Three New Dihydrokaempferol Acetylated Glycosides from Smilax china L.

doi:A

Abstract

Abstract: Three new flavanonol acetylated glycosides (1–3), together with a known flavanonol glycoside (4), were isolated from the rhizomes of Smilax china L. Their structures were elucidated on the basis of MS, 1D and 2D NMR spectroscopic analysis and chemical evidence. The new compounds were characterized as (2R, 3R)- dihydrokaempferol 3-O-(6′′-O-acetyl)-β-D-glucopyranoside (1), (2R, 3R)-dihydrokaempferol 3-O-(2′′-O-acetyl)- β-D-glucopyranoside (2), and (2R, 3R)-dihydrokaempferol 3-O-(3′′-O-acetyl)-β-D-glucopyranoside (3). The results indicate that flavanonol acetylated glycosides probably can serve as typical markers of the genus Smilax.

Key words: Smilax china;dihydrokaempferol acetylated glycosides, flavanonol glycosides, flavonoids

CLC Number:

R284.1

HAO Qian, YAO Yao, LI Xiao-Lei, LI Rong-Tao, LIHai-Zhou. Three New Dihydrokaempferol Acetylated Glycosides from Smilax china L.[J]. NATURAL PRODUCT RESEARCH AND DEVELOPMENT, 2012, 23(7): 861-.

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