New anti-inflammatory tocopherol-derived metabolites from the Taiwanese soft coral Cladiella hirsuta

Bioorganic & Medicinal Chemistry Letters
2015.0

Abstract

Two new tocopherol-derived metabolites, hirsutocospiro A (1) and hirsutocoquinone A (2), were isolated from the soft coral Cladiella hirsuta. The structures of 1 and 2 were determined by extensive spectroscopic analysis. The in vitro anti-inflammatory activity of compounds 1 and 2 was evaluated by measuring their ability in suppressing superoxide anion generation and elastase release in fMLP/CB-induced human neutrophils. Compound 1 was shown to exhibit significant anti-inflammatory activity.

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