Caohuoside-E from the Aerial Parts of Epimedium Koreanum Nakai

Chem. J. Chinese Universities ›› 1995, Vol. 16 ›› Issue (12): 1892.

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Caohuoside-E from the Aerial Parts of Epimedium Koreanum Nakai

LI Wen-Kui¹, XIAO Pei-Gen¹, LIAO Mao-Chuan¹, PAN Jing-Qi², Lü Mu-Jian², ZHANG Ru-Yi³

1. Institute of Medicinal Plant Development, Peking Union Medical College, Beijing, 100094;
2. College of Chemistry and Molecular Engineering, Peking University

Received:1994-12-30 Revised:1995-05-23 Online:1995-12-24 Published:1995-12-24

Abstract

Abstract: A new flavonol glycoside, named caohuoside-E(Ⅰ).was isolated from the aerial parts of Epimedium koreanum Nakai in addition to a known compound. By means of IR,UV, FAB-MS, EI-MS, ¹HNMR, ¹³CNMR,¹H-¹H COSY,¹H-¹³C COSY,¹H-¹³C long range COSY((HMBC)and chemical. evidence. the structure of caohuoside-Ewas determined as 5, 7-dihydroxy 1 - 4'-methoxyl-8-prenylflavonol-3-O-β-D (-2-O-acetyl)-glucopyranosyl-(1→3)-α-L-(4-O-acetyl )-rhamnopyranosyl-7-O-β-D-glucopyranoside.The known compound (Ⅱ)was identified as β-anhydroicaritin.

Key words: Epimedium koreanum Nakai, Flavonoids, Caohuoside-E,β-Anhydroicaritin

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LI Wen-Kui, XIAO Pei-Gen, LIAO Mao-Chuan, PAN Jing-Qi, Lü Mu-Jian, ZHANG Ru-Yi. Caohuoside-E from the Aerial Parts of Epimedium Koreanum Nakai[J]. Chem. J. Chinese Universities, 1995, 16(12): 1892.

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Caohuoside-E from the Aerial Parts of Epimedium Koreanum Nakai

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