Table 3.
1 |
84% yield, 97% ee |
2 |
87% yield, 96% ee |
3 |
76% yield, 97% ee |
4 |
89% yield, 97% ee |
5d |
91% yield, 94% ee |
6 |
73% yield, 95% ee |
7 |
81% yield, 93% ee |
8e,f,g |
73% yield, 97% ee |
9e |
77% yield, 94% ee |
10e |
71% yield, 96% ee |
Absolute configuration assigned by chemical correlation or analogy.
Isolated yield of the corresponding alcohol.
Enantiomeric excess determined by chiral HPLC or SFC analysis of the corresponding alcohol.
1H NMR yield.
Using 20 mol% 3.
Using 30 mol% CuBr.
Using the corresponding mesitylvinyliodonium triflate.