SU449909A1 - The method of obtaining 3-allylpyrazoline - Google Patents
The method of obtaining 3-allylpyrazolineInfo
- Publication number
- SU449909A1 SU449909A1 SU1870439A SU1870439A SU449909A1 SU 449909 A1 SU449909 A1 SU 449909A1 SU 1870439 A SU1870439 A SU 1870439A SU 1870439 A SU1870439 A SU 1870439A SU 449909 A1 SU449909 A1 SU 449909A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- allylpyrazoline
- obtaining
- hydrazine hydrate
- divinylacetylene
- solvent
- Prior art date
Links
Landscapes
- Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
Description
Изобретение относитс к способу получени нового соединени 3-аллилпиразолина формулыf- {c г-ft c гThe invention relates to a process for the preparation of a novel 3-allylpyrazoline compound of the formula f- {c g-ft c g
представл ющего собой мономерное соединение, которое способно легко вступать в реакции полимеризации и сополимеризации .constituting a monomeric compound that is able to easily enter into polymerization and copolymerization reactions.
Способ основан на известной в органической химии реакции винилацнтилена с гидразингидратом .The method is based on the reaction of vinyl acetate with hydrazine hydrate, which is known in organic chemistry.
Предлагаемый способ заключаетс в том, что дивинилацетилен подвергают взаимодействию с гидразингидратом при нагревании в среде . растворител , и выдел ют целевой продрт обычным способом.The proposed method consists in that divinylacetylene is reacted with hydrazine hydrate when heated in a medium. solvent, and the target product is recovered in the usual manner.
Предлагаемый способ позвал ет утилизировать сырой дивинилацетилен в смеси с абсорбентами (ксилол, хлорбензол, бензол, толуол), который выдел ют из кубовых остатков (лаковой смеси) производства винилацетилена .The proposed method allows to dispose of the raw divinylacetylene in a mixture with absorbents (xylene, chlorobenzene, benzene, toluene), which is recovered from the bottoms (lacquer mixture) of the production of vinyl acetylene.
Пример. Получение 3-аллилпиразолина.Example. Getting 3-allylpyrazoline.
В колбу с обратным холодильником помещают 14 г 60%-ного раствора дйвинилацетилена в абсорбенте-ксилоле, г гидразингидрата и 25 мл этилового спирта. Реакционную смесь нагревают при температуре кипени (80-90 С) в течение 40 час. Из реакционной смеси растворитель и непрореагировавшие вещества удал ют перегонкой в небольDIOM вакууме (30-40 мм рт.бт.), а14 g of a 60% aqueous solution of dichenyl acetylene in absorbent xylene, g of hydrazine hydrate and 25 ml of ethyl alcohol are placed in a flask with reflux condenser. The reaction mixture is heated at boiling point (80-90 ° C) for 40 hours. From the reaction mixture, the solvent and unreacted substances are removed by distillation in a slight DIOM vacuum (30–40 mm Hg), and
остаток перегон ют В ва ууме маол нсГго или водоструйного насоса . Подучают 8,4 г целевого продукта в виде бесцветной жидкости о 1.йип.78-79 С пш 6 мм,the residue is distilled in a vacuum pump or water jet pump. 8.4 g of the desired product is obtained in the form of a colorless liquid, about 1.yip. 78–79 With a pn of 6 mm,
,° 1,5090, с( 0,9565. На1дёно,:М 25,00, 25,12; МВ, ° 1.5090, s (0.9565. Nadeno,: M 25.00, 25.12; MW
Cg6jQli2. Вычислено,; 1 25,42,Cg6jQli2. Calculated; 1 25.42,
,52.52
ТЬакрат полученного 3-аллилпиразолина плавитс при 85-86 С (из этилового спирта). Найжено J: .Q:t6Bi ,The thacrate of the obtained 3-allylpyrazoline is melted at 85-86 ° C (from ethyl alcohol). Nijeno J: .Q: t6Bi,
чCjgHjg 507 . Вычислено,%: 20,63. ПРЕДМЕТ ИЗОБРЕТЕНИЯhCjgHjg 507. Calculated,%: 20.63. SUBJECT OF INVENTION
Способ получени З-аллилшразолина формулы; CHz-cW zThe method of obtaining Z-allylshrazoline formula; CHz-cW z
Ч H
о т л и ч а ю щ и 1 о тем, что дивинилацетилен подвергают взаимодействию с гИдразингидратом npia нагревании в среде растворител , и выдел ют целевой продзшг обычным способом.About tl and h and y and 1 about the fact that divinylacetylene is subjected to interaction with the hydrazine hydrate npia heated in the medium of the solvent, and allocate the target product in the usual way.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU1870439A SU449909A1 (en) | 1973-01-08 | 1973-01-08 | The method of obtaining 3-allylpyrazoline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU1870439A SU449909A1 (en) | 1973-01-08 | 1973-01-08 | The method of obtaining 3-allylpyrazoline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU449909A1 true SU449909A1 (en) | 1974-11-15 |
Family
ID=20538816
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU1870439A SU449909A1 (en) | 1973-01-08 | 1973-01-08 | The method of obtaining 3-allylpyrazoline |
Country Status (1)
| Country | Link |
|---|---|
| SU (1) | SU449909A1 (en) |
-
1973
- 1973-01-08 SU SU1870439A patent/SU449909A1/en active
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