SU1697381A1 - Method for production of 2-ethylhexylic acid - Google Patents
Method for production of 2-ethylhexylic acidInfo
- Publication number
- SU1697381A1 SU1697381A1 SU4819152/04A SU4819152A SU1697381A1 SU 1697381 A1 SU1697381 A1 SU 1697381A1 SU 4819152/04 A SU4819152/04 A SU 4819152/04A SU 4819152 A SU4819152 A SU 4819152A SU 1697381 A1 SU1697381 A1 SU 1697381A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- hydrogenation
- alkyl
- mentioned above
- containing gas
- hydrogen
- Prior art date
Links
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
FIELD: organic chemistry. SUBSTANCE: method is carried out by hydrogenation of 2-ethylhexene-2-al-1 with the help of hydrogen-containing gas. The process takes place at 80-130 C and at pressure 0.1-5 MPa in the presence of Pd/AlOand alkyl butyrate. 2-ethyl hexanal being isolated of thus prepared hydrogenation product is separated into gaseous and liquid phase. Mentioned above gaseous phase which comprises hydrogen and easily volatile materials is recycled and then is used together with hydrogen-containing gas for hydrogenation. Said liquid phase which comprises alkyl butyrates and 2-ethyl hexanal is then oxidized at 40-50 C with the help of oxygen or oxygen-containing gas. Thus obtained oxidate is rectified together with desired acid being run off the bottom part of the column and with alkyl butyrates being run off its top part. Thus prepared product is separated in two streams, the former being fed for oxidation, the latter for hydrogenation. Mass ratio of 2-ethyl hexanal and alkyl butyrate in mentioned above former stream is 1: (0.5-5.3). Mass ratio of 2-ethylhexen-2-al-1 and alkyl butyrate in mentioned above latter stream is 1:(0.5-5.3) respectively. EFFECT: increased yield of desired product, simplified technology of the process, decreased energy expense. 1 tbl 1 dwg
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU4819152/04A SU1697381A1 (en) | 1990-04-28 | 1990-04-28 | Method for production of 2-ethylhexylic acid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU4819152/04A SU1697381A1 (en) | 1990-04-28 | 1990-04-28 | Method for production of 2-ethylhexylic acid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU1697381A1 true SU1697381A1 (en) | 1997-02-27 |
Family
ID=60532153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU4819152/04A SU1697381A1 (en) | 1990-04-28 | 1990-04-28 | Method for production of 2-ethylhexylic acid |
Country Status (1)
| Country | Link |
|---|---|
| SU (1) | SU1697381A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2626958C2 (en) * | 2015-12-29 | 2017-08-02 | Публичное акционерное общество "СИБУР Холдинг" | Method for selective hydrogenation of unsaturated aldehydes |
| CN111620772A (en) * | 2020-07-01 | 2020-09-04 | 山东理工大学 | Production process for preparing isooctanoic acid by using isooctenal as raw material |
-
1990
- 1990-04-28 SU SU4819152/04A patent/SU1697381A1/en active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2626958C2 (en) * | 2015-12-29 | 2017-08-02 | Публичное акционерное общество "СИБУР Холдинг" | Method for selective hydrogenation of unsaturated aldehydes |
| CN111620772A (en) * | 2020-07-01 | 2020-09-04 | 山东理工大学 | Production process for preparing isooctanoic acid by using isooctenal as raw material |
| CN111620772B (en) * | 2020-07-01 | 2023-04-18 | 山东理工大学 | Production process for preparing isooctanoic acid by using isooctene aldehyde as raw material |
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| Date | Code | Title | Description |
|---|---|---|---|
| REG | Reference to a code of a succession state |
Ref country code: RU Ref legal event code: MM4A Effective date: 19990429 |