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Addition of boron-derived C-nucleophiles to cyclic enones, catalysed by L2/Pd(TFA)2 [37].
 | |||||
| entry | substrate | C-nucleophile | time (h) | yield (%) | ee (%) |
| 1 | A | PhB(OH)2 | 6 | 75 | 82 |
| 2 | B | PhB(OH)2 | 18 | 55 | 86 |
| 3 | C | PhB(OH)2 | 22 | 60 | >99 |
| 4 | D | (PhBO)3 (slow addition of water) |
5 | 75 | 94 |
| 5 | E | (PhBO)3 (slow addition of water) |
18 | 45(60%a) | 81 |
aConversion.
