Table 1 Results for 1a polymerization using various Ni(II) catalysts.
run | Catalyst | [1a]0/[Ni]0 | Mna(kDa) | Mw/Mna | polymer | Yieldb |
|---|---|---|---|---|---|---|
1 | π-allyl–Ni(L1)(OCOCF3) | 100 | —c | — | Oil-like | 12% |
2 | π-allyl–Ni(L2)(OCOCF3) | 100 | — c | — | Oil-like | 15% |
3 | π-allyl–Ni(L3)(OCOCF3) | 100 | — c | — | Oil-like | 24% |
4 | π-allyl–Ni(L4)(OCOCF3) | 100 | — c | — | Oil-like | 18% |
5 | π-allyl–Ni(L5)(OCOCF3) | 100 | —c | — | Oil-like | 15% |
6 | π-allyl–Ni(L6)(OCOCF3) | 100 | — c | — | Oil-like | 30% |
7 | Ph–Ni(L1)Br | 100 | — c | — | Oil-like | 12% |
8 | Ph–Ni(L2)Br | 100 | —c | — | Oil-like | 20% |
9 | Ph–Ni(dppb)Br | 100 | 2.83 | 1.16 | Solid | 30% |
10 | Ph–Ni(dppf)Br | 100 | —c | — | Oil-like | 32% |
11 | Ph–Ni(PPh3)Br | 100 | 2.83 | 1.20 | Solid | 15% |
12 | Ph–Ni(dppp)Br | 100 | 3.46 | 1.15 | Solid | 20% |
13 | BT–Ni(dppp)Cl | 50 | 5.12 | 1.17 | Solid | 65% |
14 | BT–Ni(dppp)Cl | 100 | 10.78 | 1.18 | Solid | 68% |
15 | BT–Ni(dppp)Cl | 150 | 14.80 | 1.19 | Solid | 72% |
16 | BT–Ni(dppp)Cl | 200 | 19.83 | 1.20 | Solid | 78% |
