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Issue 6, 2013
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Two halosesquiterpenes from Laurencia composita

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Abstract

Two new chamigrane sesquiterpenes, yicterpenes A (1) and B (2) each with an unprecedented halogenation at C-9 and a hemiketal unit at C-10, were isolated from the marine red alga Laurencia composita. The structures and absolute configurations of them were identified by NMR, ECD, and mass spectrometric methods as well as quantum chemical calculations. Compound 1 with a chlorination at C-9 was more active against some tested marine-derived organisms than 2 with a bromination at C-9.

Graphical abstract: Two halosesquiterpenes from Laurencia composita

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Publication details

The article was received on 24 Oct 2012, accepted on 30 Nov 2012 and first published on 04 Dec 2012


Article type: Paper
DOI: 10.1039/C2RA23101H
Citation: RSC Adv., 2013,3, 1953-1956
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    Two halosesquiterpenes from Laurencia composita

    X. Li, F. Miao, X. Liang, B. Wang and N. Ji, RSC Adv., 2013, 3, 1953
    DOI: 10.1039/C2RA23101H

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