Abstract : 1,3-Dienes were prepared from 1,4-ketoxanthates, obtained by the radical addition reaction of an S-(2-oxoalkyl) xanthate to a terminal olefin, through the DBU induced thermal elimination of sulfur dioxide from the derived 2-sulfolenes.
Marie Lusinchi, Trevor Stanbury, Samir Zard. A convergent, flexible synthesis of 1,3-dienes. Chemical Communications, Royal Society of Chemistry, 2002, pp.1532-1533. ⟨10.1039/B203975C⟩. ⟨hal-00954838⟩