Photoredox/rhodium catalysis in C–H activation for the synthesis of nitrogen containing heterocycles

Literature Information

Publication Date 2019-03-06
DOI 10.1039/C9QO00206E
Impact Factor 5.281
Authors

David C. Fabry, Steffen Mader


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Abstract

The cyclization of acetanilides with alkyne derivatives has been accomplished via a direct C–H functionalization/cyclization pathway in the presence of a photoredox catalyst. The combination of a readily available Rh(III) and photoredox catalyst under irradiation with 11 W CFL afforded not only indoles but also pyrrole derivatives in good yields. Mechanistic studies provide evidence for the independent role of each catalyst. In addition, a similar efficiency of the cyclization reaction was achieved with a heterogeneous photoredox catalyst.

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Organic Chemistry Frontiers

Organic Chemistry Frontiers
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Organic Chemistry Frontiers publishes high-quality research from across organic chemistry. Emphases are placed on studies that make significant contributions to the field of organic chemistry by reporting either new or significantly improved protocols or methodologies. Topics include, but are not limited to the following: Organic synthesis Development of synthetic methodologies Catalysis Natural products Functional organic materials Supramolecular and macromolecular chemistry Physical and computational organic chemistry

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