Cobalt (II) Phthalocyanine Sulfonate Supported on Reduced Graphene Oxide (RGO) as a Recyclable Photocatalyst for the Oxidation of Aldehydes to Carboxylic Acids

The development of robust and cheap photocatalyst systems for visible-light induced organic substrate transformations is a significant uprising research topic at the crossroads of green chemistry and modern synthetic methodology. Atom economy, efficiency and selectivity are key parameters for the fu...

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Bibliographic Details
Published in:Catalysis letters 2021, Vol.151 (1), p.36-44
Main Authors: Hajimohammadi, Mahdi, Azizi, Naeleh, Tollabimazraeno, Sajjad, Tuna, Ali, Duchoslav, Jiri, Knör, Günther
Format: Article
Language:English
Subjects:
Aldehydes
Carboxylic acids
Catalysis
Chemistry
Chemistry and Materials Science
Graphene
Industrial Chemistry/Chemical Engineering
Organometallic Chemistry
Oxidation
Photocatalysts
Physical Chemistry
Room temperature
Selectivity
Substrates
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Summary:The development of robust and cheap photocatalyst systems for visible-light induced organic substrate transformations is a significant uprising research topic at the crossroads of green chemistry and modern synthetic methodology. Atom economy, efficiency and selectivity are key parameters for the future practical applicability of the specific processes catalyzed. In this context, we report a simple and sustainable oxygen-dependent route for oxidizing various aromatic and aliphatic aldehydes to the corresponding carboxylic acids at room temperature under visible light and sunlight irradiation mediated by cobalt phthalocyanine tetrasulfonic acid (CoPcS) supported on reduced graphene oxide (RGO). Remarkably, products are obtained with (81–100)% conversion and 100% selectivity. Graphic Abstract
ISSN:1011-372X
1572-879X
DOI:10.1007/s10562-020-03287-9