Table 2.
Cross-coupling of aryl sulfamates.a
| entry | R–OSO2NMe2 | (HO)2B–Ar | product | yieldb |
|---|---|---|---|---|
| 1 | ![]() |
2a | ![]() |
95% |
| 2 | 2b | ![]() |
72% | |
| 3 | ![]() |
2b | ![]() |
92% |
| 4 | 2a | 87% | ||
| 5 | 2a | 89% | ||
| 6 | ![]() |
2a | ![]() |
91% |
| 7 | ![]() |
2a | ![]() |
92% |
| 8 | ![]() |
2a | ![]() |
63% |
| 9 | 2b | 81% | ||
| 10 | 2b | 80% | ||
| 11 | 2b | 76% | ||
| 12 | 2b | ![]() |
75% | |
| 13 | ![]() |
2b | ![]() |
75% |
| 14c | ![]() |
2a | ![]() |
92% |
| 15 | 2a | 93% | ||
| 16 | 2b | 90% | ||
| 17c | 2b | 85% |
Conditions: NiCl2(PCy3)2 (5 mol%), ArB(OH)2 (2.5 equiv), K3PO4 (4.5 equiv), toluene (0.3 M), 110 °C, 24 h.
Isolated yields.
Conditions: NiCl2(PCy3)2 (10 mol%), ArB(OH)2 (4 equiv), K3PO4 (7.2 equiv), toluene (0.3 M), 130 °C, 24 h.















