IT1170816B - PROCEDURE FOR THE PRODUCTION OF A SINGLE-ALKALINE SALT OF 1-AMINO-8-NAFTOL-3,6-DYSPHONIC ACID - Google Patents
PROCEDURE FOR THE PRODUCTION OF A SINGLE-ALKALINE SALT OF 1-AMINO-8-NAFTOL-3,6-DYSPHONIC ACIDInfo
- Publication number
- IT1170816B IT1170816B IT48043/81A IT4804381A IT1170816B IT 1170816 B IT1170816 B IT 1170816B IT 48043/81 A IT48043/81 A IT 48043/81A IT 4804381 A IT4804381 A IT 4804381A IT 1170816 B IT1170816 B IT 1170816B
- Authority
- IT
- Italy
- Prior art keywords
- dysphonic
- naftol
- amino
- procedure
- acid
- Prior art date
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 |
|---|---|
| IT8148043A0 IT8148043A0 (en) | 1981-03-17 |
| IT1170816B true IT1170816B (en) | 1987-06-03 |
Family
ID=12440802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT48043/81A IT1170816B (en) | 1980-03-18 | 1981-03-17 | PROCEDURE FOR THE PRODUCTION OF A SINGLE-ALKALINE SALT OF 1-AMINO-8-NAFTOL-3,6-DYSPHONIC ACID |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS56131559A (en) |
| DE (1) | DE3110032C2 (en) |
| GB (1) | GB2073746B (en) |
| IN (1) | IN153740B (en) |
| IT (1) | IT1170816B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103739524B (en) * | 2014-01-10 | 2015-11-04 | 江苏明盛化工有限公司 | A kind of preparation method of H acid monosodium salt |
| CN104910052B (en) * | 2015-07-07 | 2017-01-11 | 金华知产婺源信息技术有限公司 | System for preparing 2-amidogen-1-naphthalene sulfonic acid |
| CN106748901B (en) * | 2015-11-25 | 2018-11-06 | 江苏扬农化工集团有限公司 | A kind of alkali fusion and aftertreatment technology of H acid |
| CN108003071A (en) * | 2017-12-04 | 2018-05-08 | 大柴旦乐青科技化学有限公司 | A kind of H acid high pressure alkali fusion technique |
-
1980
- 1980-03-18 JP JP3539880A patent/JPS56131559A/en 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/en not_active Expired - Fee Related
- 1981-03-17 IT IT48043/81A patent/IT1170816B/en active
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6232744B2 (en) | 1987-07-16 |
| GB2073746A (en) | 1981-10-21 |
| JPS56131559A (en) | 1981-10-15 |
| IN153740B (en) | 1984-08-18 |
| DE3110032A1 (en) | 1982-01-07 |
| GB2073746B (en) | 1984-01-18 |
| DE3110032C2 (en) | 1994-03-24 |
| IT8148043A0 (en) | 1981-03-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19950228 |