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Biologically active glycosides from asteroidea, XXII. Glycosphingolipids from the starfishAstropecten latespinosus, I. Structures of three new cerebrosides, astrocerebroside A, B, and C and of related nearly homogeneous cerebrosides

✍ Scribed by Higuchi, Ryuichi ;Kagoshima, Masahiko ;Komori, Tetsuya

Publisher
John Wiley and Sons
Year
1990
Tongue
English
Weight
512 KB
Volume
1990
Category
Article
ISSN
0947-3440

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✦ Synopsis

Abstract

By means of the high‐performance liquid chromatography (HPLC), three new cerebrosides (ceramide monohexosides), as‐trocerebroside A (8), B (10), and C (18), together with a known cerebroside, acanthacerebroside A (17), were isolated from a molecular species of cerebroside obtained from the less polar fraction of the chloroform/methanol extract of the starfish Astropecten latespinosus. On the basis of chemical and spectral evidences, their structures were determined. The structures of the nearly homogeneous cerebrosides, which appeared to be pure from HPLC and negative FAB mass spectrum, were also described.

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## Abstract Three ganglioside molecular species and a homogeneous ganglioside [GP‐1a (1), GP‐1b (2), GP‐2 (3) and asterinaganglioside A (4)] were obtained from the water‐soluble lipid fraction of the chloroform/methanol extract of the starfish Asterina pectinifera. On the basis of chemical and spec