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JV-Methylephedrine

U Holzgrabe, H Mallwitz, SK Branch, TM Jefferies, M Wiese. Chiral discrimination by NMR spectroscopy of ephedrine and JV-methylephedrine induced by /3-cyclodextrin, heptakis(2,3-di-0-acetyl)-/3-cyclodextrin and hep-takis-(6-0-acetyl)-/3-cyclodextrin. Chirality 9 211-219, 1997. [Pg.221]

Fig. 36.6 Optimization of MEKC conditions for cmantioseparation of ephedrine alkaloids using polysodium iV-tmdecenoxycarbonyl-L-leucinate (poly-L-SUCL) as chiral surfactant. In the elec-tropherogram, the effect of surfactant c Fig. 36.6 Optimization of MEKC conditions for cmantioseparation of ephedrine alkaloids using polysodium iV-tmdecenoxycarbonyl-L-leucinate (poly-L-SUCL) as chiral surfactant. In the elec-tropherogram, the effect of surfactant c<mcentration <m the separation is reported. Conditions involved the use of 35 mM ammonium acetate — 30 % ACN at pH 7.0 and ESI-MS detection. Peak identification (1) (1/f, 25)-(-)-ephediine, ( ) (15, 2ff)-(l)-ephedrine, (2) (IR, 2/J)-(-)-pseudo-ephedrine, (2 ) (15, 25)-(+)-pseudoephedrine, (3) (1/f, 25)-(—)-Norephedrine, (3 ) (15, 2R)-(+)-Norephediine, (4) (1/f, 25)-(-)-JV-methylephedrine, and (4 ) (15, 25)-(+)-N-methylephedrine (Modified from ref [91])...
See other pages where JV-Methylephedrine is mentioned: [Pg.146]    [Pg.278]    [Pg.711]    [Pg.352]    [Pg.146]    [Pg.278]    [Pg.711]    [Pg.352]    [Pg.572]    [Pg.60]   
See also in sourсe #XX -- [ Pg.542 , Pg.547 ]



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Methylephedrine

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