Synthesis of mono- and heterodinuclear complexes with unsymmetrical phenol-based dicompartmental ligand containing hexa- and tetradentate coordination sites: An unusual methyl elimination in coordination chemistry

Golchoubian H.; Mardani H.R.; Bruno G.; Amiri Rudbari H.

首页> 外文期刊>Inorganica Chimica Acta >Synthesis of mono- and heterodinuclear complexes with unsymmetrical phenol-based dicompartmental ligand containing hexa- and tetradentate coordination sites: An unusual methyl elimination in coordination chemistry

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Synthesis of mono- and heterodinuclear complexes with unsymmetrical phenol-based dicompartmental ligand containing hexa- and tetradentate coordination sites: An unusual methyl elimination in coordination chemistry

机译：具有不对称酚基双隔室配体的六和四齿配位点的单核和异核复合物的合成：配位化学中一个不常见的甲基消除

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Novel heterodinuclear complexes type [Zn ~(II)LM ~(II)] (ClO _4) _2 where L is a phenol-based ligand with two contiguous hexa-(N _4O _2) and tetra-coordination (O _2N _2) sites and M = Cu or Ni were prepared by a stepwise procedure. The prepared mono- and dinuclear complexes were characterized by elemental analysis, molar conductance measurements, X-ray crystallography, IR, NMR and UV-Vis spectroscopies. Characterization results confirmed the expected C _2 symmetrical geometry for the mononuclear zinc complex with trans-disposed pyridyl ligands. In contrast, the dinuclear complexes showed C _1 symmetrical structures so that, the Zn(II) ion resided in the six-coordination site with cis-disposed pyridyl ligands and the tetradentate compartment is occupied by M(II) ion in a square planar geometry. An unusual methyl elimination was occurred upon the introduction of the M(II) ions into the O _2N _2 coordination site of the mononuclear complex. The reason for these phenomena is an inherent structural feature of the dinucleating macroacyclic ligand that is discussed.

机译：[Zn〜（II）LM〜（II）]（ClO _4）_2型新型异双核配合物，其中L是基于酚的配体，具有两个连续的六-（N _4O _2）和四配位（O _2N _2）位，并且M ＝ Cu或Ni是通过逐步程序制备的。制备的单核和双核配合物通过元素分析，摩尔电导测量，X射线晶体学，IR，NMR和UV-Vis光谱学表征。表征结果证实了具有转位的吡啶基配体的单核锌配合物的预期C _2对称几何形状。相比之下，双核络合物显示出C _1对称结构，因此，Zn（II）离子与顺式吡啶基配体位于六配位位点，四齿区被M（II）离子占据，呈正方形平面几何形状。在将M（II）离子引入单核络合物的O _2N _2配位点后，发生了异常的甲基消除。这些现象的原因是所讨论的双核大环配体的固有结构特征。

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《Inorganica Chimica Acta》 |2012年第null期|共7页
作者
Golchoubian H.; Mardani H.R.; Bruno G.; Amiri Rudbari H.;
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原文格式 PDF
正文语种 eng
中图分类无机化学;
关键词
Dicompartmental ligand; Heterodinuclear complex; Macro-acyclic; Methyl elimination; Phenol-based ligand; X-ray crystal structure;

机译：双隔室配体;异双核配合物;无环;甲基消除;酚基配体;X射线晶体结构;

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1. Synthesis of mono- and heterodinuclear complexes with unsymmetrical phenol-based dicompartmental ligand containing hexa- and tetradentate coordination sites: An unusual methyl elimination in coordination chemistry [J] . Golchoubian H., Mardani H.R., Bruno G., Inorganica Chimica Acta . 2012,第Null期

机译：具有不对称酚基双隔室配体的六和四齿配位点的单核和异核复合物的合成：配位化学中一个不常见的甲基消除
2. Dicompartmental ligands with hexa- and tetradentate coordination sites: One-step synthesis of ligands and metal complexes and their X-ray structure analysis [J] . Rybak-Akimova EV., Busch DH., Alcock NW. Inorganic Chemistry: A Research Journal that Includes Bioinorganic, Catalytic, Organometallic, Solid-State, and Synthetic Chemistry and Reaction Dynamics . 1998,第7期

机译：具有六齿和四齿配位点的双隔室配体：配体和金属配合物的一步合成及其X射线结构分析
3. A convenient and efficient one-step method for the synthesis of dicompartmental ligands with hexa- and tetradentate coordination sites | Golchoubian | Bulletin of the Chemical Society of Ethiopia [J] . Hamid Golchoubian, Hamid Reza Mardani Bulletin of the Chemical Society of Ethiopia . 2010,第1期

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4. In Vivo Coordination Chemistry and Biolocalization of Bis(ligand)oxovanadium(IV) Complexes for Diabetes Treatment [C] . Katherine H. Thompson, Barry D. Liboiron, Graeme R. Hanson, Symposium on Medicinal Inorganic Chemistry . 2005

机译：在糖尿病治疗中的体内配位化学和双（配体）氧化钒（IV）复合物的化学和生物化化
5. Novel polypyridine bidentate, tridentate and tetradentate ligands and their coordination chemistry [D] . Zhang, Gang 2007

机译：新型聚吡啶二齿，三齿和四齿配体及其配位化学
6. Coordination Chemistry of Ru(II) Complexes of an Asymmetric Bipyridine Analogue: Synergistic Effects of Supporting Ligand and Coordination Geometry on Reactivities [O] . Komi Akatsuka, Ryosuke Abe, Tsugiko Takase, 2020

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7. Synthesis and characterization of mono- and bimetallic complexes of Zn(II) and Cu(II); new multifunctional unsymmetrical acyclic and macrocyclic phenol-based ligand [O] . Hamid Golchoubian, Maryam Rezaei 2013

机译：Zn（II）和Cu（II）的单金属和双金属配合物的合成和表征;新型多功能不对称非环状和大环酚基配体

Synthesis of mono- and heterodinuclear complexes with unsymmetrical phenol-based dicompartmental ligand containing hexa- and tetradentate coordination sites: An unusual methyl elimination in coordination chemistry

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