New polyhydroxylated triterpenes from Uncaria tomentosa.


Author

Aquino R, De Simone F, Vincieri FF

Date

5/1990

Journal

Abstract

Three novel polyhydroxylated triterpenes have been isolated from Uncaria tomentosa. Their structures were established as 1, 2, and 3 by detailed spectral studies including 1H-13C correlations via long range couplings using the INAPT pulse sequence, nOeds, and 2D 1H-13C direct chemical shift correlation (HETCOR) nmr techniques.

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