DE2745729C3 - Isomerisierungsverfahren - Google Patents

Isomerisierungsverfahren

Info

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
Application number
DE2745729A
Other languages
German (de)
English (en)
Other versions
DE2745729A1 (de
DE2745729B2 (de
Inventor
Geoffrey Michael Alfred Luton Bedfordshire Leeder
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
F Hoffmann La Roche AG
Original Assignee
F Hoffmann La Roche AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by F Hoffmann La Roche AG filed Critical F Hoffmann La Roche AG
Publication of DE2745729A1 publication Critical patent/DE2745729A1/de
Publication of DE2745729B2 publication Critical patent/DE2745729B2/de
Application granted granted Critical
Publication of DE2745729C3 publication Critical patent/DE2745729C3/de
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07FACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F9/00Compounds containing elements of Groups 5 or 15 of the Periodic Table
    • C07F9/02Phosphorus compounds
    • C07F9/547Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom
    • C07F9/6564Heterocyclic 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
    • C07F9/6568Heterocyclic 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
    • C07F9/65688Heterocyclic 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
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07FACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F9/00Compounds containing elements of Groups 5 or 15 of the Periodic Table
    • C07F9/02Phosphorus compounds
    • C07F9/28Phosphorus compounds with one or more P—C bonds
    • C07F9/54Quaternary phosphonium compounds
    • C07F9/5428Acyclic 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)
DE2745729A 1976-10-14 1977-10-11 Isomerisierungsverfahren Expired DE2745729C3 (de)

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 (enExample)
JP (1) JPS5350143A (enExample)
AT (1) AT364854B (enExample)
BE (1) BE859684A (enExample)
CH (1) CH627760A5 (enExample)
DE (1) DE2745729C3 (enExample)
FR (1) FR2367771A1 (enExample)
GB (1) GB1598424A (enExample)
IT (1) IT1143681B (enExample)
NL (1) NL189565C (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
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
CN104583223B (zh) * 2012-08-17 2017-04-12 巴斯夫欧洲公司 烯属化合物的异构化
US9221854B2 (en) * 2012-08-17 2015-12-29 Basf Se Isomerization of olefinic compounds
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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE570857A (enExample) * 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

Also Published As

Publication number Publication date
JPS5350143A (en) 1978-05-08
AT364854B (de) 1981-11-25
ATA732977A (de) 1981-04-15
JPS627198B2 (enExample) 1987-02-16
BE859684A (fr) 1978-04-13
IT1143681B (it) 1986-10-22
FR2367771A1 (fr) 1978-05-12
NL189565C (nl) 1993-05-17
CH627760A5 (de) 1982-01-29
DE2745729A1 (de) 1978-04-20
NL7709844A (nl) 1978-04-18
US4134922A (en) 1979-01-16
DE2745729B2 (de) 1981-06-11
GB1598424A (en) 1981-09-23
FR2367771B1 (enExample) 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