GB2001640B - Process for the preparation of tobias acid - Google Patents
Process for the preparation of tobias acidInfo
- Publication number
- GB2001640B GB2001640B GB787830885A GB7830885A GB2001640B GB 2001640 B GB2001640 B GB 2001640B GB 787830885 A GB787830885 A GB 787830885A GB 7830885 A GB7830885 A GB 7830885A GB 2001640 B GB2001640 B GB 2001640B
- Authority
- GB
- United Kingdom
- Prior art keywords
- preparation
- tobias acid
- tobias
- acid
- 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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C303/00—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides
- C07C303/32—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides of salts of sulfonic acids
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C303/00—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides
- C07C303/02—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides of sulfonic acids or halides thereof
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C303/00—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides
- C07C303/02—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides of sulfonic acids or halides thereof
- C07C303/04—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides of sulfonic acids or halides thereof by substitution of hydrogen atoms by sulfo or halosulfonyl groups
- C07C303/06—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides of sulfonic acids or halides thereof by substitution of hydrogen atoms by sulfo or halosulfonyl groups by reaction with sulfuric acid or sulfur trioxide
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C303/00—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides
- C07C303/02—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides of sulfonic acids or halides thereof
- C07C303/22—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides of sulfonic acids or halides thereof from sulfonic acids, by reactions not involving the formation of sulfo or halosulfonyl groups; from sulfonic halides by reactions not involving the formation of halosulfonyl groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C303/00—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides
- C07C303/42—Separation; Purification; Stabilisation; Use of additives
- C07C303/44—Separation; Purification
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C309/00—Sulfonic acids; Halides, esters, or anhydrides thereof
- C07C309/01—Sulfonic acids
- C07C309/28—Sulfonic acids having sulfo groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US82005677A | 1977-07-29 | 1977-07-29 |
Publications (2)
Publication Number | Publication Date |
---|---|
GB2001640A GB2001640A (en) | 1979-02-07 |
GB2001640B true GB2001640B (en) | 1982-02-10 |
Family
ID=25229772
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB787830885A Expired GB2001640B (en) | 1977-07-29 | 1978-07-24 | Process for the preparation of tobias acid |
Country Status (4)
Country | Link |
---|---|
JP (1) | JPS5427553A (en) |
DE (1) | DE2831966A1 (en) |
FR (1) | FR2398727A1 (en) |
GB (1) | GB2001640B (en) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2831995A1 (en) * | 1977-07-29 | 1979-02-08 | American Cyanamid Co | PROCESS FOR THE PREPARATION OF AN AQUATIC SOLUTION OF AN ALKALINE SALT OF 2-HYDROXY-1-NAPHTHALINE SULPHONIC ACID |
DE2831956A1 (en) * | 1977-07-29 | 1979-02-15 | American Cyanamid Co | Process for the preparation of an aqueous solution of an alkali metal salt of 2-Hydroxy-1-NAPHTHALINE-SULPHONIC ACID |
DE2831993A1 (en) * | 1977-07-29 | 1979-02-08 | American Cyanamid Co | PROCESS FOR THE PREPARATION OF 2-AMINO-1NAPHTHALINE SULPHONIC ACID |
DE2831992A1 (en) * | 1977-07-29 | 1979-02-08 | American Cyanamid Co | PROCESS FOR THE PREPARATION OF 2-AMINO- 1-NAPHTHALINE SULFONIC ACID |
DE2831965A1 (en) * | 1977-07-29 | 1979-02-08 | American Cyanamid Co | PROCESS FOR THE PREPARATION OF 2-AMINO- 1-NAPHTHALINE SULFONIC ACID |
DE2831994A1 (en) * | 1977-07-29 | 1979-02-08 | American Cyanamid Co | PROCESS FOR PRODUCTION OF TOBIAC ACID |
EP0031299B1 (en) * | 1979-12-20 | 1985-02-13 | Ciba-Geigy Ag | Process for the preparation of 2-amino-1-naphthalene sulfonic acid |
JPH0819264B2 (en) * | 1988-06-03 | 1996-02-28 | 日本ゼオン株式会社 | Vulcanizable rubber composition |
CN109810028A (en) * | 2019-04-03 | 2019-05-28 | 天津市科德化工有限公司 | Apparatus system for tobias acid waste liquid purification tobias acid |
CN113698324A (en) * | 2021-09-02 | 2021-11-26 | 昌邑瑞新化学工业有限公司 | Method for producing tobias acid and by-producing ammonium sulfate or ammonium chloride by using full ammonium salt system |
CN113698323B (en) * | 2021-09-02 | 2023-09-05 | 昌邑瑞新化学工业有限公司 | Method for producing tobias acid by reducing yield of acid precipitation mother liquor wastewater |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2058911A (en) * | 1931-12-08 | 1936-10-27 | Nat Aniline & Chem Co Inc | Process for the purification of naphthylamine sulphonic acid |
FR1182010A (en) * | 1956-09-05 | 1959-06-22 | Gen Aniline & Film Corp | Process for preparing beta-naphthol-sulfonic acid |
DD103390A1 (en) * | 1973-01-12 | 1974-01-20 | ||
CA1051023A (en) * | 1975-03-14 | 1979-03-20 | Henry X. Kaempfen | Method for tobias acid manufacture |
DE2831995A1 (en) * | 1977-07-29 | 1979-02-08 | American Cyanamid Co | PROCESS FOR THE PREPARATION OF AN AQUATIC SOLUTION OF AN ALKALINE SALT OF 2-HYDROXY-1-NAPHTHALINE SULPHONIC ACID |
DE2831956A1 (en) * | 1977-07-29 | 1979-02-15 | American Cyanamid Co | Process for the preparation of an aqueous solution of an alkali metal salt of 2-Hydroxy-1-NAPHTHALINE-SULPHONIC ACID |
DE2831965A1 (en) * | 1977-07-29 | 1979-02-08 | American Cyanamid Co | PROCESS FOR THE PREPARATION OF 2-AMINO- 1-NAPHTHALINE SULFONIC ACID |
-
1978
- 1978-07-20 DE DE19782831966 patent/DE2831966A1/en not_active Withdrawn
- 1978-07-24 GB GB787830885A patent/GB2001640B/en not_active Expired
- 1978-07-27 FR FR7822226A patent/FR2398727A1/en active Pending
- 1978-07-29 JP JP9208378A patent/JPS5427553A/en active Pending
Also Published As
Publication number | Publication date |
---|---|
DE2831966A1 (en) | 1979-02-08 |
JPS5427553A (en) | 1979-03-01 |
FR2398727A1 (en) | 1979-02-23 |
GB2001640A (en) | 1979-02-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |