Heterocycles containing a bridge nitrogen atom. 10. Unexpected closure of oxazole ring during the reaction of 2-chloro-1-phenacylpyridinium salt with potassium cyanate. Crystal structure of 2-(p-nitrophenyl)oxazolo-[3,2-a]pyridinium bromide and N-(p-nitrophenacyl)pyrid-2-one

E. V. Babaev,V. B. Rybakov,S. G. Zhukov,I. A. Orlova

Heterocycles containing a bridge nitrogen atom. 10. Unexpected closure of oxazole ring during the reaction of 2-chloro-1-phenacylpyridinium salt with potassium cyanate. Crystal structure of 2-(p-nitrophenyl)oxazolo-[3,2-a]pyridinium bromide and N-(p-nitrophenacyl)pyrid-2-one

1999

E. V. Babaev
V. B. Rybakov
S. G. Zhukov
I. A. Orlova

Reaction of 2-chloro-N-(p-nitrophenacyl)pyridinium bromide with potassium cyanate in acetonitrile produces 2-(p-nitrophenyl)oxazolopyridinium bromide. Performing the same reaction in methanol N-(p-nitrophenacyl)pyrid-2-one was isolated. The structures of the obtained products were proved by X-ray structural data.

Keywords:

Methanol
Nitrogen
Photochemistry
Chemistry
Organic chemistry
Acetonitrile
Oxazole
Pyridinium
Potassium
Bromide
Potassium cyanate
Inorganic chemistry
pyridinium bromide
Crystal structure

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