RO81952B1 - Procedeu pentru purificarea clorhidratului de oxitetraciclina - Google Patents
Procedeu pentru purificarea clorhidratului de oxitetraciclinaInfo
- Publication number
- RO81952B1 RO81952B1 RO104347A RO10434781A RO81952B1 RO 81952 B1 RO81952 B1 RO 81952B1 RO 104347 A RO104347 A RO 104347A RO 10434781 A RO10434781 A RO 10434781A RO 81952 B1 RO81952 B1 RO 81952B1
- Authority
- RO
- Romania
- Prior art keywords
- purification
- oxytetracycline hydrochloride
- hygroscopic
- butanol
- precipitation
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 3
- 229960004368 oxytetracycline hydrochloride Drugs 0.000 title abstract 2
- 238000000746 purification Methods 0.000 title abstract 2
- MWKJTNBSKNUMFN-UHFFFAOYSA-N trifluoromethyltrimethylsilane Chemical compound C[Si](C)(C)C(F)(F)F MWKJTNBSKNUMFN-UHFFFAOYSA-N 0.000 title abstract 2
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 abstract 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 abstract 2
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 abstract 2
- 238000001556 precipitation Methods 0.000 abstract 1
- 238000003756 stirring Methods 0.000 abstract 1
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Inventia se refera la un procedeu de purificare a clorhidratului de oxitetraciclina, car consta în aceea ca produsul hidroscopic obtinut în urma precipitarii în metanol se suspenda în n-butanol, încalzit în prealabil, la 35...38 degree C, în proportie volumetrica de 1:4 la care se adauga 1% acid clorhidric p.s., se mentine temperatura la circa 38 degree C, timp de 1h, sub agitare, se raceste la 25...26 degree C si se separa prin metode cunoscute produsul total nehigroscopic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO104347A RO81952B1 (ro) | 1981-05-20 | 1981-05-20 | Procedeu pentru purificarea clorhidratului de oxitetraciclina |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO104347A RO81952B1 (ro) | 1981-05-20 | 1981-05-20 | Procedeu pentru purificarea clorhidratului de oxitetraciclina |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| RO81952B1 true RO81952B1 (ro) | 1983-06-30 |
Family
ID=40903223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RO104347A RO81952B1 (ro) | 1981-05-20 | 1981-05-20 | Procedeu pentru purificarea clorhidratului de oxitetraciclina |
Country Status (1)
| Country | Link |
|---|---|
| RO (1) | RO81952B1 (ro) |
-
1981
- 1981-05-20 RO RO104347A patent/RO81952B1/ro unknown
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