Comparison of the catalytic activity of several bimetallic palladium–nickel nanoparticle catalysts in Hiyama cross-coupling reaction of trimethoxyphenylsilane 4 with 4-iodoanisole 39.
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Entry | Cat. | PhSi(OMe)3 (equiv.) | Time (h) | Yield (%) |
1 | Pd/MWCNTs | 1.5 | 3 | 95 |
2 | Pd70Ni30/MWCNTs | 1.5 | 3 | 96 |
3 | Pd/MWCNTs | 1.5 | 1 | 95 |
4 | Pd70Ni30/MWCNTs | 1.5 | 1 | 92 |
5 | Pd/MWCNTs | 1.2 | 1 | 85 |
6 | Pd70Ni30/MWCNTs | 1.2 | 1 | 77 |
7 | Pd50Ni50/MWCNTs | 1.2 | 1 | 76 |
8 | Pd30Ni70/MWCNTs | 1.2 | 1 | 82 |