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Brominated Selinane Sesquiterpenes from the Marine Brown Alga Dictyopteris divaricata

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Author(s): Nai-Yun Ji | Wei Wen | Xiao-Ming Li | Qin-Zhao Xue | Hua-Ling Xiao | Bin-Gui Wang

Journal: Marine Drugs
ISSN 1660-3397

Volume: 7;
Issue: 3;
Start page: 355;
Date: 2009;
Original page

Keywords: Dictyopteris divaricata | sesquiterpene | selinane

ABSTRACT
Two new brominated selinane sesquiterpenes, 1-bromoselin-4(14),11-diene (1) and 9-bromoselin-4(14),11-diene (2), one known cadinane sesquiterpene, cadalene (3), and four known selinane sesquiterpenes, α-selinene (4), β-selinene (5), β-dictyopterol (6), and cyperusol C (7), were isolated from a sample of marine brown alga Dictyopteris divaricata collected off the coast of Yantai (China). Their structures were established by detailed MS and NMR spectroscopic analysis, as well as comparison with literature data.
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