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The synthesis, structure, and characterization of three novel 1D nitrogen-heterocyclic copper(I)-diphosphine polymers

Authors
Journal
Inorganica Chimica Acta
0020-1693
Publisher
Elsevier
Publication Date
Volume
362
Issue
15
Identifiers
DOI: 10.1016/j.ica.2009.09.035
Keywords
  • Copper(I) Polymer
  • Diphosphine
  • Nitrogen-Heterocyclic
  • 1D Polymer

Abstract

Abstract At ambient temperature, three 1D nitrogen-heterocyclic Cu(I)-diphosphine polymers, {[Cu 2(dppm) 2(BF 4) 2(pyz)](CH 2Cl 2) 2} n ( 1), {[Cu 2(dppm) 2(4,4′-bpy)(CF 3SO 3)](CF 3SO 3)(CH 3OH)} n ( 2), {[Cu 2(dppe) 2 (phen) 2](ClO 4) 2(CH 2Cl 2)} n ( 3) (dppm = bis(diphenylphosphino)methane, dppe = bis(diphenylphosphino)ethane, pyz = pyrazine, 4,4′-bpy = 4,4′-bipyridine, phen = 1,10-phenanthroline) have been synthesized and characterized by X-ray crystallography, luminescence, IR, 1H, and 31P NMR. Structure analysis shows that 1 is a 1D linear polymer, 2 is a 1D stair-shaped polymer, and 3 is a 1D W-shaped polymer. A photoluminescent study of them shows that they exhibit fluorescent emission bands at ca. 555 nm, 535 nm and 557 nm, respectively.

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