4.7 Article

Palladium-Catalyzed Direct C(sp2)-H Alkoxylation of 2-Aryloxypyridines Using 2-Pyridyloxyl as the Directing Group

Journal

JOURNAL OF ORGANIC CHEMISTRY
Volume 79, Issue 17, Pages 8457-8461

Publisher

AMER CHEMICAL SOC
DOI: 10.1021/jo5014146

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Funding

  1. National Natural Science Foundation of China [21272117, 20972068]
  2. Priority Academic Program Development of Jiangsu Higher Education Institutions

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An efficient and highly regioselective palladium-catalyzed ortho-C(sp(2))- H bond alkoxylation of 2-aryloxypyridines was developed using 2-pyridyloxyl as the directing group and alcohols as alkoxylation reagents. Under an air atmosphere and in the presence of PhI(OAc)(2), the reaction gave the corresponding products in moderate to good yields, and a series of functional groups could be tolerated.

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