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FR2357662A1 - Procede de preparation de l'acide phtalido-carboxylique-(5) - Google Patents

Procede de preparation de l'acide phtalido-carboxylique-(5)

Info

Publication number
FR2357662A1
FR2357662A1 FR7720074A FR7720074A FR2357662A1 FR 2357662 A1 FR2357662 A1 FR 2357662A1 FR 7720074 A FR7720074 A FR 7720074A FR 7720074 A FR7720074 A FR 7720074A FR 2357662 A1 FR2357662 A1 FR 2357662A1
Authority
FR
France
Prior art keywords
phthalido
carboxylic acid
preparation
sector
dyes
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
FR7720074A
Other languages
English (en)
Other versions
FR2357662B3 (fr
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.)
BASF SE
Original Assignee
BASF SE
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 BASF SE filed Critical BASF SE
Publication of FR2357662A1 publication Critical patent/FR2357662A1/fr
Application granted granted Critical
Publication of FR2357662B3 publication Critical patent/FR2357662B3/fr
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
    • C07D307/77—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems
    • C07D307/87—Benzo [c] furans; Hydrogenated benzo [c] furans
    • C07D307/88—Benzo [c] furans; Hydrogenated benzo [c] furans with one oxygen atom directly attached in position 1 or 3
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B3/00—Electrolytic production of organic compounds
    • C25B3/20—Processes
    • C25B3/25—Reduction

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
  • Furan Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

Pour préparer l'acide phtalido-carboxylique-(5), on effectue l'hydrogénation électrochimique de l'anhydride d'acide trimellitique en solution aqueuse, à des températures inférieures à 100 degrés C. L'acide phtalido-carboxylique-(5) est un produit intermédiaire intéressant, par exemple pour le secteur des principes actifs et des colorants, ainsi que pour les produits de condensation, en particulier pour les résines pour vernis.
FR7720074A 1976-07-09 1977-06-30 Procede de preparation de l'acide phtalido-carboxylique-(5) Granted FR2357662A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19762630927 DE2630927A1 (de) 1976-07-09 1976-07-09 Verfahren zur herstellung von phthalidcarbonsaeure-(5)

Publications (2)

Publication Number Publication Date
FR2357662A1 true FR2357662A1 (fr) 1978-02-03
FR2357662B3 FR2357662B3 (fr) 1980-04-11

Family

ID=5982607

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7720074A Granted FR2357662A1 (fr) 1976-07-09 1977-06-30 Procede de preparation de l'acide phtalido-carboxylique-(5)

Country Status (3)

Country Link
DE (1) DE2630927A1 (fr)
FR (1) FR2357662A1 (fr)
GB (1) GB1578989A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997043464A1 (fr) * 1996-05-10 1997-11-20 Basf Aktiengesellschaft Procede pour preparer des phtalides

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19808296A1 (de) * 1998-02-27 1999-09-02 Basf Ag Verfahren zur selektiven Hydrolyse von Acetalen bzw. Ketalen in Gegenwart von Phthaliden
AU1130901A (en) * 1999-11-01 2001-05-14 H. Lundbeck A/S Method for the preparation of 5-carboxyphthalide
AR026063A1 (es) * 1999-11-01 2002-12-26 Lundbeck & Co As H Metodo para la preparacion de 5-carboxiftalida.
IT1317729B1 (it) 2000-01-18 2003-07-15 Norpharma S P A Procedimento per la preparazione della 5-carbossiftalide.
GB0005477D0 (en) 2000-03-07 2000-04-26 Resolution Chemicals Limited Process for the preparation of citalopram
CA2519629A1 (fr) 2003-03-21 2004-09-30 H. Lundbeck A/S Intermediaires servant a la preparation du citalopram et de l'escitalopram
WO2006090409A1 (fr) * 2005-02-28 2006-08-31 Kekule Pharma Ltd., Procede ameliore de preparation du 5-carboxyphtalide

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997043464A1 (fr) * 1996-05-10 1997-11-20 Basf Aktiengesellschaft Procede pour preparer des phtalides
US6063256A (en) * 1996-05-10 2000-05-16 Basf Aktiengesellschaft Preparation of phthalides
CN1058302C (zh) * 1996-05-10 2000-11-08 巴斯福股份公司 2－苯并[c]呋喃酮类化合物的制备方法

Also Published As

Publication number Publication date
DE2630927A1 (de) 1978-01-19
FR2357662B3 (fr) 1980-04-11
GB1578989A (en) 1980-11-12

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