Synthesis of the Graphene Supported Pd Composites as Catalyst for the Heck Reaction of Iodobenzene, Acrylic Acid and Triethylamine

Abstract

Graphene-supported Palladium composites were prepared through irradiation of the mixture of K2C2O4, Pd and graphene oxide (GO) with UV light in the presence of ethylene glycol (EG). Since the two-dimensional sheet of GO has a huge surface area, the as-synthesized graphene supported Pd composites kept excellent catalytic activity. There is no reduction agents that were used in the process of synthesis of graphene supported Pd composites. The good yield of cinnamic acid could be obtained when using the as-synthesized graphene-supported Pd composites as a catalyst in the reaction of iodobenzene, acrylic acid and triethylamine in the water system. Furthermore, no obvious mass loss of catalyst could be observed when being used to catalyze the heck reaction multiple times.