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2005
Enantioselective syntheses
O 0031
Metal Complexes as Phase Transfer Catalysts in the Synthesis of O-Acetyl— The synthesis of O-acetylmandelonitrile (IV) by reaction of benz04- 033 mandelonitrile.
aldehyde with KCN and Ac2O in the presence of a variety of transition metal complexes
of Schiff's bases or classical diols as phase transfer catalysts is achieved. Although all
the catalysts used are enantiomerically pure compounds, asymmetric induction is observed only with the vanadium and titanium complexes shown. — (BELOKON*, Y.
N.; et al.; Russ. Chem. Bull. 53 (2004) 5, 1126-1129; Nesmeyanov Inst. Organoelem.
Compd., Russ. Acad. Sci., Moscow 117813, Russia; Eng.) — R. Staver
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