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Rearrangement of ethyl 2-(3-amino-4-pyridinyl)hydrazinecarboxylate hydrochloride to 1-amino-1H-imidazo[4,5-c]pyridin-2(3H)one hydrochloride

✍ Scribed by George C. Wright


Book ID
112123771
Publisher
Journal of Heterocyclic Chemistry
Year
1976
Tongue
English
Weight
181 KB
Volume
13
Category
Article
ISSN
0022-152X

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1,3-Dihydro-2H-imidazo[4,5-c]pyridin-2-o
✍ Jarle Holt; Jan M. Bakke; Anne Fiksdahl πŸ“‚ Article πŸ“… 2006 πŸ› Journal of Heterocyclic Chemistry 🌐 English βš– 243 KB

## Abstract magnified image A facile acid catalysed cyclisation method for the preparation of the cyclic urea 2__H__‐imidazo[4,5‐__c__]pyridin‐2‐one (**2**) in > 95 % yield is reported. The biologically active compound **2** can be obtained by heating (3‐amino‐4‐pyridinyl)‐carbamic acid methyl, et