AT314508B - Process for the preparation of monomethyl esters of isomeric phthalic acid by oxidation of toluic acid methyl esters - Google Patents

Process for the preparation of monomethyl esters of isomeric phthalic acid by oxidation of toluic acid methyl esters

Info

Publication number
AT314508B
AT314508B AT683371A AT683371A AT314508B AT 314508 B AT314508 B AT 314508B AT 683371 A AT683371 A AT 683371A AT 683371 A AT683371 A AT 683371A AT 314508 B AT314508 B AT 314508B
Authority
AT
Austria
Prior art keywords
esters
oxidation
preparation
monomethyl
acid methyl
Prior art date
Application number
AT683371A
Other languages
German (de)
Inventor
Chem Ewald Katzschmann Dipl
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 AT314508B publication Critical patent/AT314508B/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

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)
AT683371A 1971-07-02 1971-08-04 Process for the preparation of monomethyl esters of isomeric phthalic acid by oxidation of toluic acid methyl esters AT314508B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712132908 DE2132908A1 (en) 1971-07-02 1971-07-02 Terephthalic/isophthalic acid - by oxidising xylenes in soln of alkali metal acetate in acetic acid

Publications (1)

Publication Number Publication Date
AT314508B true AT314508B (en) 1974-04-10

Family

ID=5812463

Family Applications (1)

Application Number Title Priority Date Filing Date
AT683371A AT314508B (en) 1971-07-02 1971-08-04 Process for the preparation of monomethyl esters of isomeric phthalic acid by oxidation of toluic acid methyl esters

Country Status (2)

Country Link
AT (1) AT314508B (en)
DE (1) DE2132908A1 (en)

Also Published As

Publication number Publication date
DE2132908A1 (en) 1973-01-18

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Legal Events

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