Brominated selinane sesquiterpenes from the marine brown alga Dictyopteris divaricata

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, alpha-selinene (4), beta-selinene (5), beta-dictyopterol (6), and cyperusol C (7), were isolated fr...

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Bibliographic Details
Published in:Marine drugs 2009-07, Vol.7 (3), p.355-360
Main Authors: Ji, Nai-Yun, Wen, Wei, Li, Xiao-Ming, Xue, Qin-Zhao, Xiao, Hua-Ling, Wang, Bin-Gui
Format: Article
Language:English
Subjects:
China
Dictyopteris divaricata
Hydrocarbons, Brominated - chemistry
Hydrocarbons, Brominated - isolation & purification
Magnetic Resonance Spectroscopy
Mass Spectrometry
Phaeophyceae - chemistry
selinane
sesquiterpene
Sesquiterpenes - chemistry
Sesquiterpenes - isolation & purification
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Summary: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, alpha-selinene (4), beta-selinene (5), beta-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.
ISSN:1660-3397
1660-3397
DOI:10.3390/md7030355