CH608480A5 - Process for the preparation of a mixture of naphthalene-1,4,5,8-tetracarboxylic acid and its anhydrides - Google Patents

Process for the preparation of a mixture of naphthalene-1,4,5,8-tetracarboxylic acid and its anhydrides

Info

Publication number
CH608480A5
CH608480A5 CH1174474A CH1174474A CH608480A5 CH 608480 A5 CH608480 A5 CH 608480A5 CH 1174474 A CH1174474 A CH 1174474A CH 1174474 A CH1174474 A CH 1174474A CH 608480 A5 CH608480 A5 CH 608480A5
Authority
CH
Switzerland
Prior art keywords
anhydrides
naphthalene
mixture
preparation
tetracarboxylic acid
Prior art date
Application number
CH1174474A
Other languages
English (en)
Inventor
Freimund Dr Roehrscheid
Original Assignee
Hoechst 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
Priority claimed from DE19732343964 external-priority patent/DE2343964C3/de
Application filed by Hoechst Ag filed Critical Hoechst Ag
Publication of CH608480A5 publication Critical patent/CH608480A5/xx

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
    • C07C51/31Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation of cyclic compounds with ring-splitting
    • C07C51/316Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation of cyclic compounds with ring-splitting with oxides of nitrogen or nitrogen-containing mineral acids

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)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
CH1174474A 1973-08-31 1974-08-28 Process for the preparation of a mixture of naphthalene-1,4,5,8-tetracarboxylic acid and its anhydrides CH608480A5 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19732343964 DE2343964C3 (de) 1973-08-31 Verfahren zur Herstellung von Naphthalin-1,4,5,8-tetracarbonsäure

Publications (1)

Publication Number Publication Date
CH608480A5 true CH608480A5 (en) 1979-01-15

Family

ID=5891266

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1174474A CH608480A5 (en) 1973-08-31 1974-08-28 Process for the preparation of a mixture of naphthalene-1,4,5,8-tetracarboxylic acid and its anhydrides

Country Status (10)

Country Link
JP (1) JPS5058043A (fr)
BE (1) BE819450A (fr)
CA (1) CA1025875A (fr)
CH (1) CH608480A5 (fr)
CS (1) CS180022B2 (fr)
FR (1) FR2242364B1 (fr)
GB (1) GB1479351A (fr)
IT (1) IT1020307B (fr)
NL (1) NL7411327A (fr)
SU (1) SU521834A3 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2653346C2 (de) * 1976-11-24 1984-05-10 Basf Ag, 6700 Ludwigshafen Verfahren zur Herstellung hochreiner Halogennaphthalsäureanhydride
CN112473649B (zh) * 2019-11-07 2023-06-23 鞍山七彩化学股份有限公司 一种钒基催化剂及其制备方法和用途

Also Published As

Publication number Publication date
CS180022B2 (en) 1977-12-30
NL7411327A (nl) 1975-03-04
FR2242364A1 (fr) 1975-03-28
CA1025875A (fr) 1978-02-07
SU521834A3 (ru) 1976-07-15
DE2343964B2 (de) 1976-09-09
BE819450A (fr) 1975-03-03
IT1020307B (it) 1977-12-20
DE2343964A1 (de) 1975-04-03
FR2242364B1 (fr) 1979-01-05
JPS5058043A (fr) 1975-05-20
GB1479351A (en) 1977-07-13

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Legal Events

Date Code Title Description
PL Patent ceased
PL Patent ceased