Regio- and Stereoselective Catalytic Addition of Amides to Alkynes - Blanchot, Mathieu
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The enamide moiety is an important substructure often encountered in biologically active compounds and synthetic drugs. Furthermore, enamides and their derivatives are versatile synthetic intermediates for polymerization, [4+2] cycloaddition, crosscoupling, Heck-olefinination, Halogenation, enantioselective addition or asymmetric hydrogenation. Traditional syntheses of this important substrate class involve rather harsh reaction conditions such as high temperatures and/or the use of strong bases. Based on previous work on the addition of secondary amides to alkynes, a new broadly applicable…mehr

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Produktbeschreibung
The enamide moiety is an important substructure often encountered in biologically active compounds and synthetic drugs. Furthermore, enamides and their derivatives are versatile synthetic intermediates for polymerization, [4+2] cycloaddition, crosscoupling, Heck-olefinination, Halogenation, enantioselective addition or asymmetric hydrogenation. Traditional syntheses of this important substrate class involve rather harsh reaction conditions such as high temperatures and/or the use of strong bases. Based on previous work on the addition of secondary amides to alkynes, a new broadly applicable protocol for the catalytic addition of N-nucleophiles such as primary amides, imides and thioamides to terminal alkynes was developed. The choice of ligands and additives determines the regiochemical outcome so that with two complementary catalyst systems, both the E-anti-Markovnikov products and the Z-anti-Markovnikov products can be synthesized highly regio- and stereoselectively.
Autorenporträt
Born in 1982 in Autun (France); 2000-2005 undergraduate studiesin chemistry at the Université de Bourgogne (Dijon,France)/Université Claude-bernard (Lyon, France). 2005 researchwork with Prof. G. Balme (UCB, Lyon). 2005 PhD work with Prof. L.Gooßen (TU Kaiserslautern, Germany). 2009 Postdoc with Prof. M.Lautens (University of Toronto, Canada).