Abstract

Phenothiazine was nitrated and the structure of the compound formed was elucidated by U.V., I.R., N.M.R. and mass spectroscopy techniques. It has been proved that two nitro-groups were fixed on the ring. The d.c. and a.c. polarographic reductions showed that the two nitro-groups were reduced into aminogroups. The reduction proceeds in two waves, with a total of 12 electrons. N-substituted phenothiazine compounds were also investigated using the same technique.

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