Table 18.
entry | RX | R | 502 | yield (%) |
---|---|---|---|---|
1 | EtI | Et | 502a | 84 |
2 | allylBr | allyl | 502b | 71 |
3 | ICH2CO2Me | I | 502c | 42 |
4 | BrCH2CO2Me | Br | 502d | 34 |
5 | ClCH2CO2Me | COCH2Cl | 502e | 66 |
6 | (CO2Me)2 | COCO2Me | 502f | 90 |
entry | RX | R | 502 | yield (%) |
---|---|---|---|---|
1 | EtI | Et | 502a | 84 |
2 | allylBr | allyl | 502b | 71 |
3 | ICH2CO2Me | I | 502c | 42 |
4 | BrCH2CO2Me | Br | 502d | 34 |
5 | ClCH2CO2Me | COCH2Cl | 502e | 66 |
6 | (CO2Me)2 | COCO2Me | 502f | 90 |