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Catalytic performances of cross-linking humic acids supported Pd/Ni bimetallic catalyst for heck reaction

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Xu Q., Zhang L., Shi W., Cui Y.

Polish Journal of Chemical Technology

2009

vol. 11

issue 3

22-26

The cross-linking humic acids (CL-HAs), epichlorohydrin as the cross-linking reagent and the supported Pd/Ni bimetallic catalysts (CL-HAs-Pd/Ni) were prepared and characterized by IR, AAS, XPS, TEM. The effects of reaction time, temperature, base, solvent and the amount of catalyst on the properties of the catalyst were studied. These catalysts could catalyze the Heck reaction of aryl halides and substituted aryl halides with acrylic acids or styrene successfully; the yields were all above 95%.

Synthesis of the cross-linked humic acid supporting palladium catalyst and its catalytic properties for Heck reaction

100%

Xu Q., Shi W., Cui Y.

Polish Journal of Chemical Technology

2012

vol. 14

issue 2

75-79

Cross-linked humic acid supporting palladium (CL-HA-Pd) catalyst was prepared readily and characterized by infrared analysis (IR) and thermogravimetric analysis (TG). The catalyst could catalyze the Heck reaction of aryl halide or substituted aryl halide with vinyl compounds in N2 atmosphere; the yields were above 95%. The catalyst could be recovered and reused 7 times with the Heck reaction of iodobenzene with acrylic acid, and the yield was above 75.6%. The results showed that the catalyst had high catalytic activity even at low temperature of 62°C or with a small amount of the catalyst.

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2 Polish Journal of Chemical Technology

1 2012

1 2009

2 Cui Y.

2 Shi W.

2 Xu Q.

1 Zhang L.

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Catalytic performances of cross-linking humic acids supported Pd/Ni bimetallic catalyst for heck reaction

Synthesis of the cross-linked humic acid supporting palladium catalyst and its catalytic properties for Heck reaction