Table 3.
entry | ketoazide 175 | R1 | R2 | yield of 176 (%) |
yield of 177 (%) |
---|---|---|---|---|---|
1 | 175a | (CH2)2OBn | H | 43 | 24 |
2 | 175b | 4-Br-C6H4 | H | 43 | 23 |
3 | 175c | C6H5 | H | 46 | 23 |
4 | 175d | H | H | 41 | 22 |
5 | 175e | H | i-Pr | 43 | 28 |
6 | 175f | H | Ph | 85 | 0 |
entry | ketoazide 175 | R1 | R2 | yield of 176 (%) |
yield of 177 (%) |
---|---|---|---|---|---|
1 | 175a | (CH2)2OBn | H | 43 | 24 |
2 | 175b | 4-Br-C6H4 | H | 43 | 23 |
3 | 175c | C6H5 | H | 46 | 23 |
4 | 175d | H | H | 41 | 22 |
5 | 175e | H | i-Pr | 43 | 28 |
6 | 175f | H | Ph | 85 | 0 |