Download PDF Opens in a new window. Article suggestions will be shown in a dialog on return to ScienceDirect. ... Please enable JavaScript to use all the features on this page. ... A formal [3+3] cycloaddition strategy to substituted glutarimides was studied. N-Benzyl α-sulfonylacetamides and various α,β-unsaturated esters were used as starting materials. ... Sequential treatment of chloroacetyl chloride with benzylamine and sodium p-toluenesulfinate furnished α- ...