GB712081A - A process for the manufacture of organo-substituted silanes - Google Patents

A process for the manufacture of organo-substituted silanes

Info

Publication number
GB712081A
GB712081A GB24485/52A GB2448552A GB712081A GB 712081 A GB712081 A GB 712081A GB 24485/52 A GB24485/52 A GB 24485/52A GB 2448552 A GB2448552 A GB 2448552A GB 712081 A GB712081 A GB 712081A
Authority
GB
United Kingdom
Prior art keywords
radical
silanes
bis
alkyl
tri
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB24485/52A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dow Silicones UK Ltd
Original Assignee
Dow Corning Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dow Corning Ltd filed Critical Dow Corning Ltd
Publication of GB712081A publication Critical patent/GB712081A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07FACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F7/00Compounds containing elements of Groups 4 or 14 of the Periodic Table
    • C07F7/02Silicon compounds
    • C07F7/08Compounds having one or more C—Si linkages
    • C07F7/12Organo silicon halides
    • C07F7/121Preparation or treatment not provided for in C07F7/14, C07F7/16 or C07F7/20
    • C07F7/123Preparation or treatment not provided for in C07F7/14, C07F7/16 or C07F7/20 by reactions involving the formation of Si-halogen linkages

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)

Abstract

Organo substituted silanes of the general formula RnSiF4-n, wherein n is 1,2 or 3 and R represents a monovalent hydrocarbon radical free from aliphatic unsaturation, e.g. an alkyl, cycloalkyl, aralkyl, alkaryl or aryl radical, or a halogenated aryl radical, are prepared by contacting a silane of the general formula RnSi(OR1)4-n, where R and n have the above significance and R1 represents an alkyl radical, with aqueous hydrofluoric acid having a concentration of 1 to 60 per cent by weight of the acid. The alkyl radical R1 may contain less than 4 carbon atoms. The radical R may be a methyl or phenyl radical. Suitable starting silanes mentioned are triethylmethoxy-, ethyl-triisopropoxy-, diphenyldipropoxy-, cyclohexyltriethoxy-, tribenzylpropoxy-, naphthyltrimethoxy-, cyclohexyltripropoxy-, dodecyltrimethoxy-, bis - fluorophenyldipropoxy-, trischlorophenyloctadecoxy-, bis-hexafluoroxylyldimethoxy-, bis-bromophenyldipropoxy- and triphenylpropoxy-silanes. In the examples, di - n - propyldifluoro-, di - n - butyldifluoro -, diethyldifluoro-, dimethyldifluoro-, tri-n-propylfluoro -, tri - n - butylfluoro -, trimethylfluoro-, hexadecyltrifluoro-, diphenyldifluoro-, phenylmethyldifluoro-, triethylfluoro- and chlorophenylmethyldifluoro - silanes are prepared. Specifications 642,189 and 657,152 are referred to.
GB24485/52A 1951-12-12 1952-09-30 A process for the manufacture of organo-substituted silanes Expired GB712081A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US712081XA 1951-12-12 1951-12-12

Publications (1)

Publication Number Publication Date
GB712081A true GB712081A (en) 1954-07-14

Family

ID=22099933

Family Applications (1)

Application Number Title Priority Date Filing Date
GB24485/52A Expired GB712081A (en) 1951-12-12 1952-09-30 A process for the manufacture of organo-substituted silanes

Country Status (3)

Country Link
DE (1) DE957214C (en)
FR (1) FR1074636A (en)
GB (1) GB712081A (en)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL67218C (en) * 1947-01-27

Also Published As

Publication number Publication date
DE957214C (en) 1957-01-31
FR1074636A (en) 1954-10-07

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