RO103274A2 - Recovery method of erythromycin from mother-waters - Google Patents
Recovery method of erythromycin from mother-watersInfo
- Publication number
- RO103274A2 RO103274A2 RO13711288A RO13711288A RO103274A2 RO 103274 A2 RO103274 A2 RO 103274A2 RO 13711288 A RO13711288 A RO 13711288A RO 13711288 A RO13711288 A RO 13711288A RO 103274 A2 RO103274 A2 RO 103274A2
- Authority
- RO
- Romania
- Prior art keywords
- erythromycin
- waters
- mother
- recovery method
- thiocyanate
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 2
- ULGZDMOVFRHVEP-RWJQBGPGSA-N Erythromycin Chemical compound O([C@@H]1[C@@H](C)C(=O)O[C@@H]([C@@]([C@H](O)[C@@H](C)C(=O)[C@H](C)C[C@@](C)(O)[C@H](O[C@H]2[C@@H]([C@H](C[C@@H](C)O2)N(C)C)O)[C@H]1C)(C)O)CC)[C@H]1C[C@@](C)(OC)[C@@H](O)[C@H](C)O1 ULGZDMOVFRHVEP-RWJQBGPGSA-N 0.000 title 2
- 229960003276 erythromycin Drugs 0.000 title 1
- 238000011084 recovery Methods 0.000 title 1
- 239000003643 water by type Substances 0.000 title 1
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 abstract 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 abstract 2
- ZMZDMBWJUHKJPS-UHFFFAOYSA-M Thiocyanate anion Chemical compound [S-]C#N ZMZDMBWJUHKJPS-UHFFFAOYSA-M 0.000 abstract 1
- 238000001035 drying Methods 0.000 abstract 1
- ZMZDMBWJUHKJPS-UHFFFAOYSA-N hydrogen thiocyanate Natural products SC#N ZMZDMBWJUHKJPS-UHFFFAOYSA-N 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 230000020477 pH reduction Effects 0.000 abstract 1
- 239000003208 petroleum Substances 0.000 abstract 1
- ZNNZYHKDIALBAK-UHFFFAOYSA-M potassium thiocyanate Chemical compound [K+].[S-]C#N ZNNZYHKDIALBAK-UHFFFAOYSA-M 0.000 abstract 1
- 229940116357 potassium thiocyanate Drugs 0.000 abstract 1
- 238000005406 washing Methods 0.000 abstract 1
Landscapes
- Saccharide Compounds (AREA)
Abstract
The process comprises treatment with a soln. of potassium thiocyanate for acidification of the mixture to pH = 5.4-5.5 by hydrochloric acid (1:1). The thiocyanate is separated, for washing with petroleum ether and drying over 3 hrs. at 40-45 deg.C and low pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO13711288A RO103274A2 (en) | 1988-12-28 | 1988-12-28 | Recovery method of erythromycin from mother-waters |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO13711288A RO103274A2 (en) | 1988-12-28 | 1988-12-28 | Recovery method of erythromycin from mother-waters |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| RO103274A2 true RO103274A2 (en) | 1991-12-09 |
Family
ID=20123423
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RO13711288A RO103274A2 (en) | 1988-12-28 | 1988-12-28 | Recovery method of erythromycin from mother-waters |
Country Status (1)
| Country | Link |
|---|---|
| RO (1) | RO103274A2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2341056A4 (en) * | 2008-10-29 | 2012-03-14 | Sunshine Lake Pharma Co Ltd | METHOD FOR CRYSTALLIZING ERYTHROMYCIN |
| CN112978993A (en) * | 2021-02-25 | 2021-06-18 | 宜昌东阳光生化制药有限公司 | Method for recovering thiocyanate ions from rectification waste liquid of erythromycin thiocyanate crystallization mother liquor and application |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RO67207A2 (en) * | 1974-05-16 | 1979-01-15 | Paruri Intreprinderea De | MACHINE TO AFFECT MILL TOOLS |
-
1988
- 1988-12-28 RO RO13711288A patent/RO103274A2/en unknown
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RO67207A2 (en) * | 1974-05-16 | 1979-01-15 | Paruri Intreprinderea De | MACHINE TO AFFECT MILL TOOLS |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2341056A4 (en) * | 2008-10-29 | 2012-03-14 | Sunshine Lake Pharma Co Ltd | METHOD FOR CRYSTALLIZING ERYTHROMYCIN |
| CN112978993A (en) * | 2021-02-25 | 2021-06-18 | 宜昌东阳光生化制药有限公司 | Method for recovering thiocyanate ions from rectification waste liquid of erythromycin thiocyanate crystallization mother liquor and application |
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