Two new ceramides from the fruit pulp of Acanthopanax senticosus (Rupr. et Maxim) Harms
Zhaowei Yan1, Jinping Liu, Dan Lu
1a Department of Clinical Pharmacology , The First Affiliated Hospital of Soochow University , Suzhou , Jiangsu 215006 , P.R. China.
Abstract:
Two new ceramides, (3S,4S,5R)-3-octadecanoylamino-4-hydroxy-5-dodecane-2,3,4,5-tetrahydrofuran (1) and (3S,4S,5R)-3-[(2R)-2-hydroxyhexacosanoylamino]-4-hydroxy-5-[(4E)-dodecane-4-ene]-2,3,4,5-tetrahydrofuran (2), together with eight known compounds, eleutheroside A (3), eleutheroside B (4), eleutheroside E (5), 7-hydroxy-6-methoxy-coumarin (6), 6,7-dimethoxycoumarin (7), 5α,8α-epidioxyergosta-6,22-dien-3-ol (8), stigmasterol (9) and rutin (10), were isolated from the fruit pulp of Acanthopanax senticosus (Rupr. et Maxim) Harms. Their structures were elucidated by means of physicochemical properties and spectroscopic methods (1D, 2D NMR and MS).
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