Va. Mamedov et al., An unexpected reaction of 3-phenyl-3-chloro-2-oxopropanoic acid derivatives with sodium azide. A novel synthesis of highly functionalized oxazolines, HETEROCYCLE, 52(3), 2000, pp. 1385
The reaction of 3-phenyl-3-chloro-2-oxopropanoic acid derivatives with sodi
um azide proceeded unexpectedly with the formation of oxazolines via interm
ediately forming alpha-azido- and/or alpha-imino ketones.