839. Barringtogenol and barringtogenic acid, two new triterpenoid sapogenins

Journal of the Chemical Society (Resumed)
1956.0

Abstract

Two new triterpenoid sapogenins have been isolated from the fruits of Barringtonia racemosa Roxb. The evidence suggested that one, barringtogenol, was 2 : 3 : 23 : 28-tetrahydroxyolean-12-ene (I; R = CH,*OH) and the other, barringtogenic acid, 2 : 3-dihydroxyolean-12-ene-23 : 28-dioic acid (I; R = C0,H). Confirmation was obtained by identifying the product of the reduction of arjunolic acid1 by lithium aluminium hydride with barringtogenol and with the product of similar reduction of barringtogenic acid.

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