RU2014119622A - METHOD FOR CLEANING BETULIN - Google Patents

METHOD FOR CLEANING BETULIN Download PDF

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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
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RU
Russia
Prior art keywords
alcohol
betulin
containing solvent
water
aqueous
Prior art date
Application number
RU2014119622/04A
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Russian (ru)
Inventor
Евгений Леонидович Мальчиков
Original Assignee
Евгений Леонидович Мальчиков
Мальчикова Елена Евгеньевна
Телепов Иван Васильевич
Телепова Маргарита Александровна
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Application filed by Евгений Леонидович Мальчиков, Мальчикова Елена Евгеньевна, Телепов Иван Васильевич, Телепова Маргарита Александровна filed Critical Евгений Леонидович Мальчиков
Priority to RU2014119622/04A priority Critical patent/RU2014119622A/en
Publication of RU2014119622A publication Critical patent/RU2014119622A/en

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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)

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.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. Способ по п. 1, в котором в качестве спиртсодержащего растворителя используют нормальный бутанол или изобутанол. 2. The method according to claim 1, in which normal butanol or isobutanol is used as the alcohol-containing solvent.
RU2014119622/04A 2014-05-15 2014-05-15 METHOD FOR CLEANING BETULIN RU2014119622A (en)

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

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Family Applications (1)

Application Number Title Priority Date Filing Date
RU2014119622/04A RU2014119622A (en) 2014-05-15 2014-05-15 METHOD FOR CLEANING BETULIN

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RU (1) RU2014119622A (en)

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