New Triterpenes from Barringtonia acutangula Gaertn

Department of Chemistry, Andhra University, Waltair 530 003 Besides β-sitosterol, stigmasterol-3β-O-D-glucoside, oleanolic and barringtogenIc acids two new triterpene acids, viz acutangulic and tangulic acids were isolated from the leaves of Barringtonia acutangula. From spectral data and chemical reactions, acutangulic and tangulic acid were shown to be 2α,3β18β-tribydroxy-oleao-12-ene-28-oie acid and 2α,3β18β-trihydroxy­ olean-12-ene-23,28-dioic acid respectivel