UV–Vis absorption studies of coordination-driven self-assembled 2D metalla-rectangle towards multi-carboxylation anions

Abstract

Self-assembled metalla-rectangle [(ƞ⁶-p-cymene)₄Ru₄(C₆H₂O₄)₂(2)₂](CF₃SO₃)₄ (3) was prepared by the reaction of dinuclear half-sandwich ruthenium(II) complex [Ru₂(ƞ⁶-p-cymene)₂(C₆H₂O₄)Cl₂] (1) with a bis-pyridyl-bis-amide linker (2) in methanol in the presence of AgO₃SCF₃. This new stable discrete 2D structure was fully characterized by analytical techniques including elemental analysis, FT-IR spectroscopy, ¹H NMR, ¹³C NMR, ¹H–¹H COSY, ¹H–¹³C HMQC spectroscopy, and HR-ESI-MS spectrometry. A UV–Vis study was also carried out for both ruthenium complex (1) and metalla-rectangle (3). The UV–Vis absorption studies and Job's plot of multi-carboxylate anions (sodium oxalate and sodium citrate) in presence of metalla-rectangle 3 showed adduct formation in a 1:1 fashion.

Original language	English
Pages (from-to)	262-266
Number of pages	5
Journal	Polyhedron
Volume	157
DOIs	https://doi.org/10.1016/j.poly.2018.10.018
Publication status	Published - 1 Jan 2019

Keywords

Amide linker
Metalla-rectangle
Multi-carboxylate anions
Ruthenium complex
Self-assembly

ASJC Scopus subject areas

Physical and Theoretical Chemistry
Inorganic Chemistry
Materials Chemistry

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title = "UV–Vis absorption studies of coordination-driven self-assembled 2D metalla-rectangle towards multi-carboxylation anions",

abstract = "Self-assembled metalla-rectangle [(ƞ6-p-cymene)4Ru4(C6H2O4)2(2)2](CF3SO3)4 (3) was prepared by the reaction of dinuclear half-sandwich ruthenium(II) complex [Ru2(ƞ6-p-cymene)2(C6H2O4)Cl2] (1) with a bis-pyridyl-bis-amide linker (2) in methanol in the presence of AgO3SCF3. This new stable discrete 2D structure was fully characterized by analytical techniques including elemental analysis, FT-IR spectroscopy, 1H NMR, 13C NMR, 1H–1H COSY, 1H–13C HMQC spectroscopy, and HR-ESI-MS spectrometry. A UV–Vis study was also carried out for both ruthenium complex (1) and metalla-rectangle (3). The UV–Vis absorption studies and Job's plot of multi-carboxylate anions (sodium oxalate and sodium citrate) in presence of metalla-rectangle 3 showed adduct formation in a 1:1 fashion.",

keywords = "Amide linker, Metalla-rectangle, Multi-carboxylate anions, Ruthenium complex, Self-assembly",

author = "Harsh Vardhan and Francis Verpoort",

year = "2019",

month = jan,

day = "1",

doi = "10.1016/j.poly.2018.10.018",

language = "English",

volume = "157",

pages = "262--266",

journal = "Polyhedron",

issn = "0277-5387",

publisher = "Elsevier Limited",

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TY - JOUR

T1 - UV–Vis absorption studies of coordination-driven self-assembled 2D metalla-rectangle towards multi-carboxylation anions

AU - Vardhan, Harsh

AU - Verpoort, Francis

PY - 2019/1/1

Y1 - 2019/1/1

N2 - Self-assembled metalla-rectangle [(ƞ6-p-cymene)4Ru4(C6H2O4)2(2)2](CF3SO3)4 (3) was prepared by the reaction of dinuclear half-sandwich ruthenium(II) complex [Ru2(ƞ6-p-cymene)2(C6H2O4)Cl2] (1) with a bis-pyridyl-bis-amide linker (2) in methanol in the presence of AgO3SCF3. This new stable discrete 2D structure was fully characterized by analytical techniques including elemental analysis, FT-IR spectroscopy, 1H NMR, 13C NMR, 1H–1H COSY, 1H–13C HMQC spectroscopy, and HR-ESI-MS spectrometry. A UV–Vis study was also carried out for both ruthenium complex (1) and metalla-rectangle (3). The UV–Vis absorption studies and Job's plot of multi-carboxylate anions (sodium oxalate and sodium citrate) in presence of metalla-rectangle 3 showed adduct formation in a 1:1 fashion.

AB - Self-assembled metalla-rectangle [(ƞ6-p-cymene)4Ru4(C6H2O4)2(2)2](CF3SO3)4 (3) was prepared by the reaction of dinuclear half-sandwich ruthenium(II) complex [Ru2(ƞ6-p-cymene)2(C6H2O4)Cl2] (1) with a bis-pyridyl-bis-amide linker (2) in methanol in the presence of AgO3SCF3. This new stable discrete 2D structure was fully characterized by analytical techniques including elemental analysis, FT-IR spectroscopy, 1H NMR, 13C NMR, 1H–1H COSY, 1H–13C HMQC spectroscopy, and HR-ESI-MS spectrometry. A UV–Vis study was also carried out for both ruthenium complex (1) and metalla-rectangle (3). The UV–Vis absorption studies and Job's plot of multi-carboxylate anions (sodium oxalate and sodium citrate) in presence of metalla-rectangle 3 showed adduct formation in a 1:1 fashion.

KW - Amide linker

KW - Metalla-rectangle

KW - Multi-carboxylate anions

KW - Ruthenium complex

KW - Self-assembly

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