GB1141671A - Preparation of -Ï-cyanoalkanoic acids - Google Patents
Preparation of -Ï-cyanoalkanoic acidsInfo
- Publication number
- GB1141671A GB1141671A GB375966A GB375966A GB1141671A GB 1141671 A GB1141671 A GB 1141671A GB 375966 A GB375966 A GB 375966A GB 375966 A GB375966 A GB 375966A GB 1141671 A GB1141671 A GB 1141671A
- Authority
- GB
- United Kingdom
- Prior art keywords
- cyanoalkanoic
- acids
- preparation
- jan
- cyano
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C255/00—Carboxylic acid nitriles
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Abstract
1,141,671. Preparation of #-cyanoalkanoic acids. IMPERIAL CHEMICAL INDUSTRIES Ltd. 4 Jan., 1967 [27 Jan., 1966], No. 3759/66. Heading C2C. #-Cyanoalkanoic acids are prepared by hydroformylating an α,#-alkenonitrile by heating with CO and H 2 under pressure in the presence of a hydroformylation catalyst, isolating the aldehyde formed and oxidizing it. The hydroformylation is preferably carried out at 20‹ to 200‹ C. under a pressure of 70-200 atmospheres. Preferred catalysts are rhodium (I) planar complexes, e.g. tetracarbonyl-Á- dirhodium dichloride. In the example 1-cyano- 4-pentene is hydroformylated using the catalyst specified above to yield a 6-cyano-hexanal product (2,4 - dinitrophenyl - hydrazone formed) which is oxidized with KMnO 4 /H 2 SO 4 to give 6-cyanohexanoic acid.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB375966A GB1141671A (en) | 1966-01-27 | 1966-01-27 | Preparation of -Ï-cyanoalkanoic acids |
| AU16346/67A AU1634667A (en) | 1966-01-27 | 1967-01-11 | Chemical process |
| NL6701311A NL6701311A (en) | 1966-01-27 | 1967-01-27 | |
| FR92753A FR1509547A (en) | 1966-01-27 | 1967-01-27 | Manufacturing process of omega-cyanoalkanoic acids |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB375966A GB1141671A (en) | 1966-01-27 | 1966-01-27 | Preparation of -Ï-cyanoalkanoic acids |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1141671A true GB1141671A (en) | 1969-01-29 |
Family
ID=9764425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB375966A Expired GB1141671A (en) | 1966-01-27 | 1966-01-27 | Preparation of -Ï-cyanoalkanoic acids |
Country Status (4)
| Country | Link |
|---|---|
| AU (1) | AU1634667A (en) |
| FR (1) | FR1509547A (en) |
| GB (1) | GB1141671A (en) |
| NL (1) | NL6701311A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0450577A1 (en) * | 1990-04-02 | 1991-10-09 | E.I. Du Pont De Nemours And Company | Nitrile-accelerated hydrocarboxylation |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4473696A (en) * | 1982-10-07 | 1984-09-25 | Ici Americas Inc. | Synthesis of 2-substituted-5-methyl-pyridines |
-
1966
- 1966-01-27 GB GB375966A patent/GB1141671A/en not_active Expired
-
1967
- 1967-01-11 AU AU16346/67A patent/AU1634667A/en not_active Expired
- 1967-01-27 FR FR92753A patent/FR1509547A/en not_active Expired
- 1967-01-27 NL NL6701311A patent/NL6701311A/xx unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0450577A1 (en) * | 1990-04-02 | 1991-10-09 | E.I. Du Pont De Nemours And Company | Nitrile-accelerated hydrocarboxylation |
Also Published As
| Publication number | Publication date |
|---|---|
| AU1634667A (en) | 1968-07-11 |
| FR1509547A (en) | 1968-01-12 |
| NL6701311A (en) | 1967-07-28 |
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