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Disulfonamides derived from camphor: A new ligand for the titanium alkoxide-promoted addition of diethylzinc to benzaldehyde.
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1  Departamento de Quimica Organica, Universidad de Alicante, E-03080 Alicante, Spain

Abstract: The preparation of several disulfonamides 3 and 4 derived from camphor are described, as well as their use in the titanium tetraisopropoxide-promoted enantioselective addition of diethylzinc to benzaldehyde, the enantiomeric ratio being up to 82.0:18.0.
Keywords: Titanium, dialkylzinc, enantioselective addition.