Abstract
A number of structurally and electronically diverse N-vinyl nitrones have been synthesized by a two-step method. The sequence consists of condensation of an α-chloroaldehyde or an α-phenoxy- or α-acetoxy ketone with a substituted benzyl hydroxylamine to provide the corresponding nitrone. Treatment of these species with a base induces a 1,4-elimination to provide the desired N-vinyl nitrone in good to excellent yields.
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