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Abstract:Radical cations were generated from different phenyl-substituted aziridines by pulse radiolysis in aqueous solution containing TlOH In the pulse radiolysis experiments in aqueous solution, the primary oxidants can also be observed,whereas in n-butyl chloride a transient at 325 nm remains unidentified. In the Laser Flash experiments, both types of radical cations were also observed.

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The radical cations of 1-butyl-trans-2,3-diphenyl aziridine (1), 1-butyl-2-phenyl aziridine (2), 1,2-diphenyl aziridine (3) and 1-(p-methoxyphenyl)-2-phenyl aziridine (4) were generated upon laser flash photolysis in aqueous and aqueous acetonitrile solutions by direct photoionisation as indicated by the broad absorption band of the solvated electron above 550 nm as well.