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Two New Ceramides from the Marine Sponge Ircinia fasciculata

✍ Scribed by Guang-Wen Zhang; Xiang-Quan Ma; Cui-Xian Zhang; Jing-Yu Su; Wen-Cai Ye; Xiao-Qi Zhang; Xin-Sheng Yao; Long-Mei Zeng

Publisher
John Wiley and Sons
Year
2005
Tongue
German
Weight
76 KB
Volume
88
Category
Article
ISSN
0018-019X

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✦ Synopsis

Abstract

A new 4‐sulfated ceramide, ircisulfamide (=N‐[(1__S__*,2__S__*,3__R__*)‐2‐hydroxy‐1‐(hydroxymethyl)‐3‐(sulfooxy)heptadecyl]hexadecanamide; 1), and a new glycosphingolipid, ircicerebroside (=(2__R__*)‐N‐{(1__S__*,2__R__*,3__E__,7__E__)‐1‐[(β‐D‐glucopyranosyloxy)methyl]‐2‐hydroxy‐8‐methylheptadeca‐3,7‐dienyl}‐2‐hydroxyeicosanamide; 2), were isolated from the aqueous EtOH extract of the marine sponge Ircinia fasciculata (Pallas). The structures of the new compounds were elucidated on the basis of spectroscopic analysis and by means of chemical methods.

📜 SIMILAR VOLUMES

Glycolipids from sponges, III. Glycosyl
Glycolipids from sponges, III. Glycosyl ceramides from the marine spongeAgelas conifera
✍ Costantino, Valeria ;Fattorusso, Ernesto ;Mangoni, Alfonso 📂 Article 📅 1995 🏛 John Wiley and Sons 🌐 English ⚖ 454 KB

## Abstract The glycosphingolipid (GSL) composition of the marine sponge __Agelas conifera__ was investigated. In addition to three GSLs previous isolated from __Agelas clathrodes__ (2a‐4a), the novel α‐glycosylceramide 1a was isolated as a major component of the GSL mixture, and its structure was