GB1140131A - Production of 1,4-dicyanobutene-(2) - Google Patents
Production of 1,4-dicyanobutene-(2)Info
- Publication number
- GB1140131A GB1140131A GB22063/66A GB2206366A GB1140131A GB 1140131 A GB1140131 A GB 1140131A GB 22063/66 A GB22063/66 A GB 22063/66A GB 2206366 A GB2206366 A GB 2206366A GB 1140131 A GB1140131 A GB 1140131A
- Authority
- GB
- United Kingdom
- Prior art keywords
- dicyanobutene
- reaction
- dibromobutene
- acid
- acid acceptor
- 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
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- 239000002253 acid Substances 0.000 abstract 5
- 239000000370 acceptor Substances 0.000 abstract 4
- 238000006243 chemical reaction Methods 0.000 abstract 3
- ZQOHAQBXINVHHC-HNQUOIGGSA-N (e)-hex-2-enedinitrile Chemical compound N#CCC\C=C\C#N ZQOHAQBXINVHHC-HNQUOIGGSA-N 0.000 abstract 2
- -1 alkali metal salts Chemical class 0.000 abstract 2
- 239000007864 aqueous solution Substances 0.000 abstract 2
- IFTGEZOPUAJVMG-UHFFFAOYSA-N 1,1-dibromobut-1-ene Chemical compound CCC=C(Br)Br IFTGEZOPUAJVMG-UHFFFAOYSA-N 0.000 abstract 1
- 150000007513 acids Chemical class 0.000 abstract 1
- 229910052783 alkali metal Inorganic materials 0.000 abstract 1
- 239000011260 aqueous acid Substances 0.000 abstract 1
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 abstract 1
- 229910052794 bromium Inorganic materials 0.000 abstract 1
- 239000012928 buffer substance Substances 0.000 abstract 1
- 230000003139 buffering effect Effects 0.000 abstract 1
- 239000003054 catalyst Substances 0.000 abstract 1
- 238000010924 continuous production Methods 0.000 abstract 1
- 150000001879 copper Chemical class 0.000 abstract 1
- 230000001590 oxidative effect Effects 0.000 abstract 1
- 239000011541 reaction mixture Substances 0.000 abstract 1
- 238000010405 reoxidation reaction Methods 0.000 abstract 1
- 150000003839 salts Chemical class 0.000 abstract 1
- 239000000243 solution Substances 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C253/00—Preparation of carboxylic acid nitriles
- C07C253/14—Preparation of carboxylic acid nitriles by reaction of cyanides with halogen-containing compounds with replacement of halogen atoms by cyano groups
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0086—Processes carried out with a view to control or to change the pH-value; Applications of buffer salts; Neutralisation reactions
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B7/00—Halogens; Halogen acids
- C01B7/09—Bromine; Hydrogen bromide
- C01B7/096—Bromine
-
- 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
- C25B1/00—Electrolytic production of inorganic compounds or non-metals
- C25B1/01—Products
- C25B1/24—Halogens or compounds thereof
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEB0081989 | 1965-05-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1140131A true GB1140131A (en) | 1969-01-15 |
Family
ID=6981330
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB22063/66A Expired GB1140131A (en) | 1965-05-19 | 1966-05-18 | Production of 1,4-dicyanobutene-(2) |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3557187A (en:Method) |
| AT (1) | AT260894B (en:Method) |
| BE (1) | BE681240A (en:Method) |
| DE (1) | DE1518553B1 (en:Method) |
| GB (1) | GB1140131A (en:Method) |
| NL (1) | NL147725B (en:Method) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE756572A (fr) * | 1969-09-25 | 1971-03-01 | Bayer Ag | Procede de preparation en continu de 1, 4-dicyano-2-butene |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2477597A (en) * | 1947-08-14 | 1949-08-02 | Du Pont | Preparation of 1,4-dicyano-2-butene |
| US2518608A (en) * | 1947-08-14 | 1950-08-15 | Du Pont | Atmospheric pressure cyanation of dihalobutenes in the liquid phase |
| GB646964A (en) * | 1948-02-11 | 1950-11-29 | Du Pont | Manufacture of an organic dinitrile |
| US2646443A (en) * | 1951-05-15 | 1953-07-21 | Libbey Owens Ford Glass Co | Method of producing 1, 4-dicyano-2-butene |
| DE1122940B (de) * | 1958-07-19 | 1962-02-01 | Knapsack Ag | Verfahren zur Herstellung von 1,4-Dicyan-1-buten und 1,4-Dicyan-2-buten durch Umsetzung von 1-Cyan-1, 3-butadien mit Blausaeure |
-
1965
- 1965-05-19 DE DE19651518553 patent/DE1518553B1/de not_active Ceased
-
1966
- 1966-05-17 NL NL666606762A patent/NL147725B/xx unknown
- 1966-05-18 BE BE681240D patent/BE681240A/xx unknown
- 1966-05-18 AT AT472866A patent/AT260894B/de active
- 1966-05-18 US US551145A patent/US3557187A/en not_active Expired - Lifetime
- 1966-05-18 GB GB22063/66A patent/GB1140131A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE681240A (en:Method) | 1966-11-18 |
| US3557187A (en) | 1971-01-19 |
| NL147725B (nl) | 1975-11-17 |
| NL6606762A (en:Method) | 1966-11-21 |
| DE1518553B1 (de) | 1970-03-26 |
| AT260894B (de) | 1968-03-25 |
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