Abstract
The titled new functionalized ligand of type 2-[(phenyl)-(3,5-dimethyl-pyrazol-1-yl)-methyl]-malonic acid diethyl ester (4) is prepared in good yield through condensation of 3,5-dimethyl-pyrazole, with 2-arylidene-malonic acid diethyl esters 3. The structure of 4 was determined by spectral (IR, 1H and 13C NMR), elemental analyses and X-ray diffraction data. The title compound (4) crystallizes in the monoclinic space group P21/a, with a = 7.9253 (2), b = 17.1299 (5), c = 13.4522 (4) A, β = 90.220 (2)°, V = 1,826.25 (9) A3, Z = 4 and with R int = 0.021. The molecular conformation shows two possible pockets ready to coordinate two metal atoms. The crystal structure of (4) is stabilized by inter-molecular C–H⋯O and C–H⋯N hydrogen bonding. [Structure of 2-[(phenyl)-(3,5-dimethyl-pyrazol-1-yl)-methyl]-malonic acid diethyl ester. I. Meskini, L. Toupet,* M. Daoudi, A. Kerbal, M. Akkurt,* Z. H. Chohan and T. Ben Hadda* The molecular conformation shows two possible pockets ready to coordinate two metal atoms. The crystal structure of (4) is stabilized by inter-molecular C–H⋯O and C–H⋯N hydrogen bonding interactions] --> .
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