Nitrogen-centered radicals produced by the action of Ag (0) or Ag (I)-amine systems on N- chloroazacyclononane, N-chloropiperidine, and N-chlorosuccinimide have been trapped using 2-methyl-2-nitrosopropane. The resulting nitroxides exhibited epr spectra consistent with structures 1, 2, and 3. Hydrogen gas evolved during reaction of the chloramines with Ag (0) was shown to arise completely from the amine derivatives. Excess Ag (0) reduced the ...