Efficient and selective oxidation of benzylic alcohols by poly -amino acid Co(II)-complex supported on magnetite graphene oxide
سال انتشار: 1398
نوع سند: مقاله کنفرانسی
زبان: انگلیسی
مشاهده: 462
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شناسه ملی سند علمی:
ICCNRT02_195
تاریخ نمایه سازی: 30 آذر 1398
چکیده مقاله:
A cobalt complex of a synthetic poly -amino acid was immobilized on Fe3O4-doped graphene oxide (GO/Fe3O4@PAA Co(II)) and was used as a highly efficient catalyst for the oxidation of bezyl alcohols under mild conditions. PAA was synthesized through a multi-step synthesis, first by a poly condensation reaction of salicylaldehyde followed by the Strecker synthesis. The synthesized nanocomposite was characterized by different methods including FTIR, ICP, XRD, EDX, XPS, FE-SEM, TEM, TGA, VSM and DLS analyses. A wide variety of benzyl alcohols could be tolerated toward oxidation to the corresponding aldehyde in the presence of molecular oxygen without the need for any co-reductant. The magnetic nanocomposite could be readily separated by a magnet from the mixture and reused for several times without any significant reactivity loss, which represents its potential for practical and industrial application.
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نویسندگان
Mohammad Ali Nasseri
Department of Chemistry, Faculty of Sciences, University of Birjand, Birjand ۹۷۱۷۵-۶۱۵, Iran
Simin Ramezani Moghadam Mashhadi
Department of Chemistry, Faculty of Sciences, University of Birjand, Birjand ۹۷۱۷۵-۶۱۵, Iran
Milad kazemnejadi
Department of Chemistry, Faculty of Sciences, University of Birjand, Birjand ۹۷۱۷۵-۶۱۵, Iran
Ali Allahresani
Department of Chemistry, Faculty of Sciences, University of Birjand, Birjand ۹۷۱۷۵-۶۱۵, Iran