期刊
ADVANCED SYNTHESIS & CATALYSIS
卷 347, 期 15, 页码 1933-1936出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adsc.200505259
关键词
asymmetric catalysis; kinetic resolution; Schiff bases; sulfoxides; vanadium
Simple, inexpensive, preformed vanadium-Schiff base complexes were facilely prepared and used in enantioselective sulfoxidation. Both the amount of aqueous H2O2 and reaction time greatly influenced the ee values and yields of chiral sulfoxides. High enantioselectivities (up to 99% ee) and reasonable yields (> 40%) for various chiral sulfoxides were achieved by combining enantioselective sulfoxidation and appropriate concomitant kinetic resolution.
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