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Biologically Active Glycosides from Asteroidea, XXIX. X‐Ray Crystallographic Analysis of Desulfated Asterosaponin P 1 Isolated from the Starfish Asterina pectinifera
Author(s) -
Cho Yuko,
Higuchi Ryuichi,
Marubayashi Nobuhiro,
Ueda Ikuhiko,
Komori Tetsuya
Publication year - 1992
Publication title -
liebigs annalen der chemie
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.825
H-Index - 155
eISSN - 1099-0690
pISSN - 0170-2041
DOI - 10.1002/jlac.199219920116
Subject(s) - starfish , glycoside , chemistry , x ray , stereochemistry , crystallography , geology , paleontology , physics , optics
By X‐ray crystallographic analysis of desulfated asterosaponin P 1 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.