RO83227B1 - PROCEDEU DE OBTINERE A ACIDULUI ACETIL-SALICILIC îN FLUX CONTINUU - Google Patents
PROCEDEU DE OBTINERE A ACIDULUI ACETIL-SALICILIC îN FLUX CONTINUUInfo
- Publication number
- RO83227B1 RO83227B1 RO106311A RO10631182A RO83227B1 RO 83227 B1 RO83227 B1 RO 83227B1 RO 106311 A RO106311 A RO 106311A RO 10631182 A RO10631182 A RO 10631182A RO 83227 B1 RO83227 B1 RO 83227B1
- Authority
- RO
- Romania
- Prior art keywords
- salicylic acid
- acid
- acetic
- continuously preparing
- anhydride
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 3
- 239000002253 acid Substances 0.000 title 1
- YGSDEFSMJLZEOE-UHFFFAOYSA-N salicylic acid Chemical compound OC(=O)C1=CC=CC=C1O YGSDEFSMJLZEOE-UHFFFAOYSA-N 0.000 abstract 6
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 abstract 4
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 abstract 3
- FJKROLUGYXJWQN-UHFFFAOYSA-N papa-hydroxy-benzoic acid Natural products OC(=O)C1=CC=C(O)C=C1 FJKROLUGYXJWQN-UHFFFAOYSA-N 0.000 abstract 3
- 229960004889 salicylic acid Drugs 0.000 abstract 3
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 abstract 2
- 239000003054 catalyst Substances 0.000 abstract 2
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 abstract 2
- 229960000583 acetic acid Drugs 0.000 abstract 1
- WNEFDHCAKLWKAG-UHFFFAOYSA-N acetic acid;2-hydroxybenzoic acid Chemical compound CC(O)=O.OC(=O)C1=CC=CC=C1O WNEFDHCAKLWKAG-UHFFFAOYSA-N 0.000 abstract 1
- 150000008064 anhydrides Chemical class 0.000 abstract 1
- 238000004090 dissolution Methods 0.000 abstract 1
- 238000001914 filtration Methods 0.000 abstract 1
- 239000012362 glacial acetic acid Substances 0.000 abstract 1
- 238000004064 recycling Methods 0.000 abstract 1
Landscapes
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Inventia se refera la un procedeu de obtinere a acidului acetic salicilic din acid salicilic si anhidrida acetica, în mediu de acid acetic glacial ti în prezenta unui catalizator bazic, în care procesul are loc în flux continuu, pe un reactor tubular, la 60....100 degree C si raport molar anhidrida acetica acid saliciclic de 1,05....1,3, cu recircularea solutiilor mume de la filtrarea produsului la dizolvarea acidului salicilic, folosind drept catalizator piridina sau amestecurile de baze piridinice brute din industria coxochimica.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO106311A RO83227B1 (ro) | 1982-01-13 | 1982-01-13 | PROCEDEU DE OBTINERE A ACIDULUI ACETIL-SALICILIC îN FLUX CONTINUU |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO106311A RO83227B1 (ro) | 1982-01-13 | 1982-01-13 | PROCEDEU DE OBTINERE A ACIDULUI ACETIL-SALICILIC îN FLUX CONTINUU |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RO83227A2 RO83227A2 (ro) | 1984-02-21 |
| RO83227B1 true RO83227B1 (ro) | 1984-02-28 |
Family
ID=20110938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RO106311A RO83227B1 (ro) | 1982-01-13 | 1982-01-13 | PROCEDEU DE OBTINERE A ACIDULUI ACETIL-SALICILIC îN FLUX CONTINUU |
Country Status (1)
| Country | Link |
|---|---|
| RO (1) | RO83227B1 (ro) |
-
1982
- 1982-01-13 RO RO106311A patent/RO83227B1/ro unknown
Also Published As
| Publication number | Publication date |
|---|---|
| RO83227A2 (ro) | 1984-02-21 |
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