Table 1 Enantioselectivity of Rh(I)-catalysed hydrogenation of reaction (1) as a function of applied tensile and compressive strain in loaded and unloaded N1·Rh and N1con·Rh (single gel of each type)
From: Strain-dependent enantioselectivity in mechanochemically coupled catalytic hydrogenation
Entry | Network | Tensile strain (%) | Time (days) | Yield (%) | e.r. | Entry | Network | Tensile strain (%) | Time (days) | yield (%) | e.r. |
|---|---|---|---|---|---|---|---|---|---|---|---|
1 | N1·Rh | 0 | 2 | 42 | 68:32 | 5 | N1con·Rh | 0 | 2 | 31 | 67:33 |
2 | N1·Rh | 30 | 4 | 44 | 75:25 | 6 | N1con·Rh | 30 | 4 | 13 | 67:33 |
3 | N1·Rh | 50 | 8 | 48 | 79:21 | 7 | N1con·Rh | 50 | 8 | 9 | 66:34 |
4 | N1·Rh | Relaxed to 0 | 10 | 28 | 68:32 | 8 | N1con·Rh | Relaxed to 0 | 2 | 10 | 67:33 |
Entry | Network | Compression (%) | Time (days) | Yield (%) | e.r. | Entry | Network | Compression (%) | Time (days) | Yield (%) | e.r. |
9 | N1·Rh | 0 | 2 | 27 | 68:32 | 13 | N1con·Rh | 0 | 2 | 41 | 65:35 |
10 | N1·Rh | 30 | 4 | 41 | 75:25 | 14 | N1con·Rh | 30 | 4 | 29 | 66:34 |
11 | N1·Rh | 50 | 8 | 29 | 79:21 | 15 | N1con·Rh | 50 | 8 | 23 | 66:34 |
12 | N1·Rh | 73 | 9 | 15 | 82:18 |
