Synthesis and Characterization of Fatty Acid CopperII Carboxylates with N,N-DiethylnicotinamideReportar como inadecuado

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Croatica Chemica Acta, Vol.73 No.3 September 2000. -

A series of new fatty acid copperII carboxylates of the composition Cu2O2CCnH2n+14Et2nia2 Et2nia = N,N-diethylnicotinamide; n = 6 to 11 were synthesized, characterized and tested for fungicidal activity. The compounds were synthesized and crystallized from aqueous solution only because their solubility in organic solvents is too high. Dimeric structure for ali compounds was proposed μeff at room temperature = 1.43-1.48 BM; UV-Vis λmax at 350-400 nm; IR, ΔνCOO- = 185-199 cm-1. A binuclear paddlewheel cage structure was found for the compound Cu2O2CC7H154Et2nia2 by X-ray diffraction. Screening for fungicidal activity against the woodrotting fungi Trametes versicolor and Antrodia vaillantii shows that the compounds dissolved in DMSO stop mycelium growth completely at a concentration of 1.0 × 10-3 mol L-1. Some of them show strong activity also in more diluted Solutions; however, stronger retardation for Antrodia vaillantii was noticed for all substances.

copperII carboxylates; fatty acids; diethylnicotinamide; crystal structure; fungicidal activity

Autor: Bojan Kozlevčar - ; Faculty of Chemistry and Chemical Technology, University of Ljubljana, Aškerčeva 5, P. O. Box 537, 1001 Lj



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