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Paper | Regular issue | Vol 27, No. 7, 1988, pp.1679-1684
Published online, 1st January, 1970
DOI: 10.3987/COM-88-4551
Metalation Reactions. XII. One-pot Synthesis of 1,3-Benzothiasiloles, 1,3-Benzothiastannoles and 1,3-Benzodithioles

Salvatore Cabiddu,* Claudia Fattuoni, Costantino Floris, and Gioanna Gelli

*Istituto di Chimica Organica, Università di Cagliari, Via Ospedale 72, I-09124 Cagliari, Italy


The dilithiated species of (methylthio)benzene reacts with various dichlorosilanes, dichlorostannanes and sulfur chloride yielding derivatives of 1,3-benzothiasilole, 1,3-benzothiastannole and 1,3-benzodithiole respectively. By reaction with tetrachlorosilane a spirocyclic silicon compound is obtained. A description of the synthesis is given. The structures of the reaction products were determined by elemental and spectroscopic analyses.