Carbon dioxide hydrosilylation promoted by cobalt pincer complexes

Margaret L. Scheuermann, Scott P. Semproni, Iraklis Pappas, Paul J. Chirik

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The addition of carbon dioxide to (tBuPNP)CoH[tBuPNP = 2,6 - bis(di-tert-butylphosphinomethyl)pyridine] resulted in rapid insertion into the Co-H bond to form the corresponding K1- formate complex, which has been structurally characterized. Treatment of (tBuPNP)CoH with PhSiH3 resulted in oxidative addition to form trans-(tBuPNP)CoH2(SiH2Ph), which undergoes rapid exchange with excess free silane. With 0.5 mol % (tBuPNP)CoH, the catalytic hydrosilylation of CO2 with PhSiH3 to a mixture of oligomers containing silyl formate, bis(silyl)acetyl, and silyl ether subunits has been observed.

Original languageEnglish (US)
Pages (from-to)9463-9465
Number of pages3
JournalInorganic Chemistry
Issue number18
StatePublished - Sep 15 2014

All Science Journal Classification (ASJC) codes

  • Inorganic Chemistry
  • Physical and Theoretical Chemistry


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