DE2733231C2 - - Google Patents

Info

Publication number
DE2733231C2
DE2733231C2 DE2733231A DE2733231A DE2733231C2 DE 2733231 C2 DE2733231 C2 DE 2733231C2 DE 2733231 A DE2733231 A DE 2733231A DE 2733231 A DE2733231 A DE 2733231A DE 2733231 C2 DE2733231 C2 DE 2733231C2
Authority
DE
Germany
Prior art keywords
reaction
acetate
vitamin
sulfate
solution
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
DE2733231A
Other languages
German (de)
English (en)
Other versions
DE2733231A1 (de
Inventor
Kuno Dr. Zollikerberg Ch Schleich
Hansjoerg Dr. Reinach Ch Stoller
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 DE2733231A1 publication Critical patent/DE2733231A1/de
Application granted granted Critical
Publication of DE2733231C2 publication Critical patent/DE2733231C2/de
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C403/00—Derivatives of cyclohexane or of a cyclohexene or of cyclohexadiene, having a side-chain containing an acyclic unsaturated part of at least four carbon atoms, this part being directly attached to the cyclohexane or cyclohexene or cyclohexadiene rings, e.g. vitamin A, beta-carotene, beta-ionone
    • C07C403/06—Derivatives of cyclohexane or of a cyclohexene or of cyclohexadiene, having a side-chain containing an acyclic unsaturated part of at least four carbon atoms, this part being directly attached to the cyclohexane or cyclohexene or cyclohexadiene rings, e.g. vitamin A, beta-carotene, beta-ionone having side-chains substituted by singly-bound oxygen atoms
    • C07C403/12—Derivatives of cyclohexane or of a cyclohexene or of cyclohexadiene, having a side-chain containing an acyclic unsaturated part of at least four carbon atoms, this part being directly attached to the cyclohexane or cyclohexene or cyclohexadiene rings, e.g. vitamin A, beta-carotene, beta-ionone having side-chains substituted by singly-bound oxygen atoms by esterified hydroxy groups
    • 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
    • C07F9/5435—Cycloaliphatic phosphonium compounds
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2601/00—Systems containing only non-condensed rings
    • C07C2601/12—Systems containing only non-condensed rings with a six-membered ring
    • C07C2601/16—Systems containing only non-condensed rings with a six-membered ring the ring being unsaturated

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)
DE19772733231 1976-07-26 1977-07-22 Verfahren zur herstellung von vitamin-a-acetat Granted DE2733231A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH952476A CH601219A5 (OSRAM) 1976-07-26 1976-07-26

Publications (2)

Publication Number Publication Date
DE2733231A1 DE2733231A1 (de) 1978-02-02
DE2733231C2 true DE2733231C2 (OSRAM) 1988-04-07

Family

ID=4352886

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19772733231 Granted DE2733231A1 (de) 1976-07-26 1977-07-22 Verfahren zur herstellung von vitamin-a-acetat

Country Status (10)

Country Link
US (1) US4254281A (OSRAM)
JP (1) JPS5953902B2 (OSRAM)
AT (1) AT354648B (OSRAM)
BE (1) BE857097A (OSRAM)
CH (1) CH601219A5 (OSRAM)
DE (1) DE2733231A1 (OSRAM)
FR (1) FR2359822A1 (OSRAM)
GB (1) GB1551497A (OSRAM)
IT (1) IT1143735B (OSRAM)
NL (1) NL190069C (OSRAM)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5759794A (en) * 1980-09-26 1982-04-10 Sharp Corp Feed quantity controller for printing paper
DE10359433A1 (de) * 2003-12-17 2005-07-21 Basf Ag Verfahren zur Herstellung von Vitamin A-Acetat
FR3085037B1 (fr) * 2018-08-20 2020-09-25 Adisseo France Sas Procede de synthese de la vitamine a
CN110903190B (zh) * 2019-12-09 2022-07-12 万华化学集团股份有限公司 一种维生素a及维生素a酯的制备方法
CN112876395B (zh) * 2021-01-15 2023-01-13 万华化学集团股份有限公司 一种维生素a醋酸酯的制备方法
CN113214126B (zh) * 2021-05-19 2023-07-25 万华化学集团股份有限公司 一种维生素a醋酸酯的制备方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1068705B (de) * 1959-11-12 Badische Anilin- & Soda-Fabrik Aktiengesellschaft, Ludwigshafen/Rhein Verfahren zur Herstellung von Verbindungen der /S-Ionyl'id'enäthyliden-Reihe
US2957933A (en) * 1957-06-08 1960-10-25 Basf Ag Production of compounds of the betacyclo-geranylidene series
BE570857A (OSRAM) * 1957-09-03
NL127397C (OSRAM) * 1965-12-18
BE755502A (fr) * 1969-09-09 1971-03-01 Basf Ag Bismonocarboxylates du formyl-3-butanediol-1,2 et procede pour leur preparation
US3671575A (en) * 1970-11-30 1972-06-20 Hoffmann La Roche Process for preparing vitamin a esters
US3932485A (en) * 1974-08-28 1976-01-13 Hoffmann-La Roche Inc. Improved preparation of Wittig salt of vinyl β-ionol
US4081470A (en) * 1975-08-22 1978-03-28 Hoffman-La Roche Inc. Manufacture of polyene compounds via a Wittig reaction in a two phase solvent system

Also Published As

Publication number Publication date
US4254281A (en) 1981-03-03
GB1551497A (en) 1979-08-30
NL7707391A (nl) 1978-01-30
FR2359822B1 (OSRAM) 1983-09-23
BE857097A (fr) 1978-01-25
JPS5953902B2 (ja) 1984-12-27
NL190069C (nl) 1993-10-18
JPS5315340A (en) 1978-02-13
DE2733231A1 (de) 1978-02-02
FR2359822A1 (fr) 1978-02-24
AT354648B (de) 1979-01-25
CH601219A5 (OSRAM) 1978-06-30
IT1143735B (it) 1986-10-22
NL190069B (nl) 1993-05-17
ATA538677A (de) 1979-06-15

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Legal Events

Date Code Title Description
OB Request for examination as to novelty
OC Search report available
8110 Request for examination paragraph 44
8128 New person/name/address of the agent

Representative=s name: LEDERER, F., DIPL.-CHEM. DR., PAT.-ANW., 8000 MUEN

D2 Grant after examination
8363 Opposition against the patent
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

8325 Change of the main classification

Ipc: C07C403/12

8331 Complete revocation