SU451701A1 - The method of obtaining -sulfolanil-3-formamide - Google Patents
The method of obtaining -sulfolanil-3-formamideInfo
- Publication number
- SU451701A1 SU451701A1 SU1888820A SU1888820A SU451701A1 SU 451701 A1 SU451701 A1 SU 451701A1 SU 1888820 A SU1888820 A SU 1888820A SU 1888820 A SU1888820 A SU 1888820A SU 451701 A1 SU451701 A1 SU 451701A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- formamide
- sulfolanil
- obtaining
- ethyl formate
- aminosulfolane
- Prior art date
Links
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Description
(54) СПОСОБ ПОЛУЧЕНИЯ N -СУЛЬФОЛАНИЛ-3-ФОРМАМИ д(54) METHOD OF OBTAINING N-SULFOLANE-3-FORMS D
1one
Изобретение относитс к способу получени не описанного в литературе N -сульфоланил-З-формамида: j|The invention relates to a method for producing N-sulfolanil-3-formamide not described in literature: j |
ONH-C-H SONH-C-H S
Предлагаемый способ, основанный наThe proposed method based on
известной реакции взаимодействи соответствующих аминов с этилформиатом, позво- л ет получить соединение, которое может найти применение в качестве водорастворимого вьфавнивател цвета в процессах крашени тканей и меха, см гчител дл бумаги и полупродукта дл синтеза биологически активных препаратов.The known reaction of the interaction of the corresponding amines with ethyl formate allows one to obtain a compound that can be used as a water soluble color in the process of dyeing fabrics and fur, as well as paper and intermediate for the synthesis of biologically active preparations.
.По предлагаемому способу N -сульфоланил-3-формамид получают взаимодействием 3-аминосульфолана с этилформиатом в этиловом спирте при кип чении.According to the proposed method, N -sulfolanil-3-formamide is obtained by reacting 3-aminosulfolane with ethyl formate in ethyl alcohol at boiling.
Выход целевого продукта 8О%.The yield of the target product 8O%.
Пример. Смесь 265 г (2 моль) 3- чмнносульфолана, ЗОО мл этилформиата и 50О мл этанола кип т т в колбе с обратным холодильником ЗО час.Example. A mixture of 265 g (2 mol) of 3-chmnosulfolane, 3OO ml of ethyl formate and 50 O ml of ethanol is boiled in a flask with reflux condenser for an hour.
При охлаждении вьшадает 250 р (80%) N -сульфоланил-3-формамида, т. пл. Upon cooling, 250 p (80%) of N -sulfolanil-3-formamide, m.p.
74-78 С. После перекристаллизации «з74-78 C. After recrystallization
ацетона продукт плавитс при 79-81 С. Найдено, % : С 36,6: И 5,6; N 9,0; Sl9,4. .acetone product melts at 79-81 ° C. Found:%: 36.6: And 5.6; N 9.0; Sl9,4. .
Вычислено, % : С 36,8; Н 5,5; N8,6; §19,6.Calculated,%: C 36.8; H 5.5; N8.6; §19,6.
ИК - спектр, см |1)уц 1549,3280; Uco 1660; 1),1300.IR spectrum, cm | 1) ace 1549,3280; Uco 1660; 1), 1300.
Предмет изобретени Subject invention
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU1888820A SU451701A1 (en) | 1973-03-01 | 1973-03-01 | The method of obtaining -sulfolanil-3-formamide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU1888820A SU451701A1 (en) | 1973-03-01 | 1973-03-01 | The method of obtaining -sulfolanil-3-formamide |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU451701A1 true SU451701A1 (en) | 1974-11-30 |
Family
ID=20544116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU1888820A SU451701A1 (en) | 1973-03-01 | 1973-03-01 | The method of obtaining -sulfolanil-3-formamide |
Country Status (1)
| Country | Link |
|---|---|
| SU (1) | SU451701A1 (en) |
-
1973
- 1973-03-01 SU SU1888820A patent/SU451701A1/en active
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