Table 1.
entry | n | 144 | Rh2L4 | ratio of 145:146 |
combined yield (%) |
ee of 145 (%) |
ee of 146 (%) |
---|---|---|---|---|---|---|---|
1 | 0 | 144a | Rh2(5S-MEPY)4 | 1:99 | 67 | n/a | 97 |
2 | 1 | 144b | Rh2(4S-MEOX)4 | 74:26 | 95 | 98 | 15 |
3 | 1 | 144b | Rh2(5S-MEPY)4 | 33:67 | 67 | 97 | 30 |
4 | 1 | 144b | Rh2(4S-MACIM)4 | 61:39 | 81 | 96 | 66 |