GB1486982A - Manufacture of hydrogenated indoles - Google Patents
Manufacture of hydrogenated indolesInfo
- Publication number
- GB1486982A GB1486982A GB3117/75A GB311775A GB1486982A GB 1486982 A GB1486982 A GB 1486982A GB 3117/75 A GB3117/75 A GB 3117/75A GB 311775 A GB311775 A GB 311775A GB 1486982 A GB1486982 A GB 1486982A
- Authority
- GB
- United Kingdom
- Prior art keywords
- indoles
- column
- hydrogenated
- sulphuric acid
- manufacture
- 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
- 150000002475 indoles Chemical class 0.000 title abstract 3
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 abstract 2
- 235000011149 sulphuric acid Nutrition 0.000 abstract 2
- 239000001117 sulphuric acid Substances 0.000 abstract 2
- XKLNOVWDVMWTOB-UHFFFAOYSA-N 2,3,4,9-tetrahydro-1h-carbazole Chemical class N1C2=CC=CC=C2C2=C1CCCC2 XKLNOVWDVMWTOB-UHFFFAOYSA-N 0.000 abstract 1
- 150000001716 carbazoles Chemical class 0.000 abstract 1
- 239000007795 chemical reaction product Substances 0.000 abstract 1
- 239000000975 dye Substances 0.000 abstract 1
- 239000000543 intermediate Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 239000000047 product Substances 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B3/00—Electrolytic production of organic compounds
- C25B3/20—Processes
- C25B3/25—Reduction
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
- Indole Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2403446A DE2403446C2 (de) | 1974-01-25 | 1974-01-25 | Verfahren zur Herstellung hydrierter Indole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1486982A true GB1486982A (en) | 1977-09-28 |
Family
ID=5905619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3117/75A Expired GB1486982A (en) | 1974-01-25 | 1975-01-24 | Manufacture of hydrogenated indoles |
Country Status (5)
| Country | Link |
|---|---|
| CH (1) | CH607997A5 (enExample) |
| DE (1) | DE2403446C2 (enExample) |
| FR (1) | FR2259162B1 (enExample) |
| GB (1) | GB1486982A (enExample) |
| IT (1) | IT1028016B (enExample) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2658951C2 (de) * | 1976-12-24 | 1985-10-10 | Basf Ag, 6700 Ludwigshafen | Verfahren zur elektrochemischen Hydrierung von Indolen oder Tetrahydrocarbazolen |
| US4482437A (en) * | 1984-04-05 | 1984-11-13 | Reilly Tar & Chemical Corp. | Electrochemical reductions of cyanopyridine bases |
-
1974
- 1974-01-25 DE DE2403446A patent/DE2403446C2/de not_active Expired
- 1974-12-23 IT IT30976/74A patent/IT1028016B/it active
-
1975
- 1975-01-21 FR FR7501819A patent/FR2259162B1/fr not_active Expired
- 1975-01-24 GB GB3117/75A patent/GB1486982A/en not_active Expired
- 1975-01-24 CH CH85175A patent/CH607997A5/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DE2403446A1 (de) | 1975-07-31 |
| CH607997A5 (en) | 1978-12-15 |
| FR2259162B1 (enExample) | 1978-02-24 |
| FR2259162A1 (enExample) | 1975-08-22 |
| IT1028016B (it) | 1979-01-30 |
| DE2403446C2 (de) | 1982-02-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19930124 |