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Angular alkylation of α-cyanoketones.a
 | |||||
|---|---|---|---|---|---|
| entry | α-cyanoketone | Method A | Method B | ||
| product | yield trans:cis | product | yield trans:cis | ||
| 1 |
 4a |
 5a |
78% 7:1 |
 6a |
72% 7:1 |
| 2 |
 4b |
 5b |
65% 2:1 |
 6b |
75% 8:1 |
| 3 |
 4c |
 5c |
75% 3:1 |
 6c |
67% 7:1 |
| 4 |
 4d |
 5d |
67% 2:1 |
 6d |
62% 7:1 |
