ES2001422A6 - Procedimiento para preparar acido 2,3,4,5-tetrafluorbenzoico - Google Patents

Procedimiento para preparar acido 2,3,4,5-tetrafluorbenzoico

Info

Publication number
ES2001422A6
ES2001422A6 ES8601731A ES8601731A ES2001422A6 ES 2001422 A6 ES2001422 A6 ES 2001422A6 ES 8601731 A ES8601731 A ES 8601731A ES 8601731 A ES8601731 A ES 8601731A ES 2001422 A6 ES2001422 A6 ES 2001422A6
Authority
ES
Spain
Prior art keywords
acid
tetrafluorbenzoic
preparing
procedure
tetrafluorphthalic
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.)
Expired
Application number
ES8601731A
Other languages
English (en)
Inventor
James N Wemple
James Vande Vusse
Timothy P Puls
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.)
Warner Lambert Co LLC
Original Assignee
Warner Lambert Co LLC
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 Warner Lambert Co LLC filed Critical Warner Lambert Co LLC
Publication of ES2001422A6 publication Critical patent/ES2001422A6/es
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C63/00—Compounds having carboxyl groups bound to a carbon atoms of six-membered aromatic rings
    • C07C63/04—Monocyclic monocarboxylic acids
    • C07C63/06—Benzoic acid
    • C07C63/10—Halides thereof
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D215/00—Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems
    • C07D215/02—Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen atoms or carbon atoms directly attached to the ring nitrogen atom
    • C07D215/16—Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen atoms or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D215/48—Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen
    • C07D215/54—Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen attached in position 3
    • C07D215/56—Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen attached in position 3 with oxygen atoms in position 4
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/04—Preparation of carboxylic acids or their salts, halides or anhydrides from carboxylic acid halides
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/08—Preparation of carboxylic acids or their salts, halides or anhydrides from nitriles
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/09—Preparation of carboxylic acids or their salts, halides or anhydrides from carboxylic acid esters or lactones
    • 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
    • C07C51/38—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 by decarboxylation
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/54—Preparation of carboxylic acid anhydrides
    • C07C51/56—Preparation of carboxylic acid anhydrides from organic acids, their salts, their esters or their halides, e.g. by carboxylation
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D401/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom
    • C07D401/02—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings
    • C07D401/06—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings linked by a carbon chain containing only aliphatic carbon atoms

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Plural Heterocyclic Compounds (AREA)

Abstract

PROCEDIMIENTO PARA PREPARAR ACIDO 2,3,4,5-TETRAFLUORBENZOICO, CARACTERIZADO PORQUE COMPRENDE CALENTAR ACIDO TETRAFLUORFTALICO A 90-140JC CON UN CATALIZADOR BASICO EN UN DISOLVENTE APROTICO POLAR.
ES8601731A 1985-09-09 1986-09-09 Procedimiento para preparar acido 2,3,4,5-tetrafluorbenzoico Expired ES2001422A6 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US77349085A 1985-09-09 1985-09-09
US06/860,728 US4782180A (en) 1985-09-09 1986-05-07 Process for tetrafluorobenzoic acid

Publications (1)

Publication Number Publication Date
ES2001422A6 true ES2001422A6 (es) 1988-05-16

Family

ID=27118765

Family Applications (1)

Application Number Title Priority Date Filing Date
ES8601731A Expired ES2001422A6 (es) 1985-09-09 1986-09-09 Procedimiento para preparar acido 2,3,4,5-tetrafluorbenzoico

Country Status (19)

Country Link
US (1) US4782180A (es)
EP (1) EP0218111B1 (es)
KR (1) KR950000642B1 (es)
CN (1) CN1014147B (es)
AR (1) AR240308A1 (es)
AU (2) AU590321B2 (es)
CA (1) CA1276175C (es)
DE (1) DE3672942D1 (es)
DK (3) DK427286A (es)
ES (1) ES2001422A6 (es)
FI (1) FI863597L (es)
GR (1) GR862276B (es)
HU (1) HU196164B (es)
IE (1) IE59223B1 (es)
IL (1) IL79761A (es)
NO (1) NO165755C (es)
NZ (1) NZ217476A (es)
OA (1) OA08407A (es)
PT (1) PT83332B (es)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4885386A (en) * 1988-10-28 1989-12-05 Warner-Lambert Company Process for the synthesis of 3-chloro-2,4,5-trifluorobenzoic acid
US5233085A (en) * 1989-11-20 1993-08-03 Occidental Chemical Corporation Preparation of 2,4,5-trifluorobenzoic acid by decarboxylation of 3,4,6-trifluorophthalic acid
US4937377A (en) * 1989-11-20 1990-06-26 Occidental Chemical Corporation Preparation of 3,4-difluorobenzoic acid by the decarboxylation of 4,5-difluorophthalic anhydride or 4,5-difluorophthalic acid
US4935541A (en) * 1989-11-20 1990-06-19 Occidental Chemical Corporation Preparation of 2,4,5-trifluorobenzoic acid by decarboxylation of 3,4,6-trifluorophthalic anhydride
USH992H (en) 1990-08-30 1991-11-05 Occidental Chemical Corporation Preparation of fluorobenzenes by the decarboxylation of fluorophthalic acids or benzoic acids
EP0510490B1 (de) * 1991-04-25 1995-02-15 Hoechst Aktiengesellschaft Verfahren zur Herstellung von 2,3,4,5-Tetrafluorbenzoesäure
ES2059175T3 (es) * 1991-04-25 1994-11-01 Hoechst Ag N-amino-3,4,5,6-tetrafluoro-ftalimidas sustituidas en n' y procedimiento para su preparacion.
EP0578165B1 (de) * 1992-07-10 1996-06-05 Hoechst Aktiengesellschaft Verfahren zur Herstellung von Tetrafluorphthalsäure und/oder Tetrafluorphthalsäureanhydrid
AU688301B2 (en) * 1993-01-23 1998-03-12 Zoetis Llc Process for the manufacture of a tricyclic compound
US5329054A (en) * 1993-07-19 1994-07-12 Albemarle Corporation Decarboxylation process
EP0669310B1 (en) * 1994-02-23 1998-12-23 Asahi Glass Company Ltd. Processes for producing tetrafluorophthalic anhydride
GB9404574D0 (en) * 1994-03-08 1994-04-20 Zeneca Ltd Decarboxylation process
DE19627411A1 (de) * 1996-07-09 1998-01-15 Bayer Ag Verfahren zur Decarboxylierung halogenierter aromatischer Carbonsäuren
WO2005111015A1 (ja) * 2004-05-13 2005-11-24 Daiichi Pharmaceutical Co., Ltd. 置換ピロリジン誘導体
CN110423205B (zh) * 2019-08-09 2020-09-08 内蒙古源宏精细化工有限公司 一种适于连续化生产的2,3,4,5-四氟-n-甲基苯甲酰胺的合成工艺
CN111909035B (zh) * 2020-08-18 2024-01-16 周敏 一种降低废弃物排放的四氟对苯二酸的制备方法
CN112266360B (zh) * 2020-10-26 2022-06-10 武汉桀升生物科技有限公司 一种高纯度组胺二盐酸盐的合成方法
CN115417761B (zh) * 2022-08-31 2024-04-02 福建华药生物技术有限公司 一种2,3,4,5-四氟苯甲酸的工业化连续生产方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2439237A (en) * 1946-01-15 1948-04-06 Gen Electric Preparation of tetrahalogenated benzenes and benzoic acids
DE3318145A1 (de) * 1983-05-18 1984-11-22 Bayer Ag, 5090 Leverkusen 7-amino-1-cyclopropyl-6,8-difluor-1,4-dihydro-4-oxo-3-chinolincarbonsaeuren, verfahren zu ihrer herstellung sowie diese enthaltende antibakterielle mittel
JPS6185349A (ja) * 1984-10-04 1986-04-30 Nippon Shokubai Kagaku Kogyo Co Ltd ２，３，４，５−テトラフルオロ安息香酸の製法
US4769492A (en) * 1985-03-13 1988-09-06 Nippon Shokubai Kagaku Kogyo Co., Ltd. Method for production of 2,3,4,5-tetrafluorobenzoic acid
DE3631906A1 (de) * 1986-09-19 1988-03-31 Bayer Ag Verfahren zur herstellung von benzoesaeure-derivaten

Also Published As

Publication number Publication date
FI863597A7 (fi) 1987-03-10
US4782180A (en) 1988-11-01
PT83332B (pt) 1989-01-17
NO863574D0 (no) 1986-09-08
HU196164B (en) 1988-10-28
EP0218111A1 (en) 1987-04-15
NZ217476A (en) 1989-08-29
AU616578B2 (en) 1991-10-31
NO165755B (no) 1990-12-27
AU590321B2 (en) 1989-11-02
KR870003048A (ko) 1987-04-14
OA08407A (en) 1988-06-30
DK90594A (da) 1994-08-03
GR862276B (en) 1987-01-02
DK427286D0 (da) 1986-09-08
DE3672942D1 (de) 1990-08-30
CN86106151A (zh) 1987-06-03
AR240308A1 (es) 1990-03-30
DK427286A (da) 1987-03-10
CA1276175C (en) 1990-11-13
CN1014147B (zh) 1991-10-02
HUT43025A (en) 1987-09-28
NO863574L (no) 1987-03-10
FI863597L (fi) 1987-03-10
KR950000642B1 (ko) 1995-01-26
IL79761A (en) 1990-11-05
IE59223B1 (en) 1994-01-26
DK90494A (da) 1994-08-03
IL79761A0 (en) 1986-11-30
AU6169486A (en) 1987-03-12
EP0218111B1 (en) 1990-07-25
IE862162L (en) 1987-03-09
PT83332A (pt) 1986-10-01
NO165755C (no) 1991-04-10
AU4540189A (en) 1990-03-29
FI863597A0 (fi) 1986-09-05

Similar Documents

Publication Publication Date Title
ES2001422A6 (es) Procedimiento para preparar acido 2,3,4,5-tetrafluorbenzoico
ES551675A0 (es) Procedimiento para preparar un aglomerado ingerible
ES542724A0 (es) Un procedimiento mejorado para obtener acido acetico.
ES555673A0 (es) Procedimiento para preparar monoamidas de acido difenico.
AR242573A1 (es) Procedimiento para preparar tetrazolil fenoxialquilisoxazoles sustituidos.
ES548843A0 (es) Procedimiento para la obtencion de acido alquil-1- ciclopropil-1, 4-dihidro-4-oxo-3-quinolincarboxilico.
ES2011632B3 (es) Procedimiento para producir polimeros olefinicos.
DE3771312D1 (de) Hochtemperatur-speicherbatterie.
MX5836E (es) Procedimiento para preparar derivados de acidos-5-tiazol-carboxilicos 2,4-disubstituidos
NO163246C (no) Fremgangsm te for effektproduksjon.
ES524528A0 (es) Procedimiento para preparar un acido alfa-arilalcanoico.
ES557790A0 (es) Procedimiento para preparar 4-amino-8-butilinolina-3-n-ciclopropilmetil carboxamida.
ES557193A0 (es) Procedimiento para preparar polipeptidos.
AR224246A1 (es) Procedimiento para preparar acido 7-metoxi-5-oxo-5h-tiazolo-(2,3-b)quinazolin-2-carboxilico
ES549152A0 (es) Procedimiento para preparar nuevas homoproporgilaminas.
AR244665A1 (es) Procedimiento para preparar 3-carbonil-1-amino-alquil-1h-indoles de utilidad como analgesicos.
MX206274A (es) Procedimiento para preparar catalizador para polimerizacion de olefinas.
MX5623E (es) Procedimiento para preparar amidas de acido 1,2,3-triazolocarboxilico
ES2014299B3 (es) Conexion para fuel.
ES478787A0 (es) Procedimiento para preparar acidos fenilalcanoicos.
ES549472A0 (es) Un procedimiento para preparar 1-beta-d-ribofuranosil-1,2,4-triazol-3-carboxamida.
ES551795A0 (es) Procedimiento para preparar amino-alcoholes
ES557305A0 (es) Procedimiento para preparar n6 -benzopirano- y benzotiopirano-adenosinas.
MX164500B (es) Metodo para hidrolizar cataliticamente compuestos,b-carbonil insaturados
ES535810A0 (es) Un procedimiento para preparar acido 19-(3,6-dihidro-3-metil-6-oxo-2h-piran-2-il-)-17-etil-6-hidroxi-9-(hidroximetil)-3,5,7,11,15-pentametil-8-oxo-2,10,12,16,18,-nonadecapentaenoico.

Legal Events

Date Code Title Description
SA6 Expiration date (snapshot 920101)

Free format text: 2006-09-09

FD1A Patent lapsed

Effective date: 19980401