Table 3.
Functionalization of C6 (C7) alcohols
| |||||
|---|---|---|---|---|---|
|
| |||||
| Entry | R1 | R2 | Product | Yield 1a | Yield 2a |
| 1 |
|
H | 27ab | 57 | –c |
| 2 |
|
H | 27bb | 43 | 62 |
| 3 |
|
H | 27cd | 60 | 73 |
| 4 |
|
H | 27dd | 83 | 76 |
| 5 |
|
H | 27ed | 87 | 61 |
| 6 |
|
Ac | 27fe | 86 | 38 |
| 7 |
|
Piv | 27gf | 92 | 53 |
| 8 |
|
|
27hf | 76 | 72 |
Isolated yields.
X = OCH2CN; conditions: K2CO3, DMA, rt.
Only decomposition was observed.
X = Cl; conditions: 2,4,6-collidine, CH2Cl2, −78 °C to rt.
X = OAc; conditions: NEt3, DMAP (10 mol %), CH2Cl2, 0 °C–rt.
X = Cl; conditions: NEt3, DMAP (10mol%), CH2Cl2, 0°C–rt. See Supporting information for details on electrophile preparation.