SU509582A1 - Method for producing ethyl ethyl phenyl cyanacetic acid - Google Patents
Method for producing ethyl ethyl phenyl cyanacetic acidInfo
- Publication number
- SU509582A1 SU509582A1 SU2030803A SU2030803A SU509582A1 SU 509582 A1 SU509582 A1 SU 509582A1 SU 2030803 A SU2030803 A SU 2030803A SU 2030803 A SU2030803 A SU 2030803A SU 509582 A1 SU509582 A1 SU 509582A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- ethyl
- phenyl
- producing
- cyanacetic acid
- acid
- Prior art date
Links
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Description
(54) СПОСОБ Па УЧЕНИЯ ЭТИЛОВОГО ЭФИРА . ЭТИЛФЕНИЛиИАНУКСУСНОЙ К11С,10ТЫ(54) METHOD OF PA TEACHING ETHYL ETHER. ETHYLPHENYLIANEACUS K11C, 10TH
ческий процесс ведут по известному способу. Длительность технологического процесса 8 час, в (5;.„91ИДирвва1«е 4 час, расслаивание «|f4«A Mf} i целевсуго продукта 194 г, чт 1СодтвёГс ву; т &1Й 6%|(счита на циани .cTUjCfteifeHJiy:-- --Пример 2. К натриевому производному этилового эфира фенилциаиуксусной кислоты при 20°С добавл ют 200 мл спирта, содержащего 15% бромистого этила, 110 г сухого бромистого этила и 1,5 г хлористого кали .The cic process is carried out in a manner known per se. The duration of the technological process is 8 hours, at (5;. „91IDirvva1“ e 4 hours, delamination “| f4“ A Mf} i of the target product 194 g, wha 1 Sat 6% | - - Example 2. To a sodium derivative of phenyl cyanoacetic acid ethyl ester at 20 ° C is added 200 ml of alcohol containing 15% ethyl bromide, 110 g of dry ethyl bromide and 1.5 g of potassium chloride.
Реакционную массу при работающей мешалке нагревают до 30°С и эту температуру поддерживают 1,5 час. Затем в течение 1 час смесь нагревают до дистилл ции (температу . ра 60-62 0 и поддерживают дистил 1 цию в течение 1,5 час. Далее технологический процесс ведут по известному способу. Выход целевогопродукта 194 г, что соответствует 90,6% (счита на цианистый бензил). Пример 3. Процесс получени этилового эфира этилфенилциануксусной кислоты ведут в услови х примера 1, j но количество добавл емого йодистого кали измен ют в пределах 1-5% от веса бромистого этила. Результаты приведе 1Ы в табл. 1.,When the mixer is running, the reaction mass is heated to 30 ° C and this temperature is maintained for 1.5 hours. Then for 1 hour the mixture is heated to distillation (temperature 60-62 0 and maintain distillation 1 for 1.5 hour. Then the process is carried out according to a known method. The yield of the final product is 194 g, which corresponds to 90.6% ( counting on benzyl cyanide.) Example 3. A process for the preparation of ethyl phenylcyanesulfonic acid ester is carried out under the conditions of Example 1, j but the amount of potassium iodide added varies from 1-5% by weight of ethyl bromide. ,
Таблица 1,Table 1,
Кол-во добавл еКол-во образующегос мого йодистого целевого э4)йраQty added eCol. Of iodine target e4) yra
Пример 4, ilpoiii.ic lic.iVT в услони х примера 2, но х.-10рис:тыи калии )а15л ют н количестве от воса бромистого этила. Результаты приве/кжы в табл. 2.Example 4, ilpoiii.ic lic.iVT in the conditions of example 2, but x.-10ris: potassium) is 15% of the amount of bromide ethyl. The results are shown in table. 2
Т а б л и ц а 2Table 2
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU2030803A SU509582A1 (en) | 1974-06-10 | 1974-06-10 | Method for producing ethyl ethyl phenyl cyanacetic acid |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU2030803A SU509582A1 (en) | 1974-06-10 | 1974-06-10 | Method for producing ethyl ethyl phenyl cyanacetic acid |
Publications (1)
Publication Number | Publication Date |
---|---|
SU509582A1 true SU509582A1 (en) | 1976-04-05 |
Family
ID=48227835
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU2030803A SU509582A1 (en) | 1974-06-10 | 1974-06-10 | Method for producing ethyl ethyl phenyl cyanacetic acid |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU509582A1 (en) |
-
1974
- 1974-06-10 SU SU2030803A patent/SU509582A1/en active
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