FI95127B - Förfarande för dehalogenering av alfahalogenerade karboxylsyror och härvid använd katalysator - Google Patents

Förfarande för dehalogenering av alfahalogenerade karboxylsyror och härvid använd katalysator

Info

Publication number
FI95127B
FI95127B FI901767A FI901767A FI95127B FI 95127 B FI95127 B FI 95127B FI 901767 A FI901767 A FI 901767A FI 901767 A FI901767 A FI 901767A FI 95127 B FI95127 B FI 95127B
Authority
FI
Finland
Prior art keywords
dehalogenation
alpha
carboxylic acids
catalyst used
halogenated carboxylic
Prior art date
Application number
FI901767A
Other languages
English (en)
Finnish (fi)
Other versions
FI95127C (sv
FI901767A0 (sv
Inventor
Yves Correia
Michel Bertucci
Original Assignee
Atochem
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 Atochem filed Critical Atochem
Publication of FI901767A0 publication Critical patent/FI901767A0/sv
Application granted granted Critical
Publication of FI95127B publication Critical patent/FI95127B/sv
Publication of FI95127C publication Critical patent/FI95127C/sv

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C53/00—Saturated compounds having only one carboxyl group bound to an acyclic carbon atom or hydrogen
    • C07C53/15—Saturated compounds having only one carboxyl group bound to an acyclic carbon atom or hydrogen containing halogen
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/347—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups
    • C07C51/377—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups by splitting-off hydrogen or functional groups; by hydrogenolysis of functional groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C53/00—Saturated compounds having only one carboxyl group bound to an acyclic carbon atom or hydrogen
    • C07C53/15—Saturated compounds having only one carboxyl group bound to an acyclic carbon atom or hydrogen containing halogen
    • C07C53/16—Halogenated acetic acids

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Catalysts (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
FI901767A 1989-04-07 1990-04-06 Förfarande för dehalogenering av alfahalogenerade karboxylsyror och härvid använd katalysator FI95127C (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR898904607A FR2645531B1 (fr) 1989-04-07 1989-04-07 Procede et catalyseur de deshalogenation d'acides carboxyliques alphahalogenes

Publications (3)

Publication Number Publication Date
FI901767A0 FI901767A0 (sv) 1990-04-06
FI95127B true FI95127B (sv) 1995-09-15
FI95127C FI95127C (sv) 1995-12-27

Family

ID=9380498

Family Applications (1)

Application Number Title Priority Date Filing Date
FI901767A FI95127C (sv) 1989-04-07 1990-04-06 Förfarande för dehalogenering av alfahalogenerade karboxylsyror och härvid använd katalysator

Country Status (11)

Country Link
US (2) US5191118A (sv)
EP (1) EP0453690B1 (sv)
JP (1) JPH0768162B2 (sv)
KR (1) KR920005847B1 (sv)
CN (1) CN1028022C (sv)
CA (1) CA2014043C (sv)
FI (1) FI95127C (sv)
FR (1) FR2645531B1 (sv)
IE (1) IE68068B1 (sv)
NO (1) NO172980C (sv)
PT (1) PT93692B (sv)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2682616B1 (fr) * 1991-10-18 1993-12-10 Atochem Catalyseurs de deshalogenation d'acides carboxyliques alphahalogenes.
DE69306826T2 (de) * 1992-02-19 1997-05-28 Atochem Elf Sa Katalysator zur Enthalogenierung von Alpha-halogenierten Carbonsäuren und seine Verwendung zur Reinigung von Monochloressigsäure
DE4342187A1 (de) * 1993-12-10 1995-06-14 Bayer Ag Verfahren zur Herstellung von aliphatischen omega-Difluorcarboxylverbindungen
EP0728730B1 (de) * 1994-12-02 2001-03-07 Salzgitter Anlagenbau GmbH Verfahren zur Herstellung von Monochloressigsäure
FR2731702B1 (fr) * 1995-03-17 1997-04-30 Atochem Elf Sa Procede d'hydrogenolyse de chlorofluorocarbures et d'hydrochlorofluorocarbures
US5534124A (en) * 1995-09-19 1996-07-09 Chem-Pro On-site electrochemical dehalogenation process and system
DE19546080A1 (de) 1995-12-11 1997-06-12 Hoechst Ag Verfahren zur Darstellung einer besonders reinen Monochloressigsäure
US6159896A (en) * 1999-02-16 2000-12-12 Eastman Chemical Company Iridium catalyst for carbonylation of lower aliphatic alcohols
BR112014008207B1 (pt) * 2011-10-20 2019-09-10 Akzo Nobel Chemicals Int Bv processo para a purificação de uma alimentação líquida
AU2012324958B2 (en) 2011-10-20 2016-03-17 Akzo Nobel Chemicals International B.V. Process for the hydrodechlorination of a liquid feed comprising dichloroacetic acid
RU2711661C2 (ru) 2015-03-17 2020-01-20 Акцо Нобель Кемикалз Интернэшнл Б.В. Способ очистки монохлороуксусной кислоты
AR104892A1 (es) 2015-06-12 2017-08-23 Akzo Nobel Chemicals Int Bv Proceso para la hidrodecloración de una alimentación que comprende ácido dicloroacético
CN113477208B (zh) * 2021-06-16 2022-10-04 湖北泰盛化工有限公司 一种氯乙酸生产装置及工艺

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA555342A (en) * 1958-04-01 T. Rucker John Method for reducing dichloroacetic acid in the presence of monochloroacetic acid
CA645929A (en) * 1962-07-31 Opitz Wolfgang Process for partially dehalogenating di- and trihaloacetic acid
US2725411A (en) * 1948-04-30 1955-11-29 Us Rubber Co Vapor phase dehydrohalogenation of polyhalogenomethyl compounds
US2671803A (en) * 1951-03-12 1954-03-09 Knapsack Ag Dehalogenation of halogeno acetic acids by hydrogenation
US2863917A (en) * 1954-03-31 1958-12-09 Hooker Chemical Corp Method for reducing dichloroacetic acid in the presence of monochloro-acetic acid
GB870040A (en) * 1958-07-22 1961-06-07 Knapsack Ag Process for partially dehalogenating di- and trihaloacetic acid
US3071615A (en) * 1958-07-28 1963-01-01 Knapsack Ag Process for partially dehalogenating di-and trihaloacetic acid
US3226386A (en) * 1962-07-20 1965-12-28 Olin Mathieson Hydrogenolysis of trichloromethyl-substituted compounds
NL127232C (sv) * 1963-03-12 1900-01-01
DE1915037C3 (de) * 1969-03-25 1975-10-30 Hoechst Ag, 6000 Frankfurt Verfahren zur Reinigung von technischer Monochloressigsäure durch selektive katalytische Dehalogenierung des darin enthaltenen Dl- und Trichloressigsäure
DE1920806C3 (de) * 1969-04-24 1974-07-04 Knapsack Ag, 5033 Huerth-Knapsack Verfahren zur Regenerierung eines Dehalogenierungskatalysators
DE1920805A1 (de) * 1969-04-24 1970-11-05 Knapsack Ag Verfahren zur Regenerierung eines Hydrierkatalysators
DE1959578A1 (de) * 1969-11-27 1971-06-03 Hoechst Ag Verfahren zur Herstellung sulfidierter Platin-auf-Kohlenstoff-Katalysatoren
GB1419603A (en) * 1972-12-05 1975-12-31 Bayer Ag Process for the producition of 3-halogen-and 3,5-dihalogen phenols
DE2323777C2 (de) * 1973-05-11 1975-01-16 Farbwerke Hoechst Ag, Vormals Meister Lucius & Bruening, 6000 Frankfurt Verfahren zur kontinuierlichen Reinigung von roher Monochloressigsäure
GB1570952A (en) * 1976-06-25 1980-07-09 Sumitomo Chemical Co Process for producing diacetoxybutene
US4288422A (en) * 1979-02-23 1981-09-08 Exxon Research & Engineering Co. Method of preparing chalcogenides of group VIII by low temperature precipitation from monaqueous solution, the products produced by said method and their use as catalysts
SU1004345A1 (ru) * 1981-04-17 1983-03-15 Куйбышевский политехнический институт им.В.В.Куйбышева Способ очистки монохлоруксусной кислоты
FR2582645B1 (fr) * 1985-05-31 1988-09-16 Rhone Poulenc Spec Chim Procede de purification de l'acide chloro-2 propionique et/ou de ses esters

Also Published As

Publication number Publication date
FR2645531A1 (fr) 1990-10-12
CN1046152A (zh) 1990-10-17
NO901435D0 (no) 1990-03-29
NO172980B (no) 1993-06-28
US5191118A (en) 1993-03-02
KR900016080A (ko) 1990-11-12
FI95127C (sv) 1995-12-27
EP0453690A1 (fr) 1991-10-30
IE68068B1 (en) 1996-05-15
CA2014043C (fr) 1996-12-03
CN1028022C (zh) 1995-03-29
IE901259L (en) 1990-10-07
JPH0768162B2 (ja) 1995-07-26
FR2645531B1 (fr) 1991-06-07
JPH03204832A (ja) 1991-09-06
FI901767A0 (sv) 1990-04-06
NO901435L (no) 1990-10-08
US5278122A (en) 1994-01-11
PT93692B (pt) 1996-08-30
NO172980C (no) 1993-10-06
KR920005847B1 (ko) 1992-07-23
CA2014043A1 (fr) 1990-10-07
EP0453690B1 (fr) 1994-06-22
PT93692A (pt) 1990-11-20

Similar Documents

Publication Publication Date Title
KR960702348A (ko) 불포화 카르복실산 에스테르 제조용 촉매 및 그의 사용 방법 (Catalyst and Process for Using for the Preparation of Unsaturated Carboxylic Acid Esters)
BR8800636A (pt) Processo para a preparacao de acidos benzenocarboxilicos e esteres de acidos benzenodicarboxilicos e dispositivo
HK116996A (en) Method for the detection of necleic acids
FI103570B1 (sv) Förfarande för rening av karboxylsyror och/eller anhydrider därav
FI940874A0 (sv) Förfarande för framställning av mjöksyra och mjölksyraestrar
FI95127B (sv) Förfarande för dehalogenering av alfahalogenerade karboxylsyror och härvid använd katalysator
BR9200956A (pt) Catalisador para o endurecimento de acidos graxos e processo para sua preparacao
DE69026476D1 (de) Verfahren zur Herstellung von 5-Fluorbenzoesäuren und deren Zwischenprodukten
DK293590D0 (da) Fermenteringsfremgangsmaade til fremstilling af carboxylsyrer
FI885692A0 (sv) Karboximetylsulfoetylcellulosa och förfarande för dess framställning
FI902333A0 (sv) Förfarande för framställning av oxoftalazinylättiksyra och dess analoger
DE69029066D1 (de) Abkömmlinge von fluorierten Carbonsäuren und Verfahren zu deren Herstellung
EP0310168A3 (en) Process for the preparation of esters of carboxylic acids and catalytic system for use therein
DE3760333D1 (en) Process for the preparation of alkene carboxylic acids
DK67888D0 (da) Bicycliske beta-lactam-carboxylsyrer
DE69006249D1 (de) Verfahren zur Herstellung von Carbonsäureestern und Formamid.
NO169231C (no) Fremgangsmaate ved fremstilling av karboksylsyreamider.
DE69018050D1 (de) Verfahren zur Stabilisierung von Percarbonsäuren.
DE69007706D1 (de) Verfahren zur Herstellung von Carbonsäureestern und Formamid.
BR8804533A (pt) Processo para preparacao de esteres de acidos 1-aril-pirazol-3-carboxilicos
DE69010189D1 (de) Verfahren und Katalysator zur Enthalogenierung von alpha-halogenierten Carbonsäuren.
FR2647032B1 (fr) Procede et catalyseur de deshalogenation d'acides carboxyliques alphahalogenes
BR8805858A (pt) Processo para preparacao de acidos c12-c40-graxos alfa-ramificado
FI945119A (sv) Förfarande för framställning av 3(s)-metylheptansyra och mellanprodukter
FI942397A0 (sv) Förfarande för framställning av 2-amino-3-hydroxisyror

Legal Events

Date Code Title Description
BB Publication of examined application
MM Patent lapsed

Owner name: ATOCHEM