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Zastosuj identyfikator do podlinkowania lub zacytowania tej pozycji: http://hdl.handle.net/20.500.12128/969
Tytuł: Heteroleptic binuclear copper(I) complexes bearing bis(salicylidene)hydrazone ligands: Synthesis, crystal structure and application in catalytic N-alkylation of amines
Autor: Prakash, Govindan
Nirmala, Muthukumaran
Ramachandran, Rangasamy
Viswanathamurthi, Periasamy
Małecki, Jan Grzegorz
Sanmartin, Jesus
Słowa kluczowe: Copper(I) complexes; Oxadiazoles; Azine complexes; XRD studies; N-alkylation
Data wydania: 2015
Wydawca: Elsevier
Abstrakt: A new series of heteroleptic binuclear Cu(I) bis(salicylidene)hydrazone complexes (1–4) bearing triphenylphospine coligands have been synthesized from the reactions of copper II) precursor complex [CuCl2(PPh3)2] with oxadiazole compounds A–D, respectively. It has been observed that the oxadiazole compounds undergo ring cleavage with in situ reduction of Cu(II) ion, during the formation of complexes (1–4). The oxadiazoles (A–D) and the Cu(I) complexes (1–4) have been characterized by analytical and spectroscopic methods. Single crystal X-ray diffraction study of complex 2 has revealed a distorted tetrahedral geometry around each Cu(I) center. Catalytic efficiency of the new complexes on the N-alkylation of amines using alcohols was studied under optimized conditions. The new complexes have also been tested for their catalytic activity towards the direct N-alkylation of 2-nitropyridine.
URI: http://hdl.handle.net/20.500.12128/969
DOI: 10.1016/j.poly.2014.12.015
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