Table 1.
No. | Donor | Temp [°C] | Time | Yield [%] | α/β ratio |
---|---|---|---|---|---|
1 | 18 | 40 | 2 h | 82 | 1:2 |
2 | 18 | 0 | 5 h | 76 | 1:5 |
3 | 18 | −60 | 3 days | 76 | 1:29 |
4 | 19 | 40 | 5 min | 83 | 1:4 |
5 | 19 | 0 | 30 min | 74 | 1:9 |
6 | 19 | −60 | 12 h | 73 | 1:50 |
No. | Donor | Temp [°C] | Time | Yield [%] | α/β ratio |
---|---|---|---|---|---|
1 | 18 | 40 | 2 h | 82 | 1:2 |
2 | 18 | 0 | 5 h | 76 | 1:5 |
3 | 18 | −60 | 3 days | 76 | 1:29 |
4 | 19 | 40 | 5 min | 83 | 1:4 |
5 | 19 | 0 | 30 min | 74 | 1:9 |
6 | 19 | −60 | 12 h | 73 | 1:50 |