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Dialkylzinc-assisted alkynylation of nitrones
Sandra Pinet1, Shashi Urvish Pandya, Pierre Yves Chavant
1LEDSS, UMR 5616, Université J.Fourier, BP53, F-38041 Grenoble Cedex 9, France.
Organic Letters
|April 27, 2002
Abstract:
[reaction: see text]. Reaction of nitrones with terminal alkynes takes place readily in the presence of a substoichiometric amount of diethylzinc in toluene, affording N-propargyl-hydroxylamines in excellent yields and purity.