SEARCH Articles Figures Tables 2,5 -dihydrothiophene-1,1 -dioxides dienes from 2,5 -dihydrothiophene-1,1 -dioxides quinodimethanes from 2.3- Dihydrothiophene dioxide, thermolysis 2.5- Dihydrothiophene-l ,1-dioxide 3- Methyl-2,5-dihydrothiophene 1,1-dioxide Benzo 1,3-dihydrothiophene dioxide Dienes 2,5-dihydrothiophene-1,1 -dioxides Dihydrothiophene Dihydrothiophene dioxides, reactions