A New Route to 1,3-Dienes: TMSI Elimination of 2-Ene-1,4-diols

Abstract Iodotrimethylsilane effects conversion of acyclic bis-secondary 2-ene-1,4-diols to 1,3-dienes in moderate yield. The reaction with 3-hexene-2,5-diol favors anti elimination but is largely nonstereospecific.