Table 3. Substrate Scope of Styrenyl Bromides.
entry | R | pdt | yield (%)a | ee (%)b |
---|---|---|---|---|
1 | 4-Me-C6H4 | 5a | 83 | 96 |
2 | 4-F-C6H4 | 5b | 74 | 94 |
3c | 4-Cl-C6H4 | 5c | 66 | 95 |
4c | 4-CF3-C6H4 | 5d | 49 | 94 |
5c | 4-OCF3-C6H4 | 5e | 81 | 94 |
6c | 4-OTBS-C6H4 | 5f | 82 | 96 |
7c | 4-NMe2-C6H4 | 5g | 55 | 95 |
8c | 2,3-diMe-C6H3 | 5h | 76 | 96 |
9c | 3,4-diMeO-C6H3 | 5i | 73 | 95 |
10c | 4-Bpin-C6H4 | 5j | 59 | 94 |
11 | 4-OH-C6H4 | 5k | 86 | 93 |
Isolated yield, reactions conducted under N2 on 0.2 mmol scale for 6 h.
Determined by SFC using a chiral stationary phase.
Run with 15 mol % NiCl2(dme) and 16 mol % L6.