Synthesis,properties, and crystal structure of a novel 3-hydroxy-(4<Emphasis Type="Italic">H</Emphasis>)-benzopyran-4-one containing copper(II) complex,and its oxygenation and relevance to quercetinase |
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| Authors: | József Kaizer József Pap Gábor Speier Marius Réglier Michel Giorgi |
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| Institution: | (1) Hungarian Academy of Sciences, Research Group for Petrochemistry, Veszprém, 8201, Hungary;(2) Department of Organic Chemistry, University of Veszprém, Veszprém, 8201, Hungary;(3) Université d'aix-Marseille 1 et 3, UMR CNRS, 6517, Faculté des Sciences et Techniques de Saint-Jérome, Chimie, Biologie et Radicaux Libres, Case 432, Avenue Escadrille Normandie-Niemen, Marseille Cedex, 13, 13397, France |
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| Abstract: | The preparation, spectroscopic properties, and crystal structure of Cu(ind)(mco)] ind is the anion of 1,3-bis(2-pyridylimino)isoindoline and mco is the anion of 3-hydroxy-(4H)-benzopyran-4-one] are reported. The complex exhibits a distorted square pyramidal geometry. The oxygenation of the title compound results in oxidative cleavage of the heterocyclic ring to give the (acetylsalicylato)copper(II) complex Cu(asp)(ind)] (asp is the anion of acetylsalicylic acid) and CO as primary products, which reaction resembles the enzymatic reaction of quercetinase. |
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