1,3-Dipolar cycloadditions of electrogenerated activated olefins to nitrones. Use of 1-arylsulfonylcyclobutenes in the synthesis of new isoxazolidines

Article abstract of DOI:10.1016/S0040-4039(97)10701-8

Specifically electrogenerate 1-sulfonylcyclobutenes can be used in the facile synthesis of 2-oxa-3-azabicyclo[3,2,0]heptane by means of 1,3-dipolar cycloaddition to several nitrones followed by a cathodic cleavage.