Journal of the Chemical Society. Chemical communications p. 36 - 37 (1981)
Update date:2022-08-16
Topics:
Abramovitch, Rudolph A.
Dupuy, Claude
Photolysis or thermolysis of 2-azidopyridine 1-oxides (1) in benzene leads to nitrogen-elimination and ring-opening followed by recyclisation to give 6-cyano-1,2-oxazines (5) which then usually rearrange thermally to 2-cyano-1-hydroxypyrroles (2); the photolyses provide a ready, high-yield route to 1,2-oxazines.
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