Table 2.
Stereoconvergent Negishi Phenylations of Racemic α-Bromonitrilesa
![]() | |||
---|---|---|---|
entry | R1 | ee (%) | yield (%) b |
1 | i-Pr | 92 | 77 |
2 |
![]() |
92 | 98 |
3 |
![]() |
92 | 92 |
4c |
![]() |
92 | 92 |
5 |
![]() |
92 | 94 |
6 |
![]() |
90 | 96 |
7 |
![]() |
85 | 95 |
8 |
![]() |
91 | 94 |
9 |
![]() |
90 | 94 |
10 | Me | 82 | 67 (83)d |
11 |
![]() |
78 | 88 |
12 |
![]() |
76 | 94 |
All data are the average of two experiments.
Yield of purified product.
Reaction temperature: −60 °C.
Yield determined by GC analysis versus a calibrated internal standard.