SU182078A1 - METHOD OF OBTAINING HYDROXYTIOLS - Google Patents
METHOD OF OBTAINING HYDROXYTIOLSInfo
- Publication number
- SU182078A1 SU182078A1 SU881865A SU881865A SU182078A1 SU 182078 A1 SU182078 A1 SU 182078A1 SU 881865 A SU881865 A SU 881865A SU 881865 A SU881865 A SU 881865A SU 182078 A1 SU182078 A1 SU 182078A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- alkylene oxide
- hydrogen sulfide
- yield
- hydroxytiols
- obtaining
- Prior art date
Links
- 125000002947 alkylene group Chemical group 0.000 claims description 7
- RWSOTUBLDIXVET-UHFFFAOYSA-N dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 claims description 7
- 229910000037 hydrogen sulfide Inorganic materials 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 6
- 239000003054 catalyst Substances 0.000 claims description 4
- 102000037197 Anion exchangers Human genes 0.000 claims description 2
- 108091006437 Anion exchangers Proteins 0.000 claims description 2
- 125000004432 carbon atoms Chemical group C* 0.000 claims description 2
- 150000001768 cations Chemical class 0.000 claims description 2
- 230000002378 acidificating Effects 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 claims 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 229920005989 resin Polymers 0.000 description 5
- 239000011347 resin Substances 0.000 description 5
- IAYPIBMASNFSPL-UHFFFAOYSA-N oxane Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 4
- DGVVWUTYPXICAM-UHFFFAOYSA-N 2-mercaptoethanol Chemical compound OCCS DGVVWUTYPXICAM-UHFFFAOYSA-N 0.000 description 3
- 229920001429 Chelating resin Polymers 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 239000000203 mixture Substances 0.000 description 2
- 229920001467 poly(styrenesulfonates) Polymers 0.000 description 2
- 239000012429 reaction media Substances 0.000 description 2
- RRUZNUBGRZKRNR-UHFFFAOYSA-N 2-chloro-2-methyloxirane Chemical compound CC1(Cl)CO1 RRUZNUBGRZKRNR-UHFFFAOYSA-N 0.000 description 1
- KFZMGEQAYNKOFK-UHFFFAOYSA-N 2-propanol Substances CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 1
- 241000152160 Ira Species 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000003701 inert diluent Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000003456 ion exchange resin Substances 0.000 description 1
- 229920003303 ion-exchange polymer Polymers 0.000 description 1
- GOOHAUXETOMSMM-UHFFFAOYSA-N propylene oxide Chemical compound CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Description
Известен способ получени гидрокситиолов действием на окись алкилена сероводородом в присутствии катализатора-каолииа при температуре 150-160°С, выход целевого продукта составл ет приблизительно 60%.A known method of producing hydroxythiols by the action of alkylene oxide with hydrogen sulfide in the presence of a kaolium catalyst at a temperature of 150-160 ° C, the yield of the target product is approximately 60%.
С целью увеличени выхода гидрокситиола и упрощени процесса предложен способ, заключающийс во взаимодействии сероводорода на окись алкилена в присутствии слабощелочных или слабокислых катионитов или анионитов и инертного разбавител при температуре 15-45°С. Соотношение сероводорода к окиси алкилена составл ет 2; 1. Кроме того, используют окись алкилена, содержащую от 2 до 3 атомов углерода.In order to increase the yield of hydroxythiol and simplify the process, a method has been proposed which consists in the interaction of hydrogen sulfide with alkylene oxide in the presence of weakly alkaline or weakly acid cation exchangers or anion exchangers and an inert diluent at a temperature of 15-45 ° C. The ratio of hydrogen sulfide to alkylene oxide is 2; 1. In addition, use alkylene oxide containing from 2 to 3 carbon atoms.
Пример 1. В колонну, снабже 1ную регул тором тепла, загружают ионообменную смолу марки Дауэкс 11/ОН. Смесь окиси этилена с сероводородом (мол рное соотношение 1 : 2) nponyci-;a)OT через слой этой смолы. Температуру колонны поддерживают 40°С при скорости прохождени газов 450 л/час на литр сло катализатора. По прохождении колонны получают меркаптоэтанол HS-СНа-СН2- -ОН с выходом 72%.Example 1. A Dowex 11 / OH ion exchange resin is loaded into a column supplied with a heat regulator. A mixture of ethylene oxide and hydrogen sulfide (molar ratio 1: 2) nponyci-; a) OT through a layer of this resin. The column temperature is maintained at 40 ° C at a gas flow rate of 450 liters per hour per liter of catalyst bed. By passing the column, mercaptoethanol HS-CHa-CH2-OH is obtained with a yield of 72%.
Пример 2. В колонну загружают смолу, известную под названием Амберлит ИР 45/ОН. При рабочих услови х, тех же, что в примере 1, получают меркаптоэтанол с выходом 75%.Example 2. In the column load resin, known as Amberlite IL 45 / HE. Under the operating conditions as in Example 1, a mercaptoethanol is obtained with a yield of 75%.
Пример 3. Смолу из примера 2 замен ют смолой Амберлит ИРА 401/С1, выход продукта 62%.Example 3. The resin from Example 2 was replaced with Amberlite IRA 401 / C1 resin, product yield 62%.
Пример 4. Вместо смолы Дауэкс, но соблюда услови процесса, указанного в примере 1, примен ют смесь из равных частей Амберлита ИР 50/Н и ИР 45/ОН-, выход продукта 50%.Example 4. Instead of Dowex resin, but observing the conditions of the process indicated in Example 1, a mixture of equal parts of Amberlite TI 50 / H and TI 45 / OH- is used, the yield is 50%.
Пример 5. Процесс примера 2 измен ют следующим образом: температуру устанавливают на 25°С, скорость прохождени газа- на 100 л/час, реакционную среду развод т азотом в соотношении 1 объем Na на 1 объем окиси этилена. Получают 79,5% меркаптоэтаНОЛ а.Example 5. The process of example 2 is changed as follows: the temperature is set to 25 ° C, the gas flow rate is 100 l / h, the reaction medium is diluted with nitrogen in a ratio of 1 volume of Na to 1 volume of ethylene oxide. 79.5% of the mercaptoethinol is obtained.
Пример 6. Процесс примера 2 измен ют следующим образом: температуру регулируют на 30°С при прежней скорости прохождени , реакционную среду развод т азотом в соотношении 1,2 объема на 1 объем окиси этилена . Получают 60% меркаптоэтанола.Example 6. The process of example 2 is varied as follows: the temperature is adjusted to 30 ° C at the same passing speed, the reaction medium is diluted with nitrogen in a ratio of 1.2 volume per 1 volume of ethylene oxide. Get 60% mercaptoethanol.
Пример 7. Соотношение газов примера 6 измен ют следующим образом: 3 объема сероводорода на 2 объема окиси этилена и 1,8 объема азота. В результате получают 57% вещества.Example 7. The ratio of the gases of Example 6 is changed as follows: 3 volumes of hydrogen sulfide for 2 volumes of ethylene oxide and 1.8 volumes of nitrogen. The result is 57% of the substance.
Пример 9. Вместо окиси пропилена процесс провод т с окисью монохлор-2,3-пропилена и получают 1-хлор-3-тиол-2-пропанол с выходом около 72%.Example 9. Instead of propylene oxide, the process is carried out with monochloro-2,3-propylene oxide and 1-chloro-3-thiol-2-propanol is obtained in a yield of about 72%.
Предмет изобретени Subject invention
Claims (3)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU182078A1 true SU182078A1 (en) |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4985586A (en) * | 1986-12-30 | 1991-01-15 | Societe Nationale Elf Aquitaine (Production) | Process for the preparation of mercaptoalcohols |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4985586A (en) * | 1986-12-30 | 1991-01-15 | Societe Nationale Elf Aquitaine (Production) | Process for the preparation of mercaptoalcohols |
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