Mechanochemical Synthesis of N-Aryl Amides from O-Protected Hydroxamic Acids.
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DOI: 10.1002/cplu.202000451
Abstract: Two robust and efficient mechanochemical protocols for the synthesis of an array of N-arylamides have been developed. This was achieved by a C-N cross-coupling between O-pivaloyl hydroxamic acids and aryl iodides or aryl boronic acids,… read more here.
Keywords: hydroxamic acids; amides protected; mechanochemical synthesis; aryl amides ... See more keywords
Nickel-Catalyzed Gas-Free Reductive Carbonylation of Aryl Thianthrenium Salts to Access Aryl Amides and Aryl Thioesters.
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DOI: 10.1021/acs.orglett.5c01203
Abstract: A nickel-catalyzed site-selective reductive carbonylation of arenes via aryl thianthrenium salts is described. Using Mo(CO)6 as a convenient solid CO source and reductant and employing nitroarenes and sulfonyl chlorides as readily available nitrogen and sulfur… read more here.
Keywords: thianthrenium salts; reductive carbonylation; aryl amides; amides aryl ... See more keywords
Direct C-H difluoroallylation of α,β-unsaturated amides and aryl amides by rhodium catalysis.
Sign Up to like & getrecommendations! Published in 2024 at "Chemical communications"
DOI: 10.1039/d4cc03804e
Abstract: Herein, we report the first example of Rh-catalyzed C(sp2)-H difluoroallylation of α,β-unsaturated amides with 3-bromo-3,3-difluoropropene under mild conditions. The features of this protocol for difluoroallylation are unprecedented vinylic substrates, ethanol as a green solvent, good… read more here.
Keywords: unsaturated amides; difluoroallylation; difluoroallylation unsaturated; aryl amides ... See more keywords