PL422265A1 - Method for producing chloroquinaldol with increased purity - Google Patents
Method for producing chloroquinaldol with increased purityInfo
- Publication number
- PL422265A1 PL422265A1 PL422265A PL42226517A PL422265A1 PL 422265 A1 PL422265 A1 PL 422265A1 PL 422265 A PL422265 A PL 422265A PL 42226517 A PL42226517 A PL 42226517A PL 422265 A1 PL422265 A1 PL 422265A1
- Authority
- PL
- Poland
- Prior art keywords
- chloroquinaldol
- producing
- increased purity
- neutralized
- purified
- Prior art date
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- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Przedmiotem zgłoszenia jest sposób wytwarzania chlorochinaldolu o podwyższonej czystości. Przedmiotowy sposób charakteryzuje się tym, że chlorowodorek chlorochinaldolu tworzący się w reakcji chlorowania 8-hydroksychinaldyny izoluje się z mieszaniny reakcyjnej, oczyszcza i poddaje neutralizacji do chlorochinaldolu. W drugiej odmianie wynalazku chlorowodorek chlorochinaldolu tworzący się w reakcji chlorowania 7-chloro-8-hydroksychinaldyny izoluje się z mieszaniny reakcyjnej, oczyszcza, i poddaje neutralizacji do chlorochinaldolu. W kolejnej odmianie zgłoszenia sposób wytwarzania chlorochinaldolu o podwyższonej czystości, charakteryzuje się tym, że chlorochinaldol otrzymany w wyniku chlorowania 7-chloro-8-hydroksychinaldyny gazowym chlorem przeprowadza się w sól addycyjną chlorochinaldolu, którą oczyszcza się i poddaje neutralizacji do chlorochinaldolu. W czwartej odmianie wynalazku sposób wytwarzania chlorochinaldolu o podwyższonej czystości, charakteryzuje się tym, że chlorochinaldol otrzymany znanymi sposobami przeprowadza się w sól addycyjną chlorochinaldolu, którą oczyszcza się i poddaje neutralizacji do chlorochinaldolu.The subject of the application is a method for producing chlorochinaldol with increased purity. The subject method is characterized in that chlorochinaldol hydrochloride formed in the chlorination reaction of 8-hydroxyquinidine is isolated from the reaction mixture, purified and neutralized to chloroquindol. In a second embodiment of the invention, chlorochinaldol hydrochloride formed in the chlorination reaction of 7-chloro-8-hydroxychinaldine is isolated from the reaction mixture, purified, and neutralized to chloroquinaldol. In a further variation of the application, the method for producing chloroquinaldol with increased purity is characterized in that chloroquinaldol obtained as a result of chlorination of 7-chloro-8-hydroxychinaldine with chlorine gas is converted into the chloroquinaldol addition salt, which is purified and neutralized to chloroquinaldol. In a fourth embodiment of the invention, the method for producing chloroquinaldol with increased purity is characterized in that the chloroquinaldol obtained by known methods is converted into a chloroquinaldol addition salt, which is purified and neutralized to chloroquinaldol.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL422265A PL422265A1 (en) | 2017-07-18 | 2017-07-18 | Method for producing chloroquinaldol with increased purity |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL422265A PL422265A1 (en) | 2017-07-18 | 2017-07-18 | Method for producing chloroquinaldol with increased purity |
Publications (1)
Publication Number | Publication Date |
---|---|
PL422265A1 true PL422265A1 (en) | 2019-01-28 |
Family
ID=65033982
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PL422265A PL422265A1 (en) | 2017-07-18 | 2017-07-18 | Method for producing chloroquinaldol with increased purity |
Country Status (1)
Country | Link |
---|---|
PL (1) | PL422265A1 (en) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2411670A (en) * | 1946-11-26 | Halogen-b-htdeoxy-qtjinaldines | ||
GB594415A (en) * | 1943-12-31 | 1947-11-11 | Elisabeth Pfanner | Improvements in or relating to process for the preparation of 5,7-dichloro-8-hydroxy-quinaldine |
GB909359A (en) * | 1960-02-24 | 1962-10-31 | E R Squibb & Sons Ltd | Improvements in chlorhydroxyquinoline and the production thereof |
GB1154675A (en) * | 1967-01-11 | 1969-06-11 | Rutgerswerke Und Teerverwertun | Chlorination. |
-
2017
- 2017-07-18 PL PL422265A patent/PL422265A1/en unknown
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2411670A (en) * | 1946-11-26 | Halogen-b-htdeoxy-qtjinaldines | ||
GB594415A (en) * | 1943-12-31 | 1947-11-11 | Elisabeth Pfanner | Improvements in or relating to process for the preparation of 5,7-dichloro-8-hydroxy-quinaldine |
GB909359A (en) * | 1960-02-24 | 1962-10-31 | E R Squibb & Sons Ltd | Improvements in chlorhydroxyquinoline and the production thereof |
GB1154675A (en) * | 1967-01-11 | 1969-06-11 | Rutgerswerke Und Teerverwertun | Chlorination. |
Non-Patent Citations (1)
Title |
---|
LUCIA P. ET AL, SYNTHESIS AND SPECTROSCOPY STUDIES OF BY-PRODUCTS OF CHLOROQUINALDOL, 2016 * |
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PL422265A1 (en) | Method for producing chloroquinaldol with increased purity |