The behavior of some Wittig reagents toward 4,5,6,7-tetrahydro-3H-1,2-benzo[1,2]dithiole-3-thione

Novel synthetic route for phosphanylidene-benzothiophenethione, benzothiaphosphinine-4-thione, triphenylphosphoranylidenecyclobutane and benzodithiolylidenephosphonate derivatives has been proposed through reactions of 4,5,6,7-tetrahydro-3H-1,2-benzodithiole-3-thione with different Wittig and Wittig–Horner reagents. All new synthesized compounds were fully characterized with elemental and spectroscopic analysis.