Increased Enantioselectivity in the Addition of Diethylzinc to

Increased Enantioselectivity in the Addition of Diethylzinc to Benzaldehyde by the Use of Chiral Ligands Containing the r-Phenylethylamino Group in Combination with Achiral Ligands Omar Mun˜oz-Mun˜iz and Eusebio Juaristi* Departamento de Quı´mica, Centro de Investigacio´ n y de Estudios Avanzados del Instituto Polite´ cnico Nacional, Apartado Postal 14-740, 07000 Me´ xico, D.F., Me´ xico [email protected] Received February 3, 2003

This paper was withdrawn on December 1, 2004. JO0341517

10.1021/jo0341517 CCC: $30.25 © 2003 American Chemical Society

Published on Web 00/00/0000

J. Org. Chem. 2003, 68, 3781

3781

Mun˜oz-Mun˜iz and Juaristi

3782 J. Org. Chem., Vol. 68, No. 10, 2003

Enantioselective Addition of Diethylzinc to Benzaldehyde

J. Org. Chem, Vol. 68, No. 10, 2003 3783

Mun˜oz-Mun˜iz and Juaristi

3784 J. Org. Chem., Vol. 68, No. 10, 2003

Enantioselective Addition of Diethylzinc to Benzaldehyde

J. Org. Chem, Vol. 68, No. 10, 2003 3785