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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 29, Number 1
BKCSDE 29(1)
January 20, 2008 

The 1H and 13C NMR Data of 19 Methoxyflavonol Derivatives
Younghee Park, Byoung-Ho Moon, Eunjung Lee, Sungwon Hong, Sunhee Lee, Yoongho Lim*
NMR, Methoxyflavonol derivatives, Structure
In the present study, we report 1H and 13C NMR data of 19 methoxyflavonol derivatives with different substitution patterns on A- and B-ring. In addition, the influence of the methoxy substituents in A- and B-ring on the 1H and 13C NMR chemical shifts is discussed: the 1H and 13C chemical shifts of and the number of methoxyl groups provided information allowing elimination of many structural isomers from consideration and in certain instances greatly simplified structural elucidation.
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