Process for preparing higher halosilanes and hydridosilanes

Process for preparing higher halosilanes and hydridosilanes

  • CN 103,249,673 B
  • Filed: 12/02/2011
  • Issued: 05/17/2017
  • Est. Priority Date: 12/14/2010
  • Status: Active Grant
First Claim
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1. a kind of method for preparing senior halosilanes, wherein using at least one formula SinX2n+2Halosilanes and anti-by disproportionationShould be converted into comprising at least one formula SimX2m+2Senior halosilanes and at least one formula SiaX2a+2Rudimentary halosilanesProduct mixtures, in formula SinX2n+2Middle n >

  • =2 and X=F, Cl, Br and/or I, in SimX2m+2Middle m>

    N and X=F, Cl, Br and/orI, and in SiaX2a+2Middle a=1-2 and X=F, Cl, Br and/or I, it is characterised in that the reaction is urged by least one tertiary phosphineChange, wherein the tertiary phosphine is selected from tertiary alkyl phosphine, tertiary aryl phosphine, tertiary bidentate phosphine or its mixture.

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