Polymer-Supported Vinyl Sulfone as an Efficient Reagent for the Synthesis of 3-Monosubstituted Isoxazoles
Polystyrene-supported vinyl sulfone reagent has been developed and used for solid-phase organic synthesis of 3-monosubstituted isoxazoles by 1,3-dipolar cycloaddition reaction with nitrile oxides and subsequent cleavage from the polymer support through an elimination reaction in the presence of potassium tert-butoxide. The advantages of this method include straightforward operation, good yield, and high purity of the crude products.
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Document Type: Research Article
Affiliations: College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang, P.R., China
Publication date: 17 November 2013