RU2016152225A - Способ очистки имидазолов - Google Patents
Способ очистки имидазолов Download PDFInfo
- Publication number
- RU2016152225A RU2016152225A RU2016152225A RU2016152225A RU2016152225A RU 2016152225 A RU2016152225 A RU 2016152225A RU 2016152225 A RU2016152225 A RU 2016152225A RU 2016152225 A RU2016152225 A RU 2016152225A RU 2016152225 A RU2016152225 A RU 2016152225A
- Authority
- RU
- Russia
- Prior art keywords
- imidazole
- cleaning
- filtering
- precipitated crystals
- cooling
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D233/00—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings
- C07D233/54—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members
- C07D233/56—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, attached to ring carbon atoms
- C07D233/58—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, attached to ring carbon atoms with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, attached to ring nitrogen atoms
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
- Battery Electrode And Active Subsutance (AREA)
Claims (1)
- Способ очистки имидазолов, заключающийся в перекристаллизации в три стадии путём приготовления пересыщенного раствора, его охлаждения до 3 °C, фильтрации первой порции выпавших кристаллов, частичного упаривания воды, охлаждение до 3 °C, фильтрации второй порции выпавших кристаллов и удаления воды с фильтрацией третьей порции выпавших кристаллов.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU2016152225A RU2665713C2 (ru) | 2016-12-29 | 2016-12-29 | Способ очистки 2-метилимидазола |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU2016152225A RU2665713C2 (ru) | 2016-12-29 | 2016-12-29 | Способ очистки 2-метилимидазола |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| RU2016152225A true RU2016152225A (ru) | 2018-07-02 |
| RU2016152225A3 RU2016152225A3 (ru) | 2018-07-02 |
| RU2665713C2 RU2665713C2 (ru) | 2018-09-04 |
Family
ID=62813850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RU2016152225A RU2665713C2 (ru) | 2016-12-29 | 2016-12-29 | Способ очистки 2-метилимидазола |
Country Status (1)
| Country | Link |
|---|---|
| RU (1) | RU2665713C2 (ru) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2057125C1 (ru) * | 1993-01-28 | 1996-03-27 | Государственное предприятие "Завод им.Я.М.Свердлова" | Способ выделения и очистки 2-метилимидазола |
| RU2054420C1 (ru) * | 1993-06-16 | 1996-02-20 | Институт органической химии им.М.Д.Зелинского РАН | Способ очистки 2-замещенных имидазолов |
| CN104341349B (zh) * | 2014-10-13 | 2016-09-07 | 湖北省宏源药业科技股份有限公司 | 一种低含量2-甲基咪唑的精制方法 |
-
2016
- 2016-12-29 RU RU2016152225A patent/RU2665713C2/ru active
Also Published As
| Publication number | Publication date |
|---|---|
| RU2665713C2 (ru) | 2018-09-04 |
| RU2016152225A3 (ru) | 2018-07-02 |
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