Table 2.
entry | substrate | product | yieldb |
---|---|---|---|
1 |
5 |
6 |
92%c |
2 |
7 |
8 |
68%d,e |
8a |
20% | ||
3 |
9 |
10 |
60% |
4 |
11 |
12 |
61% |
5 |
13 |
14 |
53% |
6 |
15 |
16 |
57% |
7 |
17 |
18 |
56% |
8 |
19 |
20 |
51% |
9 |
21 |
22 |
46% |
Reaction Conditions: Pd(OAc)2 (10 mol %), PhI(OAc)2 (2.0 equiv), CH3CN, rt, 12 h;
Isolated yield (%) after purification by chromatography on SiO2;
dr 1.75:1;
dr 1.3:1;
see ref 21