Resumo

MOYA, S. A et al. SYNTHESIS, CHARACTERIZATION AND PRELIMINARY CATALYTIC PROPERTIES OF NEW COPPER (I) COMPLEXE [Cu (pyrazolyl)₂]X TYPE. J. Chil. Chem. Soc. [online]. 2010, vol.55, n.4, pp.479-482. ISSN 0717-9707.  http://dx.doi.org/10.4067/S0717-97072010000400015.

The preparation of tetracoordinated copper (I) complexes with the pyrazolyl heterocyclic nitrogen ligand is reported. The new complexes of [Cu(pyrazolyl)₂] X type with X = chloride, bromine, and iodine were characterized by spectroscopic and electrochemical techniques. The results obtained show that the heterocyclic nitrogen ligand is bonded in a bidentate fashion to form monometallic complexes. Exploratory homogeneous catalysis experiments of the water-gas shift reaction (WGSR) have been accomplished by the use of copper complexes in 80 % aqueous 4-picoline solutions. For such systems, formation of H₂ y CO₂ was observed in the initial gas samples.

Palavras-chave : Copper Complexes; Heterocyclic Nitrogen Ligand; Pyrazolyl Ligand; WGSR.

        · texto em Inglês     · Inglês ( pdf )