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- W4313886413 endingPage "1723" @default.
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- W4313886413 abstract "The integration of oxidation and enantioselective reduction enables a redox deracemization to directly access enantioenriched products from their corresponding racemates. However, the solution of the kinetically microscopic reversibility of substrates used in this oxidation/reduction unidirectional event is a great challenge. To address this issue, we have developed a light-driven strategy to enable an efficient redox deracemization of cyclamines. The method combines a photocatalyst and a chiral phosphoric acid in a toluene/aqueous cyclodextrin emulsion biphasic co-solvent system to drive the cascade out-of-equilibrium. Systemic optimizations achieve a feasible oxidation/reduction cascade sequence, and mechanistic investigations demonstrate a unidirectional process. This single-operation cascade route, which involves initial photocatalyzed oxidation of achiral cyclamines to cyclimines and subsequent chiral phosphoric acid-catalyzed enantioselective reduction of cyclimines to chiral cyclamines, is suitable for constructing optically pure indolines and tetrahydroquinolines." @default.
- W4313886413 created "2023-01-10" @default.
- W4313886413 creator A5009417704 @default.
- W4313886413 creator A5016038041 @default.
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- W4313886413 creator A5059265989 @default.
- W4313886413 creator A5086110368 @default.
- W4313886413 creator A5091116308 @default.
- W4313886413 date "2023-01-01" @default.
- W4313886413 modified "2023-09-26" @default.
- W4313886413 title "Light-driven redox deracemization of indolines and tetrahydroquinolines using a photocatalyst coupled with chiral phosphoric acid" @default.
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