entry |
catalyst |
ligand |
solvent |
yield
(%)b
|
1 |
Pd2(dba)3
|
L1 |
DCM |
ND |
2 |
Pd2(dba)3
|
L2 |
DCM |
ND |
3 |
Pd2(dba)3
|
L3 |
DCM |
91 |
4 |
Pd2(dba)3
|
L4 |
DCM |
89 |
5 |
Pd2(dba)3
|
L5 |
DCM |
87 |
6c
|
Pd(PPh3)4
|
- |
DCM |
95 |
7c
|
Pd(PPh3)4
|
- |
DCE |
93 |
8c
|
Pd(PPh3)4
|
- |
THF |
94 |
9c
|
Pd(PPh3)4
|
- |
toluene |
72 |
10d
|
Pd(PPh3)4
|
- |
DCM |
95 |
11e
|
Pd(PPh3)4
|
- |
DCM |
95 (95)g
|
12f
|
Pd(PPh3)4
|
- |
DCM |
88 |