Search results for "Tertiary-Amines"

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A Combination of Visible-Light Organophotoredox Catalysis and Asymmetric Organocatalysis for the Enantioselective Mannich Reaction of Dihydroquinoxal…

2019

[EN] An enantioselective photooxidative Mannich reaction of dihydroquinoxalinones with ketones by the merger of organophotoredox and asymmetric organocatalysis is described. This protocol features very mild reaction conditions using simple and cheap catalysts (Eosin Y and (S)-Proline) for the synthesis of chiral quinoxaline derivatives with good to high yields (up to 94%) and excellent enantioselectivities (up to 99% ee).

AlkylationActivation010402 general chemistry01 natural sciencesBiochemistryCatalysisReaccions químiqueschemistry.chemical_compoundQuinoxalineCatàlisiComplexesTertiary-AminesAcidOrganic chemistryPhysical and Theoretical ChemistryEosin YFunctionalizationMannich reactionReaction conditions010405 organic chemistryOrganic ChemistryEnantioselective synthesisMethodology0104 chemical sciencesPhotoredox catalysisEfficientchemistryOrganocatalysisFISICA APLICADAHydrogenationQuímica orgànicaVisible spectrum

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PEPhysical Sciences and Engineering
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LSLife Sciences
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SHSocial Sciences and Humanities
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