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Paper | Regular issue | Vol 38, No. 6, 1994, pp.1333-1338
Published online, 1st January, 1970
DOI: 10.3987/COM-94-6688
Ring-Chain Transformations of Semicyclic 3-Chloropropeniminium Salts to ω-Aminoalkyl-1,2-oxazoles Using Hydroxylamine

Jörg Bohrisch, Michael Pätzel, Jürgen Liebscher,* Peter G. Jones, and A. Chrapkowski

*Fachbereich Chemie, Humboldt-Universität Berlin, Hessische Strasse 1-2, D-10115 Berlin, Germany


Semicyclic 3-chloropropeniminium salts (2) or (8) react with hydroxylamine giving either ω-aminoalkyl-1,2-oxazoles (4, 6, 10) by ring chain transformation or chlorovinyloximes (7) by ring opening