摘要：

The present invention relates to a novel process for the preparation of a reusable heterogeneous nanopalladium (o) catalyst, for preparing coupling products by C-C bond formation reaction of haloarenes that include unreactive chloroarenes in the presence of base. The catalyst is prepared by an exchange of PdCl followed by reduction on the support selected from LDH and S'-NRX wherein S' is a unmodified surface support selected from resin and silica, R is an alkyl group selected from the group consisting of methyl, ethyl, propyl, butyl, X is selected from the group consisting of Cl, Br, I, F, OH and OAc.

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