IT1086499B - Procedimento per preparare acidi carbossilici aromatici oppure loro esteri metilici con rese aumentate - Google Patents

Procedimento per preparare acidi carbossilici aromatici oppure loro esteri metilici con rese aumentate

Info

Publication number
IT1086499B
IT1086499B IT2785077A IT2785077A IT1086499B IT 1086499 B IT1086499 B IT 1086499B IT 2785077 A IT2785077 A IT 2785077A IT 2785077 A IT2785077 A IT 2785077A IT 1086499 B IT1086499 B IT 1086499B
Authority
IT
Italy
Prior art keywords
procedure
carboxylic acids
methyl esters
aromatic carboxylic
increased yields
Prior art date
Application number
IT2785077A
Other languages
English (en)
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
Priority claimed from JP11360776A external-priority patent/JPS5344534A/ja
Priority claimed from JP574877A external-priority patent/JPS5392724A/ja
Priority claimed from JP574977A external-priority patent/JPS5392725A/ja
Application filed by Teijin Hercules Chem Co Ltd filed Critical Teijin Hercules Chem Co Ltd
Application granted granted Critical
Publication of IT1086499B publication Critical patent/IT1086499B/it

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
    • C07C51/42—Separation; Purification; Stabilisation; Use of additives
    • C07C51/487—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
IT2785077A 1976-09-24 1977-09-22 Procedimento per preparare acidi carbossilici aromatici oppure loro esteri metilici con rese aumentate IT1086499B (it)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP11360776A JPS5344534A (en) 1976-09-24 1976-09-24 Treating method of side reaction products with high boiling point
JP574877A JPS5392724A (en) 1977-01-24 1977-01-24 Method of recovering dimethyl terephthalate and intermediate thereof
JP574977A JPS5392725A (en) 1977-01-24 1977-01-24 Method of treating high boiling point secondary product

Publications (1)

Publication Number Publication Date
IT1086499B true IT1086499B (it) 1985-05-28

Family

ID=27276873

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2785077A IT1086499B (it) 1976-09-24 1977-09-22 Procedimento per preparare acidi carbossilici aromatici oppure loro esteri metilici con rese aumentate

Country Status (4)

Country Link
DE (1) DE2743004A1 (it)
FR (1) FR2365550A1 (it)
IT (1) IT1086499B (it)
NL (1) NL7710388A (it)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55145637A (en) * 1979-05-02 1980-11-13 Teijin Hercules Kk Preparation of aromatic carboxylic acid or its methyl ester
NL7903876A (nl) * 1979-05-17 1980-11-19 Stamicarbon Werkwijze voor het bereiden van een zuiver alkali- metaalbenzoaat naast benzylalcohol.
JPS58116439A (ja) * 1981-12-28 1983-07-11 Mitsubishi Gas Chem Co Inc 高純度芳香族ポリカルボン酸の製造法

Also Published As

Publication number Publication date
FR2365550A1 (fr) 1978-04-21
DE2743004A1 (de) 1978-04-06
NL7710388A (nl) 1978-03-29

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