Conversion of an acetylide-silylene complex to an alkenylcarbyne complex by consecutive ketone addition and base-induced silanone elimination

Hiroyuki Sakaba, Mako Yabe-Yoshida, Hiroyuki Oike, Chizuko Kabuto

Research output: Contribution to journalArticlepeer-review

8 Citations (Scopus)

Abstract

A new acetylide-silylene complex, Cp(CO)2W(SiPh 2)(CCSiMe3) (4), was synthesized by the reaction of Cp(CO)2W(NCMe)Me with Ph2HSiC=CSiMe3. Complex 4 reacted with acetone to give the six-membered cyclic vinylidene complex Cp(CO)2W=C=C(SiMe3)CMe2OSiPh2 (5) by acetone insertion into the acetylide-silylene framework. Treatment of 5 with 4-(dimethylamino)pyridine resulted in the formation of the alkenylcarbyne complex Cp(CO)2W=CC(=CMe2)SiMe3 (8) and cyclic diphenylsiloxanes.

Original languageEnglish
Pages (from-to)4115-4119
Number of pages5
JournalOrganometallics
Volume29
Issue number18
DOIs
Publication statusPublished - 2010 Sep 27

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Organic Chemistry
  • Inorganic Chemistry

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