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Visible-Light Promoted C-O Bond Formation with an Integrated Carbon Nitride-Nickel Heterogeneous Photocatalyst.

Accepted version
Peer-reviewed

Type

Article

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Authors

Vijeta, Arjun 

Abstract

Ni-deposited mesoporous graphitic carbon nitride (Ni-mpg-CNx ) is introduced as an inexpensive, robust, easily synthesizable and recyclable material that functions as an integrated dual photocatalytic system. This material overcomes the need of expensive photosensitizers, organic ligands and additives as well as limitations of catalyst deactivation in the existing photo/Ni dual catalytic cross-coupling reactions. The dual catalytic Ni-mpg-CNx is demonstrated for C-O coupling between aryl halides and aliphatic alcohols under mild condition. The reaction affords the ether product in good-to-excellent yields (60-92 %) with broad substrate scope, including heteroaryl and aryl halides bearing electron-withdrawing, -donating and neutral groups. The heterogeneous Ni-mpg-CNx can be easily recovered from the reaction mixture and reused over multiple cycles without loss of activity. The findings highlight exciting opportunities for dual catalysis promoted by a fully heterogeneous system.

Description

Keywords

carbon nitride, cross-coupling reaction, dual catalysis, heterogeneous catalysis, photocatalysis

Journal Title

Angew Chem Int Ed Engl

Conference Name

Journal ISSN

1433-7851
1521-3773

Volume Title

60

Publisher

Wiley

Rights

All rights reserved
Sponsorship
European Commission Horizon 2020 (H2020) Marie Sk?odowska-Curie actions (745604)
Biotechnology and Biological Sciences Research Council (BB/S00159X/1)
European Commission Horizon 2020 (H2020) Marie Sk?odowska-Curie actions (890745)
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