A NEW FLAVONE FROM BERGAMOTT OIL - WEAK COUPLING IN NMR BETWEEN RING AND METHOXYL PROTONS

被引:20
作者
FARID, S
机构
[1] Max-Planck-Institut für Kohlenforschung, Abteilung Strahlenchemie, Mülheim-Ruhr
关键词
D O I
10.1016/0040-4020(68)88114-1
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
A new natural flavone (5-hydroxy-7,8,3′,4′-tetramethoxyflavone, I) has been isolated from bergamott oil. A flavone previously isolated from Ammi visnaga has been identified as rhamnazin. Evidence for a weak spin coupling between ring and OMe protons in flavone derivatives is given. © 1968.
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页码:2121 / &
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