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Synthesis of imidazo[1,2-a] pyridinium salts from 2-alkylaminopyridines. A reexamination

✍ Scribed by Donald E. Kuhla; H. A. Watson Jr.


Book ID
112125431
Publisher
Journal of Heterocyclic Chemistry
Year
1978
Tongue
English
Weight
277 KB
Volume
15
Category
Article
ISSN
0022-152X

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Imidazo [1,2-a] pyridinium salts
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Imidazo[1,5-a]pyridinium Salts from Phen
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## Abstract 3‐Phenylimidazo[1,5‐__a__]pyridinium salts are easily prepared in excellent yield by thermolysis of phenylchlorodiazirine in the presence of 2‐pyridyl Schiff bases (2‐Pyr‐CH=NR, where R is an aromatic or alkyl group). When the reaction is conducted in an alkane solvent, the salts precip