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Cu(I) based catalysts derived from bidentate ligands and studies on effect of substituents for N-arylation of benzimidazoles and indoles

Abstract

A family of Cu(I) complexes [Cu(L1-4)(Cl)(PPh3)] (C1-C4) were synthesized from bidentate ligands L1-L4 (where L1= (E)-2-(2-benzylidene-1-phenylhydrazinyl)pyridine, L2= (E)-N,N-dimethyl-4-((2-phenyl-2-(pyridin-2-yl)hydrazono)methyl)aniline, L3= (E)-2-(2-(4-chlorobenzylidene)-1-phenylhydrazinyl)pyridine and L4= (E)-2-(2-(4-nitrobenzylidene)-1-phenylhydrazinyl )pyridine) and characterized. The structure of complex C1 was authenticated by single-crystal X-ray diffraction. These complexes were utilised as catalysts for N-arylation of benzimidazoles and indoles. Effect of the substituents in the ligand frame of metal complexes were examined and probable reaction pathway was scrutinized.

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Supplementary files

Article information


Submitted
21 May 2020
Accepted
14 Sep 2020
First published
16 Sep 2020

New J. Chem., 2020, Accepted Manuscript
Article type
Paper

Cu(I) based catalysts derived from bidentate ligands and studies on effect of substituents for N-arylation of benzimidazoles and indoles

S. Kumari, A. Ratnam, K. Mawai, V. K. Chaudhary, A. Mohanty and K. Ghosh, New J. Chem., 2020, Accepted Manuscript , DOI: 10.1039/D0NJ02568B

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