ES2005425A6 - Procedimiento de preparacion de la sal de dietlamina del acido 2,5-dihidroxibencenosulfonico. - Google Patents
Procedimiento de preparacion de la sal de dietlamina del acido 2,5-dihidroxibencenosulfonico.Info
- Publication number
- ES2005425A6 ES2005425A6 ES8703094A ES8703094A ES2005425A6 ES 2005425 A6 ES2005425 A6 ES 2005425A6 ES 8703094 A ES8703094 A ES 8703094A ES 8703094 A ES8703094 A ES 8703094A ES 2005425 A6 ES2005425 A6 ES 2005425A6
- Authority
- ES
- Spain
- Prior art keywords
- sulphonic acid
- ethylamine salt
- hydroxybenzene
- acid prepn
- prepn
- 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
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
PROCEDIMIENTO DE PREPARACION DE LA SAL DE DIETILAMINA DEL ACIDO 2,5-DIHIDROXIBENCENOSULFONICO, QUE CONSISTE EN HACER REACCIONAR LA HIDROQUINONA CON UN AGENTE SULFONANTE EN EL SENO DE UN DISOLVENTE CLORADO PARA OBTENER EL ACIDO 2,5-DIHIDROXIBENCENOSULFONICO, Y LUEGO SE HACE REACCIONAR ESTE ULTIMO, AISLADO EN FORMA DE SOLUCION ACUOSA, CON DIETILAMINA.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES8703094A ES2005425A6 (es) | 1987-10-30 | 1987-10-30 | Procedimiento de preparacion de la sal de dietlamina del acido 2,5-dihidroxibencenosulfonico. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES8703094A ES2005425A6 (es) | 1987-10-30 | 1987-10-30 | Procedimiento de preparacion de la sal de dietlamina del acido 2,5-dihidroxibencenosulfonico. |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2005425A6 true ES2005425A6 (es) | 1989-03-01 |
Family
ID=8253068
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES8703094A Expired ES2005425A6 (es) | 1987-10-30 | 1987-10-30 | Procedimiento de preparacion de la sal de dietlamina del acido 2,5-dihidroxibencenosulfonico. |
Country Status (1)
Country | Link |
---|---|
ES (1) | ES2005425A6 (es) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109467522A (zh) * | 2018-11-27 | 2019-03-15 | 成都平和安康医药科技有限公司 | 一种生产高纯度酚磺乙胺的方法 |
CN110642756A (zh) * | 2019-10-18 | 2020-01-03 | 海南顿斯医药科技有限公司 | 一种1/20水酚磺乙胺化合物 |
-
1987
- 1987-10-30 ES ES8703094A patent/ES2005425A6/es not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109467522A (zh) * | 2018-11-27 | 2019-03-15 | 成都平和安康医药科技有限公司 | 一种生产高纯度酚磺乙胺的方法 |
CN109467522B (zh) * | 2018-11-27 | 2021-01-22 | 成都平和安康医药科技有限公司 | 一种生产高纯度酚磺乙胺的方法 |
CN110642756A (zh) * | 2019-10-18 | 2020-01-03 | 海南顿斯医药科技有限公司 | 一种1/20水酚磺乙胺化合物 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
SA6 | Expiration date (snapshot 920101) |
Free format text: 2007-10-30 |
|
PC1A | Transfer granted |
Owner name: ESTEVE QUIMICA, S.A. |
|
FD1A | Patent lapsed |
Effective date: 20061031 |