Department of Applied Chemistry, College of Life Sciences, Ritsumeikan University, Kusatsu 525-8577, Japan.
Diffraction and Scattering Division, Japan Synchrotron Radiation Research Institute, Sayo 679-5198, Japan.
J Org Chem. 2022 Jun 17;87(12):7818-7825. doi: 10.1021/acs.joc.2c00463. Epub 2022 Jun 7.
In this study, the diverse derivatives of dipyrrolyldiketone boron complexes as anion-responsive π-electronic systems were synthesized via the Huisgen cycloaddition of an ethynyl-substituted anion receptor and azide derivatives. The obtained triazole-substituted anion receptors showed effective anion-binding behaviors and ion-pairing assemblies comprising receptor-anion complexes and countercations. Solid-state ion-pairing structures were modulated according to the introduced azide moieties along with coexisting bulky and π-electronic cations.
在这项研究中，通过炔基取代的阴离子受体与叠氮衍生物的 Huisgen 环加成反应，合成了作为阴离子响应π-电子体系的二吡咯二酮硼配合物的各种衍生物。所得的三唑取代的阴离子受体表现出有效的阴离子结合行为和包含受体-阴离子配合物和抗衡阳离子的离子对组装。根据引入的叠氮基团以及共存的大体积和π-电子阳离子，调节了固态离子对结构。
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