5-Methyldihydroflavasperone, a dihydronaphthopyran from Guiera sengalensis
1997
Mahmoud, E.H.N. | Khalid, S.A.
5-Methyldihydroflavasperone, a novel naphthopyran, was isolated from the chloroform extract of the leaf of Guiera senegalensis. The structure was established as 2,3-dihydro-5,8,10-trimethoxy-2- methyl-4H-naphtho[1,2-b]pyran-4-one by 1D and 2D NMR spectroscopy (H-H COSY; H-C COSY, DEPT; INADEQUATE) and other spectroscopical techniques.
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