Anti-HIV-1 protostane triterpenes and digeranylbenzophenone from trunk bark and stems of Garcinia speciosa.

Abstract

Three new protostanes, garciosaterpenes A ( 1), B ( 2) and C ( 3), together with a new digeranylbenzophenone, garciosaphenone A ( 4) were isolated from the ethyl acetate fractions obtained from the crude methanol extracts of the trunk bark and stems of Garcinia speciosa. The structures were elucidated by spectroscopic methods and chemical reactions… (More)

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