KR900016080A - α-할로겐화 카르복실산의 탈할로겐화를 위한 방법 및 촉매 - Google Patents

α-할로겐화 카르복실산의 탈할로겐화를 위한 방법 및 촉매 Download PDF

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Publication number
KR900016080A
KR900016080A KR1019900004786A KR900004786A KR900016080A KR 900016080 A KR900016080 A KR 900016080A KR 1019900004786 A KR1019900004786 A KR 1019900004786A KR 900004786 A KR900004786 A KR 900004786A KR 900016080 A KR900016080 A KR 900016080A
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South Korea
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sulfur
acid
dehalogenation
catalyst
carried out
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KR1019900004786A
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KR920005847B1 (ko
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꼬레이아 이브
브르뚜시 미슐
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앙리 닐
소시에떼 아토샹
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    • 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

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  • 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)

Abstract

내용 없음.

Description

α-할로겐화 카르복실산의 탈할로겐화를 위한 방법 및 촉매
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (10)

  1. 탈할로겐화를 황 또는 황화합물의 존재하에 수행함을 특징으로 하여, 8족의 귀금속을 주성분으로 한 촉매의 존재하에 수소를 사용하여 α-할로겐화 카르복실산 또는 이들 에스테르를 탈할로겐화하는 방법.
  2. 제1항에 있어서, α-할로겐화 카르복실산이 다음 일반식(Ⅰ)인 방법.
    상기 식에서, X는 염소 또는 브롬이고, R1및 R2는 동일하거나 상이하며, X,H,C, 내지 C12의 직쇄 또는 측쇄 알킬기 또는 C3내지 C12의 시클로알킬기이다.
  3. 제1항, 2항 또는 3항에 있어서, 황화합물이 S2Cl2또는 CS2인 방법.
  4. 제1항 또는 2항에 있어서, 귀금속이 0.3 내지 1중량%의 촉매량으로 목탄상에 담지된 팔라듐인 방법.
  5. 제1항 내지 4항중 어느 한 항에 있어서, 황 또는 황화합물의 양이, 환으로 환산할 경우, 수소화될 산 또는 이들 산을 함유하는 혼합물 1㎏ 당 0.1 내지 200㎎인 방법.
  6. 제1항 내지 5항의 방법에 따라 처리함을 특징으로 하여, 디클로로아세트산 혹은 그와 아세트산을 함유하는 모노클로로아세트산을 정제하는 방법.
  7. 목탄상에 담지된 고상의 pd4S를 포함함을 특징으로 하는 촉매.
  8. 탈할로겐화를 제7항에 따른 촉매의 존재하에서 수행함을 특징으로 하여, 수소를 사용하여 α-할로겐화 카르복실산 또는 이들 에스테르를 탈할로겐화 하는 방법.
  9. 제8항에 있어서, 탈할로겐화를 추가적으로 황 또는 황화합물의 존재하에서 수행하는 방법.
  10. 제8항 또는 9항의 방법에 따라 처리함을 특징으로 하여, 디클로로아세트산 혹은 그와 아세트산을 함유하는 모노클로로 아세트산을 정제하는 방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019900004786A 1989-04-07 1990-04-07 α-할로겐화 카르복실산의 탈할로겐화를 위한 방법 및 촉매 KR920005847B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR89-04607 1989-04-07
FR898904607A FR2645531B1 (fr) 1989-04-07 1989-04-07 Procede et catalyseur de deshalogenation d'acides carboxyliques alphahalogenes
FR89/04607 1989-04-07

Publications (2)

Publication Number Publication Date
KR900016080A true KR900016080A (ko) 1990-11-12
KR920005847B1 KR920005847B1 (ko) 1992-07-23

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Country Status (11)

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

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* 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.
ES2095589T3 (es) * 1992-02-19 1997-02-16 Atochem Elf Sa Catalizador de deshalogenacion de acidos carboxilicos alfahalogenados y su utilizacion para purificar el acido monocloroacetico.
DE4342187A1 (de) * 1993-12-10 1995-06-14 Bayer Ag Verfahren zur Herstellung von aliphatischen omega-Difluorcarboxylverbindungen
DE59409675D1 (de) * 1994-12-02 2001-04-12 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
WO2013057125A1 (en) * 2011-10-20 2013-04-25 Akzo Nobel Chemicals International B.V. Process for the purification of a liquid feed comprising mca and dca
ES2625050T3 (es) 2011-10-20 2017-07-18 Akzo Nobel Chemicals International B.V. Proceso para la hidrodescloración de una alimentación líquida que comprende ácido dicloroacético
DK3271322T3 (da) 2015-03-17 2020-03-09 Nouryon Chemicals Int Bv Fremgangsmåde til oprensning af monochloreddikesyre
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

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CA645929A (en) * 1962-07-31 Opitz Wolfgang Process for partially dehalogenating di- and trihaloacetic acid
CA555342A (en) * 1958-04-01 T. Rucker John Method for reducing dichloroacetic acid in the presence of monochloroacetic acid
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Also Published As

Publication number Publication date
JPH03204832A (ja) 1991-09-06
CN1046152A (zh) 1990-10-17
PT93692B (pt) 1996-08-30
FI95127C (fi) 1995-12-27
IE68068B1 (en) 1996-05-15
FI901767A0 (fi) 1990-04-06
PT93692A (pt) 1990-11-20
CA2014043A1 (fr) 1990-10-07
NO901435L (no) 1990-10-08
JPH0768162B2 (ja) 1995-07-26
CN1028022C (zh) 1995-03-29
FI95127B (fi) 1995-09-15
NO901435D0 (no) 1990-03-29
FR2645531A1 (fr) 1990-10-12
EP0453690B1 (fr) 1994-06-22
US5278122A (en) 1994-01-11
EP0453690A1 (fr) 1991-10-30
NO172980B (no) 1993-06-28
NO172980C (no) 1993-10-06
FR2645531B1 (fr) 1991-06-07
US5191118A (en) 1993-03-02
IE901259L (en) 1990-10-07
CA2014043C (fr) 1996-12-03
KR920005847B1 (ko) 1992-07-23

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