Hierarchical Assemblies of Unsymmetric Pt Complexes with Ag ions: Two Types of Assembly Modes Depending on the Remote Ancillary Groups in the Bridging Ligands.

IF 3.9 2区 化学 Q2 CHEMISTRY, MULTIDISCIPLINARY
Yiming Yang, Shinnosuke Horiuchi, Kenichiro Omoto, Eri Sakuda, Yasuhiro Arikawa, Keisuke Umakoshi
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引用次数: 0

Abstract

Self-assembly via noncovalent interactions can amplify small structural differences in small molecular units, producing large supramolecular architectures with structure-dependent complexities and characteristics. In this paper, the unique self-assembly behaviors of mononuclear Pt(II) complex units accommodating Ag(I) ions are reported. The Pt complex with the N^C chelating ligand and two different kinds of pyrazole ligands gave two regioisomers, whose structural difference was only the position of the N and C donor atoms in the N^C chelating ligands. This small structural difference influences the assembled structures with Ag ions, producing two different types of heteropolynuclear complexes with different clustering motifs. This was further amplified via a hierarchical assembly process incorporating additional Ag ions to afford two different types of Pt-Ag cluster-of-cluster complexes. This study proves that the self-assembly of unsymmetrical fragments can endow significant complexity and perturbation in the molecular system, enabling the observation of unique molecular behaviors.

不对称银离子铂配合物的分层组装:依赖于桥接配体中远端辅助基团的两种组装模式。
通过非共价相互作用的自组装可以放大小分子单位的小结构差异,产生具有结构依赖复杂性和特征的大型超分子结构。本文报道了容纳Ag(I)离子的单核Pt(II)配合单元的独特自组装行为。与N^C螯合配体的Pt配合物与两种不同的吡唑配体得到两种区域异构体,其结构差异仅在于N^C螯合配体中N和C给体原子的位置不同。这种微小的结构差异影响了Ag离子的组装结构,产生了两种不同类型的杂多核配合物,具有不同的聚类基序。通过加入额外银离子的分层组装过程进一步放大,以提供两种不同类型的Pt-Ag簇簇配合物。本研究证明,不对称片段的自组装可以赋予分子系统显著的复杂性和摄动性,从而可以观察到独特的分子行为。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Chemistry - A European Journal
Chemistry - A European Journal 化学-化学综合
CiteScore
7.90
自引率
4.70%
发文量
1808
审稿时长
1.8 months
期刊介绍: Chemistry—A European Journal is a truly international journal with top quality contributions (2018 ISI Impact Factor: 5.16). It publishes a wide range of outstanding Reviews, Minireviews, Concepts, Full Papers, and Communications from all areas of chemistry and related fields. Based in Europe Chemistry—A European Journal provides an excellent platform for increasing the visibility of European chemistry as well as for featuring the best research from authors from around the world. All manuscripts are peer-reviewed, and electronic processing ensures accurate reproduction of text and data, plus short publication times. The Concepts section provides nonspecialist readers with a useful conceptual guide to unfamiliar areas and experts with new angles on familiar problems. Chemistry—A European Journal is published on behalf of ChemPubSoc Europe, a group of 16 national chemical societies from within Europe, and supported by the Asian Chemical Editorial Societies. The ChemPubSoc Europe family comprises: Angewandte Chemie, Chemistry—A European Journal, European Journal of Organic Chemistry, European Journal of Inorganic Chemistry, ChemPhysChem, ChemBioChem, ChemMedChem, ChemCatChem, ChemSusChem, ChemPlusChem, ChemElectroChem, and ChemistryOpen.
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