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Partial Reduction of Pyridinium Salts as a Versatile Route to Dihydropyridones

✍ Scribed by Donohoe, Timothy J.; Johnson, Dale J.; Mace, Laura H.; Bamford, Mark J.; Ichihara, Osamu


Book ID
127367822
Publisher
American Chemical Society
Year
2005
Tongue
English
Weight
61 KB
Volume
7
Category
Article
ISSN
1523-7060

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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