BE825700A - Procede de preparation du diisocyanate de carbonyle - Google Patents

Procede de preparation du diisocyanate de carbonyle

Info

Publication number
BE825700A
BE825700A BE153491A BE153491A BE825700A BE 825700 A BE825700 A BE 825700A BE 153491 A BE153491 A BE 153491A BE 153491 A BE153491 A BE 153491A BE 825700 A BE825700 A BE 825700A
Authority
BE
Belgium
Prior art keywords
preparing carbonyl
carbonyl diisocyanate
diisocyanate
preparing
carbonyl
Prior art date
Application number
BE153491A
Other languages
English (en)
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 filed Critical
Publication of BE825700A publication Critical patent/BE825700A/fr

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C263/00—Preparation of derivatives of isocyanic acid
    • C07C263/16—Preparation of derivatives of isocyanic acid by reactions not involving the formation of isocyanate groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C263/00—Preparation of derivatives of isocyanic acid
    • C07C263/08—Preparation of derivatives of isocyanic acid from or via heterocyclic compounds, e.g. pyrolysis of furoxans
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C273/00—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
    • C07C273/18—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of substituted ureas
    • C07C273/1854—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of substituted ureas by reactions not involving the formation of the N-C(O)-N- moiety

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
BE153491A 1974-02-20 1975-02-19 Procede de preparation du diisocyanate de carbonyle BE825700A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2408069A DE2408069C2 (de) 1974-02-20 1974-02-20 Verfahren zur Herstellung von Carbonyldiisocyanat

Publications (1)

Publication Number Publication Date
BE825700A true BE825700A (fr) 1975-08-19

Family

ID=5907914

Family Applications (1)

Application Number Title Priority Date Filing Date
BE153491A BE825700A (fr) 1974-02-20 1975-02-19 Procede de preparation du diisocyanate de carbonyle

Country Status (13)

Country Link
US (1) US3956468A (fr)
JP (1) JPS5826335B2 (fr)
BE (1) BE825700A (fr)
CH (1) CH599929A5 (fr)
DE (1) DE2408069C2 (fr)
DK (1) DK60775A (fr)
ES (1) ES434858A1 (fr)
FR (1) FR2261258B1 (fr)
GB (1) GB1445315A (fr)
IE (1) IE40666B1 (fr)
IT (1) IT1029765B (fr)
LU (1) LU71876A1 (fr)
NL (1) NL7501848A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4233534A1 (de) * 1992-10-06 1994-04-07 Chemie Linz Deutschland Verfahren zur Herstellung von Isocyanaten durch Zersetzen von N,N,N'-trisubstituierten Harnstoffen

Also Published As

Publication number Publication date
DK60775A (fr) 1975-10-20
IT1029765B (it) 1979-03-20
US3956468A (en) 1976-05-11
JPS5826335B2 (ja) 1983-06-02
IE40666B1 (en) 1979-07-18
DE2408069C2 (de) 1982-11-18
GB1445315A (en) 1976-08-11
DE2408069A1 (de) 1975-09-04
FR2261258B1 (fr) 1978-06-23
IE40666L (en) 1975-08-20
ES434858A1 (es) 1976-12-16
CH599929A5 (fr) 1978-06-15
NL7501848A (nl) 1975-08-22
JPS50117721A (fr) 1975-09-16
FR2261258A1 (fr) 1975-09-12
LU71876A1 (fr) 1975-12-09

Similar Documents

Publication Publication Date Title
FR2295138A1 (fr) Procede de preparation de bis-acetals de p-benzoquinones
BE829355A (fr) Procede de preparation de polysocyanates
BE824356A (fr) Procede de preparation du 1,4-butanediol
FR2280662A1 (fr) Procede de preparation de polyisocyanates modifies
BE831648A (fr) Procede de preparation de noenomycine
BE813169A (fr) Procede de preparation des 3-fluorocephalosporines
FR2282429A1 (fr) Procede de preparation de 7b-acylamino-7a-alcoxycephalosporines
BE824612A (fr) Procede de preparation de 3-aminophenols
FR2280375A1 (fr) Procede de preparation de penicilines
FR2289536A1 (fr) Procede de preparation de c
BE826237A (fr) Procede de preparation de bischlorocarbonates de bispheno
FR2283882A1 (fr) Procede de preparation du formaldehyde
BE824573A (fr) Procede de preparation de la trimethylbenzoquinone
BE825768A (fr) Procede de preparation de dithiodianilines
BE825700A (fr) Procede de preparation du diisocyanate de carbonyle
BE824872A (fr) Procede de preparation de mousses synthetiques
FR2281380A1 (fr) Procede de preparation de melanges polymeriques
BE828230A (fr) Procede de preparation de trimethyl-p-benzoquinone
FR2301510A1 (fr) Procede de preparation de dihalovinylcyclopropanecarboxylates
BE836213A (fr) Procede de preparation de 4-hydroxy-3-methoxy-phenylacetonitrile
BE831028A (fr) Procede de preparation de 2-alkylsulfinyl-6-nitro-benzothiazoles
BE826469A (fr) Procede de preparation du diisocyanate de carbonyle
BE824009A (fr) Procede de preparation du 1-methyl-3-phenylindane
BE834176A (fr) Procede de preparation du n-fluorosulfonyl-acetylacetamide
BE824268A (fr) Procede de preparation de mousses de polyurethane

Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: BAYER A.G

Effective date: 19870228