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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 28, Number 5
BKCSDE 28(5)
May 20, 2007 
 
Title
 A General Strategy for the Synthesis of Amino-Substituted 2-Pyridones Using a Palladium-Catalyzed Amination Reaction
Author
 Young Ha Kim, Yeong-Joon Kim, Sung-Youn Chang, Bum Tae Kim, Jung-Nyoung Heo
Keywords
 2-Pyridone, Aminopyridine, Palladium-catalyzed amination, Microwave, Buchwald-Hartwig amination
Abstract
 A novel library of amino-substituted 2-pyridones has been constructed through a two-step sequence of microwave-promoted Buchwald-Hartwig amination of 2-benzyloxy halopyridines followed by debenzylation. Microwave-promoted amination of 3- or 4-halopyridine in the presence of a suitable palladium catalyst and ligand system provided amino-substituted 2-benzyloxypyridines in excellent yields. Then, debenzylation of 2- benzyloxypyridines afforded the corresponding 2-pyridones with high efficiency.
Page
 777 - 782
Full Text
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