DK416081A - Fremgangsmaade til fremstilling af 3-brom-4-fluorbenzoesyre - Google Patents

Fremgangsmaade til fremstilling af 3-brom-4-fluorbenzoesyre

Info

Publication number: DK416081A
Authority: DK; Denmark
Prior art keywords: bromo; temperature; reacting; acid; fluorobenoic
Prior art date: 1980-09-19

Application number

DK416081A

Other languages

English (en)

Inventor

F Maurer

Original Assignee

Bayer 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.)

1980-09-19

Filing date

1981-09-18

Publication date

1982-03-20

1981-09-18 Application filed by Bayer Ag filed Critical Bayer Ag

1982-03-20 Publication of DK416081A publication Critical patent/DK416081A/da

Classifications

- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/61—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups
- C07C45/63—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by introduction of halogen; by substitution of halogen atoms by other halogen atoms
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/45—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by condensation
- C07C45/46—Friedel-Crafts reactions
- 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
- C07C51/29—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with halogen-containing compounds which may be formed in situ

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Chemical Kinetics & Catalysis (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)

DK416081A 1980-09-19 1981-09-18 Fremgangsmaade til fremstilling af 3-brom-4-fluorbenzoesyre DK416081A (da)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE19803035355 DE3035355A1 (de)	1980-09-19	1980-09-19	Verfahren zur herstellung von 3-brom-4-fluor-benzoesaeure

Publications (1)

Publication Number	Publication Date
DK416081A true DK416081A (da)	1982-03-20

Family

ID=6112356

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DK416081A DK416081A (da)	1980-09-19	1981-09-18	Fremgangsmaade til fremstilling af 3-brom-4-fluorbenzoesyre

Country Status (9)

Country	Link
US (1)	US4393232A (da)
EP (1)	EP0048375B1 (da)
JP (1)	JPS5782334A (da)
AT (1)	ATE4586T1 (da)
BR (1)	BR8105974A (da)
DE (2)	DE3035355A1 (da)
DK (1)	DK416081A (da)
HU (1)	HU190369B (da)
IL (1)	IL63850A0 (da)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5927850A (ja) *	1982-08-06	1984-02-14	Nippon Kayaku Co Ltd	フロロ安息香酸類の製造法
DE3435392A1 (de) *	1984-09-27	1986-04-03	Bayer Ag, 5090 Leverkusen	Verfahren zur herstellung von 2,4-dichlor-5-fluor-benzoesaeure
DE19617558A1 (de) *	1996-05-02	1997-11-06	Hoechst Ag	Verfahren zur Herstellung von 4,5-Dichlor-2-methylbenzoesäure

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US1930449A (en) *	1931-07-25	1933-10-10	Resinous Prod & Chemical Co	Amylbenzoic acid and process for preparing same
US2394268A (en) *	1944-07-11	1946-02-05	American Cyanamid Co	Bromination of aromatic acids
US3013079A (en) *	1957-01-18	1961-12-12	Donald E Pearson	Ring halogenation of aromatic carbonyl compounds
US3360566A (en) *	1964-11-25	1967-12-26	Hooker Chemical Corp	Manufacture of 2', 4'-dichloroacetophenones and beta-polychlorinated 2', 4'-dichloroacetophenones from mixed dichlorobenzenes
NL6509549A (da) *	1965-07-22	1967-01-23
DE3006685C2 (de) *	1980-02-22	1982-09-09	Riedel-De Haen Ag, 3016 Seelze	3-Brom-4-fluorbenzonitril und Verfahren zur Herstellung eines substituierten 3-Brom-4-fluorbenzols

1980
- 1980-09-19 DE DE19803035355 patent/DE3035355A1/de not_active Withdrawn
1981
- 1981-09-02 US US06/298,827 patent/US4393232A/en not_active Expired - Fee Related
- 1981-09-07 DE DE8181107016T patent/DE3160853D1/de not_active Expired
- 1981-09-07 AT AT81107016T patent/ATE4586T1/de active
- 1981-09-07 EP EP81107016A patent/EP0048375B1/de not_active Expired
- 1981-09-16 JP JP56144818A patent/JPS5782334A/ja active Granted
- 1981-09-16 IL IL63850A patent/IL63850A0/xx not_active IP Right Cessation
- 1981-09-18 DK DK416081A patent/DK416081A/da not_active Application Discontinuation
- 1981-09-18 BR BR8105974A patent/BR8105974A/pt unknown
- 1981-09-18 HU HU812699A patent/HU190369B/hu not_active IP Right Cessation

Also Published As

Publication number	Publication date
IL63850A0 (en)	1981-12-31
ATE4586T1 (de)	1983-09-15
HU190369B (en)	1986-08-28
EP0048375A1 (de)	1982-03-31
US4393232A (en)	1983-07-12
EP0048375B1 (de)	1983-09-07
BR8105974A (pt)	1982-06-08
JPS5782334A (en)	1982-05-22
JPH0257531B2 (da)	1990-12-05
DE3035355A1 (de)	1982-04-29
DE3160853D1 (en)	1983-10-13

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Legal Events

Date	Code	Title	Description
1984-03-10	ATS	Application withdrawn