Reaction of sym-dimethoxytetramethyldisilane with diphenylacetylene in the presence of NaOMe catalyst in tetrahydrofuran gave a new silicon-containing ring system, 1,1,2,2,3,3-hexamethyl-4,5-diphenyl-1,2,3-trisilacyclopet-4-ene.
H. Watanabe, K. Higuchi, M. Kobayashi and Y. Nagai, J. Chem. Soc., Chem. Commun., 1978, 1029 DOI: 10.1039/C39780001029
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