CA922730A - Process for the preparation of terephthalic acid dimethyl ester - Google Patents

Process for the preparation of terephthalic acid dimethyl ester

Info

Publication number
CA922730A
CA922730A CA106627A CA106627A CA922730A CA 922730 A CA922730 A CA 922730A CA 106627 A CA106627 A CA 106627A CA 106627 A CA106627 A CA 106627A CA 922730 A CA922730 A CA 922730A
Authority
CA
Canada
Prior art keywords
preparation
terephthalic acid
dimethyl ester
acid dimethyl
ester
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
CA106627A
Other languages
English (en)
Other versions
CA106627S (en
Inventor
Hoffmann Gerhart
Irlweck Karl
Cordes Rudolf
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
Application granted granted Critical
Publication of CA922730A publication Critical patent/CA922730A/en
Expired legal-status Critical Current

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)
CA106627A 1970-03-04 1971-03-02 Process for the preparation of terephthalic acid dimethyl ester Expired CA922730A (en)

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
CA922730A true CA922730A (en) 1973-03-13

Family

ID=5764053

Family Applications (1)

Application Number Title Priority Date Filing Date
CA106627A Expired CA922730A (en) 1970-03-04 1971-03-02 Process for the preparation of terephthalic acid dimethyl ester

Country Status (16)

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

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4927574B1 (ro) * 1970-09-08 1974-07-18
BE791138R (fr) 1971-12-18 1973-05-09 Dynamit Nobel Ag Procede de preparation de l'ester dimethylique de l'acide terephtaliqu
JPS522895B2 (ro) * 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 (ro) * 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

Also Published As

Publication number Publication date
DE2010137C3 (de) 1979-07-05
ES387983A1 (es) 1973-06-01
NL7100301A (ro) 1971-09-07
YU26871A (en) 1982-02-25
NL161131C (nl) 1980-01-15
YU36913B (en) 1984-08-31
DE2010137B2 (ro) 1973-11-15
SU515441A3 (ru) 1976-05-25
AT305991B (de) 1973-03-26
US4820862A (en) 1989-04-11
FR2081683A1 (ro) 1971-12-10
ES409694A2 (es) 1976-01-01
DE2010137A1 (ro) 1971-09-23
CS154681B2 (ro) 1974-04-30
NL161131B (nl) 1979-08-15
JPS572704B1 (ro) 1982-01-18
CH541538A (de) 1973-09-15
RO58352A (ro) 1975-08-15
GB1344383A (en) 1974-01-23
FR2081683B1 (ro) 1974-06-07
BR7100560D0 (pt) 1973-05-10
BE761975A (fr) 1971-07-26

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