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Sceletium joubertii

In an initial study of the alkaloids of Sceletium joubertii, Arndt and Kruger (31) isolated three new alkaloids. The essential features of the structures of these noncrystalline bases were evident from their spectral properties. The molecular formula of joubertiamine as C16H21NO2 was established by high-resolution mass spectrometry, and fragment ions at m/e 58 and m/e 78 indicated that the alkaloid contains an A -dimethylamino-ethyl side chain. A carbonyl absorption in the IR at 1680 cm" and the UV spectrum were both in accord with the presence of an a,jS-unsaturated carbonyl group. A bathochromic shift of the absorption maxima in the UV... [Pg.21]


See other pages where Sceletium joubertii is mentioned: [Pg.186]    [Pg.187]    [Pg.553]    [Pg.186]    [Pg.187]    [Pg.553]   
See also in sourсe #XX -- [ Pg.553 ]

See also in sourсe #XX -- [ Pg.21 , Pg.23 ]




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