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. 1990 May-Jun;53(3):559-64.
doi: 10.1021/np50069a004.

New polyhydroxylated triterpenes from Uncaria tomentosa

R Aquino  1 , F De Simone, F F Vincieri, C Pizza, E Gaćs-Baitz
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New polyhydroxylated triterpenes from Uncaria tomentosa

R Aquino et al. J Nat Prod. 1990 May-Jun.

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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