Abstract

Starting from easily available chiral pool amino alcohols, a set of novel chiral ONN ligands was synthesized and their catalytic potential was examined in asymmetric alkylation. Ligands with a secondary central NH group and N-methylated ONN ligands were successfully applied as catalysts in the addition of diethyl zinc to various aromatic aldehydes, yielding secondary alcohols in excellent yields of up to 99 % ee.

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