Pd/Cu-catalyzed oxidation of alkynes into 1,2-diketones using DMSO as the oxidant

Ang Gao, Fan Yang, Ji Li, Yangjie Wu

Tetrahedron

Volume 68, Issue 25, 24 June 2012, Pages 4950–4954

http://dx.doi.org/10.1016/j.tet.2012.04.069