Palladium-catalyzed oxidative arylation of chromones via a double C–H activation: an expedient approach to flavones

Ko Hoon Kim, Hyun Seung Lee, Se Hee Kim, Jae Nyoung Kim

Tetrahedron Letters

Volume 53, Issue 22, 30 May 2012, Pages 2761–2764

http://dx.doi.org/10.1016/j.tetlet.2012.03.100