Abstract
3,6,10,13-Tetrathia[6.6.1]propellane (1) has been prepared by two independent syntheses.1 exists as an equilibrium of two conformers with C2 and Cs symmetry, respectively. The heterocyclic rings adopt a “twist-tub” conformation. The multistage synthesis of1 makes also 1,5-cyclooctadiene (5) accessible, as the result of [π4s+π4s]-cycloaddition. The formation of [6.6.1]propellanes of the isomeric [6.0.6.1]dispiranes depends on the nature of the hetero atom.
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Jamrozik, J. Synthesen und Stereochemie des 3,6,10,13-Tetrathia[6.6.1]propellans. Monatsh Chem 116, 229–235 (1985). https://doi.org/10.1007/BF00798459
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DOI: https://doi.org/10.1007/BF00798459