BE780851A - Procede de preparation d'anhydride d'acide 4-chloroformyl-phtalique - Google Patents

Procede de preparation d'anhydride d'acide 4-chloroformyl-phtalique

Info

Publication number
BE780851A
BE780851A BE780851A BE780851A BE780851A BE 780851 A BE780851 A BE 780851A BE 780851 A BE780851 A BE 780851A BE 780851 A BE780851 A BE 780851A BE 780851 A BE780851 A BE 780851A
Authority
BE
Belgium
Prior art keywords
chloroformyl
preparation process
acid anhydride
phthalic acid
anhydride preparation
Prior art date
Application number
BE780851A
Other languages
English (en)
French (fr)
Inventor
P Riegger
H Richtzenhain
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
Publication of BE780851A publication Critical patent/BE780851A/xx

Links

Classifications

    • 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
    • C07C63/68—Compounds having carboxyl groups bound to a carbon atoms of six-membered aromatic rings containing halogen
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/58—Preparation of carboxylic acid halides
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/58—Preparation of carboxylic acid halides
    • C07C51/60—Preparation of carboxylic acid halides by conversion of carboxylic acids or their anhydrides or esters, lactones, salts into halides with the same carboxylic acid part
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
    • C07D307/77—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems
    • C07D307/87—Benzo [c] furans; Hydrogenated benzo [c] furans
    • C07D307/89—Benzo [c] furans; Hydrogenated benzo [c] furans with two oxygen atoms directly attached in positions 1 and 3

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Furan Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Catalysts (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Indole Compounds (AREA)
BE780851A 1971-03-19 1972-03-17 Procede de preparation d'anhydride d'acide 4-chloroformyl-phtalique BE780851A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2113439A DE2113439C3 (de) 1971-03-19 1971-03-19 Verfahren zur Herstellung von 4-Chlorformyl-phthalsäureanhydrid

Publications (1)

Publication Number Publication Date
BE780851A true BE780851A (fr) 1972-07-17

Family

ID=5802149

Family Applications (1)

Application Number Title Priority Date Filing Date
BE780851A BE780851A (fr) 1971-03-19 1972-03-17 Procede de preparation d'anhydride d'acide 4-chloroformyl-phtalique

Country Status (5)

Country Link
BE (1) BE780851A (enrdf_load_stackoverflow)
DE (1) DE2113439C3 (enrdf_load_stackoverflow)
FR (1) FR2130385B1 (enrdf_load_stackoverflow)
GB (1) GB1375314A (enrdf_load_stackoverflow)
IT (1) IT951055B (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
DE2113439B2 (de) 1979-05-17
DE2113439C3 (de) 1980-01-31
IT951055B (it) 1973-06-30
GB1375314A (enrdf_load_stackoverflow) 1974-11-27
FR2130385B1 (enrdf_load_stackoverflow) 1976-08-06
DE2113439A1 (de) 1972-09-21
FR2130385A1 (enrdf_load_stackoverflow) 1972-11-03

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