de Voghel, G.J., et al. “Facile Synthesis of 2-Dimethylamino-Δ-1-Azirine Derivatives by Thermal or Photo-Isomerization of Isoxazoles [1]”.
CHIMIA
, vol. 30, no. 3, Mar. 1976, p. 191,
https://doi.org/10.2533/chimia.1976.191
.