期刊
MARINE DRUGS
卷 10, 期 9, 页码 2089-2102出版社
MDPI AG
DOI: 10.3390/md10092089
关键词
Plocamium angustum; polyhalogenated acyclic monoterpenes; hyphenated spectroscopy; HPLC-NMR; biological activity
资金
- Australian Postgraduate Research Award (APA)
A combination of on-line HPLC-NMR and off-line chemical investigations has resulted in the identification of the previously reported polyhalogenated monoterpene plocamenone, together with the new structural analogue isoplocamenone from the crude extract of the marine alga Plocamium angustum. On-flow and stop-flow HPLC-NMR analyses (including the acquisition of WET 2D NMR spectra) rapidly assisted in the identification of the major component plocamenone and in the partial identification of its unstable double bond isomer isoplocamenone. Conventional off-line isolation and structural characterization techniques were employed to unequivocally confirm both structures, leading to a structural revision for plocamenone, as well as to obtain sufficient quantities for biological testing.
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