GB2073746B - Process for producing mono alkali salt of 1-amino-8-naphthol-3,6-disulphonic acid - Google Patents
Process for producing mono alkali salt of 1-amino-8-naphthol-3,6-disulphonic acidInfo
- Publication number
- GB2073746B GB2073746B GB8107968A GB8107968A GB2073746B GB 2073746 B GB2073746 B GB 2073746B GB 8107968 A GB8107968 A GB 8107968A GB 8107968 A GB8107968 A GB 8107968A GB 2073746 B GB2073746 B GB 2073746B
- Authority
- GB
- United Kingdom
- Prior art keywords
- naphthol
- amino
- alkali salt
- disulphonic acid
- producing mono
- 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
- C07C1/00—Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C301/00—Esters of sulfurous acid
-
- 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
- C07C303/32—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
- 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
- C07C309/45—Sulfonic acids having sulfo groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton containing nitrogen atoms, not being part of nitro or nitroso groups, bound to the carbon skeleton
- C07C309/49—Sulfonic acids having sulfo groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton containing nitrogen atoms, not being part of nitro or nitroso groups, bound to the carbon skeleton the carbon skeleton being further substituted by singly-bound oxygen atoms
- C07C309/50—Sulfonic acids having sulfo groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton containing nitrogen atoms, not being part of nitro or nitroso groups, bound to the carbon skeleton the carbon skeleton being further substituted by singly-bound oxygen atoms having at least one of the sulfo groups bound to a carbon atom of a six-membered aromatic ring being part of a condensed ring system
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
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 |
|---|---|---|---|
| JP3539880A JPS56131559A (en) | 1980-03-18 | 1980-03-18 | Preparation of 1-amino-8-naphthol-3,6-disulfonic acid mono-alkali metal salt |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| GB2073746A GB2073746A (en) | 1981-10-21 |
| GB2073746B true GB2073746B (en) | 1984-01-18 |
Family
ID=12440802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB8107968A Expired GB2073746B (en) | 1980-03-18 | 1981-03-13 | Process for producing mono alkali salt of 1-amino-8-naphthol-3,6-disulphonic acid |
Country Status (5)
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103739524B (zh) * | 2014-01-10 | 2015-11-04 | 江苏明盛化工有限公司 | 一种h酸单钠盐的制备方法 |
| CN104910052B (zh) * | 2015-07-07 | 2017-01-11 | 金华知产婺源信息技术有限公司 | 一种制备2-氨基-1-萘磺酸的系统 |
| CN106748901B (zh) * | 2015-11-25 | 2018-11-06 | 江苏扬农化工集团有限公司 | 一种h酸的碱熔及后处理工艺 |
| CN108003071A (zh) * | 2017-12-04 | 2018-05-08 | 大柴旦乐青科技化学有限公司 | 一种h酸高压碱熔工艺 |
-
1980
- 1980-03-18 JP JP3539880A patent/JPS56131559A/ja active Granted
-
1981
- 1981-03-06 IN IN241/CAL/81A patent/IN153740B/en unknown
- 1981-03-13 GB GB8107968A patent/GB2073746B/en not_active Expired
- 1981-03-16 DE DE3110032A patent/DE3110032C2/de not_active Expired - Fee Related
- 1981-03-17 IT IT48043/81A patent/IT1170816B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| JPS56131559A (en) | 1981-10-15 |
| IT8148043A0 (it) | 1981-03-17 |
| GB2073746A (en) | 1981-10-21 |
| DE3110032C2 (de) | 1994-03-24 |
| DE3110032A1 (de) | 1982-01-07 |
| IN153740B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1984-08-18 |
| IT1170816B (it) | 1987-06-03 |
| JPS6232744B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1987-07-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19970313 |