Synthesis and structure of a novel copper (II) nitrate complex of 2,4-dioxo-4-phenylbutanoic acid |
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Authors: | Brian R. Landry Mark M. Turnbull Brendan Twamley |
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Affiliation: | (1) Carlson School of Chemistry and Biochemistry, Clark University, 950 Main Street, Worcester, MA, 01610, USA;(2) University Research Office, University of Idaho, Moscow, ID, 83844, USA |
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Abstract: | 2,4-Dioxo-4-phenylbutanoic acid, 1, was synthesized as a biproduct of the attempted synthesis of 1,6-bisphenyl-1,3,4,6-hexanetetrone. Crystals of [Cu(H2O)(bipy) (L)][Cu(bipy)(L)(NO3)] (H2O)(NO3) (L = 2,4-dioxolato-4-phenylbutanoic acid and bipy = 2,2′-bipyridine), 2, were grown by slow evaporation of a solution of Cu(NO3)2·3 H2O, 2,2′-bipyridine, and 1 in a mixture of ethanol and water. The compound crystallized in the triclinic space group P-1 and is made up of two distinct molecular units each with approximately square pyramidal geometry: a = 10.663(2) ?, b = 13.275(3) ?, c = 15.071(3) ?, α = 80.26(3)°, β = 74.13(3)°, γ = 89.12(3)°. The copper ions are chelated by molecules of 1 and molecules of bipyridine. The molecular units are arrayed in rows held together by pi-stacking interactions and hydrogen bonding. |
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Keywords: | Copper(II) Acac analog Dioxophenylbutanoic acid |
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