Simultaneous determination of enantiomeric purity and erythro/threo relationship in chiral 1,2-aminoalcohols by NMR using (R)-(+)-t-butylphenylphosphinothioic acid
Karl G. Gundersona, Michael J. Shapiroa, *, Robert A. Dotib and Jerry W. Skilesb
Tetrahedron: Asymmetry
Volume 10, Issue 17, 27 August 1999, Pages 3263-3266
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http://dx.doi.org/10.1016/S0957-4166(99)00327-4