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2005
Alcohols
Q 0230
06- 082
Ionic Liquids Incorporating Camphorsulfonamide Units for the Ti-Promoted
Asymmetric Diethylzinc Addition to Benzaldehyde. — Ionic liquids bearing chiral
camphorsulfonamide moieties are prepared and evaluated for their catalytic properties.
The enantioselectivity obtained in the addition of diethylzinc to benzaldehyde in the
presence of ligand (I) is similar to those reported for related nonionic species. (I) is
reused up to three times without loss of activity or selectivity. — (GADENNE, B.;
HESEMANN, P.; MOREAU*, J. J. E.; Tetrahedron Lett. 45 (2004) 44, 8157-8160;
Lab. Heterochim. Mol. Macromol., CNRS, Ec. Natl. Super. Chim.,
F-34296 Montpellier, Fr.; Eng.) — Roy
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