BE819265A - Procede d'isomerisation selective du trans-2-pentene nitrile en cis-2-pentene nitrile - Google Patents
Procede d'isomerisation selective du trans-2-pentene nitrile en cis-2-pentene nitrileInfo
- Publication number
- BE819265A BE819265A BE147959A BE147959A BE819265A BE 819265 A BE819265 A BE 819265A BE 147959 A BE147959 A BE 147959A BE 147959 A BE147959 A BE 147959A BE 819265 A BE819265 A BE 819265A
- Authority
- BE
- Belgium
- Prior art keywords
- pentene nitrile
- cis
- trans
- selective isomerization
- pentene
- Prior art date
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)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US00392515A US3852325A (en) | 1973-08-29 | 1973-08-29 | Selective isomerization of pentenenitriles |
Publications (1)
Publication Number | Publication Date |
---|---|
BE819265A true BE819265A (fr) | 1975-02-28 |
Family
ID=23550901
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE147959A BE819265A (fr) | 1973-08-29 | 1974-08-28 | Procede d'isomerisation selective du trans-2-pentene nitrile en cis-2-pentene nitrile |
Country Status (9)
Country | Link |
---|---|
US (1) | US3852325A (fr) |
JP (1) | JPS5050319A (fr) |
BE (1) | BE819265A (fr) |
CA (1) | CA1021350A (fr) |
DE (1) | DE2441257A1 (fr) |
FR (1) | FR2242376B1 (fr) |
GB (1) | GB1436511A (fr) |
IT (1) | IT1020256B (fr) |
NL (1) | NL7411458A (fr) |
Families Citing this family (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4774353A (en) * | 1986-06-05 | 1988-09-27 | E. I. Du Pont De Nemours And Company | Triorganotin catalyst promoters for hydrocyanation |
US4783546A (en) * | 1987-06-02 | 1988-11-08 | E. I. Du Pont De Nemours And Company | Preparation of 4-pentenenitrile by isomerization |
US4874884A (en) * | 1988-03-31 | 1989-10-17 | E. I. Du Pont De Nemours And Company | Promoter synergism in pentenenitrile hydrocyanation |
US5087723A (en) * | 1990-05-01 | 1992-02-11 | E. I. Du Pont De Nemours And Company | Hydrocyanation of conjugated 2-alkenoates |
CN1145531C (zh) * | 1993-11-23 | 2004-04-14 | 纳幕尔杜邦公司 | 催化剂前身组合物 |
ATE196745T1 (de) | 1994-04-14 | 2000-10-15 | Du Pont | Nickel und phosphinebidentat enthaltende katalysatorzusammen- setzungen zur hydrocyanierung von monoolefinen |
TW315370B (fr) * | 1994-10-07 | 1997-09-11 | Du Pont | |
US5512696A (en) * | 1995-07-21 | 1996-04-30 | E. I. Du Pont De Nemours And Company | Hydrocyanation process and multidentate phosphite and nickel catalyst composition therefor |
US5440067A (en) * | 1994-11-18 | 1995-08-08 | E. I. Dupont De Nemours And Company | Catalyzed gas phase isomerization of nonconjugated 2-alkyl-3-monoalkenenitriles |
IN187044B (fr) * | 1995-01-27 | 2002-01-05 | Du Pont | |
US5821378A (en) * | 1995-01-27 | 1998-10-13 | E. I. Du Pont De Nemours And Company | Hydrocyanation of diolefins and isomerization of nonconjugated 2-alkyl-3-monoalkenenitriles |
DE10049265A1 (de) * | 2000-09-28 | 2002-04-11 | Basf Ag | Verfahren zur Trennung von Pentennitril-Isomeren |
FR2850966B1 (fr) | 2003-02-10 | 2005-03-18 | Rhodia Polyamide Intermediates | Procede de fabrication de composes dinitriles |
DE10323803A1 (de) * | 2003-04-22 | 2004-11-11 | Basf Ag | Verfahren zur Isomerisierung von cis-2-Pentennitril zu trans-3-Pentennitril |
FR2854891B1 (fr) | 2003-05-12 | 2006-07-07 | Rhodia Polyamide Intermediates | Procede de preparation de dinitriles |
FR2854892B1 (fr) | 2003-05-12 | 2005-06-24 | Rhodia Polyamide Intermediates | Procede de fabrication de dinitriles |
DE102004004717A1 (de) * | 2004-01-29 | 2005-08-18 | Basf Ag | Homogene Isomerisierung von cis-2-Pentennitril zu 3-Pentennitril |
DE102004004721A1 (de) * | 2004-01-29 | 2005-08-18 | Basf Ag | Verfahren zur Trennung von Pentennitril-Isomeren |
DE102004004683A1 (de) | 2004-01-29 | 2005-08-18 | Basf Ag | Verfahren zur Herstellung von Dinitrilen |
EP2395010B1 (fr) | 2006-03-17 | 2016-07-13 | Invista Technologies S.à.r.l. | Procédé pour la purification de triorganophosphites par traitement avec un additif basique |
US7659422B2 (en) * | 2006-07-14 | 2010-02-09 | Invista North America S.A.R.L. | Hydrocyanation process with reduced yield losses |
US7709674B2 (en) | 2006-07-14 | 2010-05-04 | Invista North America S.A R.L | Hydrocyanation process with reduced yield losses |
US7919646B2 (en) | 2006-07-14 | 2011-04-05 | Invista North America S.A R.L. | Hydrocyanation of 2-pentenenitrile |
CN101918356B (zh) | 2008-01-15 | 2013-09-25 | 因温斯特技术公司 | 戊烯腈的氢氰化 |
US8772527B2 (en) | 2012-04-27 | 2014-07-08 | Basf Se | Process for isomerization of cis-2-pentenenitrile to 3-pentenenitriles |
EP3022172B1 (fr) | 2013-07-17 | 2018-10-17 | INVISTA Textiles (U.K.) Limited | Séparation d'un solvant d'un catalyseur au nickel par distillation |
CN103804227B (zh) * | 2014-02-17 | 2016-02-10 | 重庆中平紫光科技发展有限公司 | 一种烯腈混合液直接异构化合成2-甲基-2-丁烯腈的方法 |
CN109651195B (zh) * | 2019-01-08 | 2021-08-24 | 安徽省安庆市曙光化工股份有限公司 | 2-戊烯腈异构化反应生成3-戊烯腈的方法 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3517046A (en) * | 1966-07-12 | 1970-06-23 | Asahi Chemical Ind | Process for isomerizing cis-1,2-dicyanocyclobutane |
US3526654A (en) * | 1968-05-17 | 1970-09-01 | Du Pont | Isomerization of 2-pentenenitrile to 3-pentenenitrile |
NL7002580A (fr) * | 1969-03-03 | 1970-09-07 | ||
US3538142A (en) * | 1969-08-04 | 1970-11-03 | Du Pont | Process of isomerizing 3-pentenenitrile to 4-pentenenitrile |
NL7017965A (fr) * | 1969-12-17 | 1971-06-21 |
-
1973
- 1973-08-29 US US00392515A patent/US3852325A/en not_active Expired - Lifetime
-
1974
- 1974-08-27 JP JP49097610A patent/JPS5050319A/ja active Pending
- 1974-08-27 CA CA208,036A patent/CA1021350A/en not_active Expired
- 1974-08-28 NL NL7411458A patent/NL7411458A/xx not_active Application Discontinuation
- 1974-08-28 GB GB3760774A patent/GB1436511A/en not_active Expired
- 1974-08-28 DE DE2441257A patent/DE2441257A1/de active Pending
- 1974-08-28 IT IT26688/74A patent/IT1020256B/it active
- 1974-08-28 FR FR7429408A patent/FR2242376B1/fr not_active Expired
- 1974-08-28 BE BE147959A patent/BE819265A/fr not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
FR2242376A1 (fr) | 1975-03-28 |
IT1020256B (it) | 1977-12-20 |
DE2441257A1 (de) | 1975-03-06 |
GB1436511A (en) | 1976-05-19 |
US3852325A (en) | 1974-12-03 |
NL7411458A (nl) | 1975-03-04 |
CA1021350A (en) | 1977-11-22 |
JPS5050319A (fr) | 1975-05-06 |
FR2242376B1 (fr) | 1979-01-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE | Patent lapsed |
Owner name: E.I. DU PONT DE NEMOURS AND CY Effective date: 19860831 |