Table 2.

Scope of Aldehyde in Enantioselective Vinylation^a,^b,^c

1	82% yield 94% ee	2d,e	83% yield 96% ee
3	75% yield 99% ee	4	79% yield 99% ee
5	81% yield 91% ee	6	73% yield 96% ee
7	84% yield ≥20:1 dr	8f	81% yield ≥20:1 dr

^aAbsolute configuration assigned by chemical correlation or analogy.

^bIsolated yield of the corresponding alcohol.

^cEnantiomeric excesss determined by chiral HPLC analysis of the corresponding alcohol.

^dUsing 20 mol% 3.

^eUsing 20 mol% CuBr.

^fUsing (S,S)-3 catalyst.