Department of Chemistry, The University of Texas at Austin 105 E 24th Street-Stop A5300, Austin, TX 78712-1224, USA.
Materials Science and Engineering Program and Texas Materials Institute, The University of Texas at Austin, Austin, TX 78712, USA.
Molecules. 2020 Mar 23;25(6):1446. doi: 10.3390/molecules25061446.
The reaction between dipyriamethyrin and copper(II) acetate [Cu(OAc)] afforded what is, to our knowledge, the first transition metal-dipyriamethyrin complex. Molecular and electronic characterization of this binuclear Cu(II) complex via EPR, UV-vis, and single crystal X-ray diffraction analysis revealed marked differences between the present constructs and previously reported binuclear copper(II) hexaphyrin species. UV-vis titration analyses provided evidence for a homotropic positive allosteric effect, wherein the binuclear species is formed without significant intermediacy of a monomeric complex.
二吡咯并[3,4-b:3',4'-e][1,4,8,11]四嗪与醋酸铜[Cu(OAc)]之间的反应提供了我们所知的第一个过渡金属-二吡咯并[3,4-b:3',4'-e][1,4,8,11]四嗪配合物。通过电子顺磁共振(EPR)、紫外-可见(UV-vis)和单晶 X 射线衍射分析对这种双核 Cu(II)配合物的分子和电子特性进行了表征,结果表明,与之前报道的双核铜(II)六吡咯啉物种相比,本构具有明显的差异。紫外-可见滴定分析提供了同型正变构效应的证据,其中双核物种的形成没有单体配合物的显著中间产物。