HALICHONADINS M-Q, SESQUITERPENES FROM AN OKINAWAN MARINE SPONGE HALICHONDRIA SP.

被引:11
|
作者
Tanaka, Naonobu [1 ]
Suto, Shohei [1 ]
Asai, Miki [1 ]
Kusama, Taishi [1 ]
Takahashi-Nakaguchi, Azusa [2 ]
Gonoi, Tohru [2 ]
Fromont, Jane [3 ]
Kobayashi, Jun'ichi [1 ]
机构
[1] Hokkaido Univ, Grad Sch Pharmaceut Sci, Sapporo, Hokkaido 0600812, Japan
[2] Chiba Univ, Med Mycol Res Ctr, Chiba 2608673, Japan
[3] Western Australian Museum, Welshpool Dc, WA 6986, Australia
关键词
Marine Sponge; Helichondria sp; Sesquiterpene; Halichonadins M-Q; NATURAL-PRODUCTS;
D O I
10.3987/COM-14-S(K)2
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Four new dimeric sesquiterpenes, halichonadins M-P (1-4), and one new sesquiterpene, halichonadin Q (5), were isolated from an Okinawan marine sponge Halichondria sp. The sesquiterpenes have eudesmane skeleton in common Halichonadin M (1) is a symmetrical dimer linked to a nitrilotriacetic acid fragment through amide bonds. Halichonadin N (2) is a structurally unique dimeric sesquiterpene connected via a pyrrolidine unit, while halichonadins 0 (3) and P (4) have linker moieties consisting of a piperidine unit. Halichonadin Q (5) is a sesquiterpene possessing a pyrrolidine unit. The structures of 1-5 were elucidated by spectroscopic analysis. Halichonadin 0 (3) showed antimicrobial activity against Staphylococcus aureus, Micrococcus luteus, and Trichophyton mentagrophytes.
引用
收藏
页码:173 / 185
页数:13
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