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00925njm 22002777a 4500 dc Salomó i Prat, Ernest author Orgué Gassol, Sílvia author Riera i Escalé, Antoni author Verdaguer i Espaulella, Xavier author 2016-09-20T15:49:47Z 2016-09-20T15:49:47Z 2016-05-17 2016-09-20T15:49:52Z 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 Highly Enantioselective Iridium-Catalyzed Hydrogenation of Cyclic Enamides