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FR1491645A - Procédé de préparation d'isocyanates - Google Patents

Procédé de préparation d'isocyanates

Info

Publication number
FR1491645A
FR1491645A FR74289A FR74289A FR1491645A FR 1491645 A FR1491645 A FR 1491645A FR 74289 A FR74289 A FR 74289A FR 74289 A FR74289 A FR 74289A FR 1491645 A FR1491645 A FR 1491645A
Authority
FR
France
Prior art keywords
preparing isocyanates
isocyanates
preparing
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
FR74289A
Other languages
English (en)
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.)
University of Iowa
Original Assignee
University of Iowa
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 University of Iowa filed Critical University of Iowa
Priority to FR74289A priority Critical patent/FR1491645A/fr
Application granted granted Critical
Publication of FR1491645A publication Critical patent/FR1491645A/fr
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C263/00Preparation of derivatives of isocyanic acid
    • C07C263/12Preparation of derivatives of isocyanic acid from or via nitrogen analogues of carboxylic acids, e.g. from hydroxamic acids, involving a Hofmann, Curtius or Lossen-type rearrangement
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D207/00Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom
    • C07D207/46Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with hetero atoms directly attached to the ring nitrogen atom
    • C07D207/50Nitrogen atoms
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/70Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/701Compounds forming isocyanates or isothiocyanates in situ
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2601/00Systems containing only non-condensed rings
    • C07C2601/06Systems containing only non-condensed rings with a five-membered ring

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
FR74289A 1965-08-26 1966-08-26 Procédé de préparation d'isocyanates Expired FR1491645A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR74289A FR1491645A (fr) 1965-08-26 1966-08-26 Procédé de préparation d'isocyanates

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US48294165A 1965-08-26 1965-08-26
FR74289A FR1491645A (fr) 1965-08-26 1966-08-26 Procédé de préparation d'isocyanates

Publications (1)

Publication Number Publication Date
FR1491645A true FR1491645A (fr) 1967-08-11

Family

ID=26172783

Family Applications (1)

Application Number Title Priority Date Filing Date
FR74289A Expired FR1491645A (fr) 1965-08-26 1966-08-26 Procédé de préparation d'isocyanates

Country Status (1)

Country Link
FR (1) FR1491645A (fr)

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