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Montesinos Magraner, Marc; Vila Descals, Carlos; Cantón, Rubén; Blay Llinares, Gonzalo; Fernández Picot, Isabel; Muñoz, M. Carmen; Pedro, José Ramón | |||
Aquest document és un/a article, creat/da en: 2015 | |||
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A quinine-derived thiourea organocatalyst promoted the highly enantioselective addition of naphthols and activated phenols to ketimines derived from isatins. The reaction afforded chiral 3-amino-2-oxindoles with a quaternary stereocenter in high yields (up to 99%) with excellent enantioselectivity (up to 99% ee). To the best of our knowledge, this transformation is the first highly enantioselective addition of naphthols to ketimines. | |||
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