MD142C2 - Способ получения сложного этилового эфира аповинкаминовой кислоты - Google Patents
Способ получения сложного этилового эфира аповинкаминовой кислотыInfo
- Publication number
- MD142C2 MD142C2 MD94-0159A MD940159A MD142C2 MD 142 C2 MD142 C2 MD 142C2 MD 940159 A MD940159 A MD 940159A MD 142 C2 MD142 C2 MD 142C2
- Authority
- MD
- Moldova
- Prior art keywords
- apovincaminic
- ethyl ester
- ester preparation
- etherification
- acetonitryl
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 3
- 125000004494 ethyl ester group Chemical group 0.000 title abstract 2
- VHYFNPMBLIVWCW-UHFFFAOYSA-N 4-Dimethylaminopyridine Chemical compound CN(C)C1=CC=NC=C1 VHYFNPMBLIVWCW-UHFFFAOYSA-N 0.000 abstract 2
- 238000006266 etherification reaction Methods 0.000 abstract 2
- XPARNGAWWCCOIM-UHFFFAOYSA-N 2-fluoro-1,3,5-trinitrobenzene Chemical compound [O-][N+](=O)C1=CC([N+]([O-])=O)=C(F)C([N+]([O-])=O)=C1 XPARNGAWWCCOIM-UHFFFAOYSA-N 0.000 abstract 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 abstract 1
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- 150000002391 heterocyclic compounds Chemical class 0.000 abstract 1
Landscapes
- Nitrogen Condensed Heterocyclic Rings (AREA)
Abstract
Сложный этиловый эфир аповинкалиновой кислоты получают путём этерификации аповинкалиновой кислоты этиловым спиртом в среде ацетонитрила и процесс проводят в присутствии 2 - фтор - 1,3,5 - тринитробензола и 4 - диметиламинопиридина в качестве агента этерефикации при комнатной температуре в течение 3 - 5 часов.Цель изобретения - повышение выхода целевого продукта и упрощение процесса.Изобретение относится к гетероциклическим соединениям.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES549105A ES8604956A1 (es) | 1985-11-20 | 1985-11-20 | Procedimiento de obtencion del ester etilico del acido apo- vincaminico |
| SU864028528A SU1435153A3 (ru) | 1985-11-20 | 1986-11-19 | Способ получени сложного этилового эфира аповинкаминовой кислоты |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| MD142B1 MD142B1 (ro) | 1995-01-30 |
| MD142C2 true MD142C2 (ru) | 1995-07-31 |
Family
ID=26156125
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MD94-0159A MD142C2 (ru) | 1985-11-20 | 1994-02-14 | Способ получения сложного этилового эфира аповинкаминовой кислоты |
Country Status (3)
| Country | Link |
|---|---|
| LT (1) | LT2245B (ru) |
| LV (1) | LV5257A3 (ru) |
| MD (1) | MD142C2 (ru) |
-
1993
- 1993-06-22 LV LV930644A patent/LV5257A3/xx unknown
- 1993-08-30 LT LTRP908A patent/LT2245B/xx not_active IP Right Cessation
-
1994
- 1994-02-14 MD MD94-0159A patent/MD142C2/ru active IP Right Grant
Non-Patent Citations (2)
| Title |
|---|
| Brevet nr. 2253750, DE, Int. cl. C 07 D 471/22, 1978- * |
| Brevet nr. 2265138, DE, Int. cl. C 07 471/22, 1977; * |
Also Published As
| Publication number | Publication date |
|---|---|
| LT2245B (lt) | 1993-11-15 |
| LV5257A3 (lv) | 1993-10-10 |
| MD142B1 (ro) | 1995-01-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FG4A | Patent for invention issued | ||
| IF99 | Valid patent on 19990615 |
Free format text: EXPIRES: 20061118 |