DE2047579B2 - Verfahren zur Herstellung von Terephthalsäuredimethylester - Google Patents

Verfahren zur Herstellung von Terephthalsäuredimethylester

Info

Publication number
DE2047579B2
DE2047579B2 DE19702047579 DE2047579A DE2047579B2 DE 2047579 B2 DE2047579 B2 DE 2047579B2 DE 19702047579 DE19702047579 DE 19702047579 DE 2047579 A DE2047579 A DE 2047579A DE 2047579 B2 DE2047579 B2 DE 2047579B2
Authority
DE
Germany
Prior art keywords
oxidation
cobalt
xylene
ester
acid
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
DE19702047579
Other languages
German (de)
English (en)
Other versions
DE2047579C3 (cs
DE2047579A1 (cs
Inventor
Rudolph Dr. Cordes
Gerhart Dr.Rer.Nat. Hoffmann
Wolfgang Dr. Raabe
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.)
Dynamit Nobel AG
Original Assignee
Dynamit Nobel AG
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 Dynamit Nobel AG filed Critical Dynamit Nobel AG
Priority to DE19702047579 priority Critical patent/DE2047579B2/de
Priority to NL7108955A priority patent/NL7108955A/xx
Priority to ES393247A priority patent/ES393247A1/es
Priority to RO6768671A priority patent/RO59479A/ro
Priority to CA120613A priority patent/CA921931A/en
Priority to IT2761471A priority patent/IT941696B/it
Priority to BR586071A priority patent/BR7105860D0/pt
Priority to TR1691271A priority patent/TR16912A/xx
Priority to FR7134896A priority patent/FR2108653A5/fr
Publication of DE2047579A1 publication Critical patent/DE2047579A1/de
Publication of DE2047579B2 publication Critical patent/DE2047579B2/de
Application granted granted Critical
Publication of DE2047579C3 publication Critical patent/DE2047579C3/de
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/16—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
    • C07C51/21—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen
    • C07C51/255—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of compounds containing six-membered aromatic rings without ring-splitting
    • C07C51/265—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of compounds containing six-membered aromatic rings without ring-splitting having alkyl side chains which are oxidised to carboxyl groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00—Preparation of carboxylic acid esters
    • C07C67/08—Preparation of carboxylic acid esters by reacting carboxylic acids or symmetrical anhydrides with the hydroxy or O-metal group of organic compounds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Catalysts (AREA)
DE19702047579 1970-09-28 1970-09-28 Verfahren zur Herstellung von Terephthalsäuredimethylester Granted DE2047579B2 (de)

Priority Applications (9)

Application Number Priority Date Filing Date Title
DE19702047579 DE2047579B2 (de) 1970-09-28 1970-09-28 Verfahren zur Herstellung von Terephthalsäuredimethylester
NL7108955A NL7108955A (cs) 1970-09-28 1971-06-29
ES393247A ES393247A1 (es) 1970-09-28 1971-07-14 Procedimiento para la preparacion de ester dimetilico de a-cido tereftalico.
RO6768671A RO59479A (cs) 1970-09-28 1971-07-16
CA120613A CA921931A (en) 1970-09-28 1971-08-16 Process for the preparation of terephthalic acid dimethylester
IT2761471A IT941696B (it) 1970-09-28 1971-08-18 Procedimento per la preparazione di estere dimetilico dell acido tereftalico
BR586071A BR7105860D0 (pt) 1970-09-28 1971-09-06 Processo para a preparacao do ester dimetilico do acido tereflatico
TR1691271A TR16912A (tr) 1970-09-28 1971-09-14 Tereftalik asit dimetilesterlerinin imaline mahsus usul
FR7134896A FR2108653A5 (en) 1970-09-28 1971-09-28 Dimethyl terephthalate prodn - using a cobalt and a group via metal catalyst

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19702047579 DE2047579B2 (de) 1970-09-28 1970-09-28 Verfahren zur Herstellung von Terephthalsäuredimethylester

Publications (3)

Publication Number Publication Date
DE2047579A1 DE2047579A1 (cs) 1972-03-30
DE2047579B2 true DE2047579B2 (de) 1975-04-24
DE2047579C3 DE2047579C3 (cs) 1975-12-04

Family

ID=5783559

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19702047579 Granted DE2047579B2 (de) 1970-09-28 1970-09-28 Verfahren zur Herstellung von Terephthalsäuredimethylester

Country Status (9)

Country Link
BR (1) BR7105860D0 (cs)
CA (1) CA921931A (cs)
DE (1) DE2047579B2 (cs)
ES (1) ES393247A1 (cs)
FR (1) FR2108653A5 (cs)
IT (1) IT941696B (cs)
NL (1) NL7108955A (cs)
RO (1) RO59479A (cs)
TR (1) TR16912A (cs)

Also Published As

Publication number Publication date
IT941696B (it) 1973-03-10
BR7105860D0 (pt) 1973-05-08
ES393247A1 (es) 1975-02-16
RO59479A (cs) 1976-02-15
FR2108653A5 (en) 1972-05-19
NL7108955A (cs) 1972-03-30
TR16912A (tr) 1973-09-01
DE2047579C3 (cs) 1975-12-04
DE2047579A1 (cs) 1972-03-30
CA921931A (en) 1973-02-27

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
E77 Valid patent as to the heymanns-index 1977
EHJ Ceased/non-payment of the annual fee