ES2104193T3 - Procedimiento para la preparacion de acidos 4,5-difluoro-benzoicos, derivados de acidos 4,5-difluoro-benzoicos y 4,5-difluoro-benzaldehidos. - Google Patents
Procedimiento para la preparacion de acidos 4,5-difluoro-benzoicos, derivados de acidos 4,5-difluoro-benzoicos y 4,5-difluoro-benzaldehidos.Info
- Publication number
- ES2104193T3 ES2104193T3 ES94100423T ES94100423T ES2104193T3 ES 2104193 T3 ES2104193 T3 ES 2104193T3 ES 94100423 T ES94100423 T ES 94100423T ES 94100423 T ES94100423 T ES 94100423T ES 2104193 T3 ES2104193 T3 ES 2104193T3
- Authority
- ES
- Spain
- Prior art keywords
- difluoro
- benzoic acids
- benzaldehydes
- derivatives
- procedure
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Lifetime
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/347—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups
- C07C51/363—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl 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
- C07C45/61—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
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/54—Preparation of carboxylic acid anhydrides
- C07C51/567—Preparation of carboxylic acid anhydrides by reactions not involving carboxylic acid anhydride groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/30—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group
- C07C67/307—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group by introduction of halogen; by substitution of halogen atoms by other halogen atoms
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)
Abstract
LA PRESENTE INVENCION SE REFIERE A UN PROCESO PARA LA ELABORACION DE COMPUESTOS DE LA FORMULA (I) DONDE R1 ES OH, ATOMOS DE CARBONO, CONH2, NDE SE TRANSFORMA UN COMPUESTO DE LA FORMULA (II) DONDE R1 POSEE EL SIGNIFICADO ANTES DADO Y R3 ES H O CL, EN PRESENCIA DE UN CATALIZADOR DE CLORACION CON UN AGENTE DE CLORACION DESDE -10 HASTA 200
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4302458 | 1993-01-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2104193T3 true ES2104193T3 (es) | 1997-10-01 |
Family
ID=6479181
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES94100423T Expired - Lifetime ES2104193T3 (es) | 1993-01-29 | 1994-01-13 | Procedimiento para la preparacion de acidos 4,5-difluoro-benzoicos, derivados de acidos 4,5-difluoro-benzoicos y 4,5-difluoro-benzaldehidos. |
Country Status (6)
Country | Link |
---|---|
US (1) | US5473095A (es) |
EP (1) | EP0608714B1 (es) |
JP (1) | JPH06316545A (es) |
CA (1) | CA2114504A1 (es) |
DE (1) | DE59402562D1 (es) |
ES (1) | ES2104193T3 (es) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19620797A1 (de) * | 1996-05-23 | 1997-11-27 | Bayer Ag | Verfahren zur Herstellung von halogenierten Phthalsäuren und deren Derivaten |
IL123137A0 (en) * | 1998-02-02 | 1998-09-24 | Bromine Compounds Ltd | Process for the halogenation of aldehydes and ketones |
CN100546970C (zh) * | 2006-05-18 | 2009-10-07 | 中国科学院广州化学研究所 | 一种溴代苯甲酸酯的合成方法 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6471844A (en) * | 1987-09-14 | 1989-03-16 | Sds Biotech Kk | 2,4,5-trifluoroisophthalonitrile and production thereof |
JPH072679B2 (ja) * | 1988-04-15 | 1995-01-18 | 旭硝子株式会社 | 2―クロロ―4,5―ジフルオロ安息香酸誘導体 |
US5214187A (en) * | 1988-06-21 | 1993-05-25 | Basf Aktiengesellschaft | Benzonitriles, benzaldehydes and benzyl alcohols |
US5187295A (en) * | 1991-02-20 | 1993-02-16 | Hoechst Aktiengesellschaft | Process for the preparation of 2,4-dichloro-5-fluorobenzonitrile |
DE4123322C2 (de) * | 1991-07-13 | 2003-04-03 | Clariant Gmbh | 2-Chlor-3,4,5-trifluorbenzoesäure 2,2'-Dichlor-3,4,5-trifluoracetophenon, 2,2',2'-Trichlor-3,4,5-trifluoracetophenon, 5,2'-Dichlor-2,3,4-trifluoracetophenon und 5,2',2'-Trichlor-2,3,4-trifluoracetophenon und Verfahren zur Herstellung dieser Verbindungen und der isomeren 5-Chlor-2,3,4-trifluorbenzoesäure |
-
1994
- 1994-01-13 EP EP94100423A patent/EP0608714B1/de not_active Expired - Lifetime
- 1994-01-13 ES ES94100423T patent/ES2104193T3/es not_active Expired - Lifetime
- 1994-01-13 DE DE59402562T patent/DE59402562D1/de not_active Expired - Fee Related
- 1994-01-27 US US08/187,622 patent/US5473095A/en not_active Expired - Fee Related
- 1994-01-27 JP JP6007879A patent/JPH06316545A/ja not_active Withdrawn
- 1994-01-28 CA CA002114504A patent/CA2114504A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
EP0608714A1 (de) | 1994-08-03 |
DE59402562D1 (de) | 1997-06-05 |
JPH06316545A (ja) | 1994-11-15 |
US5473095A (en) | 1995-12-05 |
EP0608714B1 (de) | 1997-05-02 |
CA2114504A1 (en) | 1994-07-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG2A | Definitive protection |
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