J. Bohrisch et al., RING-CHAIN TRANSFORMATIONS OF SEMICYCLIC 3-CHLOROPROPENIMINIUM SALTS TO OMEGA-AMINOALKYL-1,2-OXAZOLES USING HYDROXYLAMINE, Heterocycles, 38(6), 1994, pp. 1333-1338
Semicyclic 3-chloropropeniminium salts (2) or (8) react with hydroxyla
mine giving either omega-aminoalkyl-1,2-oxazoles (4, 6, 10) by ring ch
ain transformation or chlorovinyloximes (7) by ring opening.