A One-Pot, Stereoselective Synthesis of 1,3- and 1,4-Dienyl Sulfones by Hydrostannylation-Stille Tandem Reaction of Tributyltin Hydride with Acetylenic Sulfones and Alkenyl or Allylic Halides - Cai, Mingzhong; Chen, Guiqin; Hao, Wenyan (Synthesis, 2007)