Table 1.
entry | reactiona | yield w/ precatalyst 1 | literature precatalyst (literature yield) |
---|---|---|---|
1 | 98% yield (87% yield)b |
(96% yield) ref 14a |
|
2 | 96% yield | [(dppf)Ni(cinnamyl)Cl] (91% yield) ref 9 |
|
3 | 43% yield | Ni(cod)2 PPh3 (68% yield) ref 20 |
|
4 | 98% yield | Ni(cod)2 PCy3 (93% yield) ref 21 |
|
5 | 80% yield | Ni(cod)2 bathophen (67% yield) ref 22 |
|
6c | 83% yield | [(dppf)Ni(o-tolyl)Cl] (85% yield) ref 11 |
|
7 | 79% yield | Ni(cod)2 PCy3 (88% yield) ref 23 |
|
8 | 65% yield | Ni(cod)2 SIPr (95% yield) ref 24 |
|
9 | 86% yield | Ni(cod)2 IPr (98% yield) ref 25 |
The scale and concentrations were identical to the original report. See the Supporting Information for full details.
This reaction was also run on 4 mmol (~1 g) scale.
Entry 6 was run without K3PO4 as this was empirically found to result in higher yield.