Spectral identification of the ketol tautomer of gossypol
Robert D. StipanovicNational Cotton Pathology Research Laboratory P.O. Drawer JF TexasCollege Station 77840Alois A. BellNational Cotton Pathology Research Laboratory P.O. Drawer JF TexasCollege Station 77840Carrie R. HowellNational Cotton Pathology Research Laboratory P.O. Drawer JF TexasCollege Station 77840
1973en
ABI
Annotatsiya
Abstract Nuclear magnetic reasonance studies have identified the ketol lc as the major tautomer of (±) gossypol in basic solvent system. The hydroxymethylene proton of gossypol absorbs at δ 9.50 in aqueous sodium hydroxide. Acidification converts the ketol to the aldehyde tautomer la .
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