N-hydroxy γ-lactams or cyclic N-hydroxy imidates from the organoselenium-induced cyclization of β,γ-unsaturated hydroxamic acids

Abstract
The organoselenium-induced ring-closure reactions of γ-substituted β, γ-unsaturated hydroxamic acids afforded cyclic phenylseleno N-hydroxy imidates or phenylseleno N-hydroxy γ-lactams as the kinetically or thermodynamically controlled products, respectively.