Ring opening in aziridine tri- and tetramers with HBr leads to the stable hydrobromides of corresponding N1-(β-bromoethyl)ethyleneamines; an initial mixture of linear and branched tetraethyleneimine isomers yielded only a linear bromo derivative.
Oligoaziridines: ring opening with hydrobromic acid
N. M. Nepomnyaschaya, E. A. Tsvetkova and Y. A. Strelenko, Mendeleev Commun., 2004, 014, 78 DOI: 10.1070/MC2004v014n02ABEH001871
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