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1. (Article ID: 11479)
Sun P, Chen Y, Shimizu N, Takeda T
Studies on the constituents of Epimedium koreanum. III
Chemical and Pharmaceutical Bulletin 46(2) (1998)
355-358
A new flavonol glycoside, epimedin L (1), a new chromone, 5,7-dihydroxy- 2-(p-hydroxy-phenoxy)-6-prenylchromone (2), and icariside A7 (3) were isolated from the aerial parts of Epimedium koreanum NAKAI (Berberidaceae) together with six known compounds, chaohuoside A (epimedin L) (4), 8- prenylkaempferol (5), anhydroicaritin (6), ginkgetin (7), isoginkgetin (8) and bilobetin (9). Their structures were established by spectroscopic methods and chemical evidence.
Epimedium koreanum, Berberidaceae, epimedin I, chromone derivative, icariside A7
Publication DOI: 10.1248/cpb.46.355Journal NLM ID: 0377775Publisher: Pharmaceutical Society Of Japan
Institutions: Phytochemistry Department of Shenyang Pharmaceutical University, Shenyang, China, Kyoritsu College of Pharmacy, Minato-ku, Tokyo, Japan
Methods: 13C NMR, 1H NMR, EI-MS, methylation, FAB-MS, acid hydrolysis, HPLC, UV, extraction, CC, HMBC
The publication contains the following compound(s):
- Compound ID: 29324
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b-D-Glcp-(1-7)-+
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b-D-Glcp-(1-3)-a-L-Rhap4Ac-(1-3)-Subst
Subst = anhydroicaritin = SMILES C/C(C)=C\CC1=C2C(C({3}C(O)=C(C3=CC=C(OC)C=C3)O2)=O)={5}C(O)C={7}C1O |
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Structure type: oligomer
; 880
C41H52O21
Trivial name: glycoside
Compound class: epimedin I
- Compound ID: 29325
|
b-D-Glcp-(1-2)-Subst3Me4Me6Me
Subst = 2,3,4,6,7-pentahydroxy-9,10-dihydro-phenanthrene = SMILES O{7}c3cc2CCc1c{2}c(O){3}c(O){4}c(O)c1c2c{6}c3O |
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Structure type: monomer
Trivial name: icariside A7
Compound class: glycoside
- Compound ID: 29326
|
b-D-Glcp-(1-7)-+
|
b-D-Glcp3Ac6Ac-(1-3)-a-L-Rhap4Ac-(1-3)-Subst
Subst = anhydroicaritin = SMILES C/C(C)=C\CC1=C2C(C({3}C(O)=C(C3=CC=C(OC)C=C3)O2)=O)={5}C(O)C={7}C1O |
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Structure type: oligomer
Trivial name: glycoside
Compound class: epimedin L
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