Friedel-Crafts reactions catalyzed by samarium diiodide |
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Authors: | Mohamad Soueidan Richard Gil |
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Institution: | Laboratoire Catalyse Moléculaire, UMR 8182, ICMMO, bâtiment 420, Université Paris-Sud, 91405 Orsay Cedex, France |
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Abstract: | Samarium diiodide is an efficient precatalyst for the Friedel-Crafts reaction involving various aromatic substrates and chelating electrophiles. Alkyl 3,3,3-trifluoropyruvates are transformed into α-hydroxyesters in good yields with total regioselectivity. In reactions involving an ethyl glyoxylate or a glyoxylic imine, α-hydroxyesters or α-aminoesters are obtained with variable amounts of products resulting from a double Friedel-Crafts reaction. |
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Keywords: | Friedel-Crafts reaction Samarium diiodide Catalysis Carbon-carbon bond formation |
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