New Organocatalytic Asymmetric Synthesis of Highly Substituted Chiral 2-Oxospiro-[indole-3,4'- (1',4'-dihydropyridine)] Derivatives
Resumen: Herein, we report our preliminary results concerning the first promising asymmetric synthesis of highly functionalized 2-oxospiro-indole-3, 4'-(1', 4'-dihydropyridine)] via the reaction of an enamine with isatylidene malononitrile derivatives in the presence of a chiral base organocatalyst. The moderate, but promising, enantioselectivity observed (30%–58% ee (enantiomeric excess)) opens the door to a new area of research for the asymmetric construction of these appealing spirooxindole skeletons, whose enantioselective syntheses are still very limited.
Idioma: Inglés
DOI: 10.3390/molecules200915807
Año: 2015
Publicado en: MOLECULES 20, 9 (2015), 15807-15826
ISSN: 1420-3049

Factor impacto JCR: 2.465 (2015)
Categ. JCR: CHEMISTRY, ORGANIC rank: 24 / 59 = 0.407 (2015) - Q2 - T2
Factor impacto SCIMAGO:

Financiación: info:eu-repo/grantAgreement/ES/DGA/E104
Financiación: info:eu-repo/grantAgreement/ES/MICINN/CTQ2013-44367-C2-1-P
Financiación: info:eu-repo/grantAgreement/ES/UZ/JIUZ-2014-CIE-07
Tipo y forma: Article (Published version)
Área (Departamento): Química Orgánica (Departamento de Química Orgánica)

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