ZA924035B - Process for the preparation of substantially naphthoquinone-free phthalic anhydride from naphthalene - Google Patents

Process for the preparation of substantially naphthoquinone-free phthalic anhydride from naphthalene

Info

Publication number
ZA924035B
ZA924035B ZA924035A ZA924035A ZA924035B ZA 924035 B ZA924035 B ZA 924035B ZA 924035 A ZA924035 A ZA 924035A ZA 924035 A ZA924035 A ZA 924035A ZA 924035 B ZA924035 B ZA 924035B
Authority
ZA
South Africa
Prior art keywords
naphthoquinone
naphthalene
preparation
phthalic anhydride
free phthalic
Prior art date
Application number
ZA924035A
Inventor
Manfred Zur Hausen
Zur Hausen Manfred
Karl Kirste
Kirste Karl
Wilfried Krix
Krix Wilfried
Original Assignee
Huels Chemische Werke 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 Huels Chemische Werke Ag filed Critical Huels Chemische Werke Ag
Publication of ZA924035B publication Critical patent/ZA924035B/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
    • C07C63/00—Compounds having carboxyl groups bound to a carbon atoms of six-membered aromatic rings
    • 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
    • C07C51/31—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation of cyclic compounds with ring-splitting
    • C07C51/313—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation of cyclic compounds with ring-splitting with molecular oxygen

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)
  • Furan Compounds (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Catalysts (AREA)
ZA924035A 1991-06-04 1992-06-03 Process for the preparation of substantially naphthoquinone-free phthalic anhydride from naphthalene ZA924035B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4118285A DE4118285A1 (en) 1991-06-04 1991-06-04 PROCESS FOR THE LARGELY NAPHTHOCHINONE-FREE PREPARATION OF PHTHALSAFE ANHYDRIDE FROM NAPHTHALIN

Publications (1)

Publication Number Publication Date
ZA924035B true ZA924035B (en) 1993-02-24

Family

ID=6433148

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA924035A ZA924035B (en) 1991-06-04 1992-06-03 Process for the preparation of substantially naphthoquinone-free phthalic anhydride from naphthalene

Country Status (6)

Country Link
EP (1) EP0516935A3 (en)
JP (1) JPH0687846A (en)
KR (1) KR930000461A (en)
CS (1) CS165892A3 (en)
DE (1) DE4118285A1 (en)
ZA (1) ZA924035B (en)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1077206B (en) * 1956-11-10 1960-03-10 Teerverwertung Mit Beschraenkt Process for the production of pure phthalic anhydride
DE3719476A1 (en) * 1987-06-11 1988-12-29 Huels Chemische Werke Ag METHOD FOR PRODUCING PHTHALIC ACID ANHYDRIDE BY GAS PHASE OXIDATION OF AN O-XYLOL-NAPHTHALINE MIXTURE

Also Published As

Publication number Publication date
DE4118285A1 (en) 1992-12-10
EP0516935A2 (en) 1992-12-09
JPH0687846A (en) 1994-03-29
KR930000461A (en) 1993-01-15
CS165892A3 (en) 1992-12-16
EP0516935A3 (en) 1993-01-27

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