68486-90-8Relevant articles and documents
BICYCLIC 1,2-OXAZINE N-OXIDES. DIFFERENT BEHAVIOUR IN RING FISSION BETWEEN SYSTEMS DERIVED FROM 5- AND 6-MEMBERED RING CYCLIC ENAMINES
Daneo, S.,Pitacco, G.,Risaliti, A.,Valentin, E.
, p. 1499 - 1504 (2007/10/02)
1,2-Oxazine N-oxides derived from aminocyclohexenes open into the corresponding nitroalkylated trisubstituted enamines, whereas those derived from aminocyclopentenes give stable tetrasubstituted enamines.Both open-chain systems are easily hydrolyzed to the corresponding χ-nitrocycloalkanones.