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The coupling of carbon dioxide and epoxides by phenanthroline derivatives containing different Cu(II) complexes as catalyst

Kilic, Ahmet; Palali, Ahmet Arif; Durgun, Mustafa; Tasci, Zeynep; Ulusoy, Mahmut


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{
  "DOI": "10.1016/j.saa.2013.04.124", 
  "abstract": "A series of the mononuclear Cu(II) metal complexes containing the ligand Bdppz [(9a,13a-dihydro-4,5,9,14-tetraaza-benzo[b]triphenylene-11-yl)-phenyl-methanone] (L-1) and Aqphen [(12,17-dihydronaphthol[2,3-h]dipyrido[3,2-a:2',3'-c]-phenazine-12,17-dione)] (L-2) were synthesized and used as catalyst for the coupling of carbon dioxide (CO2) and liquid epoxide which served as both reactant and solvent. Dimethylamino pyridine (DMAP) was used as co-catalyst. The yields of epoxides to corresponding cyclic carbonates were determined by comparing the ratio of product to substrate in the H-1 NMR spectrum of an aliquot of the reaction mixture. The mononuclear Cu(II) complexes of these ligands were synthesized by treating an ethanol solvent of the appropriate ligand with a different molar amount of CuCl2 center dot 2H(2)O. The Cu(II) complexes were characterized by FT-IR, UV-Vis, elemental analysis, melting point analysis, mass spectra, molar conductivity measurements and magnetic susceptibility techniques. The reaction of the Bdppz and Aqphen ligands in a 1:1, 1:2 or 1:3 mole ratio with CuCl2 center dot 2H(2)O afforded ionic Cu(II) complexes in the presence of Et3N. (C) 2013 Elsevier B.V. All rights reserved.", 
  "author": [
    {
      "family": "Kilic", 
      "given": " Ahmet"
    }, 
    {
      "family": "Palali", 
      "given": " Ahmet Arif"
    }, 
    {
      "family": "Durgun", 
      "given": " Mustafa"
    }, 
    {
      "family": "Tasci", 
      "given": " Zeynep"
    }, 
    {
      "family": "Ulusoy", 
      "given": " Mahmut"
    }
  ], 
  "container_title": "SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY", 
  "id": "16995", 
  "issued": {
    "date-parts": [
      [
        2013, 
        1, 
        1
      ]
    ]
  }, 
  "page": "432-438", 
  "title": "The coupling of carbon dioxide and epoxides by phenanthroline derivatives containing different Cu(II) complexes as catalyst", 
  "type": "article-journal", 
  "volume": "113"
}
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