SEARCH Articles Figures Tables 1-Benzothiophen Benzocyclobutene via thermolysis of benzothiophene dioxides Benzothiophene Benzothiophene 2,2-dioxides, 2,5-dihydrothermolysis benzocyclobutene synthesis Benzothiophene-1,1-dioxide Benzothiophene-1,1-dioxide, reduction Benzothiophenes Benzothiophens