Structure Determination of a Flavonoid Glycoside Extracted from Capsella bursa-pastoris(L.) Medic. by NMR Spectroscopy

Chinese Journal of Magnetic Resonance ›› 2009, Vol. 26 ›› Issue (1): 88-94.

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Structure Determination of a Flavonoid Glycoside Extracted from Capsella bursa-pastoris(L.) Medic. by NMR Spectroscopy

SONG Ning; WANG Rong-rong; LI Zhan-lin; LIU Xiao-qiu*; LI Wen; PEI Yue-hu

(School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang 110016, China)

Received:2008-09-24 Revised:2008-11-04 Online:2009-03-05 Published:2009-12-05
Contact: LIU Xiao-qiu

Abstract

Abstract: A flavonoid glycoside, 2″-O-α-L-arabinoisorientoside, was isolated from Capsella bursa-pastoris(L.) Medic. The 95% ethanol extract of the whole plant was processed by column chromatography (macroporous adsorption resin, polyamide and Sephadex LH-20) and semi-preparative liquid chromatography to yield the pure compound. Physicochemical properties and NMR data of the compound were used to determine its structure. The NMR chemical shifts of the compound were completely assigned.

Key words: NMR, assignment, 2D NMR, flavonoid glycoside, 2″-O-α-L-arabinoisorientoside, Capsella bursa-pastoris(L.) Medic

CLC Number:

O641

SONG Ning; WANG Rong-rong; LI Zhan-lin; LIU Xiao-qiu*; LI Wen; PEI Yue-hu
. Structure Determination of a Flavonoid Glycoside Extracted from Capsella bursa-pastoris(L.) Medic. by NMR Spectroscopy
[J]. Chinese Journal of Magnetic Resonance, 2009, 26(1): 88-94.

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Structure Determination of a Flavonoid Glycoside Extracted from Capsella bursa-pastoris(L.) Medic. by NMR Spectroscopy

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