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A novel ring transformation of uracil into the benzene ring system

โœ Scribed by Kosaku Hirota; Yukio Kitade; Shigeo Senda


Book ID
112125969
Publisher
Journal of Heterocyclic Chemistry
Year
1980
Tongue
English
Weight
101 KB
Volume
17
Category
Article
ISSN
0022-152X

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A novel ring transformation of 5-azidoth
โœ Erik Ceulemans; Leonard K. Dyall; Wim Dehaen ๐Ÿ“‚ Article ๐Ÿ“… 1999 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 516 KB

The 4-oxoalkyl-and 4-iminoaikyl-5-azidothiazoles undergo a ring transformation with nitrogen loss at relatively low temperatures to afford 4-cyanooxazoles and 4-cyanoimidazoles, respectively. The mechamsm, wMch ts thought to revolve a ring openmg-rmg closure process, is discussed.