从秘鲁“猫爪藤”（钩藤）中分离出的两种新的去甲三萜糖苷。

Two new nor-triterpene glycosides from peruvian "Uña de Gato" (Uncaria tomentosa).

作者信息

Kitajima Mariko, Hashimoto Ken-Ichiro, Yokoya Masashi, Takayama Hiromitsu, Sandoval Manuel, Aimi Norio

机构信息

Graduate School of Pharmaceutical Sciences, Chiba University, 1-33 Yayoi-cho, Inage-ku, Chiba 263-8522, Japan.

出版信息

J Nat Prod. 2003 Feb;66(2):320-3. doi: 10.1021/np0203741.

DOI:10.1021/np0203741

PMID:12608878

Abstract

Two new 27-nor-triterpene glycosides, tomentosides A (1) and B (2), 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 and chemical interconversions. This is the first report of naturally occurring pyroquinovic acid glycosides.

摘要

从秘鲁传统草药“猫爪草”（植物来源：钩藤）中分离出两种新的27-降三萜糖苷，即绒毛糖苷A（1）和B（2）。通过光谱分析和化学转化确定了它们的结构。这是天然存在的焦曲诺酸糖苷的首次报道。