ES2104703T3 - Preparacion de acido 3,4,6-trifluoroftalico. - Google Patents

Preparacion de acido 3,4,6-trifluoroftalico.

Info

Publication number
ES2104703T3
ES2104703T3 ES91908360T ES91908360T ES2104703T3 ES 2104703 T3 ES2104703 T3 ES 2104703T3 ES 91908360 T ES91908360 T ES 91908360T ES 91908360 T ES91908360 T ES 91908360T ES 2104703 T3 ES2104703 T3 ES 2104703T3
Authority
ES
Spain
Prior art keywords
preparation
acid
trifluorophthalic acid
substituted
trifluorophthalic
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 - Lifetime
Application number
ES91908360T
Other languages
English (en)
Inventor
Neil J O'reilly
William S Derwin
Henry C Lin
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.)
Occidental Chemical Corp
Original Assignee
Occidental Chemical Corp
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 Occidental Chemical Corp filed Critical Occidental Chemical Corp
Application granted granted Critical
Publication of ES2104703T3 publication Critical patent/ES2104703T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D209/00—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom
    • C07D209/02—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom condensed with one carbocyclic ring
    • C07D209/44—Iso-indoles; Hydrogenated iso-indoles
    • C07D209/48—Iso-indoles; Hydrogenated iso-indoles with oxygen atoms in positions 1 and 3, e.g. phthalimide
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Indole Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

EL ACIDO 3,4,6-TRIFLUOROFTALICO SE PREPARA EN GRANDES CANTIDADES MEDIANTE LA REACCION DE UNA FTALAMIDA 3,4,6-TRICLORON-SUBSTITUIDA CON UN FLUORURO DE POTASIO A TEMPERATURAS EN LA BANDA DE ENTRE 200 Y 270 (GRADOS) C EN LA AUSENCIA DE UN CATALIZADOR PARA FORMAR LA CORRESPONDIENTE FTALAMIDA TRIFLUORO-N-SUBSTITUIDA QUE, A SU VEZ, SE HIDROLIZA PARA FORMAR EL ACIDO 3,4,6TRIFLUOROFTALICO.
ES91908360T 1990-04-16 1991-04-02 Preparacion de acido 3,4,6-trifluoroftalico. Expired - Lifetime ES2104703T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US50992990A 1990-04-16 1990-04-16

Publications (1)

Publication Number Publication Date
ES2104703T3 true ES2104703T3 (es) 1997-10-16

Family

ID=24028687

Family Applications (1)

Application Number Title Priority Date Filing Date
ES91908360T Expired - Lifetime ES2104703T3 (es) 1990-04-16 1991-04-02 Preparacion de acido 3,4,6-trifluoroftalico.

Country Status (7)

Country Link
EP (1) EP0525066B1 (es)
JP (1) JPH05506229A (es)
KR (1) KR100198047B1 (es)
CA (1) CA2079464A1 (es)
DE (1) DE69126610T2 (es)
ES (1) ES2104703T3 (es)
WO (1) WO1991016308A1 (es)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5196590A (en) * 1992-05-11 1993-03-23 Occidental Chemical Corporation Method of making 2,4,5-trihalobenzoic acid
US5405995A (en) * 1994-06-20 1995-04-11 Occidental Chemical Corporation Difluorophthalic compounds and their preparation

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2750661A1 (de) * 1977-11-12 1979-05-17 Basf Ag Verfahren zur herstellung von 3,4,6-trichlorphthalimid
US4769493A (en) * 1986-08-18 1988-09-06 Sds Biotech K.K. Process for producing tetrafluorophthalic acid

Also Published As

Publication number Publication date
KR100198047B1 (ko) 1999-06-15
EP0525066A1 (en) 1993-02-03
KR930700440A (ko) 1993-03-15
WO1991016308A1 (en) 1991-10-31
CA2079464A1 (en) 1991-10-17
DE69126610D1 (de) 1997-07-24
EP0525066B1 (en) 1997-06-18
JPH05506229A (ja) 1993-09-16
DE69126610T2 (de) 1997-10-02
EP0525066A4 (en) 1993-03-17

Similar Documents

Publication Publication Date Title
ES469005A1 (es) Un procedimiento para la preparacion de nuevos derivados de somatostatina
DE3789972D1 (de) Herstellung von 4,6-Dinitro-2-halo-1,3-Benzendiol.
ES505364A0 (es) Procedimiento para la fabricacion de isomaltulosa (6-0-z- glucopiranosido-d-fructosa) con la ayuda de celulas bacte- rianas inmovilizadas
JPS5382766A (en) Interconversion of hydroxycholesterole stereoisomers
ES2104703T3 (es) Preparacion de acido 3,4,6-trifluoroftalico.
IT8122890A0 (it) Derivati dell'acido 2,4-esadienoico utili come erbicidi e fitoregolatori.
JPS5352690A (en) Preparation of coenzyme q
ES8607228A1 (es) Procedimiento para preparar derivados de acidos 16-fenoxi y 16(fenoxi sustituido)-prostatrienoicos y sus estereoisomeros
JPS53113806A (en) Improved soap
EP0148366A3 (en) 4,5-difluorophthaloyl fluoride and its preparation
RO73018A (ro) Procedeu pentru conversia enzimatica a unor peniciline la acid 6-aminopenicilanic
JPS53147026A (en) Continuous preparation of thioglycolic acid
JPS5398926A (en) Preparation of azodicarbonamides
JPS5296062A (en) Wrist watch
JPS53130419A (en) Stabilized prostaglandin composition
JPS5328119A (en) Preparation of pantetheine
JPS55167109A (en) Manufacture of dithionite
JPS52100429A (en) Preparation of high-purity meta-cresol
KR840001957A (ko) 신규의 이소프로필 아미노 피리미딘 유도체의 제조방법
JPS537646A (en) Synthesis of cyclohexanedione derivatives
JPS5312824A (en) Preparation of hydroquinone
JPS5427532A (en) Preparation of optical active 2-(substituted phenyl)-3-methyl-butyric acid chloride
JPS5559136A (en) Production of alpha,alpha,alpha-trifluoro-o-toluic fluoride
JPS5319825A (en) Thermodevelopable photosensitive material
JPS5397036A (en) Purification of adhesive

Legal Events

Date Code Title Description
FG2A Definitive protection

Ref document number: 525066

Country of ref document: ES