Studies on the Constituents of the Stems of Tinospora tuberculata Beumee. III. New Diterpenoids, Borapetoside B and Borapetol B

Abstract

A new diterpene glucoside, borapetoside B (1), and its aglycone, borapetol B (2), were isolated from the stems of Tinospora tuberculata beumee as the bitter principles, and their structures were elucidated. © 1986, The Pharmaceutical Society of Japan. All rights reserved.