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- W1938768055 endingPage "127" @default.
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- W1938768055 abstract "ABSTRACT: Asymmetric catalysis under almost‐neutral reaction conditions is key for the efficient synthesis of optically active polar molecules. We have developed catalytic enantioselective reactions of acyclic or cyclic alkenyl esters by using an ( S )‐BINOL‐derived chiral tin‐dibromide reagent that possesses a bulky aryl group at the 3 or 3′ position as the chiral pre‐catalyst in the presence of a sodium alkoxide and an alcohol, in which a chiral tin alkoxide bromide is generated in situ and recycled with the assistance of an alcohol. In this Personal Account, we describe three types of asymmetric transformation that proceed through a chiral tin enolate: 1) The asymmetric aldol reaction of alkenyl esters or unsaturated lactones with aldehydes or isatins; 2) the asymmetric three‐component Mannich‐type reaction of alkenyl esters and related cycloaddition reactions; and 3) the asymmetric N ‐nitroso aldol reaction of unsaturated lactones with nitrosoarenes." @default.
- W1938768055 created "2016-06-24" @default.
- W1938768055 creator A5043024558 @default.
- W1938768055 creator A5073365038 @default.
- W1938768055 date "2013-02-01" @default.
- W1938768055 modified "2023-10-18" @default.
- W1938768055 title "Development of Asymmetric Reactions Catalyzed by Chiral Organotin-Alkoxide Reagents" @default.
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- W1938768055 doi "https://doi.org/10.1002/tcr.201200019" @default.
- W1938768055 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/23424074" @default.
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