Table 2.
Entry | Reactant | EWG | Yield a (%) of 9a-e | Yield a (%) of 11a-e |
---|---|---|---|---|
1 | 8a | MeOCO | 66 | 59 |
2 | 8b | EtOCO | 72 | 64 |
3 | 8c | BnOCO | 62 | 53 |
4 | 8d | MeCO | 57 | 47 |
5 | 8e | PhCO | 54 | 45 |
a Yields of purified isolated products.
Entry | Reactant | EWG | Yield a (%) of 9a-e | Yield a (%) of 11a-e |
---|---|---|---|---|
1 | 8a | MeOCO | 66 | 59 |
2 | 8b | EtOCO | 72 | 64 |
3 | 8c | BnOCO | 62 | 53 |
4 | 8d | MeCO | 57 | 47 |
5 | 8e | PhCO | 54 | 45 |
a Yields of purified isolated products.