FR2455020A1 - Procede de deshalogenation d'ethers halogenes - Google Patents

Procede de deshalogenation d'ethers halogenes

Info

Publication number
FR2455020A1
FR2455020A1 FR8009014A FR8009014A FR2455020A1 FR 2455020 A1 FR2455020 A1 FR 2455020A1 FR 8009014 A FR8009014 A FR 8009014A FR 8009014 A FR8009014 A FR 8009014A FR 2455020 A1 FR2455020 A1 FR 2455020A1
Authority
FR
France
Prior art keywords
amine
dehalogenation
haloethers
primary
ethers
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.)
Granted
Application number
FR8009014A
Other languages
English (en)
Other versions
FR2455020B1 (fr
Inventor
Ross C Terrell
Kirsten Hansen
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.)
Airco Inc
Original Assignee
Airco Inc
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 Airco Inc filed Critical Airco Inc
Publication of FR2455020A1 publication Critical patent/FR2455020A1/fr
Application granted granted Critical
Publication of FR2455020B1 publication Critical patent/FR2455020B1/fr
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C41/00—Preparation of ethers; Preparation of compounds having groups, groups or groups
    • C07C41/01—Preparation of ethers
    • C07C41/34—Separation; Purification; Stabilisation; Use of additives
    • C07C41/44—Separation; Purification; Stabilisation; Use of additives by treatments giving rise to a chemical modification

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Catalysts (AREA)

Abstract

L'INVENTION CONCERNE UN PROCEDE DE DESHALOGENATION DE DIVERS HALOETHERS, QUI CONSISTE, EN PARTANT D'UN HALOETHER REPONDANT A LA FORMULE CX-(CY)-O-CZ-CX DANS LAQUELLE X, Y, Z ET X SONT DES COMBINAISONS SPECIFIQUES D'HYDROGENE, DE FLUOR, DE CHLORE ET DE BROME, TELLES QUE LA MOLECULE CONTIENT AU MOINS UN GROUPE REDUCTIBLE A DESHALOGENER CES HALOETHERS EN LES METTANT EN CONTACT AVEC UN DONNEUR D'HYDROGENE COMPRENANT UNE AMINE, DE PREFERENCE UNE AMINE PRIMAIRE OU SECONDAIRE, OU UNE ALCANOLAMINE PRIMAIRE, SECONDAIRE OU TERTIAIRE. L'AMINE EST DE PREFERENCE UTILISEE EN ASSOCIATION AVEC UN CATALYSEUR TEL QU'UN METAL MULTIVALENT OU UN DE SES SELS, TEL QUE LE CUIVRE OU UN SEL DE CUIVRE. ON OBTIENT AINSI DES ETHERS PURIFIES.
FR8009014A 1979-04-25 1980-04-22 Procede de deshalogenation d'ethers halogenes Granted FR2455020A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US3329379A 1979-04-25 1979-04-25

Publications (2)

Publication Number Publication Date
FR2455020A1 true FR2455020A1 (fr) 1980-11-21
FR2455020B1 FR2455020B1 (fr) 1984-12-28

Family

ID=21869587

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8009014A Granted FR2455020A1 (fr) 1979-04-25 1980-04-22 Procede de deshalogenation d'ethers halogenes

Country Status (5)

Country Link
CA (1) CA1130322A (fr)
DE (1) DE3015264C2 (fr)
FR (1) FR2455020A1 (fr)
GB (1) GB2048869B (fr)
IT (1) IT1193383B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0613876A1 (fr) * 1991-09-30 1994-09-07 Ohmeda Pharmaceutical Products Division Inc. Préparation d'isoflurane

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3619725A1 (de) * 1985-06-12 1986-12-18 Voest-Alpine Ag, Linz Verfahren zur herstellung eines veredelungsproduktes aus klaerschlaemmen
WO2013005178A1 (fr) * 2011-07-05 2013-01-10 Piramal Healthcare Limited Procédé continu pour la purification de l'éther 1-chloro-2,2,2-trifluoroéthyl-difluorométhylique (isoflurane)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1325274A (en) * 1970-08-10 1973-08-01 Baxter Laboratories Inc Difluoromethyl 1,2,2,3,3,-pentafluoropropyl ether and precursors thereof
DE2655196A1 (de) * 1975-12-05 1977-06-16 Ici Ltd Verfahren zur herstellung der verbindung difluoromethyl-1,2,2-trifluoroaethyl-aether

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1325274A (en) * 1970-08-10 1973-08-01 Baxter Laboratories Inc Difluoromethyl 1,2,2,3,3,-pentafluoropropyl ether and precursors thereof
DE2655196A1 (de) * 1975-12-05 1977-06-16 Ici Ltd Verfahren zur herstellung der verbindung difluoromethyl-1,2,2-trifluoroaethyl-aether

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0613876A1 (fr) * 1991-09-30 1994-09-07 Ohmeda Pharmaceutical Products Division Inc. Préparation d'isoflurane

Also Published As

Publication number Publication date
DE3015264C2 (de) 1982-12-09
GB2048869B (en) 1983-07-20
CA1130322A (fr) 1982-08-24
DE3015264A1 (de) 1980-10-30
GB2048869A (en) 1980-12-17
IT8020684A0 (it) 1980-03-14
IT1193383B (it) 1988-06-15
FR2455020B1 (fr) 1984-12-28

Similar Documents

Publication Publication Date Title
ZA839647B (en) Microbicidal agents based on quinolonecarboxylic acid
FR2415137A1 (fr) Procede de lubrification de metaux
FR2368457A1 (fr) Procede de preparation de cetones contenant du fluor
FR2367072A1 (fr) Procede de preparation de benzothiazolyl-sulfenamides
FR2400021A1 (fr) Preparation d'acide (1r,cis);caronaldehydique
FR2455020A1 (fr) Procede de deshalogenation d'ethers halogenes
FR2372821A1 (fr) Preparation de gamma-pyrones
FR2381016A1 (fr) Complexe mixte d'halogenure de magnesium de l'acide alpha-bromo-propionique et son procede de preparation
PT86375A (fr) Procede de preparation de thienylethylamines
FR2372888A1 (fr) Composition detergente contenant une zeolite
FR2440945A1 (fr) Procede de preparation de 2-chlorosulfinylazetidinones
FR2408590A1 (fr) Procede de preparation de peroxydes
FR2587332B1 (fr) Procede de chloration selective de composes phenoliques
DK101280A (da) Fremgangsmaade til fremstilling af chlordeoxysukkerforbindelser
FR2366282A1 (fr) Nouveaux esters de pyrazolyle a substituant tertiobutyle d'acide carbamique, leur procede de preparation et leur application comme insecticides et nematicides
JPS5681397A (en) Temper rolling lubricant
FR2440354A1 (fr) Procede de preparation d'un ether aminophenolique par reaction d'un aminophenolate alcalin et d'un halogenure d'alkyle
FR2554108B1 (fr) Procede de preparation d'anilines metasubstituees
FR2370740A1 (fr) Procede de preparation de chlorure de n,n-dimethyl-piperidinium ou de chlorure de n,n-dimethylmorpholinium
FR2445335A1 (fr) Procede pour preparer la chloro-7 methyl-2 dihydro-3, 3a 2h, 9h-isoxazolo (3,2-b) (benzoxazine-1,3) one-9
ES2088078T3 (es) Procedimiento para la preparacion de acidos antranilicos halogenados.
FR2437864A1 (fr) Traitement du gaz residuaire obtenu lors de la fabrication de chlorure de cyanuryle
FR2386530A1 (fr) Procede pour la preparation de s-triazines fluorees
ES460156A1 (es) Procedimiento para la preparacion de hidrocarburos bromo- (cloro)-fluorados.
FR2385753A1 (fr) Polyamides reticulables

Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse