CA1042459A - Process for producing a non-blackened phthalic acid from the corresponding tolualdehyde - Google Patents

Process for producing a non-blackened phthalic acid from the corresponding tolualdehyde

Info

Publication number
CA1042459A
CA1042459A CA244,015A CA244015A CA1042459A CA 1042459 A CA1042459 A CA 1042459A CA 244015 A CA244015 A CA 244015A CA 1042459 A CA1042459 A CA 1042459A
Authority
CA
Canada
Prior art keywords
tolualdehyde
terephthalic acid
solvent
acid
reaction
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
CA244,015A
Other languages
English (en)
French (fr)
Inventor
Makoto Komatsu
Tazuo Ohta
Hideo Igarashi
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.)
Mitsubishi Gas Chemical Co Inc
Original Assignee
Mitsubishi Gas Chemical Co Inc
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 Mitsubishi Gas Chemical Co Inc filed Critical Mitsubishi Gas Chemical Co Inc
Application granted granted Critical
Publication of CA1042459A publication Critical patent/CA1042459A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/16Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
    • C07C51/21Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen
    • C07C51/255Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of compounds containing six-membered aromatic rings without ring-splitting
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/16Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
    • C07C51/21Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen
    • C07C51/255Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of compounds containing six-membered aromatic rings without ring-splitting
    • C07C51/265Preparation 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

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)
CA244,015A 1975-01-28 1976-01-21 Process for producing a non-blackened phthalic acid from the corresponding tolualdehyde Expired CA1042459A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1212875A JPS5186437A (ja) 1975-01-28 1975-01-28 Futarusannokokushokukaboshiho

Publications (1)

Publication Number Publication Date
CA1042459A true CA1042459A (en) 1978-11-14

Family

ID=11796885

Family Applications (1)

Application Number Title Priority Date Filing Date
CA244,015A Expired CA1042459A (en) 1975-01-28 1976-01-21 Process for producing a non-blackened phthalic acid from the corresponding tolualdehyde

Country Status (8)

Country Link
JP (1) JPS5186437A (xx)
BE (1) BE837945A (xx)
CA (1) CA1042459A (xx)
DE (1) DE2603173A1 (xx)
FR (1) FR2299306A1 (xx)
GB (1) GB1518881A (xx)
IT (1) IT1057065B (xx)
NL (1) NL7600873A (xx)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5195034A (en) * 1975-02-14 1976-08-20 Futarusanno kokushokukaboshihoho
JPS5432434A (en) * 1977-08-12 1979-03-09 Ici Ltd Method of preparing phthalicacid by oxidation of trialdehyde
EP0953561A1 (en) * 1998-04-29 1999-11-03 ARTEVA TECHNOLOGIES S.à.r.l. Preparation of dimethylterephthalate via the air oxidation of p-tolualdehyde
WO2013111782A1 (ja) 2012-01-26 2013-08-01 東レ株式会社 p-キシレン及び/又はp-トルアルデヒドの製造方法
US20150299086A1 (en) * 2012-11-23 2015-10-22 Eth Zurich Method for the production of polyethylene terephthalate with a low carbon footprint
WO2022172968A1 (ja) 2021-02-10 2022-08-18 学校法人幾徳学園 バイオマス資源からのテレフタル酸の製造方法及びバイオマス資源からのポリエステルの製造方法

Also Published As

Publication number Publication date
JPS5186437A (ja) 1976-07-29
DE2603173A1 (de) 1976-07-29
FR2299306A1 (fr) 1976-08-27
FR2299306B1 (xx) 1980-04-18
NL7600873A (nl) 1976-07-30
BE837945A (fr) 1976-05-14
GB1518881A (en) 1978-07-26
IT1057065B (it) 1982-03-10
JPS5744653B2 (xx) 1982-09-22

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