A convergent, flexible synthesis of 1,3-dienes.
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.
Lusinchi
Marie
M
Laboratoire de Synthèse Organique Associé au CNRS, Ecole Polytechnique, Palaiseau, France.
Stanbury
Trevor V
TV
Zard
Samir Z
SZ