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Issue 83, 2020
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Selective photoredox decarboxylation of α-ketoacids to allylic ketones and 1,4-dicarbonyl compounds dependent on cobaloxime catalysis

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Abstract

A photoredox/cobaloxime co-catalyzed coupling reaction of α-ketoacids and methacrylates to obtain allylic ketones is described. Without the cobaloxime catalyst, 1,4-dicarbonyl compounds are generated. The cobaloxime catalyst enables dehydrogenation to generate the formation of new olefins. The generality, good substrate scope and mild conditions are good features in the photoredox/cobaloxime catalysis protocol, and this method will provide new opportunities for the functionalization of more olefins.

Graphical abstract: Selective photoredox decarboxylation of α-ketoacids to allylic ketones and 1,4-dicarbonyl compounds dependent on cobaloxime catalysis

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Supplementary files

Article information


Submitted
17 Aug 2020
Accepted
10 Sep 2020
First published
11 Sep 2020

Chem. Commun., 2020,56, 12530-12533
Article type
Communication

Selective photoredox decarboxylation of α-ketoacids to allylic ketones and 1,4-dicarbonyl compounds dependent on cobaloxime catalysis

H. Zhang, Q. Xiao, X. Qi, X. Gao, Q. Tong and J. Zhong, Chem. Commun., 2020, 56, 12530
DOI: 10.1039/D0CC05580H

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