期刊
MAGNETIC RESONANCE IN CHEMISTRY
卷 45, 期 12, 页码 1072-1075出版社
WILEY
DOI: 10.1002/mrc.2063
关键词
NMR; H-1 NMR; C-13 NMR; 2D NMR; flavone
资金
- National Research Foundation of Korea [2006-005-J03402] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
- Rural Development Administration (RDA), Republic of Korea [20050301034449] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
Diosmetin, 5,7,3'-trihydroxy-4'-methoxyflavone shows chemopreventive, antimutagenic, and antiallergic effects. On the other hand, chrysoeriol, 5,7,4'-trihydroxy-3'-methoxyflavone induced nodABC-lacZ in Rhizobium meliloti. Both of them belong to hydroxymethoxyflavones. One major difference between diosmetin and chrysoeriol is the substituted position of hydroxyl and methoxyl groups. In order to elucidate the relationships between their structures and activity, one of the first things to be done is the determination of their structures. However, most flavones occur widely in nature, and thus it is difficult to obtain in sufficient amounts from natural sources to identify their structures. Assignments of NMR data of several hydroxymethoxyflavones may help us to identify novel flavonoid compounds isolated from natural sources based on their NMR experiments. Therefore, we report here the complete assignments of H-1 and C-13 NMR data of 13 hydroxymethoxyflavones. Copyright (c) 2007 John Wiley & Sons, Ltd.
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