BE761975A - Procede de preparation de l'ester dimethylique de l'acide terephtaliqu - Google Patents

Procede de preparation de l'ester dimethylique de l'acide terephtaliqu

Info

Publication number
BE761975A
BE761975A BE761975A BE761975A BE761975A BE 761975 A BE761975 A BE 761975A BE 761975 A BE761975 A BE 761975A BE 761975 A BE761975 A BE 761975A BE 761975 A BE761975 A BE 761975A
Authority
BE
Belgium
Prior art keywords
preparing
terephthalic acid
dimethyl ester
dimethyl
ester
Prior art date
Application number
BE761975A
Other languages
English (en)
French (fr)
Inventor
G Hoffmann
K Irlweck
R Cordes
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
Publication of BE761975A publication Critical patent/BE761975A/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C69/00—Esters of carboxylic acids; Esters of carbonic or haloformic acids
    • C07C69/76—Esters of carboxylic acids having a carboxyl group bound to a carbon atom of a six-membered aromatic ring
    • 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
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00—Preparation of carboxylic acid esters
    • C07C67/30—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group
    • C07C67/313—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group by introduction of doubly bound oxygen containing functional groups, e.g. carboxyl groups

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)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
BE761975A 1970-03-04 1971-01-25 Procede de preparation de l'ester dimethylique de l'acide terephtaliqu BE761975A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2010137A DE2010137C3 (de) 1970-03-04 1970-03-04 Verfahren zur Herstellung von Terephthalsauredimethylester

Publications (1)

Publication Number Publication Date
BE761975A true BE761975A (fr) 1971-07-26

Family

ID=5764053

Family Applications (1)

Application Number Title Priority Date Filing Date
BE761975A BE761975A (fr) 1970-03-04 1971-01-25 Procede de preparation de l'ester dimethylique de l'acide terephtaliqu

Country Status (16)

Country Link
US (1) US4820862A (cs)
JP (1) JPS572704B1 (cs)
AT (1) AT305991B (cs)
BE (1) BE761975A (cs)
BR (1) BR7100560D0 (cs)
CA (1) CA922730A (cs)
CH (1) CH541538A (cs)
CS (1) CS154681B2 (cs)
DE (1) DE2010137C3 (cs)
ES (2) ES387983A1 (cs)
FR (1) FR2081683B1 (cs)
GB (1) GB1344383A (cs)
NL (1) NL161131C (cs)
RO (1) RO58352A (cs)
SU (1) SU515441A3 (cs)
YU (1) YU36913B (cs)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2144920A1 (cs) * 1970-09-08 1972-04-13

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE791138R (fr) 1971-12-18 1973-05-09 Dynamit Nobel Ag Procede de preparation de l'ester dimethylique de l'acide terephtaliqu
JPS522895B2 (cs) * 1972-08-14 1977-01-25
FR2449073A1 (fr) * 1979-02-16 1980-09-12 Rhone Poulenc Ind Procede de recuperation de methanol et de glycol a partir de residus issus de la fabrication du polyterephtalate d'ethyleneglycol et de ses intermediaires
DE3011858C2 (de) * 1979-04-21 1982-11-25 Dynamit Nobel Ag, 5210 Troisdorf Verfahren zur Herstellung von Terephtalsäure aus Roh-Dimethylterephthalat durch kontinuierliche Hydrolyse mit Wasser
DE3244915A1 (de) * 1982-12-04 1984-06-07 Dynamit Nobel Ag, 5210 Troisdorf Verfahren zur gewinnung von kobaltloesung und zu ihrer verwendung als katalysatorloesung
US5008230A (en) * 1989-05-22 1991-04-16 Hoechst Celanese Corporation Catalyst for preparing high clarity, colorless polyethylene terephthalate
US5153164A (en) * 1989-05-22 1992-10-06 Hoechst Celanese Corporation Catalyst system for preparing polyethylene terephthalate
US5142097A (en) * 1991-05-31 1992-08-25 E. I. Du Pont De Nemours And Company Recovery and recycle of acetic acid in an oxidation process
DE19530970A1 (de) * 1995-08-23 1997-02-27 Huels Chemische Werke Ag Verfahren zur Aufarbeitung von Rückständen aus der Rohester-Destillation bei der Herstellung von Dimethylterephthalat (DMT)
DE19615886C1 (de) 1996-04-22 1997-07-31 Huels Chemische Werke Ag Verfahren zur Herstellung von rohem Dimethylterephthalat
EP0953561A1 (en) * 1998-04-29 1999-11-03 ARTEVA TECHNOLOGIES S.à.r.l. Preparation of dimethylterephthalate via the air oxidation of p-tolualdehyde

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB815198A (en) * 1957-06-13 1959-06-17 Du Pont Improvements in or relating to the production of aromatic acid esters
CA747952A (en) * 1966-12-06 Keller Rudolf Production of dialkyl esters of iso- and/or terephthalic acid
US2245528A (en) * 1938-10-18 1941-06-10 Du Pont Catalytic oxidation of alkyl substituted aromatic compounds
US2723994A (en) * 1951-01-15 1955-11-15 Shell Dev Oxidation of xylene and toluic acid mixtures to phthalic acids
DE949564C (de) * 1951-04-13 1956-09-20 Imhausen & Co G M B H Verfahren zur Herstellung von Terephthalsaeuremonomethylester
US2833816A (en) * 1954-05-03 1958-05-06 Mid Century Corp Preparation of aromatic polycarboxylic acids
DE1041945B (de) * 1956-07-02 1958-10-30 Imhausen Werke G M B H Verfahren zur Herstellung von Benzoldicarbonsaeureestern
US2894978A (en) * 1956-07-02 1959-07-14 Chemische Werke Witten Gmbh Process of producing esters of phthalic acids by oxidation of xylene and toluic acid ester mixtures
US2880237A (en) * 1957-05-20 1959-03-31 Standard Oil Co Process for production of aromatic polycarboxylic acids
GB857098A (en) * 1958-03-10 1960-12-29 Ici Ltd Improvements in and relating to the oxidation of alkyl substituted aromatic compounds
NL242734A (cs) * 1958-09-05
DE1251735B (de) * 1965-07-28 1967-10-12 Chemische Werke Witten Gesellschaft mit beschrankter Haftung Witten/ Ruhr Veifahren zur Gewinnung von reiner Terephthalsäure
BE791138R (fr) * 1971-12-18 1973-05-09 Dynamit Nobel Ag Procede de preparation de l'ester dimethylique de l'acide terephtaliqu

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2144920A1 (cs) * 1970-09-08 1972-04-13

Also Published As

Publication number Publication date
CA922730A (en) 1973-03-13
DE2010137C3 (de) 1979-07-05
ES387983A1 (es) 1973-06-01
NL7100301A (cs) 1971-09-07
YU26871A (en) 1982-02-25
NL161131C (nl) 1980-01-15
YU36913B (en) 1984-08-31
DE2010137B2 (cs) 1973-11-15
SU515441A3 (ru) 1976-05-25
AT305991B (de) 1973-03-26
US4820862A (en) 1989-04-11
FR2081683A1 (cs) 1971-12-10
ES409694A2 (es) 1976-01-01
DE2010137A1 (cs) 1971-09-23
CS154681B2 (cs) 1974-04-30
NL161131B (nl) 1979-08-15
JPS572704B1 (cs) 1982-01-18
CH541538A (de) 1973-09-15
RO58352A (cs) 1975-08-15
GB1344383A (en) 1974-01-23
FR2081683B1 (cs) 1974-06-07
BR7100560D0 (pt) 1973-05-10

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