Studies on the constituents of Xanthoceras sorbifolia Bunge. II. Major sapogenol and a prosapogenin from the fruits of Xanthoceras sorbifolia Bunge.

1 January 1984

journal article
research article
Published by Pharmaceutical Society of Japan in CHEMICAL & PHARMACEUTICAL BULLETIN

Vol. 32 (9) , 3378-3383
https://doi.org/10.1248/cpb.32.3378

Abstract

The main sapogenol and a prosapogenin from the fruits of Xanthoceras sorbifolia (Sapindaceae) were examined. On the basis of chemical and spectral analyses, the structure of the new sapogenol obtained by acid hydrolysis of crude saponin fraction was 21.beta.,22.alpha.-diangeloyloxy-3.beta.,15.alpha.,16.alpha.,28-tetrahydroxyolean-12-ene (= 21,22-di-O-angeloyl-R1-barrigenol). The structure of the prosapogenin was identified as 21.beta.-(3,4,-di-O-angeloyl-.beta.-D-fucopyranosyl)oxy-3.beta.,16.alpha.,22.alpha.,24,28-pentahydroxyolean-12-ene (napoleogenin B) on the basis of spectral and X-ray crystal diffraction analyses.

This publication has 0 references indexed in Scilit: