2,2-Disubstituted-4,4-dimethylimidazolidinyl-3-oxy Nitroxides: Indicators of Aqueous Acidity through Variation of αN with pH

Article abstract of DOI:10.1021/ja00367a029

The synthesis and properties of two members, 17 and 18, of a new series of nitroxide absolute pH indicators are reported.Imidazolidine nitroxide 17 is prepared from cyclohexanone and 1,2-diamino-2-methylpropane via the route 11 -> 13 -> 14 -> 17.Amino imi