__β__,8__β__‐epoxy‐4__β__‐hydroxycembra‐1(15),2,11‐trien‐16,2‐olide (3), along with three further cembranoid derivatives, five sterols, and two open‐chain metabolites. Their structures and relative configurations were elucidated on the basis of extensive spectroscopic analyses including 1D‐ and 2D‐NMR, and HR‐ESI‐MS experiments.

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## Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable v