Sm. Bakunova et al., Reduction of alpha,alpha-dialkoxy-substituted nitroxides: the synthesis ofalpha-alloxynitrones and acetals of N-hydroxyamides, RUSS CHEM B, 48(11), 1999, pp. 2136-2143
Reduction of stable nitroxides derived from tetrahydrooxazole, tetrahydroim
idazole, 2,5-dihydroimidazole, and 2,5-dihydroimidazole 3-oxide containing
alkoxy groups in alpha-position to the nitroxyl group affords alpha-alkoxyn
itrones, acetals of N-hydroxyamides, or their equilibrium mixtures.