1992•Liebigs Annalen der ChemieRequires access

Biologically Active Glycosides from Asteroidea, XXIX. X‐Ray Crystallographic Analysis of Desulfated Asterosaponin P1 Isolated from the Starfish Asterina pectinifera

Yuko Cho, Ryuichi Higuchi, Nobuhiro Marubayashi, Ikuhiko Ueda, Tetsuya Komori

Abstract

Abstract By X‐ray crystallographic analysis of desulfated asterosaponin P1 the absolute configuration at C‐24 in the aglycone moiety is confirmed. The unique conformation of the side chain part possessing the carbohydrate moiety is also revealed. This is the first report of an X‐ray crystallographic analysis of a steroid glycoside whose carbohydrate moiety is located in the C‐17 side chain.

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Key concepts: Starfish, Glycoside, Chemistry, X-ray, Stereochemistry, Crystallography, Geology, Paleontology