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Base-free enantioselective S(N)2 alkylation of 2-oxindoles via bifunctional phase-transfer catalysis
N-Protected oxindole derivatives of unprecedented malleability bearing ester moieties at C-3 have been shown to participate in enantioselective phase-transfer-catalysed alkylations promoted by ad-hoc designed quaternary ammonium salts derived from quinine bearing hydrogen-bond donating substituents....
Autores principales: | , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Beilstein-Institut
2021
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8450950/ https://www.ncbi.nlm.nih.gov/pubmed/34621391 http://dx.doi.org/10.3762/bjoc.17.146 |