DE2745729C3 - Isomerisierungsverfahren - Google Patents
IsomerisierungsverfahrenInfo
- Publication number
- DE2745729C3 DE2745729C3 DE2745729A DE2745729A DE2745729C3 DE 2745729 C3 DE2745729 C3 DE 2745729C3 DE 2745729 A DE2745729 A DE 2745729A DE 2745729 A DE2745729 A DE 2745729A DE 2745729 C3 DE2745729 C3 DE 2745729C3
- Authority
- DE
- Germany
- Prior art keywords
- jonylidenäthyl
- cis
- trans
- mixture
- weight ratio
- 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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
- C07F9/02—Phosphorus compounds
- C07F9/547—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom
- C07F9/6564—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having phosphorus atoms, with or without nitrogen, oxygen, sulfur, selenium or tellurium atoms, as ring hetero atoms
- C07F9/6568—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having phosphorus atoms, with or without nitrogen, oxygen, sulfur, selenium or tellurium atoms, as ring hetero atoms having phosphorus atoms as the only ring hetero atoms
- C07F9/65688—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having phosphorus atoms, with or without nitrogen, oxygen, sulfur, selenium or tellurium atoms, as ring hetero atoms having phosphorus atoms as the only ring hetero atoms the ring phosphorus atom being part of a phosphonium compound
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
- C07F9/02—Phosphorus compounds
- C07F9/28—Phosphorus compounds with one or more P—C bonds
- C07F9/54—Quaternary phosphonium compounds
- C07F9/5428—Acyclic unsaturated phosphonium compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB42725/76A GB1598424A (en) | 1976-10-14 | 1976-10-14 | Isomerisation process for 9-cis-beta-ionylidenethyl-triarylphosphonium salts |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2745729A1 DE2745729A1 (de) | 1978-04-20 |
| DE2745729B2 DE2745729B2 (de) | 1981-06-11 |
| DE2745729C3 true DE2745729C3 (de) | 1982-04-22 |
Family
ID=10425701
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2745729A Expired DE2745729C3 (de) | 1976-10-14 | 1977-10-11 | Isomerisierungsverfahren |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US4134922A (https=) |
| JP (1) | JPS5350143A (https=) |
| AT (1) | AT364854B (https=) |
| BE (1) | BE859684A (https=) |
| CH (1) | CH627760A5 (https=) |
| DE (1) | DE2745729C3 (https=) |
| FR (1) | FR2367771A1 (https=) |
| GB (1) | GB1598424A (https=) |
| IT (1) | IT1143681B (https=) |
| NL (1) | NL189565C (https=) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19517422A1 (de) * | 1995-05-12 | 1996-11-14 | Basf Ag | Verfahren zur Herstellung von beta-Carotin-Präparaten mit hohem 9(Z)-Gehalt |
| DE19723480A1 (de) * | 1997-06-04 | 1998-12-10 | Basf Ag | Verfahren zur Herstellung von Zeaxanthin, Zwischenprodukte für dieses Verfahren und Verfahren zu deren Herstellung |
| US9221854B2 (en) * | 2012-08-17 | 2015-12-29 | Basf Se | Isomerization of olefinic compounds |
| KR102138561B1 (ko) * | 2012-08-17 | 2020-07-28 | 바스프 에스이 | 올레핀계 화합물의 이성질화 |
| CN111499662B (zh) * | 2020-04-26 | 2022-12-20 | 上海新华联制药有限公司 | 一种异维a酸c15-氯化三苯基膦及其制备方法和应用 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE570857A (https=) * | 1957-09-03 | |||
| US3517067A (en) * | 1964-02-11 | 1970-06-23 | Eastman Kodak Co | Syntheses of quaternary phosphonium salts |
| US3600473A (en) * | 1964-12-04 | 1971-08-17 | Hoffmann La Roche | Phosphate ester-beta-carotene precursors |
| GB1391806A (en) * | 1972-08-09 | 1975-04-23 | Roche Products Ltd | Phosphonium salts and a process for the preparation thereof |
-
1976
- 1976-10-14 GB GB42725/76A patent/GB1598424A/en not_active Expired
-
1977
- 1977-07-26 CH CH921777A patent/CH627760A5/de not_active IP Right Cessation
- 1977-09-07 NL NLAANVRAGE7709844,A patent/NL189565C/xx not_active IP Right Cessation
- 1977-09-07 JP JP10686277A patent/JPS5350143A/ja active Granted
- 1977-09-09 IT IT27418/77A patent/IT1143681B/it active
- 1977-09-26 US US05/836,877 patent/US4134922A/en not_active Expired - Lifetime
- 1977-10-11 FR FR7730517A patent/FR2367771A1/fr active Granted
- 1977-10-11 DE DE2745729A patent/DE2745729C3/de not_active Expired
- 1977-10-13 BE BE181706A patent/BE859684A/xx not_active IP Right Cessation
- 1977-10-13 AT AT0732977A patent/AT364854B/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DE2745729A1 (de) | 1978-04-20 |
| AT364854B (de) | 1981-11-25 |
| IT1143681B (it) | 1986-10-22 |
| US4134922A (en) | 1979-01-16 |
| FR2367771A1 (fr) | 1978-05-12 |
| NL189565C (nl) | 1993-05-17 |
| JPS627198B2 (https=) | 1987-02-16 |
| ATA732977A (de) | 1981-04-15 |
| GB1598424A (en) | 1981-09-23 |
| NL7709844A (nl) | 1978-04-18 |
| CH627760A5 (de) | 1982-01-29 |
| JPS5350143A (en) | 1978-05-08 |
| DE2745729B2 (de) | 1981-06-11 |
| BE859684A (fr) | 1978-04-13 |
| FR2367771B1 (https=) | 1981-10-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OB | Request for examination as to novelty | ||
| OC | Search report available | ||
| OD | Request for examination | ||
| C3 | Grant after two publication steps (3rd publication) | ||
| 8327 | Change in the person/name/address of the patent owner |
Owner name: F. HOFFMANN-LA ROCHE AG, BASEL, CH |
|
| 8328 | Change in the person/name/address of the agent |
Free format text: LEDERER, F., DIPL.-CHEM. DR., 8000 MUENCHEN RIEDERER FRHR. VON PAAR ZU SCHOENAU, A., DIPL.-ING., PAT.-ANWAELTE, 8300 LANDSHUT |