Palladium nanoparticles supported on layered hydroxide salts and their use in carbon-carbon coupling organic reactions

Journal of the Brazilian Chemical Society

Maby Martínez²  Rogelio Ocampo²  Luz Amalia Rios²  Alfonso Ramírez¹  Oscar Giraldo¹ 

[1] ,Universidad de Caldas Departamento de Química Manizales,Colombia

关键词: zinc hydroxide salts;    palladium nanoparticles;    Heck reactions;    Suzuki reactions;    hexachloropalladate;   

DOI  :  10.1590/S0103-50532011001200012

来源: SciELO

【 摘 要 】

Palladium nanoparticles supported on zinc hydroxide salts were prepared by intercalation of [PdCl6]2- and its further reduction with ethanol under reflux. All the materials were completely characterized by atomic absorption spectroscopy (AAS), X-ray diffraction (XRD), thermogravimetric/derivative thermogravimetric (TG/DTG) analyses, scanning electron microscopy (SEM), UV-Visible spectrometry and transmission electron microscopy (TEM). TEM analysis confirmed that the palladium nanoparticles were properly supported. The material containing supported palladium nanoparticles was used to promote Heck and Suzuki coupling reactions starting from aryl halides, with isolated yields of 98, 75 and 62% of biphenyl, cinnamic acid and 3-nitrobiphenyl, respectively.

【 授权许可】

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