Table 1.
| ||||
---|---|---|---|---|
entry | styrene | product | time | yield |
1 | 3 h | 75% | ||
2 | 45 min | 52% | ||
3 | 3 h | 54% | ||
4 | 1 h | 70% | ||
5 | 3 h | 75% | ||
6 | 2.5 h | 65% | ||
7 | 1 h | 84% | ||
8 | 1.5 h | 59% |
Conditions: 1 equiv of styrene, 1.5 equiv of 6, 5 mol% CuCl2, 5 mol% Bu4N+Cl−, CH2Cl2 (0.2 M in styrene), ambient temperature.