BE807899A - Procede de preparation d'anhydride isatoique portant ou non des substituants - Google Patents

Procede de preparation d'anhydride isatoique portant ou non des substituants

Info

Publication number
BE807899A
BE807899A BE138243A BE138243A BE807899A BE 807899 A BE807899 A BE 807899A BE 138243 A BE138243 A BE 138243A BE 138243 A BE138243 A BE 138243A BE 807899 A BE807899 A BE 807899A
Authority
BE
Belgium
Prior art keywords
substituents
preparation process
isatoic anhydride
anhydride preparation
isatoic
Prior art date
Application number
BE138243A
Other languages
English (en)
French (fr)
Original Assignee
Basf 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 Basf Ag filed Critical Basf Ag
Publication of BE807899A publication Critical patent/BE807899A/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D265/00—Heterocyclic compounds containing six-membered rings having one nitrogen atom and one oxygen atom as the only ring hetero atoms
    • C07D265/04—1,3-Oxazines; Hydrogenated 1,3-oxazines
    • C07D265/12—1,3-Oxazines; Hydrogenated 1,3-oxazines condensed with carbocyclic rings or ring systems
    • C07D265/14—1,3-Oxazines; Hydrogenated 1,3-oxazines condensed with carbocyclic rings or ring systems condensed with one six-membered ring
    • C07D265/24—1,3-Oxazines; Hydrogenated 1,3-oxazines condensed with carbocyclic rings or ring systems condensed with one six-membered ring with hetero atoms directly attached in positions 2 and 4
    • C07D265/26—Two oxygen atoms, e.g. isatoic anhydride

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Indole Compounds (AREA)
BE138243A 1972-11-28 1973-11-28 Procede de preparation d'anhydride isatoique portant ou non des substituants BE807899A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722258150 DE2258150C2 (de) 1972-11-28 1972-11-28 Verfahren zur Herstellung von Isatosäureanhydriden

Publications (1)

Publication Number Publication Date
BE807899A true BE807899A (fr) 1974-05-28

Family

ID=5862880

Family Applications (1)

Application Number Title Priority Date Filing Date
BE138243A BE807899A (fr) 1972-11-28 1973-11-28 Procede de preparation d'anhydride isatoique portant ou non des substituants

Country Status (2)

Country Link
BE (1) BE807899A (xx)
DE (1) DE2258150C2 (xx)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2902978A1 (de) * 1979-01-26 1980-08-07 Basf Ag Verfahren zur kontinuierlichen herstellung von isatosaeureanhydrid
CN112080337A (zh) * 2020-08-04 2020-12-15 河北临泰电子科技有限公司 一种铜线的制备方法
CN114685397A (zh) * 2021-12-08 2022-07-01 青岛科技大学 一种串联釜式连续生产苯达松的方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1770458C3 (de) * 1968-05-20 1981-11-05 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung von Isatosäureanhydrid

Also Published As

Publication number Publication date
DE2258150C2 (de) 1985-08-14
DE2258150A1 (de) 1974-05-30

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Legal Events

Date Code Title Description
RE20 Patent expired

Owner name: BASF A.G.

Effective date: 19931128