SU55779A1 - The method of obtaining vanilla - Google Patents
The method of obtaining vanillaInfo
- Publication number
- SU55779A1 SU55779A1 SU1281A SU55779DA SU55779A1 SU 55779 A1 SU55779 A1 SU 55779A1 SU 1281 A SU1281 A SU 1281A SU 55779D A SU55779D A SU 55779DA SU 55779 A1 SU55779 A1 SU 55779A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- obtaining
- vanilla
- copper
- vanillin
- oxidation
- Prior art date
Links
- 238000000034 method Methods 0.000 title description 7
- 235000009499 Vanilla fragrans Nutrition 0.000 title 1
- 244000263375 Vanilla tahitensis Species 0.000 title 1
- 235000012036 Vanilla tahitensis Nutrition 0.000 title 1
- 230000003647 oxidation Effects 0.000 description 5
- 238000007254 oxidation reaction Methods 0.000 description 5
- MWOOGOJBHIARFG-UHFFFAOYSA-N vanillin Chemical compound COC1=CC(C=O)=CC=C1O MWOOGOJBHIARFG-UHFFFAOYSA-N 0.000 description 5
- FGQOOHJZONJGDT-UHFFFAOYSA-N vanillin Natural products COC1=CC(O)=CC(C=O)=C1 FGQOOHJZONJGDT-UHFFFAOYSA-N 0.000 description 5
- 235000012141 vanillin Nutrition 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 239000007859 condensation product Substances 0.000 description 4
- BERDEBHAJNAUOM-UHFFFAOYSA-N copper(I) oxide Inorganic materials [Cu]O[Cu] BERDEBHAJNAUOM-UHFFFAOYSA-N 0.000 description 4
- KRFJLUBVMFXRPN-UHFFFAOYSA-N cuprous oxide Chemical compound [O-2].[Cu+].[Cu+] KRFJLUBVMFXRPN-UHFFFAOYSA-N 0.000 description 4
- 229940112669 cuprous oxide Drugs 0.000 description 4
- HHLFWLYXYJOTON-UHFFFAOYSA-N glyoxylic acid Chemical compound OC(=O)C=O HHLFWLYXYJOTON-UHFFFAOYSA-N 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 241001415849 Strigiformes Species 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 229910000365 copper sulfate Inorganic materials 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- CBOQJANXLMLOSS-UHFFFAOYSA-N ethyl vanillin Chemical compound CCOC1=CC(C=O)=CC=C1O CBOQJANXLMLOSS-UHFFFAOYSA-N 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 235000011121 sodium hydroxide Nutrition 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Landscapes
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Description
Согласно известному способу получени ванилина, описанному во французском патенте № 751687, продукт конденсации гва кола с глиоксиловой кислотой окисл ют в ванилин при помощи сернокислой меди в щелочной среде.According to the well-known vanillin production method described in French patent No. 751687, the condensation product of gua-cola with glyoxylic acid is oxidized to vanillin using copper sulfate in an alkaline medium.
При этом хот и получаютс хорошие выходы ванилина, но возникают значительные затруднени в св зи с необходимостью фильтрова- I НИН больших объемов сильно ш,елочных жидкостей дл отделени , закиси меди.At the same time, although good yields of vanillin are obtained, however, considerable difficulties arise in connection with the need for large volumes of filter liquids for separation, cuprous oxide.
Дл избежани этого, согласно предлагаемому способу, окисление продукта конденсации проводитс электролитическим путем. Плотность тока должна соответствовать 0,01 ajcM. Анод-медный, диафрагма- дерев нна . Процесс окислени производитс в щелочной среде в присутствии незначительного количества закиси меди.To avoid this, according to the proposed method, the oxidation of the condensation product is carried out electrolytically. The current density should correspond to 0.01 ajcM. Anode-copper, diaphragm-wood. The oxidation process is carried out in an alkaline medium in the presence of a minor amount of cuprous oxide.
Пример. В электролизер загру- : жают 250 мл раствора, содержащего 5-6 г продукта конденсации, 100 мл 20%-го раствора едкого натра и 0,5 г закиси меди (или медного купороса), Example. 250 ml of a solution containing 5-6 g of a condensation product, 100 ml of a 20% caustic soda solution and 0.5 g of cuprous oxide (or copper vitriol) are loaded into the electrolyzer;
Анод - медный, катод - железный. Электролиз ведетс при 75-100° в течение двух часов при непрерывном перемешивании. После окончани процесса анолпт подкисл ют и ванилин извлекают бензолом.The anode is copper, the cathode is iron. Electrolysis is carried out at 75-100 ° for two hours with continuous stirring. After the process is complete, the anolpt is acidified and the vanillin is extracted with benzene.
Вышеуказанный способ пригоден также дл получени ванилал . Основные преимущества его по сравнению с чисто химическим способом окислени следующие: 1) отпадает необходимость фильтрации сильно щелочных жидкостей; 2) устран етс расход медного купороса; 3) получаетс более чистый продукт.The above method is also suitable for the preparation of vanilal. The main advantages of it in comparison with the purely chemical method of oxidation are the following: 1) there is no need to filter strongly alkaline liquids; 2) the consumption of copper sulphate is eliminated; 3) a cleaner product is obtained.
Предмет и з о о р е т е н и .Subject and z o r e ri e.
Способ полученп ванилина путем окислени продукта конденсации гва кола с глиоксиловой кислотой, отличающийс тем, что продукт конденсации подвергают электролитическому окислению в щелочной среде в присутствии закиси меди, с применением медного анода и дерев нной диафрагмы при плотности тока 0,01 .м.The method of obtaining vanillin by oxidation of the product of condensation of gba cola with glyoxylic acid, characterized in that the condensation product is subjected to electrolytic oxidation in an alkaline medium in the presence of cuprous oxide, using a copper anode and a wooden diaphragm at a current density of 0.01.
Тип. арт. «Сов. печ. Зак. J 8637-500Type of. art. “Owls. pecs Zak J 8637-500
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU55779T | 1938-11-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU55779A1 true SU55779A1 (en) | 1938-11-30 |
Family
ID=52746527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU1281A SU55779A1 (en) | 1938-11-07 | 1938-11-07 | The method of obtaining vanilla |
Country Status (1)
| Country | Link |
|---|---|
| SU (1) | SU55779A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2628525C2 (en) * | 2012-07-26 | 2017-08-17 | Родиа Операсьон | Method for alcoxyphenol and alcoxyhydroxybenzaldehyde production |
| RU2648044C2 (en) * | 2012-07-26 | 2018-03-22 | Родиа Операсьон | Method for obtaining alcoxy-hydroxybenzaldehyde, that is substantially free of alkyl-alcoxy-hydroxybenzaldehyde |
| RU2712754C2 (en) * | 2013-11-15 | 2020-01-31 | Родиа Операсьон | Method of producing almond aromatic compounds and aromatic aldehyde compounds |
-
1938
- 1938-11-07 SU SU1281A patent/SU55779A1/en active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2628525C2 (en) * | 2012-07-26 | 2017-08-17 | Родиа Операсьон | Method for alcoxyphenol and alcoxyhydroxybenzaldehyde production |
| RU2648044C2 (en) * | 2012-07-26 | 2018-03-22 | Родиа Операсьон | Method for obtaining alcoxy-hydroxybenzaldehyde, that is substantially free of alkyl-alcoxy-hydroxybenzaldehyde |
| RU2712754C2 (en) * | 2013-11-15 | 2020-01-31 | Родиа Операсьон | Method of producing almond aromatic compounds and aromatic aldehyde compounds |
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