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- W2622136273 endingPage "12455" @default.
- W2622136273 startingPage "12450" @default.
- W2622136273 abstract "Abstract 1,3‐Dipolar cycloaddition is a commonly exploited method to access 5‐membered chemical entities with a variety of peripheral functionalities and their stereochemical arrangements. Nitrones are isolable 1,3‐dipoles that exhibit sufficient reactivity toward electron‐deficient olefins in the presence of Lewis acids to deliver highly substituted isoxazolidines. Herein we document that α,β‐unsaturated amides, generally regarded as barely reactive in a 1,3‐dipolar reaction manifold, were effectively activated using the designed 7‐azaindoline auxiliary in an In(OTf) 3 /bishydroxamic acid catalytic system. The broad substrate scope and clean removal of the 7‐azaindoline auxiliary from the product highlight the synthetic utility of the present catalysis." @default.
- W2622136273 created "2017-06-15" @default.
- W2622136273 creator A5012101296 @default.
- W2622136273 creator A5080733133 @default.
- W2622136273 creator A5087992950 @default.
- W2622136273 date "2017-07-04" @default.
- W2622136273 modified "2023-10-14" @default.
- W2622136273 title "α,β‐Unsaturated Amides as Dipolarophiles: Catalytic Asymmetric <i>exo</i>‐Selective 1,3‐Dipolar Cycloaddition with Nitrones" @default.
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- W2622136273 doi "https://doi.org/10.1002/chem.201702330" @default.
- W2622136273 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/28594065" @default.
- W2622136273 hasPublicationYear "2017" @default.
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