Lupita S. Aguirre, Levi T. Litwiller, Alexis N. Lugo, Andy A. Thomas
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Design and Synthesis of Dialkylarylphosphine Urea Ligands and their Application in Palladium-Catalyzed Cross-Coupling Reactions
We describe herein the design and synthesis of a new class of dialkylarylphosphine ligands incorporating a Lewis-basic urea subunit. The ligand synthesis consisted of six linear steps and was enabled by the discovery of a new N-to-N alkyl migration reaction. This new series of dialkylarylphosphine urea ligands were applied in common palladium-catalyzed cross-coupling reactions for the formation of carbon-carbon and carbon-nitrogen bonds in moderate to high yields.
期刊介绍:
Helvetica Chimica Acta, founded by the Swiss Chemical Society in 1917, is a monthly multidisciplinary journal dedicated to the dissemination of knowledge in all disciplines of chemistry (organic, inorganic, physical, technical, theoretical and analytical chemistry) as well as research at the interface with other sciences, where molecular aspects are key to the findings. Helvetica Chimica Acta is committed to the publication of original, high quality papers at the frontier of scientific research. All contributions will be peer reviewed with the highest possible standards and published within 3 months of receipt, with no restriction on the length of the papers and in full color.