Licorice-saponins A3, B2, C2, D3, and E2, five new oleanene-type triterpene oligoglycosides from chinese glycyrrhizae radix

Abstract

Ten new oleanene-type triterpene oligoglycosides were isolated from Chinese Glycyrrhizae Radix, the dried root of Glycyrrhiza uralensis Fischer [Tohoku-Kanzo (in Japanese) from China], and the structures of five oligoglycosides, named licorice-saponins A3 (3), B2 (5^), C2 (7J, D3 (j)), and E2 (12), have been determined on the basis” of chemical and physicochemical evidence. © 1988, The Pharmaceutical Society of Japan. All rights reserved.