Brominated Selinane Sesquiterpenes from the Marine Brown Alga Dictyopteris divaricata
2009
Hua-Ling Xiao | Bin-Gui Wang | Qin-Zhao Xue | Xiao-Ming Li | Wei Wen | Nai-Yun Ji
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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