Table 1.
Entry | Conditions | Yieldb |
---|---|---|
1 | TPAP(0.1 equiv), NMO (3 equiv), 4A M.S., CH3CN | 65% |
2 | TPAP(0.1 equiv), NMO (2 equiv), 4A M.S., CH3CN | 67% |
2 | TPAP(0.1 equiv), NMO (2 equiv), 4A M.S., DCM | 56–70% |
3 | TPAP(0.08 equiv), NMO (2 equiv), 4A M.S., DCM | 74%a |
4 | TPAP(0.1 equiv), NMO (1.5 equiv), 4A M.S., DCM | 77%a |
5 | TPAP(0.05 equiv), NMO (1.5 equiv), 4A M.S., DCM | 77%a |
6 | DMP(3 equiv), NaHCO3 (20 equiv), DCM | 88% (0.83 g scale) |
The reaction did not give full conversion.
Isolated yield.