Irradiation of N-nitrosomethylaminoanthraquinones results in two photoreactions, namely denitrosation to give the methylanthraquinones, and rearrangement to 1,10-anthraquinones. Photolytic replacement of hydrogen by a nitroso group has been observed with 2-alkylamino-1,10-anthraquinones. An intermolecular homolytic mechanism is proposed for this reaction.
Irradiation of N-nitrosomethylaminoanthraquinones results in two photoreactions, namely denitrosation to give the methylanthraquinones, and rearrangement to 1,10-anthraquinones. Photolytic replacement of hydrogen by a nitroso group has been observed with 2-alkylamino-1,10-anthraquinones. An intermolecular homolytic mechanism is proposed for this reaction.