New Oleanan-Type Triterpene and Cincholic Acid Glycosides from Peruvian “Uña de Gato” (Uncaria tomentosa)

Mariko Kitajima; Ken-ichiro Hashimoto; Manuel Sandoval; Norio Aimi; Hiromitsu Takayama

doi:10.1248/cpb.52.1258

Notes

New Oleanan-Type Triterpene and Cincholic Acid Glycosides from Peruvian “Uña de Gato” (Uncaria tomentosa)

Mariko Kitajima, Ken-ichiro Hashimoto, Manuel Sandoval, Norio Aimi, Hiromitsu Takayama

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Keywords: triterpene, Uncaria tomentosa, Uña de Gato (Cat's claw), Rubiaceae

JOURNAL FREE ACCESS

2004 Volume 52 Issue 10 Pages 1258-1261

DOI https://doi.org/10.1248/cpb.52.1258

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Abstract

A new oleanan-type triterpene (1) and three new cincholic acid glycosides (2—4) were isolated from Peruvian “Uña de Gato” (Cat's claw, plant of origin: Uncaria tomentosa), a traditional herbal medicine in Peru. Their structures were determined by spectroscopic analysis.

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