RU2014119622A - METHOD FOR CLEANING BETULIN - Google Patents
METHOD FOR CLEANING BETULIN Download PDFInfo
- Publication number
- RU2014119622A RU2014119622A RU2014119622/04A RU2014119622A RU2014119622A RU 2014119622 A RU2014119622 A RU 2014119622A RU 2014119622/04 A RU2014119622/04 A RU 2014119622/04A RU 2014119622 A RU2014119622 A RU 2014119622A RU 2014119622 A RU2014119622 A RU 2014119622A
- Authority
- RU
- Russia
- Prior art keywords
- alcohol
- betulin
- containing solvent
- water
- aqueous
- Prior art date
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- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
1. Способ очистки бетулина, заключающийся в том, что в качестве исходного сырья берут готовый экстракт бетулина, содержащий не менее 70% основного продукта, растворяют его в спиртосодержащем растворителе, затем обрабатывают водно-спиртовым раствором щелочи, получившиеся водно-спиртовой и спирто-водный слои разделяют и из спирто-водного раствора кристаллизацией получают очищенный бетулин.2. Способ по п. 1, в котором в качестве спиртсодержащего растворителя используют нормальный бутанол или изобутанол.1. The method of purification of betulin, which consists in the fact that as the starting material they take a ready-made extract of betulin containing at least 70% of the main product, dissolve it in an alcohol-containing solvent, then treat with an aqueous-alcoholic alkali solution, the resulting water-alcohol and alcohol-water the layers are separated, and purified betulin is obtained by crystallization from an alcohol-aqueous solution. 2. The method of claim 1, wherein normal butanol or isobutanol is used as the alcohol-containing solvent.
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2014119622/04A RU2014119622A (en) | 2014-05-15 | 2014-05-15 | METHOD FOR CLEANING BETULIN |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2014119622/04A RU2014119622A (en) | 2014-05-15 | 2014-05-15 | METHOD FOR CLEANING BETULIN |
Publications (1)
Publication Number | Publication Date |
---|---|
RU2014119622A true RU2014119622A (en) | 2015-12-27 |
Family
ID=55023154
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
RU2014119622/04A RU2014119622A (en) | 2014-05-15 | 2014-05-15 | METHOD FOR CLEANING BETULIN |
Country Status (1)
Country | Link |
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RU (1) | RU2014119622A (en) |
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2014
- 2014-05-15 RU RU2014119622/04A patent/RU2014119622A/en unknown
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