Zhong yao cai = Zhongyaocai = Journal of Chinese medicinal materials 2016-Jan
[Chemical Constituents from Polygonum paleaceum].
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Abstrakt
To isolate and identify the chemical constituents from Polygonum paleaceum.
Chemical constituents were isolated and purified by column chromatography on silica gel,Sephadex HL-20 and macroporous resin etc. The chemical structures were identified by MS,NMR and spectral analysis.
Ten compounds were isolated and their structures were elucidated as ethyl chlorogenate( 1),methyl chlorogenate( 2), kaempferol-3-O-α-L-rhamnopyranoside( 3), (-)-epicatechin( 4), paleaceolactoside( 5), protocatechuic acid( 6), kaempferol( 7), gallic acid( 8), chlorogenic acid( 9) and isoquercitrin( 10).
Compounds 1,3,6,7 and 10 are isolated from this plant for the first time.
