SQUARROSIDE-A, A BIOLOGICALLY-ACTIVE TRITERPENE SAPONIN FROM ACANTHOPHYLLUM-SQUARROSUM

被引:30
作者
LACAILLEDUBOIS, MA
HANQUET, B
RUSTAIYAN, A
WAGNER, H
机构
[1] UNIV BOURGOGNE, FAC SCI & TECH,SYNTH & ELECTROSYNTH ORGANOMET LAB, CNRS,URA 33, F-21033 DIJON, FRANCE
[2] SHAHID BEHESHTY UNIV, DEPT CHEM, TEHRAN, IRAN
[3] UNIV MUNICH, INST PHARMAZEUT BIOL, W-8000 MUNICH 2, GERMANY
关键词
ACANTHOPHYLLUM-SQUARROSUM; CARYOPHYLLACEAE; TRITERPENOID SAPONINS; GYPSOGENIN; IMMUNOLOGICAL ACTIVITY;
D O I
10.1016/0031-9422(93)80036-R
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
A new bioactive saponin has been isolated from the roots of Acanthophyllum squarrosum. Based on spectroscopic data, especially direct and long-range heteronuclear 2D NMR analysis, and on chemical transformations, the structure of this new compound was elucidated as 3-O-beta-D-galactopyranosyl-(1 --> 2)-[beta-D-xylopyranosyl-(1 --> 3)]-beta-D-glucuronopyranosyl gypsogenin 28-O-beta-D-xylopyranosyl-(1 --> 4)-alpha-L-rhamnopyranosyl-(1 --> 2)-[alpha-L-arabinofuranosyl-(1 --> 3)]-beta-D-4-O-acetylfucopyranoside for which we proposed the name squarroside A. This molecule showed a concentration dependent immunomodulatory effect in the in vitro lymphocyte transformation test.
引用
收藏
页码:489 / 495
页数:7
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