1 |
none |
89% (85%)[c]
|
2 |
[Ir(dF(CF3)-ppy)2(5,5’dCF3-bpy)]PF6
|
81% |
3 |
[Ir(dF(CF3)-ppy)2(5,5’dF-bpy)]PF6
|
71% |
4 |
[Ir(dF(CF3)-ppy)2(dtbbpy)]PF6
|
34% |
5 |
Co(dmgH)2PyCl |
88% |
6 |
Co(dmgH)2Cl2
|
44% |
7 |
Co(dmgBF2)2·H2O |
18% |
8 |
TBSOTf |
82% |
9 |
TESOTf |
6% |
10 |
TMSOTf |
5% |
11 |
2,6-di-Me-Pyr |
81% |
12 |
DABCO |
n.d. |
13 |
DIPEA |
n.d. |
14 |
KOAc |
n.d. |
15 |
DCE |
77% |
16 |
DCM |
61% |
17 |
CH3CN |
45% |
18 |
No light |
n.d. |
19 |
No PC or Co |
n.d. |