Facile and Selective Synthetic Approach for Ruthenium Complexes Utilizing a Molecular Sieve Effect in the Supporting Ligand

It is extremely important for synthetic chemists to control the structure of new compounds. We have constructed ruthenium-based mononuclear complexes with the tridentate 2,6-di(1,8-naphthyridin-2-yl)pyridine (dnp) ligand to investigate a new synthetic approach using a specific coordination space. Th...

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Main Authors: Dai Oyama, Ayumi Fukuda, Takashi Yamanaka, Tsugiko Takase
Format: Article
Language:English
Published: MDPI AG 2013-12-01
Series:Inorganics
Subjects:
Online Access:http://www.mdpi.com/2304-6740/1/1/32
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author Dai Oyama
Ayumi Fukuda
Takashi Yamanaka
Tsugiko Takase
author_facet Dai Oyama
Ayumi Fukuda
Takashi Yamanaka
Tsugiko Takase
author_sort Dai Oyama
collection DOAJ
description It is extremely important for synthetic chemists to control the structure of new compounds. We have constructed ruthenium-based mononuclear complexes with the tridentate 2,6-di(1,8-naphthyridin-2-yl)pyridine (dnp) ligand to investigate a new synthetic approach using a specific coordination space. The synthesis of a family of new ruthenium complexes containing both the dnp and triphenylphosphine (PPh3) ligands, [Ru(dnp)(PPh3)(X)(L)]n+ (X = PPh3, NO2−, Cl−, Br−; L = OH2, CH3CN, C6H5CN, SCN−), has been described. All complexes have been spectroscopically characterized in solution, and the nitrile complexes have also been characterized in the solid state through single-crystal X-ray diffraction analysis. Dnp in the present complex system behaves like a “molecular sieve” in ligand replacement reactions. Both experimental data and density functional theory (DFT) calculations suggest that dnp plays a crucial role in the selectivity observed in this study. The results provide useful information toward elucidating this facile and selective synthetic approach to new transition metal complexes.
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spelling doaj.art-6e5055ff03d34494ae7b3a917cf866c52022-12-22T01:44:28ZengMDPI AGInorganics2304-67402013-12-0111324510.3390/inorganics1010032inorganics1010032Facile and Selective Synthetic Approach for Ruthenium Complexes Utilizing a Molecular Sieve Effect in the Supporting LigandDai Oyama0Ayumi Fukuda1Takashi Yamanaka2Tsugiko Takase3Department of Industrial Systems Engineering, Cluster of Science and Engineering, Fukushima University, 1 Kanayagawa, Fukushima 960-1296, JapanDepartment of Industrial Systems Engineering, Cluster of Science and Engineering, Fukushima University, 1 Kanayagawa, Fukushima 960-1296, JapanDepartment of Industrial Systems Engineering, Cluster of Science and Engineering, Fukushima University, 1 Kanayagawa, Fukushima 960-1296, JapanCenter for Practical and Project-Based Learning, Cluster of Science and Engineering, Fukushima University, 1 Kanayagawa, Fukushima 960-1296, JapanIt is extremely important for synthetic chemists to control the structure of new compounds. We have constructed ruthenium-based mononuclear complexes with the tridentate 2,6-di(1,8-naphthyridin-2-yl)pyridine (dnp) ligand to investigate a new synthetic approach using a specific coordination space. The synthesis of a family of new ruthenium complexes containing both the dnp and triphenylphosphine (PPh3) ligands, [Ru(dnp)(PPh3)(X)(L)]n+ (X = PPh3, NO2−, Cl−, Br−; L = OH2, CH3CN, C6H5CN, SCN−), has been described. All complexes have been spectroscopically characterized in solution, and the nitrile complexes have also been characterized in the solid state through single-crystal X-ray diffraction analysis. Dnp in the present complex system behaves like a “molecular sieve” in ligand replacement reactions. Both experimental data and density functional theory (DFT) calculations suggest that dnp plays a crucial role in the selectivity observed in this study. The results provide useful information toward elucidating this facile and selective synthetic approach to new transition metal complexes.http://www.mdpi.com/2304-6740/1/1/32synthesisruthenium complexpolypyridyl ligandcrystal structureDFT calculation
spellingShingle Dai Oyama
Ayumi Fukuda
Takashi Yamanaka
Tsugiko Takase
Facile and Selective Synthetic Approach for Ruthenium Complexes Utilizing a Molecular Sieve Effect in the Supporting Ligand
Inorganics
synthesis
ruthenium complex
polypyridyl ligand
crystal structure
DFT calculation
title Facile and Selective Synthetic Approach for Ruthenium Complexes Utilizing a Molecular Sieve Effect in the Supporting Ligand
title_full Facile and Selective Synthetic Approach for Ruthenium Complexes Utilizing a Molecular Sieve Effect in the Supporting Ligand
title_fullStr Facile and Selective Synthetic Approach for Ruthenium Complexes Utilizing a Molecular Sieve Effect in the Supporting Ligand
title_full_unstemmed Facile and Selective Synthetic Approach for Ruthenium Complexes Utilizing a Molecular Sieve Effect in the Supporting Ligand
title_short Facile and Selective Synthetic Approach for Ruthenium Complexes Utilizing a Molecular Sieve Effect in the Supporting Ligand
title_sort facile and selective synthetic approach for ruthenium complexes utilizing a molecular sieve effect in the supporting ligand
topic synthesis
ruthenium complex
polypyridyl ligand
crystal structure
DFT calculation
url http://www.mdpi.com/2304-6740/1/1/32
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AT takashiyamanaka facileandselectivesyntheticapproachforrutheniumcomplexesutilizingamolecularsieveeffectinthesupportingligand
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