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Synthesis 2015; 47(10): 1423-1435
DOI: 10.1055/s-0034-1380159
DOI: 10.1055/s-0034-1380159
paper
Studies on the Cocatalyst in Ruthenium-Catalyzed C–H Arylation
Further Information
Publication History
Received: 28 December 2014
Accepted after revision: 16 January 2015
Publication Date:
27 February 2015 (online)
Abstract
The performance of three types of Brønsted acid potassium salts, potassium carboxylates, potassium phosphates, and potassium sulfonates, has been tested as the cocatalyst in ruthenium-catalyzed C–H arylation. Among them, dipotassium glutarate, potassium bis(2-ethylhexyl) phosphate, and potassium 2,4,6-trimethylbenzenesulfonate provided higher activity. Potassium 2,4,6-trimethylbenzenesulfonate was the most active even for less reactive substrates, such as electron-deficient azoles and sterically demanding aryl bromides.
Supporting Information
- Supporting information for this article is available online at http://dx.doi.org/10.1055/s-0034-1380159.
- Supporting Information
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