FR2362825A1 - Procede de preparation de 4-oxocapronitrile - Google Patents
Procede de preparation de 4-oxocapronitrileInfo
- Publication number
- FR2362825A1 FR2362825A1 FR7725831A FR7725831A FR2362825A1 FR 2362825 A1 FR2362825 A1 FR 2362825A1 FR 7725831 A FR7725831 A FR 7725831A FR 7725831 A FR7725831 A FR 7725831A FR 2362825 A1 FR2362825 A1 FR 2362825A1
- Authority
- FR
- France
- Prior art keywords
- oxocapronitrile
- catalyst
- distilled
- reaction mixture
- unconsumed
- 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.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C255/00—Carboxylic acid nitriles
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/582—Recycling of unreacted starting or intermediate materials
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
L'invention concerne un procédé pour la préparation de 4-oxocapronitrile par réaction d'un excès d'acétone avec l'acrylonitrile à l'aide d'une amine primaire et/ou une base de Schiff, comme catalyseur et en présence d'un composé acide, opération dans laquelle la quantite d'oxygène dissous dans le mélange de réaction est maintenue en-dessous de 20 parties en poids par million, dans laquelle les réactifs non consommés et le catalyseur sont distillés à partir du mélange de réaction obtenu et par laquelle, à partir du résidu restant, on obtient le 4-oxocapronitrile par distillation On distille les réactifs non consommés et le catalyseur en présence d'un solvant inerte d'un point d'ébullition se situant entre 80 et 195 degrés C à une température inférieure à 195 degrés C et à une pression qui ne se situe pas en-dessous de la pression atmosphérique Avec le procédé suivant l'invention la recirculation du distillat obtenu ne provoquait pas de dépôt de substance de type polymère.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL7609478A NL7609478A (nl) | 1976-08-26 | 1976-08-26 | Werkwijze voor de bereiding van 4-oxocaproni- tril. |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2362825A1 true FR2362825A1 (fr) | 1978-03-24 |
FR2362825B1 FR2362825B1 (fr) | 1983-09-09 |
Family
ID=19826799
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7725831A Granted FR2362825A1 (fr) | 1976-08-26 | 1977-08-24 | Procede de preparation de 4-oxocapronitrile |
Country Status (11)
Country | Link |
---|---|
US (1) | US4117000A (fr) |
JP (1) | JPS6052694B2 (fr) |
BE (1) | BE858056A (fr) |
CA (1) | CA1082225A (fr) |
CH (1) | CH626053A5 (fr) |
DE (1) | DE2738388A1 (fr) |
FR (1) | FR2362825A1 (fr) |
GB (1) | GB1529118A (fr) |
IT (1) | IT1079950B (fr) |
NL (1) | NL7609478A (fr) |
SE (1) | SE426239B (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL7808605A (nl) * | 1978-08-19 | 1980-02-21 | Stamicarbon | Werkwijze voor de bereiding van delta-ketozuren en derivaten hiervan. |
NL9000034A (nl) * | 1990-01-06 | 1991-08-01 | Stamicarbon | Werkwijze voor de bereiding van 5-oxohexaannitrillen alsmede de stof 2,4-dimethyl-5-oxohexaannitril. |
US5254712A (en) * | 1990-01-06 | 1993-10-19 | Stamicarbon B.V. | Process for the preparation of 5-oxohexane nitriles and the compound 2,4-dimethyl-5-oxohexane nitrile |
JPH0418205U (fr) * | 1990-05-31 | 1992-02-14 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2103365A5 (fr) * | 1970-09-11 | 1972-04-07 | Stamicarbon | |
FR2158834A5 (fr) * | 1971-09-29 | 1973-06-15 | Stamicarbon | |
GB1378464A (en) * | 1972-07-06 | 1974-12-27 | Stamicarbon | Process for purifying 2-cyanoethyl ketones |
FR2233316A1 (fr) * | 1973-06-13 | 1975-01-10 | Hoechst Ag | |
DE2423316A1 (de) * | 1974-05-14 | 1975-11-27 | Hoechst Ag | 4-chlor-5-oxo-hexansaeure-nitril, 6- chlor-5-oxo-hexansaeure-nitril und verfahren zu ihrer herstellung |
FR2323673A1 (fr) * | 1975-09-13 | 1977-04-08 | Hoechst Ag | Procede de preparation de l'acide oxo-5 hexanoique et de ses derives |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2820519A (en) * | 1954-08-11 | 1958-01-21 | Hallmark Cards | Double hole paper drilling device |
DE1002342C2 (de) * | 1955-10-13 | 1957-07-18 | Bayer Ag | Verfahren zur Herstellung von ª‡-monocyanaethylierten Ketonen |
-
1976
- 1976-08-26 NL NL7609478A patent/NL7609478A/xx not_active Application Discontinuation
-
1977
- 1977-08-19 GB GB34951/77A patent/GB1529118A/en not_active Expired
- 1977-08-24 US US05/827,334 patent/US4117000A/en not_active Expired - Lifetime
- 1977-08-24 CA CA285,389A patent/CA1082225A/fr not_active Expired
- 1977-08-24 BE BE180386A patent/BE858056A/fr not_active IP Right Cessation
- 1977-08-24 FR FR7725831A patent/FR2362825A1/fr active Granted
- 1977-08-25 JP JP52102164A patent/JPS6052694B2/ja not_active Expired
- 1977-08-25 IT IT50786/77A patent/IT1079950B/it active
- 1977-08-25 DE DE19772738388 patent/DE2738388A1/de active Granted
- 1977-08-25 CH CH1040677A patent/CH626053A5/de not_active IP Right Cessation
- 1977-08-26 SE SE7709636A patent/SE426239B/xx not_active Application Discontinuation
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2103365A5 (fr) * | 1970-09-11 | 1972-04-07 | Stamicarbon | |
US3780082A (en) * | 1970-09-11 | 1973-12-18 | Stamicarbon | Process for the preparation of 4-oxocapronitrile |
FR2158834A5 (fr) * | 1971-09-29 | 1973-06-15 | Stamicarbon | |
US3816503A (en) * | 1971-09-29 | 1974-06-11 | Stamicarbon | Process for preparing cyanoethylated ketones |
GB1378464A (en) * | 1972-07-06 | 1974-12-27 | Stamicarbon | Process for purifying 2-cyanoethyl ketones |
FR2233316A1 (fr) * | 1973-06-13 | 1975-01-10 | Hoechst Ag | |
DE2423316A1 (de) * | 1974-05-14 | 1975-11-27 | Hoechst Ag | 4-chlor-5-oxo-hexansaeure-nitril, 6- chlor-5-oxo-hexansaeure-nitril und verfahren zu ihrer herstellung |
FR2323673A1 (fr) * | 1975-09-13 | 1977-04-08 | Hoechst Ag | Procede de preparation de l'acide oxo-5 hexanoique et de ses derives |
Also Published As
Publication number | Publication date |
---|---|
SE7709636L (sv) | 1978-02-27 |
US4117000A (en) | 1978-09-26 |
IT1079950B (it) | 1985-05-13 |
SE426239B (sv) | 1982-12-20 |
DE2738388C2 (fr) | 1988-02-04 |
GB1529118A (en) | 1978-10-18 |
BE858056A (fr) | 1978-02-24 |
CA1082225A (fr) | 1980-07-22 |
JPS6052694B2 (ja) | 1985-11-20 |
NL7609478A (nl) | 1978-02-28 |
FR2362825B1 (fr) | 1983-09-09 |
CH626053A5 (fr) | 1981-10-30 |
JPS5340717A (en) | 1978-04-13 |
DE2738388A1 (de) | 1978-03-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |