Isosarcophytoxide Derivatives with a 2,5-Dihydrofuran Moiety from the Soft Coral Sarcophyton cinereum
Molecules (Basel, Switzerland)(2023)
摘要
The present chemical investigation on the organic extract of the soft coral Sarcophyton cinereum has contributed to the isolation of four new cembranoids: 16 beta- and 16 alpha-hydroperoxyisosarcophytoxides (1 and 2), 16 beta- and 16 alpha-methoxyisosarcophytoxides (3 and 4), and a known cembranoid, lobocrasol (5). The structures of all isolates were elucidated by detailed spectroscopic analysis. Their structures were characterized by a 2,5-dihydrofuran moiety, of which the relative configuration was determined by DU8-based calculation for long-range coupling constants ((4)J(H,H)). The cytotoxicity and immunosuppressive activities of all isolates were evaluated in this study.
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关键词
16-hydroperoxyisosarcophytoxide,16-methoxyisosarcophytoxide,Sarcophyton cinereum,cytotoxicity,DU8,2,5-dihydrofuran,immunosuppressive
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