DK157672C - Fremgangsmaade til fremstilling af 2,4-dichlor- eller 2-methyl-4-chlorphenoxyeddikesyre og alfa-2,4-dichlor- eller alfa-2-methyl-4-chlorphenoxypropionsyre - Google Patents
Fremgangsmaade til fremstilling af 2,4-dichlor- eller 2-methyl-4-chlorphenoxyeddikesyre og alfa-2,4-dichlor- eller alfa-2-methyl-4-chlorphenoxypropionsyreInfo
- Publication number
- DK157672C DK157672C DK569681A DK569681A DK157672C DK 157672 C DK157672 C DK 157672C DK 569681 A DK569681 A DK 569681A DK 569681 A DK569681 A DK 569681A DK 157672 C DK157672 C DK 157672C
- Authority
- DK
- Denmark
- Prior art keywords
- dichlor
- alfa
- methyl
- acid
- chlorphenoyxyeic
- Prior art date
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
- 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
- C07C51/367—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups by introduction of functional groups containing oxygen only in singly bound form
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)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3049541 | 1980-12-31 | ||
| DE19803049541 DE3049541A1 (de) | 1980-12-31 | 1980-12-31 | Verfahren zur herstellung von 2,4-dichlor- bzw. 2-methyl-4-chlorphenoxyessigsaeure |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DK569681A DK569681A (da) | 1982-07-01 |
| DK157672B DK157672B (da) | 1990-02-05 |
| DK157672C true DK157672C (da) | 1990-07-16 |
Family
ID=6120579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK569681A DK157672C (da) | 1980-12-31 | 1981-12-22 | Fremgangsmaade til fremstilling af 2,4-dichlor- eller 2-methyl-4-chlorphenoxyeddikesyre og alfa-2,4-dichlor- eller alfa-2-methyl-4-chlorphenoxypropionsyre |
Country Status (21)
| Country | Link |
|---|---|
| US (1) | US4515985A (da) |
| EP (1) | EP0055357B1 (da) |
| JP (1) | JPS57123139A (da) |
| AR (1) | AR228633A1 (da) |
| AT (1) | ATE5812T1 (da) |
| AU (1) | AU539818B2 (da) |
| BR (1) | BR8108547A (da) |
| CA (1) | CA1182473A (da) |
| CS (1) | CS241493B2 (da) |
| DD (1) | DD201772A5 (da) |
| DE (2) | DE3049541A1 (da) |
| DK (1) | DK157672C (da) |
| ES (1) | ES508452A0 (da) |
| GR (1) | GR75381B (da) |
| HU (1) | HU188736B (da) |
| IE (1) | IE52009B1 (da) |
| IL (1) | IL64475A (da) |
| IN (1) | IN155195B (da) |
| NZ (1) | NZ199356A (da) |
| PL (1) | PL130576B2 (da) |
| ZA (1) | ZA819006B (da) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101955425B (zh) * | 2009-07-21 | 2012-12-05 | 常明 | 一种无废水生产2.4-d酸的工艺方法 |
| CN102285890A (zh) * | 2011-05-19 | 2011-12-21 | 江苏健谷化工有限公司 | 2-甲基-4-氯苯氧乙酸二甲胺盐的制备工艺 |
| CN104402707A (zh) * | 2014-12-15 | 2015-03-11 | 常熟市新腾化工有限公司 | 一种2,4-二氯苯氧乙酸的制备方法 |
| CN108947820A (zh) | 2018-03-19 | 2018-12-07 | 山东润博生物科技有限公司 | 一种氯代苯氧羧酸酯的制备方法 |
| CN108727196A (zh) * | 2018-07-23 | 2018-11-02 | 安徽华星化工有限公司 | 一种生产2-甲基-4-氯苯氧乙酸的酯类的方法 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB688659A (en) * | 1950-09-29 | 1953-03-11 | Danske Gasvaerkers Tjaere Komp | Chlorinated phenoxyacetic acids |
| US2717907A (en) * | 1952-11-12 | 1955-09-13 | Fmc Corp | Preparation of 2, 4, 5-trichlorophenoxy acetic acid |
| FR1116266A (fr) * | 1954-12-10 | 1956-05-07 | Procédé de préparation de l'acide 2-méthyl 4-chloro phénoxy acétique pur | |
| DE1027680B (de) * | 1955-07-13 | 1958-04-10 | Schering Ag | Verfahren zur Herstellung von 2-Methyl-4-chlorphenoxyessigsaeure und ihren Salzen |
| GB855504A (en) * | 1958-03-27 | 1960-11-30 | British Schering Ltd | Preparation of 2-methyl-4-chloro-phenoxy alkanoic acids |
-
1980
- 1980-12-31 DE DE19803049541 patent/DE3049541A1/de not_active Withdrawn
-
1981
- 1981-10-24 EP EP81108843A patent/EP0055357B1/de not_active Expired
- 1981-10-24 AT AT81108843T patent/ATE5812T1/de not_active IP Right Cessation
- 1981-10-24 DE DE8181108843T patent/DE3161899D1/de not_active Expired
- 1981-11-03 GR GR66410A patent/GR75381B/el unknown
- 1981-12-07 IL IL64475A patent/IL64475A/xx not_active IP Right Cessation
- 1981-12-07 IN IN1392/CAL/81A patent/IN155195B/en unknown
- 1981-12-09 CA CA000391845A patent/CA1182473A/en not_active Expired
- 1981-12-16 JP JP56201748A patent/JPS57123139A/ja active Pending
- 1981-12-16 US US06/331,457 patent/US4515985A/en not_active Expired - Lifetime
- 1981-12-17 DD DD81235898A patent/DD201772A5/de not_active IP Right Cessation
- 1981-12-22 NZ NZ199356A patent/NZ199356A/en unknown
- 1981-12-22 DK DK569681A patent/DK157672C/da not_active IP Right Cessation
- 1981-12-22 CS CS819668A patent/CS241493B2/cs unknown
- 1981-12-29 HU HU813987A patent/HU188736B/hu unknown
- 1981-12-29 AR AR287982A patent/AR228633A1/es active
- 1981-12-29 PL PL1981234491A patent/PL130576B2/pl unknown
- 1981-12-30 ZA ZA819006A patent/ZA819006B/xx unknown
- 1981-12-30 IE IE3088/81A patent/IE52009B1/en unknown
- 1981-12-30 ES ES508452A patent/ES508452A0/es active Granted
- 1981-12-30 BR BR8108547A patent/BR8108547A/pt unknown
- 1981-12-30 AU AU79066/81A patent/AU539818B2/en not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| IL64475A (en) | 1986-02-28 |
| DE3161899D1 (en) | 1984-02-16 |
| JPS57123139A (en) | 1982-07-31 |
| ZA819006B (en) | 1982-12-29 |
| BR8108547A (pt) | 1982-10-19 |
| AU539818B2 (en) | 1984-10-18 |
| HU188736B (en) | 1986-05-28 |
| IE52009B1 (en) | 1987-05-13 |
| US4515985A (en) | 1985-05-07 |
| GR75381B (da) | 1984-07-13 |
| AU7906681A (en) | 1982-07-08 |
| EP0055357B1 (de) | 1984-01-11 |
| DK157672B (da) | 1990-02-05 |
| EP0055357A1 (de) | 1982-07-07 |
| PL130576B2 (en) | 1984-08-31 |
| CA1182473A (en) | 1985-02-12 |
| IN155195B (da) | 1985-01-12 |
| ATE5812T1 (de) | 1984-01-15 |
| ES8304911A1 (es) | 1983-03-16 |
| DK569681A (da) | 1982-07-01 |
| CS966881A2 (en) | 1985-07-16 |
| DE3049541A1 (de) | 1982-07-29 |
| ES508452A0 (es) | 1983-03-16 |
| DD201772A5 (de) | 1983-08-10 |
| AR228633A1 (es) | 1983-03-30 |
| IL64475A0 (en) | 1982-03-31 |
| CS241493B2 (en) | 1986-03-13 |
| IE813088L (en) | 1982-06-30 |
| PL234491A2 (da) | 1982-09-13 |
| NZ199356A (en) | 1984-03-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PUP | Patent expired |