Readily available 2-methylquinoline derived chiral ligands 1 and 2 have been applied in the enantioselective addition of diethylzinc to aldehydes with up to 91.4% ee being recorded. Readily available 2-methylquinoline derived chiral ligands 1 and 2 have been applied in the enantioselective addition of diethylzinc to aldehydes with up to 91.4% ee being recorded.