JPS5427549A - Production of 22aminoo11 naphthalenesulphonic acid - Google Patents
Production of 22aminoo11 naphthalenesulphonic acidInfo
- Publication number
- JPS5427549A JPS5427549A JP9101678A JP9101678A JPS5427549A JP S5427549 A JPS5427549 A JP S5427549A JP 9101678 A JP9101678 A JP 9101678A JP 9101678 A JP9101678 A JP 9101678A JP S5427549 A JPS5427549 A JP S5427549A
- Authority
- JP
- Japan
- Prior art keywords
- 22aminoo11
- production
- naphthalenesulphonic acid
- naphthalenesulphonic
- 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.)
- Pending
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
- C07C303/42—Separation; Purification; Stabilisation; Use of additives
- C07C303/44—Separation; Purification
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US82026277A | 1977-07-29 | 1977-07-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5427549A true JPS5427549A (en) | 1979-03-01 |
Family
ID=25230323
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9101678A Pending JPS5427549A (en) | 1977-07-29 | 1978-07-27 | Production of 22aminoo11 naphthalenesulphonic acid |
Country Status (4)
Country | Link |
---|---|
JP (1) | JPS5427549A (en) |
DE (1) | DE2831993A1 (en) |
FR (1) | FR2398726A1 (en) |
GB (1) | GB2001645B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61179830U (en) * | 1985-04-26 | 1986-11-10 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
DE3070185D1 (en) * | 1979-12-20 | 1985-03-28 | Ciba Geigy Ag | Process for the preparation of 2-amino-1-naphthalene sulfonic acid |
EP0218005B1 (en) * | 1985-10-09 | 1988-11-23 | Hoechst Aktiengesellschaft | Single pot process for the production of 2-acetamidonaphthalene-6-sulphonic acid with a high purity |
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 |
GB436464A (en) * | 1933-04-11 | 1935-10-11 | Du Pont | Improvements in or relating to the manufacture of naphthylaminesulphonic acids |
CA1051023A (en) * | 1975-03-14 | 1979-03-20 | Henry X. Kaempfen | Method for tobias acid manufacture |
DE2831965A1 (en) * | 1977-07-29 | 1979-02-08 | American Cyanamid Co | PROCESS FOR THE PREPARATION OF 2-AMINO- 1-NAPHTHALINE SULFONIC ACID |
DE2831992A1 (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 |
DE2831966A1 (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 DE19782831993 patent/DE2831993A1/en not_active Withdrawn
- 1978-07-24 GB GB787830890A patent/GB2001645B/en not_active Expired
- 1978-07-27 JP JP9101678A patent/JPS5427549A/en active Pending
- 1978-07-27 FR FR7822224A patent/FR2398726A1/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61179830U (en) * | 1985-04-26 | 1986-11-10 | ||
JPH0352037Y2 (en) * | 1985-04-26 | 1991-11-11 |
Also Published As
Publication number | Publication date |
---|---|
DE2831993A1 (en) | 1979-02-08 |
GB2001645B (en) | 1982-02-03 |
FR2398726A1 (en) | 1979-02-23 |
GB2001645A (en) | 1979-02-07 |
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