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Demethylsonodione

Demethylsonodione (7), a p-quinonoid aporphine, was obtained as greenish prisms. Its molecular formula was determined as C19H17O5N by high-resolution electron impact mass spectrometry (HREIMS) at m/z 339.1098 [M]+ [24]. The UV spectrum with maxima at 219, 283, 336, and 642 nm was typical of a p-quinonoid aporphine skeleton [53]. In its IR spectrum, absorption bands at 3440 cm 1 (phenolic hydroxyl) and 1635 cm 1 (carbonyl) were apparent. The H-NMR spectrum indicated signals... [Pg.570]

See other pages where Demethylsonodione is mentioned: [Pg.563]    [Pg.178]    [Pg.235]   
See also in sourсe #XX -- [ Pg.30 , Pg.570 , Pg.589 ]

See also in sourсe #XX -- [ Pg.563 , Pg.570 , Pg.589 ]



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