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Synthesis of graphene supported bis(diphenylphosphinomethyl)amino ligands and their Pd(II) and Pt(II) complexes: Highly efficient and recoverable nano-catalysts on vitamin K-3 production

Urus, Serhan; Caylar, Mahmut; Karteri, Ibrahim


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{
  "@context": "https://schema.org/", 
  "@id": 55133, 
  "@type": "ScholarlyArticle", 
  "creator": [
    {
      "@type": "Person", 
      "name": "Urus, Serhan"
    }, 
    {
      "@type": "Person", 
      "affiliation": "Kahramanmaras Sutcu Imam Univ, Res & Dev Ctr Univ Ind Publ Relat, TR-46100 Kahramanmaras, Turkey", 
      "name": "Caylar, Mahmut"
    }, 
    {
      "@type": "Person", 
      "affiliation": "Kahramanmaras Sutcu Imam Univ, Fac Elbistan Technol, Dept Energy Syst Engn, TR-46100 Kahramanmaras, Turkey", 
      "name": "Karteri, Ibrahim"
    }
  ], 
  "datePublished": "2016-01-01", 
  "description": "Novel graphene oxide (GO) supported bis(diphenylphosphinomethyl)amino [GO@CHONHRN(CH2PPh2)(2)] type ligands and their Pd(II) and Pt(II) complexes have been synthesized and characterized using FT-MIR/FAR, SEM, EDX, TEM, XRD, TGA and UV-Visible techniques. Additionally, GO@CHONHRN(CH2PPh2)(2)MX2 (M: Pd(II) and Pt(II)) type complexes were used as heterogeneous nano-catalysts in vitamin K-3 (2-methyl-1,4-naphthoquinone, menadione) synthesis. Graphene-supported aminomethylphosphine-Pd (II) complexes showed the best catalytic activities with high selectivities compared to the graphene-supported aminomethylphosphine-Pt(II) complexes and the literature. Selectivities and the conversions were around 60-65% with of 95-99% and respectively for the GO@aminomethylphosphine-Pd(II) complexes. The area ratio of D and G peaks of GO sheets was calculated as I-D/I-G = 1.19 using Raman spectra. The average grain size of GO and GO@aminomethylphosphine-Pd(II) complexes are determined as 18.02 nm and 46.06 nm from Scherrer's equation, respectively. The band gap (E-g) values of the GO based aminomethylphosphine-metal complexes are analyzed and enhanced from 3.31 eV to 4.21 eV. (C) 2016 Elsevier B.V. All rights reserved.", 
  "headline": "Synthesis of graphene supported bis(diphenylphosphinomethyl)amino ligands and their Pd(II) and Pt(II) complexes: Highly efficient and recoverable nano-catalysts on vitamin K-3 production", 
  "identifier": 55133, 
  "image": "https://aperta.ulakbim.gov.tr/static/img/logo/aperta_logo_with_icon.svg", 
  "license": "http://www.opendefinition.org/licenses/cc-by", 
  "name": "Synthesis of graphene supported bis(diphenylphosphinomethyl)amino ligands and their Pd(II) and Pt(II) complexes: Highly efficient and recoverable nano-catalysts on vitamin K-3 production", 
  "url": "https://aperta.ulakbim.gov.tr/record/55133"
}
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