RO79323B1 - Procedeu de obtinere a p-toluensulfonamidei - Google Patents
Procedeu de obtinere a p-toluensulfonamideiInfo
- Publication number
- RO79323B1 RO79323B1 RO100583A RO10058380A RO79323B1 RO 79323 B1 RO79323 B1 RO 79323B1 RO 100583 A RO100583 A RO 100583A RO 10058380 A RO10058380 A RO 10058380A RO 79323 B1 RO79323 B1 RO 79323B1
- Authority
- RO
- Romania
- Prior art keywords
- ammonia
- solution
- toluensulfonamide
- preparing
- aqueous
- Prior art date
Links
- LMYRWZFENFIFIT-UHFFFAOYSA-N toluene-4-sulfonamide Chemical compound CC1=CC=C(S(N)(=O)=O)C=C1 LMYRWZFENFIFIT-UHFFFAOYSA-N 0.000 title abstract 2
- 238000004519 manufacturing process Methods 0.000 title 1
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 abstract 3
- YYROPELSRYBVMQ-UHFFFAOYSA-N 4-toluenesulfonyl chloride Chemical compound CC1=CC=C(S(Cl)(=O)=O)C=C1 YYROPELSRYBVMQ-UHFFFAOYSA-N 0.000 abstract 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 abstract 2
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonium chloride Substances [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 abstract 1
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 abstract 1
- 239000012670 alkaline solution Substances 0.000 abstract 1
- 229910021529 ammonia Inorganic materials 0.000 abstract 1
- 235000011114 ammonium hydroxide Nutrition 0.000 abstract 1
- 239000012736 aqueous medium Substances 0.000 abstract 1
- 239000007795 chemical reaction product Substances 0.000 abstract 1
- 230000020477 pH reduction Effects 0.000 abstract 1
- 238000000746 purification Methods 0.000 abstract 1
- 239000000376 reactant Substances 0.000 abstract 1
- 239000000243 solution Substances 0.000 abstract 1
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Se obtine p-toluensulfonamida din p-toluensulfoclorura si amoniac în mediu apos, prin tratarea unei solutii de amoniac cu concentratia de 12...14% cu p-toluen-sulfoclorura reactantii fiind luati în raport în greutate de circa 1: 3,5...4,1 la temperatura de 45...50 degree C, apoi produsul de reactie este dizolvat în solutie apoasa de 10% NaOH în vederea purificarii, iar din solutia alcalina este izolat prin acidulare cu acid clorhidric la pH=6...7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO80100583A RO79323A2 (ro) | 1980-02-22 | 1980-02-22 | Procedeu de obtinere a p-toluensulfonamidei |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO80100583A RO79323A2 (ro) | 1980-02-22 | 1980-02-22 | Procedeu de obtinere a p-toluensulfonamidei |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RO79323B1 true RO79323B1 (ro) | 1983-06-30 |
| RO79323A2 RO79323A2 (ro) | 1983-07-07 |
Family
ID=20108251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RO80100583A RO79323A2 (ro) | 1980-02-22 | 1980-02-22 | Procedeu de obtinere a p-toluensulfonamidei |
Country Status (1)
| Country | Link |
|---|---|
| RO (1) | RO79323A2 (ro) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110028428A (zh) * | 2019-05-13 | 2019-07-19 | 浙江嘉化新材料有限公司 | 一种对甲苯磺酰胺的生产方法 |
-
1980
- 1980-02-22 RO RO80100583A patent/RO79323A2/ro unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110028428A (zh) * | 2019-05-13 | 2019-07-19 | 浙江嘉化新材料有限公司 | 一种对甲苯磺酰胺的生产方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| RO79323A2 (ro) | 1983-07-07 |
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