FR2356617A1 - Procede de fabrication d'hydrocarbures bromo(chloro)fluores et hydrocarbures bromo(chloro)fluores ainsi obtenus - Google Patents

Procede de fabrication d'hydrocarbures bromo(chloro)fluores et hydrocarbures bromo(chloro)fluores ainsi obtenus

Info

Publication number
FR2356617A1
FR2356617A1 FR7720432A FR7720432A FR2356617A1 FR 2356617 A1 FR2356617 A1 FR 2356617A1 FR 7720432 A FR7720432 A FR 7720432A FR 7720432 A FR7720432 A FR 7720432A FR 2356617 A1 FR2356617 A1 FR 2356617A1
Authority
FR
France
Prior art keywords
chloro
fluores
bromo
hydrocarbons
manufacturing
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
FR7720432A
Other languages
English (en)
Other versions
FR2356617B1 (fr
Inventor
Horst Dr Bohm
Karl-Heinz Dr Hellberg
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.)
Kali Chemie AG
Original Assignee
Kali Chemie AG
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 Kali Chemie AG filed Critical Kali Chemie AG
Publication of FR2356617A1 publication Critical patent/FR2356617A1/fr
Application granted granted Critical
Publication of FR2356617B1 publication Critical patent/FR2356617B1/fr
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C17/00—Preparation of halogenated hydrocarbons
    • C07C17/093—Preparation of halogenated hydrocarbons by replacement by halogens
    • C07C17/20—Preparation of halogenated hydrocarbons by replacement by halogens of halogen atoms by other halogen atoms
    • C07C17/202—Preparation of halogenated hydrocarbons by replacement by halogens of halogen atoms by other halogen atoms two or more compounds being involved in the reaction
    • C07C17/206—Preparation of halogenated hydrocarbons by replacement by halogens of halogen atoms by other halogen atoms two or more compounds being involved in the reaction the other compound being HX
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/582—Recycling of unreacted starting or intermediate materials

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)
  • Catalysts (AREA)

Abstract

a. L'invention concerne la fabrication d'hydrocarbures bromo(chloro)fluorés par substitution de chlore par du brome dans des hydrocarbures chlorés correspondants au moyen de bromure d'hydrogène en phase gazeuse, à tempémture élevée. b. On effectue la réaction à 100-500 degrés C, en présence d'un catalyseur comprenant du charbon actif, du gel de silice, de l'alumine activée, des bromures de certains métaux ou des mélanges desdits composés. c. Le procédé est particulièrement utile pour la fabrication d'hydrocarbures bromo(chloro)fluorés contenant 1 à 3 atomes de carbone dans la molécule. On obtient des rendements élevés.
FR7720432A 1976-07-02 1977-06-29 Procede de fabrication d'hydrocarbures bromo(chloro)fluores et hydrocarbures bromo(chloro)fluores ainsi obtenus Granted FR2356617A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2629774A DE2629774C2 (de) 1976-07-02 1976-07-02 Verfahren zur Herstellung von Brom-(chlor)-fluorkohlenwasserstoffen

Publications (2)

Publication Number Publication Date
FR2356617A1 true FR2356617A1 (fr) 1978-01-27
FR2356617B1 FR2356617B1 (fr) 1981-08-21

Family

ID=5982058

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7720432A Granted FR2356617A1 (fr) 1976-07-02 1977-06-29 Procede de fabrication d'hydrocarbures bromo(chloro)fluores et hydrocarbures bromo(chloro)fluores ainsi obtenus

Country Status (13)

Country Link
US (1) US4222967A (fr)
JP (1) JPS535104A (fr)
AT (1) AT352087B (fr)
BE (1) BE856233A (fr)
CA (1) CA1101447A (fr)
CH (1) CH630326A5 (fr)
DE (1) DE2629774C2 (fr)
ES (1) ES460156A1 (fr)
FR (1) FR2356617A1 (fr)
GB (1) GB1579636A (fr)
IL (1) IL52402A0 (fr)
IT (1) IT1081125B (fr)
NL (1) NL189403C (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2604997B1 (fr) * 1986-10-10 1988-12-02 Rhone Poulenc Chimie Procede de preparation d'iodure de trifluoromethyle
JP2874963B2 (ja) * 1989-06-14 1999-03-24 三井化学株式会社 アリルブロミド類の製造法
DE4004783A1 (de) * 1990-02-16 1991-08-22 Hoechst Ag Verfahren zur herstellung von weitgehend fluorierten aliphatischen kohlenwasserstoffen, die 1 oder 2 brom- oder chloratome im molekuel aufweisen

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2729687A (en) * 1951-12-06 1956-01-03 Du Pont Process for brominating halogenated methanes

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2553518A (en) * 1948-02-12 1951-05-15 Dow Chemical Co Production of organic bromides
US2875254A (en) * 1954-01-13 1959-02-24 Du Pont Process for brominating and fluorinating halogenated methanes in a refractory alumina reaction zone
USRE25544E (en) * 1954-10-20 1964-03-31
US3000980A (en) * 1958-04-07 1961-09-19 Dow Chemical Co Preparation of alkyl bromides
US3370096A (en) * 1965-09-23 1968-02-20 Universal Oil Prod Co Halogen exchange process
US3755474A (en) * 1970-07-29 1973-08-28 Phillips Petroleum Co Conversion of halocarbon compounds

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2729687A (en) * 1951-12-06 1956-01-03 Du Pont Process for brominating halogenated methanes

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
HW1960 *

Also Published As

Publication number Publication date
JPS6328894B2 (fr) 1988-06-10
US4222967A (en) 1980-09-16
ATA470977A (de) 1979-02-15
NL189403B (nl) 1992-11-02
FR2356617B1 (fr) 1981-08-21
IL52402A0 (en) 1977-08-31
BE856233A (fr) 1977-12-29
DE2629774C2 (de) 1978-10-19
ES460156A1 (es) 1978-05-16
NL7706589A (nl) 1978-01-04
AT352087B (de) 1979-08-27
DE2629774B1 (de) 1978-01-12
CH630326A5 (de) 1982-06-15
IT1081125B (it) 1985-05-16
JPS535104A (en) 1978-01-18
CA1101447A (fr) 1981-05-19
NL189403C (nl) 1993-04-01
GB1579636A (en) 1980-11-19

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Legal Events

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