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- W4387229621 abstract "δ,ε‐Unsaturated oximes, on heating with O‐alkyl S‐(pyridin‐2‐yl)carbonothioates (PySCO<sub>2</sub>R) in refluxing toluene, undergo intramolecular cycloaddition to give N‐alkoxycarbonylated multi‐cyclic compounds. Mechanistic studies indicate that the reaction involves direct generation of N‐alkoxycarbonyl nitrones followed by cycloaddition, instead of intramolecular oxime‐olefin cycloaddition (IOOC) followed by alkoxycarbonylation. DFT calculation indicates that N‐alkoxycarbonylation of oxime with PySCO<sub>2</sub>R is a concerted reaction. The reaction of oxime with a chiral alkoxycarbonylation reagent exhibits a reasonably high diastereo‐face selectivity." @default.
- W4387229621 created "2023-10-02" @default.
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- W4387229621 date "2023-10-01" @default.
- W4387229621 modified "2023-10-16" @default.
- W4387229621 title "Direct Generation of N‐Alkoxycarbonyl Nitrones from Oximes: Intramolecular Cycloaddition of Oximes Having Alkene Moieties" @default.
- W4387229621 doi "https://doi.org/10.1002/adsc.202300793" @default.
- W4387229621 hasPublicationYear "2023" @default.
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