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A Novel Ring Transformation of Pyridinium Salts as a Route to 4-Arylpyridines

✍ Scribed by Sergey P. Gromov; Nikolai A. Kurchavov


Publisher
John Wiley and Sons
Year
2002
Tongue
English
Weight
76 KB
Volume
2002
Category
Article
ISSN
1434-193X

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✦ Synopsis


Regiospecific phenylation of pyridine derivatives at the 4-position takes place in the reaction of 4-methylpyridinium salts 1 with other pyridinium salts 2 by intermolecular transformation of the pyridine ring in 1 and participation of the methyl group of 2. The method developed makes it possible to carry out ring transformation not only for pyridinium salts 1 but


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