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Highly Enantioselective Iridium-Catalyzed Hydrogenation of Cyclic Enamides
Salomó, Ernest; Orgué Gassol, Sílvia; Riera i Escalé, Antoni; Verdaguer i Espaulella, Xavier
Universitat de Barcelona
The MaxPHOX-Ir catalyst system provided the highest selectivity ever reported for the redn. of cyclic enamides derived from α- and β-tetralones. This result indicates that iridium catalysts are also proficient in reducing alkenes bearing metal-coordinating groups. In the present system, selectivity was pressure-dependent: in most cases, a decrease in the H2 pressure to 3 bar resulted in an increase in enantioselectivity. Moreover, the process can be carried out in environmentally friendly solvents, such as methanol and Et acetate, with no loss of selectivity.
Hidrogenació
Catàlisi asimètrica
Enantiòmers
Hydrogenation
Enantioselective catalysis
Enantiomers
cc-by-nc (c) Salomó, Ernest et al., 2016
http://creativecommons.org/licenses/by-nc/3.0/es
Article
info:eu-repo/semantics/publishedVersion
Wiley
         

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