Abstract
A method for the synthesis of new chiral α/β-dimethylamino esters and β-amino ethers from ( S, S)-hydrobenzoin is described. These new O, N-donor ligands are expected to prove a useful platform for exploring the relationship between the ligand structure and stereoselective direct aldol condensation catalyzed by their lanthanide complexes. The initial survey of the catalytic utility of newly synthesized complexes in the unique aldol-Tishchenko reaction of aldehydes and aliphatic ketones is also presented.
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