Organosilicon chemistry. Part 25. Catalysis of the reaction between alcohols and silanes by hydrido-, dinitrogen-, and ethylene-iron complexes
- 1 January 1980
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in J. Chem. Soc., Dalton Trans.
- No. 5,p. 705-708
- https://doi.org/10.1039/dt9800000705
Abstract
The reaction between alcohols, ROH (R = Me, Et, Prn, or Bun), and SiH(OEt)3 or SiPh2H2 is strongly catalysed at room temperature by [FeH2(PMePh2)4] or by [FeH2(N2)(PEtPh2)3]. With SiH(OEt)3, reaction is complicated by alkoxy-exchange when R ≠ OEt. With both catalysts the reactions have induction periods but are thereafter first order in the concentration of each of the reactants and of the catalyst. Mechanisms are proposed based on the formation of iron–silyl complexes. The complex [Fe(C2H4)(dppe)2](dppe = Ph2PCH2CH2PPh2) also catalyses the reaction but is rapidly deactivated by conversion into [FeH2(dppe)2].Keywords
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