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Título: | Synthesis of (±)-cis-1-Aryl-3-oxo-2,3-dihydro-1H-benzo[f]chromene-2-carbonitriles and (±)-trans-4-Aryl-2-oxo-3,4-dihydro-2H-benzo[h]chromene-3-carbonitriles |
Autor: | Mkaouar, K.; Iriepa, Isabel; Diez-Iriepa, Daniel CSIC; Marco-Contelles, José CSIC ORCID; Ismaili, L.; Chabchoub, Fakher | Palabras clave: | Cyanides Density functional calculations Diastereoselectivity Formic acid Oxygen heterocycles |
Fecha de publicación: | 2019 | Editor: | Wiley-VCH | Citación: | ChemistrySelect 4: 12902-12905 (2019) | Resumen: | The unexpected stereospecific synthesis of (±)-cis-1-aryl-3-oxo-2,3-dihydro-1H-benzo[f]chromene-2-carbonitriles (2) and (±)-trans-4-aryl-2-oxo-3,4-dihydro-2H-benzo[h]chromene-3-carbonitriles (4) from (±)-3-amino-1-aryl-1H-benzo[f]chromene-2-carbonitriles (1) and (±)-2-amino-4-aryl-4H-benzo[h]chromene-3-carbonitriles (3), respectively, by reacting them in formic acid (88%), at reflux, is reported. A DFT analysis has been applied with success to justify these highly stereospecific reactions. | Versión del editor: | http://dx.doi.org/10.1002/slct.201903982 | URI: | http://hdl.handle.net/10261/203073 | DOI: | 10.1002/slct.201903982 | Identificadores: | doi: 10.1002/slct.201903982 issn: 2365-6549 |
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