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Alkaloids and Sesquiterpenes from the South China Sea Gorgonian Echinogorgia pseudossapo

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Author(s): Cheng-Hai Gao | Yi-Fei Wang | Shen Li | Pei-Yuan Qian | Shu-Hua Qi

Journal: Marine Drugs
ISSN 1660-3397

Volume: 9;
Issue: 11;
Start page: 2479;
Date: 2011;
Original page

Keywords: Echinogorgia pseudossapo | gorgonian | zoanthoxanthin alkaloid | sesquiterpene

ABSTRACT
Five zoanthoxanthin alkaloids (1–5) and four sesquiterpenes (6–9) were isolated from the South China Sea gorgonian Echinogorgia pseudossapo. Their structures were determined on the bases of extensive spectroscopic analyses, including 1D and 2D NMR data. Among them, pseudozoanthoxanthins III and IV (1–2), 8-hydroxy-6β-methoxy-14-oxooplop-6,12-olide (6) and 3β-methoxyguaian-10(14)-en-2β-ol (7) were new, 1 and 3 showed mild anti-HSV-1 activity, and 7 showed significant antilarval activity towards Balanus amphitrite larvae.
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