Palladium-catalyzed one-pot Suzuki–Miyaura cross coupling followed by oxidative lactonization: a novel and efficient route for the one-pot synthesis of benzo[c]chromene-6-ones

Raju Singha, Soumyabrata Roy, Sukla Nandi, Priyanka Ray, Jayanta K. Ray

Tetrahedron Letters

Volume 54, Issue 7, 13 February 2013, Pages 657–660

http://dx.doi.org/10.1016/j.tetlet.2012.11.144