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J Integr Plant Biol, 1996, 38 (5): -, Research Article
Studies on the Chemical Constituents of the Leaves of WTBX]Pseudotaxus chienii (Cheng) Cheng
Zhang Jun-zeng, Fang Qi-cheng and Liang Xiao-tian
doi:
Abstract
Fourteen compounds were isolated from the leaves of Pseudotaxus chienii (Cheng) Cheng which is uniquely indigenous to China, and their structures were identified mainly by spectrum analyses. Among them, 13 known compounds were determined as: 2-guaiacylpropane-1, 3-diol (1), vanillic acid (2), 3-methoxy-4-hydroxy cinnamic acid (3). 3. 5-dimethoxy-phenol (4), taxicatin (5), 5-oxymaltol (6), quercetin-3-rhamnoside (7), (±)-catechin (8), ecdysterone (9), β-sitosterol (10), D-glucose (11), (±)-10-nonacosanol (12) and octacosanoic acid (13). All these compounds butβ-sitosterol were isolated from this plant for the first time. Compounds 1 and 6 have never been reported in plant kingdom. Another compound was tentatively established as a new compound, named pseudotaxlactone (14).
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