ATE4053T1 - Verfahren zur gewinnung reiner nitrile. - Google Patents
Verfahren zur gewinnung reiner nitrile.Info
- Publication number
- ATE4053T1 ATE4053T1 AT81100973T AT81100973T ATE4053T1 AT E4053 T1 ATE4053 T1 AT E4053T1 AT 81100973 T AT81100973 T AT 81100973T AT 81100973 T AT81100973 T AT 81100973T AT E4053 T1 ATE4053 T1 AT E4053T1
- Authority
- AT
- Austria
- Prior art keywords
- nitriles
- obtaining pure
- aromatic
- heteroaromatic
- reaction
- Prior art date
Links
- 150000002825 nitriles Chemical class 0.000 title abstract 2
- 125000003118 aryl group Chemical group 0.000 abstract 2
- 239000007789 gas Substances 0.000 abstract 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 abstract 1
- 230000005494 condensation Effects 0.000 abstract 1
- 238000009833 condensation Methods 0.000 abstract 1
- QPJDMGCKMHUXFD-UHFFFAOYSA-N cyanogen chloride Chemical compound ClC#N QPJDMGCKMHUXFD-UHFFFAOYSA-N 0.000 abstract 1
- 230000003247 decreasing effect Effects 0.000 abstract 1
- -1 heteroaromatic nitriles Chemical class 0.000 abstract 1
- 229910000041 hydrogen chloride Inorganic materials 0.000 abstract 1
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 abstract 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 abstract 1
- 238000011084 recovery Methods 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C255/00—Carboxylic acid nitriles
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D333/00—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom
- C07D333/02—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings
- C07D333/04—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur atom
- C07D333/06—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur atom with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to the ring carbon atoms
- C07D333/24—Radicals substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Heterocyclic Compounds Containing Sulfur Atoms (AREA)
- Pyridine Compounds (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19803006424 DE3006424A1 (de) | 1980-02-21 | 1980-02-21 | Verfahren zur gewinnung reiner nitrile |
| EP81100973A EP0034763B1 (de) | 1980-02-21 | 1981-02-12 | Verfahren zur Gewinnung reiner Nitrile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE4053T1 true ATE4053T1 (de) | 1983-07-15 |
Family
ID=6095143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT81100973T ATE4053T1 (de) | 1980-02-21 | 1981-02-12 | Verfahren zur gewinnung reiner nitrile. |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4390706A (en:Method) |
| EP (1) | EP0034763B1 (en:Method) |
| JP (1) | JPS56128747A (en:Method) |
| AT (1) | ATE4053T1 (en:Method) |
| CA (1) | CA1147341A (en:Method) |
| DE (2) | DE3006424A1 (en:Method) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3717434C1 (de) * | 1987-05-23 | 1988-09-15 | Degussa | Verfahren zur Herstellung von m-Trifluormethylphenylacetonitril |
| CA2794002A1 (en) * | 2007-08-16 | 2009-02-19 | Lonza Ltd | Process for recrystallizing alkali metal and alkaline earth metal tricyanomethanides |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2553404A (en) * | 1950-04-08 | 1951-05-15 | American Cyanamid Co | Preparation of aralkyl cyanides |
| US2606917A (en) * | 1951-06-29 | 1952-08-12 | American Cyanamid Co | Preparation of nitriles |
| CH582655A5 (en:Method) * | 1973-10-18 | 1976-12-15 | Lonza Ag | |
| DE2854210C2 (de) | 1978-12-15 | 1984-08-09 | Degussa Ag, 6000 Frankfurt | Verfahren zur Herstellung von aromatisch oder heteroaromatisch substituierten Acetonitrilen |
-
1980
- 1980-02-21 DE DE19803006424 patent/DE3006424A1/de not_active Withdrawn
-
1981
- 1981-02-12 AT AT81100973T patent/ATE4053T1/de not_active IP Right Cessation
- 1981-02-12 DE DE8181100973T patent/DE3160544D1/de not_active Expired
- 1981-02-12 EP EP81100973A patent/EP0034763B1/de not_active Expired
- 1981-02-18 JP JP2160981A patent/JPS56128747A/ja active Granted
- 1981-02-19 US US06/235,985 patent/US4390706A/en not_active Expired - Fee Related
- 1981-02-20 CA CA000371425A patent/CA1147341A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS56128747A (en) | 1981-10-08 |
| EP0034763A3 (en) | 1981-09-09 |
| DE3006424A1 (de) | 1981-09-03 |
| EP0034763A2 (de) | 1981-09-02 |
| JPH0156063B2 (en:Method) | 1989-11-28 |
| CA1147341A (en) | 1983-05-31 |
| DE3160544D1 (en) | 1983-08-11 |
| US4390706A (en) | 1983-06-28 |
| EP0034763B1 (de) | 1983-07-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| REN | Ceased due to non-payment of the annual fee |