期刊
CHEMICAL & PHARMACEUTICAL BULLETIN
卷 52, 期 1, 页码 27-32出版社
PHARMACEUTICAL SOC JAPAN
DOI: 10.1248/cpb.52.27
关键词
Clinacanthus nutans; Acanthaceae; leave; cerebroside; glycosphingolipid; monoacylmonogalactosylglycerol
A mixture of nine cerebrosides and a monoacylmonogalactosylglycerol were separated from the leaves of Clinacanthus nutans. The structures of the cerebrosides were characterized as 1-O-beta-D-glucosides of phytosphingosines, which comprised a common long-chain base, (2S,3S,4R,8Z)-2-amino-8(Z)-octadecene-1,3,4-triol with nine 2-hydroxy fatty acids of varying chain lengths (C-16, C-18, C20-26) linked to the amino group. The glycosylglyceride was characterized as (2S)-1-O-linotenoyl-3-O-beta-D-galactopyranosylglycerol. The structures were established on the basis of the spectroscopic data and chemical reactions.
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