GB1319731A - Process for the production of 2-cyano-3,4,5,6-tetrahalogenbenzoic acid alkyl esters - Google Patents
Process for the production of 2-cyano-3,4,5,6-tetrahalogenbenzoic acid alkyl estersInfo
- Publication number
- GB1319731A GB1319731A GB2445171*A GB2445171A GB1319731A GB 1319731 A GB1319731 A GB 1319731A GB 2445171 A GB2445171 A GB 2445171A GB 1319731 A GB1319731 A GB 1319731A
- Authority
- GB
- United Kingdom
- Prior art keywords
- acid alkyl
- cyano
- alkyl esters
- tetrahalogenbenzoic
- production
- 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
Links
- 239000002253 acid Substances 0.000 title abstract 3
- 125000005907 alkyl ester group Chemical group 0.000 title abstract 2
- FICQFRCPSFCFBY-UHFFFAOYSA-N 2-[bis(methylsulfanyl)methylidene]propanedinitrile Chemical compound CSC(SC)=C(C#N)C#N FICQFRCPSFCFBY-UHFFFAOYSA-N 0.000 abstract 2
- WPYMKLBDIGXBTP-UHFFFAOYSA-N Benzoic acid Natural products OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 abstract 1
- 239000005711 Benzoic acid Substances 0.000 abstract 1
- 150000003863 ammonium salts Chemical class 0.000 abstract 1
- 235000010233 benzoic acid Nutrition 0.000 abstract 1
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- 125000004093 cyano group Chemical group *C#N 0.000 abstract 1
- 230000007935 neutral effect Effects 0.000 abstract 1
- 239000003960 organic solvent Substances 0.000 abstract 1
- 235000011149 sulphuric acid Nutrition 0.000 abstract 1
- 239000001117 sulphuric acid Substances 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C255/00—Carboxylic acid nitriles
- C07C255/49—Carboxylic acid nitriles having cyano groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Silver Salt Photography Or Processing Solution Therefor (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH405770A CH526516A (de) | 1970-03-18 | 1970-03-18 | Verfahren zur Herstellung von 2-Cyan-3,4,5,6-tetrachlor-benzoesäurealkylestern |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1319731A true GB1319731A (en) | 1973-06-06 |
Family
ID=4269007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2445171*A Expired GB1319731A (en) | 1970-03-18 | 1971-04-19 | Process for the production of 2-cyano-3,4,5,6-tetrahalogenbenzoic acid alkyl esters |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3803202A (enExample) |
| JP (1) | JPS501263B1 (enExample) |
| CH (1) | CH526516A (enExample) |
| DE (1) | DE2112778C3 (enExample) |
| DK (1) | DK127596B (enExample) |
| FR (1) | FR2084739A5 (enExample) |
| GB (1) | GB1319731A (enExample) |
| NL (1) | NL169464C (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110818591A (zh) * | 2019-11-15 | 2020-02-21 | 彩客化学(沧州)有限公司 | 一种3,4,5,6-四氯-2-氰基苯甲酸甲酯的制备方法 |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5661868U (enExample) * | 1979-10-18 | 1981-05-26 | ||
| CH664954A5 (de) * | 1986-01-15 | 1988-04-15 | Ciba Geigy Ag | Verfahren zur herstellung von tetrachlor-2-cyanbenzoesaeurealkylestern. |
| CN103772237B (zh) * | 2014-01-24 | 2016-09-14 | 先尼科化工（上海）有限公司 | 四氯邻腈基苯甲酸铵生产过程中用强碱置换出氨的方法 |
-
1970
- 1970-03-18 CH CH405770A patent/CH526516A/de not_active IP Right Cessation
-
1971
- 1971-03-01 US US00119823A patent/US3803202A/en not_active Expired - Lifetime
- 1971-03-15 DK DK123071AA patent/DK127596B/da not_active IP Right Cessation
- 1971-03-17 JP JP46014685A patent/JPS501263B1/ja active Pending
- 1971-03-17 NL NLAANVRAGE7103585,A patent/NL169464C/xx not_active IP Right Cessation
- 1971-03-17 FR FR7109307A patent/FR2084739A5/fr not_active Expired
- 1971-03-17 DE DE2112778A patent/DE2112778C3/de not_active Expired
- 1971-04-19 GB GB2445171*A patent/GB1319731A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110818591A (zh) * | 2019-11-15 | 2020-02-21 | 彩客化学(沧州)有限公司 | 一种3,4,5,6-四氯-2-氰基苯甲酸甲酯的制备方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| CH526516A (de) | 1972-08-15 |
| DK127596B (da) | 1973-12-03 |
| JPS501263B1 (enExample) | 1975-01-16 |
| FR2084739A5 (enExample) | 1971-12-17 |
| DE2112778C3 (de) | 1980-05-08 |
| US3803202A (en) | 1974-04-09 |
| DE2112778B2 (de) | 1979-08-30 |
| NL169464B (nl) | 1982-02-16 |
| DE2112778A1 (de) | 1971-10-07 |
| NL169464C (nl) | 1982-07-16 |
| NL7103585A (enExample) | 1971-09-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |