Facile synthesis and bridgehead-functionalization of bicyclo[3.3.3]pentasiloxanes

Yuki Yokouchi, Shintaro Ishida, Tsunenobu Onodera, Hidetoshi Oikawa, Takeaki Iwamoto

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)


A fascinating but still rare bicyclic siloxane, bicyclo[3.3.3]pentasiloxane, was synthesized by the oxidation of a bicyclic silicon cluster and characterized using a combination of NMR spectroscopy and X-ray diffraction analysis. The bridgehead OSiMe3 groups of the siloxane were selectively and efficiently converted to O-K+ (siloxide) by treating with tBuOK in the presence of 18-crown-6-ether. The resulting siloxides provided various bridgehead-functionalized bicyclo[3.3.3]pentasiloxanes after treatment with electrophiles.

Original languageEnglish
Pages (from-to)268-270
Number of pages3
JournalChemical Communications
Issue number3
Publication statusPublished - 2018


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