DD201772A5 - Verfahren zur herstellung von chlorierten phenoxyalkansaeuren - Google Patents
Verfahren zur herstellung von chlorierten phenoxyalkansaeuren Download PDFInfo
- Publication number
- DD201772A5 DD201772A5 DD81235898A DD23589881A DD201772A5 DD 201772 A5 DD201772 A5 DD 201772A5 DD 81235898 A DD81235898 A DD 81235898A DD 23589881 A DD23589881 A DD 23589881A DD 201772 A5 DD201772 A5 DD 201772A5
- Authority
- DD
- German Democratic Republic
- Prior art keywords
- acid
- alpha
- water
- parts
- methyl
- 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 (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19803049541 DE3049541A1 (de) | 1980-12-31 | 1980-12-31 | Verfahren zur herstellung von 2,4-dichlor- bzw. 2-methyl-4-chlorphenoxyessigsaeure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DD201772A5 true DD201772A5 (de) | 1983-08-10 |
Family
ID=6120579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DD81235898A DD201772A5 (de) | 1980-12-31 | 1981-12-17 | Verfahren zur herstellung von chlorierten phenoxyalkansaeuren |
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) | ES8304911A1 (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 AT AT81108843T patent/ATE5812T1/de not_active IP Right Cessation
- 1981-10-24 EP EP81108843A patent/EP0055357B1/de not_active Expired
- 1981-10-24 DE DE8181108843T patent/DE3161899D1/de not_active Expired
- 1981-11-03 GR GR66410A patent/GR75381B/el unknown
- 1981-12-07 IN IN1392/CAL/81A patent/IN155195B/en unknown
- 1981-12-07 IL IL64475A patent/IL64475A/xx not_active IP Right Cessation
- 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 PL PL1981234491A patent/PL130576B2/pl unknown
- 1981-12-29 HU HU813987A patent/HU188736B/hu unknown
- 1981-12-29 AR AR287982A patent/AR228633A1/es active
- 1981-12-30 ES ES508452A patent/ES8304911A1/es not_active Expired
- 1981-12-30 IE IE3088/81A patent/IE52009B1/en unknown
- 1981-12-30 ZA ZA819006A patent/ZA819006B/xx unknown
- 1981-12-30 AU AU79066/81A patent/AU539818B2/en not_active Ceased
- 1981-12-30 BR BR8108547A patent/BR8108547A/pt unknown
Also Published As
| Publication number | Publication date |
|---|---|
| IL64475A0 (en) | 1982-03-31 |
| NZ199356A (en) | 1984-03-30 |
| DK157672C (da) | 1990-07-16 |
| AU539818B2 (en) | 1984-10-18 |
| JPS57123139A (en) | 1982-07-31 |
| EP0055357A1 (de) | 1982-07-07 |
| BR8108547A (pt) | 1982-10-19 |
| CA1182473A (en) | 1985-02-12 |
| IL64475A (en) | 1986-02-28 |
| ZA819006B (en) | 1982-12-29 |
| ES508452A0 (es) | 1983-03-16 |
| DE3161899D1 (en) | 1984-02-16 |
| CS241493B2 (en) | 1986-03-13 |
| CS966881A2 (en) | 1985-07-16 |
| DE3049541A1 (de) | 1982-07-29 |
| US4515985A (en) | 1985-05-07 |
| IE813088L (en) | 1982-06-30 |
| IN155195B (da) | 1985-01-12 |
| IE52009B1 (en) | 1987-05-13 |
| AU7906681A (en) | 1982-07-08 |
| EP0055357B1 (de) | 1984-01-11 |
| HU188736B (en) | 1986-05-28 |
| AR228633A1 (es) | 1983-03-30 |
| PL130576B2 (en) | 1984-08-31 |
| ATE5812T1 (de) | 1984-01-15 |
| DK157672B (da) | 1990-02-05 |
| ES8304911A1 (es) | 1983-03-16 |
| DK569681A (da) | 1982-07-01 |
| PL234491A2 (da) | 1982-09-13 |
| GR75381B (da) | 1984-07-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ENJ | Ceased due to non-payment of renewal fee |