Synthesis and crystal structure of Cu(II) and Co(II) complexes with the 1,3-dimethylpyrazole-5-carboxylic acid ligand
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In the reaction of 1,3-dimethylpyrazole-5-carboxylic acid (HL) with M(OAc)(2)center dot 4H(2)O, (M = Cu or Co), two novel complexes were prepared, the square-planar [CuL2(H2O)(2)] and the octahedral [CoL2(MeOH)(4)]. The crystal structures were determined by single-crystal X-ray diffraction. In both complexes, the deprotonated acid displays monodentate coordination to the metal ions. According to the results of a CSD survey, this is the first structural report on the metal complexes with an N-1-substituted pyrazole-5-carboxylic ligand.
Keywords:pyrazole-based ligand / transition metal complex / crystal structure
Source:Journal of the Serbian Chemical Society, 2015, 80, 7, 867-875
- Design, synthesis, characterization and assessment of practical applications of coordination and organometallic compounds (RS-172014)
- Rational design and synthesis of biologically active and coordination compounds and functional materials, relevant for (bio)nanotechnology (RS-172035)
- Ministry of Science of the Republic of Montenegro/Natonal project