‘Ligand-free’ palladium-catalyzed direct C–H bond oxidative acyloxylation of 2-arylpyridines with aromatic carboxylic acids

Chao-Jun Hu, Xiao-Hong Zhang, Qiu-Ping Ding, Ting Lv, Shao-Peng Ge, Ping Zhong

Tetrahedron Letters

Volume 53, Issue 19, 9 May 2012, Pages 2465–2468

http://dx.doi.org/10.1016/j.tetlet.2012.03.022