Abstract
Mononuclear copper(I) complexes [CuL2]I (1), [CuL2](2)[Cu2I4]center dot 2MeCN (2) and [CuL2]PF6 (3) with a new chelating pyrazolylpyrimidine ligand, 2-(3,5-dimethyl-1H-pyrazol-1-yl)-4,6-diphenylpyrimidine (L), were synthesized. In the structures of complex cations [CuL2](+), Cu+ ions coordinate two L molecules (N,N-chelating coordination). Extended pi-systems of the L molecules in [CuL2](+) favor ...
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