Dialkylzinc-assisted alkynylation of nitrones.
[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.
Pinet
Sandra
S
LEDSS, UMR 5616, Université J.Fourier, BP53, F-38041 Grenoble Cedex 9, France.
Pandya
Shashi Urvish
SU
Chavant
Pierre Yves
PY
Ayling
Alexander
A
Vallee
Yannick
Y