Enantioselective synthesis of 2‑amino-1,1-diarylalkanes bearing a carbocyclic ring substituted indole through asymmetric catalytic reaction of hydroxyindoles with nitroalkenes
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Vila Descals, Carlos; Rostoll Berenguer, Jaume; Sánchez-García, Rubén; Blay Llinares, Gonzalo; Fernández Picot, Isabel; Muñoz, M. Carmen; Pedro, José Ramón
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Aquest document és un/a article, creat/da en: 2018
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An asymmetric catalytic reaction of hydroxyindoles with nitroalkenes leading to the Friedel−Crafts alkylation in the carbocyclic ring of indole is presented. The method is based on the activating/directing effects of the hydroxy group situated in the carbocyclic ring of the indole providing nitroalkylated indoles functionalizated at the C-4, C-5, and C-7 positions with high yield, regio-, and enantioselectivity. The optically enriched nitroalkanes were transformed efficiently in optically enriched 2-amino-1,1-diarylalkanes bearing a carbocyclic ring substituted indole. |
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