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[Chemical constituents of Pileostegia viburnoides var. glabrescens].

Zhong yao cai = Zhongyaocai = Journal of Chinese medicinal materials (2012-12-12)
Ju-ying Zou, Sheng-huang Chen, Qin-wen Li, Yang-wen Ou, Han-jun Chen, Wei Wang
ABSTRACT

To study the chemical constituents of Pileostegia viburnoides var. glabrescens. The compounds were isolated and purified by various techniques. Their structures were determined by physicochemical properties and spectral analysis. Five compounds were isolated and identified as friedelin (1), beta-sitosterol (2), umbelliferone (3), daucosterol (4) and skimmin (5). All the compounds were isolated from this genus for the first time.

MATERIALS
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Sigma-Aldrich
Friedelin, technical grade
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Supelco
β-Sitosterol β-D-glucoside, analytical standard
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β-Sitosterol, from soybean, ≥96%
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β-Sitosterol, synthetic, ≥95%
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25 mg
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100 mg
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Sigma-Aldrich
Umbelliferone, suitable for fluorescence indicator, ≥98.0% (HPLC)
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β-Sitosterol, ≥70%
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Umbelliferone, 99%
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Supelco
β-Sitosterol, certified reference material, 100 μg/mL in chloroform
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25 mg
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CA$225.00
100 mg
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CA$672.00
Supelco
Umbelliferone, analytical standard
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25 mg
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100 mg
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CA$672.00