Abstract
The Cu(II) and Cu(I) complexes with 2-(3,5-diphenyl-1H-pyrazole-1-yl)-4,6-diphenylpyrimidine (L) of the composition CuLX2 (X = Cl, Br) and CuL(MeCN)Br are synthesized. According to X-ray diffraction data, the complexes have molecular structures. The molecules L are coordinated to the copper atom in bidentate-cyclic mode, i.e., through the N2 atom of pyrazole and N1 atom of pyrimidine rings. The coordination polyhedron of the Cu2+ ion in CuLX2 compounds is completed to a distorted tetrahedron with halide ions, that of the Cu+ ion in CuL(MeCN)Br compounds, with the bromide ion and the nitrogen atom of acetonitrile molecule. The CuLX2 complexes (X = Cl, Br) in combination with cocatalysts (methylaluminoxane and triisobutylaluminium) exhibit catalytic activity in ethylene polymerization.
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Original Russian Text © M.B. Bushuev, V.P. Krivopalov, N.V. Semikolenova, E.V. Peresypkina, A.V. Virovets, L.A. Sheludyakova, L.G. Lavrenova, V.A. Zakharov, S.V. Larionov, 2006, published in Koordinatsionnaya Khimiya, 2006, Vol. 32, No. 3, pp. 208–216.
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Bushuev, M.B., Krivopalov, V.P., Semikolenova, N.V. et al. Cu(II) and Cu(I) complexes with 2-(3,5-diphenyl-1H-pyrazole-1-yl)-4,6-diphenylpyrimidine: Synthesis and structure. Catalytic activity of Cu(II) compounds in reaction of ethylene polymerization. Russ J Coord Chem 32, 199–207 (2006). https://doi.org/10.1134/S1070328406030067
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DOI: https://doi.org/10.1134/S1070328406030067