Table 4.
Entry | Oxidant | Yield of 19aa |
---|---|---|
1 | PhI(OAc)2 | 94% |
2 | Oxone | 50% |
3 | K2S2O8 | 27% |
4 | CuCl2 | 0% |
5 | Cu(OAc)2 | 0% |
6 | Benzoquinone | 0% |
7 | Air | 0% |
Yields determined by GC relative to an internal standard
Entry | Oxidant | Yield of 19aa |
---|---|---|
1 | PhI(OAc)2 | 94% |
2 | Oxone | 50% |
3 | K2S2O8 | 27% |
4 | CuCl2 | 0% |
5 | Cu(OAc)2 | 0% |
6 | Benzoquinone | 0% |
7 | Air | 0% |
Yields determined by GC relative to an internal standard