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Synthesis of chiral sulfinamido-sulfonamides and their evaluation as ligands for the enantioselective ethylation of aldehydes
10 pages, 2 figures, 2 tables.-- Printed version published May 2, 2009.A family of chiral sulfinamido-sulfonamide ligands have been synthesized from sulfinimines and has been evaluated as ligands for the enantioselective addition of diethylzinc to aldehydes with Ti(O(i)Pr)4. The structure of these diamino compounds has been systematically modified to optimize the results.This research was supported by DGI MEC (CTQ2006-04522/BQU) and CM (S-SAL-0249-2006).Peer reviewe