New Polyhydroxylated Triterpenes from Uncaria tomentosa


Author

R. Aquino

Date

1990

Journal

J Nat Prod

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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