α,ω-Bis(trialkynyltin) Compounds with a Linear or Cross-Shaped Spacer

The preparation of arylene-, alkylene-, or dimethylenediphenyl-bridged bis(trichlorotin) compounds
with two or three phenyl rings from the reaction of the corresponding hexacyclohexyl derivatives with
tin tetrachloride is described. Hexachlorides with mixed aryl−alkyl bridges were prepared in the same
way. When arylene-bridged ditins were substituted on aryl rings with alkoxy groups, it was necessary to
use hexamethyl derivatives instead of the cyclohexyl compounds to obtain the corresponding hexachlorides.
In these compounds, weak inter- and/or intramolecular interactions were detected by X-ray analysis. The
ditin hexachlorides were transformed into the corresponding hexaalkynyl derivatives, precursors for hybrid
materials.