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Homo and hetero-bridged dinuclear copper(II) complex: Synthesis, X-ray structure and catalytic N-arylation

Maity, Tanmoy and Saha, Debraj and Das, Soma and Ghosh, Pameli and Koner, Subratanath (2019) Homo and hetero-bridged dinuclear copper(II) complex: Synthesis, X-ray structure and catalytic N-arylation. In: POLYHEDRON, 173 .

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Official URL: http://dx.doi.org/10.1016/j.poly.2019.114127


Two new dinuclear Cu(II) Schiff base compounds were synthesized, structurally characterized and their catalytic efficacy in N-arylation reaction was studied. Reaction of CuCl2 with two different polydentate Schiff base ligands viz. H(2)L1 (H(2)L1 = 1-(N-ortho-hydroxyacetophenimine)-ethane-2-ol) and H2L2 (H2L2 = 2-methoxy-6-(2-hydroxyethylimino)methyl]phenol) has afforded two new very different in structure complexes Cu-2(HL1)(2)(mu-Cl)(2)]center dot(H2O)(3) (1) and Cu2L2(HL2)(mu-Cl)Cl](2)center dot(H2O) (2). Complexes 1 and 2 were characterized by single crystal X-ray diffraction, FT-IR, elemental analysis, UV/Vis spectroscopic and TG/DTA studies. Complex 1 featured a simple dichloro-bridged dinuclear moiety, whereas 2 a hetero-bridged (chloro and phenolic oxygen) dinuclear compound. Catalytic efficacy towards N-arylation reactions between aryl iodide with aryl amine catalyzed by complexes 1 and 2 under homogeneous condition had been studied. Both the catalysts exhibited excellent catalytic efficacy in DMSO medium.

Item Type: Journal Article
Publication: POLYHEDRON
Additional Information: Copyright of this article belongs to PERGAMON-ELSEVIER SCIENCE LTD
Keywords: Schiff base; Copper(II); Dinuclear chloro bridged; N-arylation; Homogeneous catalysis
Department/Centre: Division of Chemical Sciences > Solid State & Structural Chemistry Unit
Date Deposited: 09 Jan 2020 10:41
Last Modified: 09 Jan 2020 10:41
URI: http://eprints.iisc.ac.in/id/eprint/64112

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