Ar. Chowdhury et al., NOVEL TRI-N-BUTYLTIN HYDRIDE-AZOISOBUTYRONITRILE-INDUCED INTRAMOLECULAR RING-CLOSURE REACTION - A CONVENIENT SYNTHESIS OF SUBSTITUTED AZETIDIN-3-ONES, Journal of chemical research. Synopses, (7), 1997, pp. 254-255
Tri-n-butyltin hydride-azoisobutyronitrile-mediated intramolecular rin
g-closure reactions yield 2-cyano-1,2-di(phenyl or substituted phenyl)
azetidin-3-ones; N-15 NMR studies support the assigned structures.