Issue 20, 2023
From the journal:

Catalysis Science & Technology

N-Heterocyclic carbene-based porous polymer macroligand for the Ni-catalyzed C–H arylation of benzothiophenes†

Partha Samanta, ORCID logo ‡*a   Remi Beucher,a   Riddhi Kumari Riddhi, ORCID logo a   Alisa Ranscht,a   Florian M. Wisser, ORCID logo b   Elsje Alessandra Quadrelli ORCID logo a  and  Jerome Canivet ORCID logo *a  

* Corresponding authors

a Univ. Lyon, Université Claude Bernard Lyon 1, CNRS, IRCELYON – UMR 5256, 2 Av. Albert Einstein, 69626 Villeurbanne Cedex, France
E-mail: partha.samanta@icn2.cat, jerome.canivet@ircelyon.univ-lyon1.fr

b Erlangen Center for Interface Research and Catalysis, Friedrich-Alexander-Universität Erlangen-Nürnberg, Egerlandstraße 3, 91058 Erlangen, Germany

Abstract

A porous organic polymer (POP) with imidazolium functionality (IM-POP) has been synthesized through radical polymerization. N-Heterocyclic carbene (NHC) has been generated from an imidazolium moiety via base treatment followed by coordination of nickel salt, giving access to a single-site Ni–NHC catalyst inside the polymeric network. The NiCl2@NHC-POP was found to heterogeneously catalyze the direct selective C2–H arylation of (benzo)thiophenes using various aryl electrophiles with a turnover number (TON) up to 75, reaching cumulative TON of ca. 400 after recycling for six consecutive runs.

Graphical abstract: N-Heterocyclic carbene-based porous polymer macroligand for the Ni-catalyzed C–H arylation of benzothiophenes

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Article information

DOI
https://doi.org/10.1039/D3CY01263H
Article type
Communication
Submitted
11 Sep 2023
Accepted
26 Sep 2023
First published
26 Sep 2023
This article is Open Access
Creative Commons BY-NC license

Catal. Sci. Technol., 2023,13, 5825-5830

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N-Heterocyclic carbene-based porous polymer macroligand for the Ni-catalyzed C–H arylation of benzothiophenes

P. Samanta, R. Beucher, R. Kumari Riddhi, A. Ranscht, F. M. Wisser, E. A. Quadrelli and J. Canivet, Catal. Sci. Technol., 2023, 13, 5825 DOI: 10.1039/D3CY01263H

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