ATA482774A - PROCESS FOR THE OBTAINING DIMETHYLTEREPHTHALATE AND ITS INTERMEDIATES AND DI- AND TRIMETHYLESTERS OF DIPHENYLDI- AND TRICARBONIC ACIDS - Google Patents

PROCESS FOR THE OBTAINING DIMETHYLTEREPHTHALATE AND ITS INTERMEDIATES AND DI- AND TRIMETHYLESTERS OF DIPHENYLDI- AND TRICARBONIC ACIDS

Info

Publication number
ATA482774A
ATA482774A AT482774A AT482774A ATA482774A AT A482774 A ATA482774 A AT A482774A AT 482774 A AT482774 A AT 482774A AT 482774 A AT482774 A AT 482774A AT A482774 A ATA482774 A AT A482774A
Authority
AT
Austria
Prior art keywords
trimethylesters
diphenyldi
dimethylterephthalate
intermediates
obtaining
Prior art date
Application number
AT482774A
Other languages
German (de)
Other versions
AT333728B (en
Inventor
Shinichi Takeda
Tomio Harada
Koshi Namie
Kotaro Hara
Original Assignee
Teijin Hercules Chem Co Ltd
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 Teijin Hercules Chem Co Ltd filed Critical Teijin Hercules Chem Co Ltd
Priority to AT482774A priority Critical patent/AT333728B/en
Publication of ATA482774A publication Critical patent/ATA482774A/en
Application granted granted Critical
Publication of AT333728B publication Critical patent/AT333728B/en

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
    • 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
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/42—Separation; Purification; Stabilisation; Use of additives
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00—Preparation of carboxylic acid esters
    • 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
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00—Preparation of carboxylic acid esters
    • C07C67/48—Separation; Purification; Stabilisation; Use of additives
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00—Preparation of carboxylic acid esters
    • C07C67/48—Separation; Purification; Stabilisation; Use of additives
    • C07C67/52—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
    • C07C67/54—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation by distillation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
AT482774A 1974-06-11 1974-06-11 PROCESS FOR THE OBTAINING DIMETHYLTEREPHTHALATE AND ITS INTERMEDIATES AND DI- AND TRIMETHYLESTERS OF DIPHENYLDI- AND TRICARBONIC ACIDS AT333728B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT482774A AT333728B (en) 1974-06-11 1974-06-11 PROCESS FOR THE OBTAINING DIMETHYLTEREPHTHALATE AND ITS INTERMEDIATES AND DI- AND TRIMETHYLESTERS OF DIPHENYLDI- AND TRICARBONIC ACIDS

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT482774A AT333728B (en) 1974-06-11 1974-06-11 PROCESS FOR THE OBTAINING DIMETHYLTEREPHTHALATE AND ITS INTERMEDIATES AND DI- AND TRIMETHYLESTERS OF DIPHENYLDI- AND TRICARBONIC ACIDS

Publications (2)

Publication Number Publication Date
ATA482774A true ATA482774A (en) 1976-04-15
AT333728B AT333728B (en) 1976-12-10

Family

ID=3568815

Family Applications (1)

Application Number Title Priority Date Filing Date
AT482774A AT333728B (en) 1974-06-11 1974-06-11 PROCESS FOR THE OBTAINING DIMETHYLTEREPHTHALATE AND ITS INTERMEDIATES AND DI- AND TRIMETHYLESTERS OF DIPHENYLDI- AND TRICARBONIC ACIDS

Country Status (1)

Country Link
AT (1) AT333728B (en)

Also Published As

Publication number Publication date
AT333728B (en) 1976-12-10

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee