IL63850A0 - Preparation of 3-bromo-4-fluorobenzoic acid - Google Patents
Preparation of 3-bromo-4-fluorobenzoic acidInfo
- Publication number
- IL63850A0 IL63850A0 IL63850A IL6385081A IL63850A0 IL 63850 A0 IL63850 A0 IL 63850A0 IL 63850 A IL63850 A IL 63850A IL 6385081 A IL6385081 A IL 6385081A IL 63850 A0 IL63850 A0 IL 63850A0
- Authority
- IL
- Israel
- Prior art keywords
- bromo
- preparation
- fluorobenzoic acid
- temperature
- reacting
- Prior art date
Links
- ONELILMJNOWXSA-UHFFFAOYSA-N 3-bromo-4-fluorobenzoic acid Chemical compound OC(=O)C1=CC=C(F)C(Br)=C1 ONELILMJNOWXSA-UHFFFAOYSA-N 0.000 title abstract 2
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 abstract 2
- 239000003054 catalyst Substances 0.000 abstract 2
- WQYVRQLZKVEZGA-UHFFFAOYSA-N hypochlorite Chemical compound Cl[O-] WQYVRQLZKVEZGA-UHFFFAOYSA-N 0.000 abstract 2
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 abstract 1
- WETWJCDKMRHUPV-UHFFFAOYSA-N acetyl chloride Chemical compound CC(Cl)=O WETWJCDKMRHUPV-UHFFFAOYSA-N 0.000 abstract 1
- 239000012346 acetyl chloride Substances 0.000 abstract 1
- 230000010933 acylation Effects 0.000 abstract 1
- 238000005917 acylation reaction Methods 0.000 abstract 1
- 230000031709 bromination Effects 0.000 abstract 1
- 238000005893 bromination reaction Methods 0.000 abstract 1
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 abstract 1
- 229910052794 bromium Inorganic materials 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- PYLWMHQQBFSUBP-UHFFFAOYSA-N monofluorobenzene Chemical compound FC1=CC=CC=C1 PYLWMHQQBFSUBP-UHFFFAOYSA-N 0.000 abstract 1
- 239000011541 reaction mixture Substances 0.000 abstract 1
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)
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 |
|---|---|
| IL63850A0 true IL63850A0 (en) | 1981-12-31 |
Family
ID=6112356
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IL63850A IL63850A0 (en) | 1980-09-19 | 1981-09-16 | Preparation of 3-bromo-4-fluorobenzoic acid |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US4393232A (pm) |
| EP (1) | EP0048375B1 (pm) |
| JP (1) | JPS5782334A (pm) |
| AT (1) | ATE4586T1 (pm) |
| BR (1) | BR8105974A (pm) |
| DE (2) | DE3035355A1 (pm) |
| DK (1) | DK416081A (pm) |
| HU (1) | HU190369B (pm) |
| IL (1) | IL63850A0 (pm) |
Families Citing this family (4)
| 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 |
| JP2002167352A (ja) * | 2000-11-30 | 2002-06-11 | Adchemco Corp | ４，４’−ジカルボキシジフェニルエーテルの製造方法 |
Family Cites Families (7)
| 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 (pm) | 1965-07-22 | 1967-01-23 | ||
| SU598594A1 (ru) | 1976-05-17 | 1978-03-25 | Институт Почвоведения И Агрохимии Ан Азербайджанской Сср | Стимул тор роста растений |
| 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 EP EP81107016A patent/EP0048375B1/de not_active Expired
- 1981-09-07 AT AT81107016T patent/ATE4586T1/de active
- 1981-09-07 DE DE8181107016T patent/DE3160853D1/de not_active Expired
- 1981-09-16 IL IL63850A patent/IL63850A0/xx not_active IP Right Cessation
- 1981-09-16 JP JP56144818A patent/JPS5782334A/ja active Granted
- 1981-09-18 BR BR8105974A patent/BR8105974A/pt unknown
- 1981-09-18 DK DK416081A patent/DK416081A/da not_active Application Discontinuation
- 1981-09-18 HU HU812699A patent/HU190369B/hu not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| BR8105974A (pt) | 1982-06-08 |
| DE3160853D1 (en) | 1983-10-13 |
| JPH0257531B2 (pm) | 1990-12-05 |
| JPS5782334A (en) | 1982-05-22 |
| DK416081A (da) | 1982-03-20 |
| US4393232A (en) | 1983-07-12 |
| EP0048375A1 (de) | 1982-03-31 |
| DE3035355A1 (de) | 1982-04-29 |
| EP0048375B1 (de) | 1983-09-07 |
| ATE4586T1 (de) | 1983-09-15 |
| HU190369B (en) | 1986-08-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RH | Patent void |