SU199869A1 - METHOD OF OBTAINING HEXACHLORBUTADIENE-1,3 - Google Patents
METHOD OF OBTAINING HEXACHLORBUTADIENE-1,3Info
- Publication number
- SU199869A1 SU199869A1 SU1104973A SU1104973A SU199869A1 SU 199869 A1 SU199869 A1 SU 199869A1 SU 1104973 A SU1104973 A SU 1104973A SU 1104973 A SU1104973 A SU 1104973A SU 199869 A1 SU199869 A1 SU 199869A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- obtaining
- hexachlorbutadiene
- hexachlorobutadiene
- acetone
- octachlorobutane
- Prior art date
Links
- CSCPPACGZOOCGX-UHFFFAOYSA-N acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 8
- WYANTPWHPFNPCP-UHFFFAOYSA-N 1,1,2,2,3,3,4,4-octachlorobutane Chemical compound ClC(Cl)C(Cl)(Cl)C(Cl)(Cl)C(Cl)Cl WYANTPWHPFNPCP-UHFFFAOYSA-N 0.000 description 3
- 238000007033 dehydrochlorination reaction Methods 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 2
- HEDRZPFGACZZDS-UHFFFAOYSA-N chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- YMWUJEATGCHHMB-UHFFFAOYSA-N methylene dichloride Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229920000089 Cyclic olefin copolymer Polymers 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- UXVMQQNJUSDDNG-UHFFFAOYSA-L cacl2 Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 1
- 229910001628 calcium chloride Inorganic materials 0.000 description 1
- 239000001110 calcium chloride Substances 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- KWYUFKZDYYNOTN-UHFFFAOYSA-M potassium hydroxide Inorganic materials [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 239000012265 solid product Substances 0.000 description 1
- 238000001256 steam distillation Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Description
Известный способ получени гексахлорбутадиена-1 ,3 состоит в дегидрохлорироваиии 1,1,2,2,3,3,4,4-октахлорбутана водно-спиртовой щелочью при 20-30°С. Выход продукта при этом 67-70VoС целью увеличени выхода и чистоть коиечного продукта, предлагаетс дегидрохлорнрование проводить 2-3 N водным раствором КОН в ацетоне.A known method for producing hexachlorobutadiene-1, 3 consists of dehydrochlorinating and 1,1,2,2,3,3,4,4-octachlorobutane with an aqueous-alcoholic alkali at 20-30 ° C. With a yield of 67-70VoC, in order to increase the yield and purity of the solid product, it is proposed to carry out dehydrochlorination by a 2-3 N aqueous solution of KOH in acetone.
Пример. К 6,5 г 1,1,2,2,3,3,4,4-октахлорбутана в 40 мл ацетона при энергичном размешивании прибавл ют 3,5 г КОП, растворенных в 20 мл воды (2,5 N раствор) в течение 10 мин, отчего температура несколько повышаетс . После трехчасового размешивани из реакционной смеси отгон ют ацетон. Гексахлорбутадиен-1,3 извлекают растворителем (петролейный эфир, хлористый метилен, хлороформ и т. д.), промывают водой и сушатExample. To 6.5 g of 1,1,2,2,3,3,4,4-octachlorobutane in 40 ml of acetone with vigorous stirring, add 3.5 g of CCP dissolved in 20 ml of water (2.5 N solution) in for 10 minutes, causing the temperature to rise slightly. After stirring for three hours, acetone is distilled off from the reaction mixture. Hexachlorobutadiene-1,3 is extracted with a solvent (petroleum ether, methylene chloride, chloroform, etc.), washed with water and dried
хлористым кальцием. После отгонки растворител получают 4,42 г продукта с 1,5560,calcium chloride. After distilling off the solvent, 4.42 g of product is obtained with 1.5560,
т. кип. 64°С/5 мм и мол. весом 255. По литературным данным т. кип. 57,5-58°С/2 мм, 58-60°С/2,5 мм, п 1,5540, т. кип. 64°С/5иш, 212°С/742 мм, 1,5560.m.p. 64 ° C / 5 mm and mol. weighing 255. According to literary data, t. Kip. 57.5-58 ° С / 2 mm, 58-60 ° С / 2.5 mm, p 1.5540, t. Bales. 64 ° C / 5, 212 ° C / 742 mm, 1.5560.
Гексахлорбутадиен-1,3 может быть выделен также перегонкой с вод ным паром.Hexachlorobutadiene-1,3 can also be isolated by steam distillation.
Предмет изобретени Subject invention
Способ получени гексахлорбутадиена-1,3 дегидрохлорированием 1,1,2,2,3,3,4,4-октахлорбутана раствором ш,елочн с выделением конечного продукта известным способом, отличающийс тем, что, с целью увеличени выхода и чистоты конечного продукта, дегидрохлорирование провод т 2-3 N водиым раствором КОП в ацетоне.The method of obtaining hexachlorobutadiene-1,3 by dehydrochlorination of 1,1,2,2,3,3,4,4-octachlorobutane with a solution of ½ w, with the release of the final product by a known method, characterized in that The dehydrochlorination was carried out with a 2–3 N aqueous solution of COC in acetone.
Publications (1)
Publication Number | Publication Date |
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SU199869A1 true SU199869A1 (en) |
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