Jump to main content
Jump to site search
Access to RSC content Close the message box

Continue to access RSC content when you are not at your institution. Follow our step-by-step guide.



Synthesis and characterization of new square planar heteroleptic cationic complexes [Ni(ii) β-oxodithioester-dppe]+; their use as a catalyst for Chan–Lam coupling

Author affiliations

Abstract

Novel heteroleptic [Ni(II) β-oxodithioester-dppe]+PF6 complexes (β-oxodithioester = methyl-3-hydroxy-3-benzyl-2-propenedithioate L1 1, methyl-3-hydroxy-3-(p-methoxyphenyl)-2-propenedithioate L2 2, methyl-3-hydroxy-3-(naphthyl)-2-propenedithioate L3 3, methyl-3-hydroxy-3-(p-chlorophenyl)-2-propenedithioate L4 4, methyl-3-hydroxy-3-(p-bromophenyl)-2-propenedithioate L5 5 and methyl-3-hydroxy-3-(p-cyanophenyl)-2-propenedithioate L6 6) have been synthesized and characterized by elemental (C, H, N) analysis, ESI-MS, IR, UV-visible, 1H, 13C{1H}, 31P{1H} and 19F{1H} NMR spectroscopy. The distorted square planar structures of the isomorphous cationic complexes 2, 3, 4 and 5 have been determined by X-ray crystallography. The catalytic activities of 1–6 were investigated for the Chan–Lam coupling reaction involving arylboronic acids and amines to afford N-arylated products in good to excellent yields under mild conditions with 1 mol% catalyst loading. This catalytic protocol offers significant functional group tolerance, and is endowed with a broad substrate scope.

Graphical abstract: Synthesis and characterization of new square planar heteroleptic cationic complexes [Ni(ii) β-oxodithioester-dppe]+; their use as a catalyst for Chan–Lam coupling

Back to tab navigation

Supplementary files

Article information


Submitted
06 Mar 2020
Accepted
13 Jun 2020
First published
15 Jun 2020

New J. Chem., 2020, Advance Article
Article type
Paper

Synthesis and characterization of new square planar heteroleptic cationic complexes [Ni(II) β-oxodithioester-dppe]+; their use as a catalyst for Chan–Lam coupling

K. Kumari, S. Kumar, K. N. Singh, M. G. B. Drew and N. Singh, New J. Chem., 2020, Advance Article , DOI: 10.1039/D0NJ01139H

Social activity

Search articles by author

Spotlight

Advertisements