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New chiral ligand containing butyl and dibutylmagnesiates have been prepared from a range of ligands and their reactivity studied. The reagents were generally efficient in promoting the clean bromine–magnesium exchange of 2‐bromopyridine at room temperature and the subsequent reaction with aldehydes to afford α‐substituted 2‐pyridylcarbinols in good yields. (R,R)‐TADDOLate proved to be the best ligand,...
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