1 H Nuclear magnetic resonance spectra provide evidence for the existence of ON-dialkylnitramines (RH:NO2R′) in geometrically isomeric forms, which do not appear to be readily interconvertible. The spectra of some isomeric dialkyl nitrosohydroxylamines [RN(NO)OR′ and RN(O):NOR′] suggest for the structure RN(NO)OR′ an easier interconversion of conformers than is observed in N-nitrosodialkylamines. No signs of rotational isomerism were observed at 35° in the alkoxyurethanes which were prepared as intermediates.
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Lamberton et al. (1969) studied this question.