CH478786A - Verfahren zur Herstellung eines Vitamin-A-aktiven Isomerengemisches - Google Patents

Verfahren zur Herstellung eines Vitamin-A-aktiven Isomerengemisches

Info

Publication number
CH478786A
CH478786A CH416365A CH416365A CH478786A CH 478786 A CH478786 A CH 478786A CH 416365 A CH416365 A CH 416365A CH 416365 A CH416365 A CH 416365A CH 478786 A CH478786 A CH 478786A
Authority
CH
Switzerland
Prior art keywords
vitamin
preparation
isomer mixture
active isomer
active
Prior art date
Application number
CH416365A
Other languages
English (en)
Inventor
Anthony Kardys Joseph
Original Assignee
Pfizer & Co C
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 Pfizer & Co C filed Critical Pfizer & Co C
Priority to CH764467A priority Critical patent/CH504428A/de
Publication of CH478786A publication Critical patent/CH478786A/de

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
    • C07C403/08—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 hydroxy groups
    • 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
    • C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
    • C07B2200/00—Indexing scheme relating to specific properties of organic compounds
    • C07B2200/09—Geometrical isomers
    • 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)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
CH416365A 1964-04-24 1965-03-25 Verfahren zur Herstellung eines Vitamin-A-aktiven Isomerengemisches CH478786A (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CH764467A CH504428A (de) 1964-04-24 1967-05-30 Verfahren zur Herstellung eines Vitamin-A-aktiven Isomerengemisches

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US36306564A 1964-04-24 1964-04-24
US592748A US3384633A (en) 1964-04-24 1966-11-08 Process for the isomerization of vitamin a and esters thereof

Publications (1)

Publication Number Publication Date
CH478786A true CH478786A (de) 1969-09-30

Family

ID=27001884

Family Applications (1)

Application Number Title Priority Date Filing Date
CH416365A CH478786A (de) 1964-04-24 1965-03-25 Verfahren zur Herstellung eines Vitamin-A-aktiven Isomerengemisches

Country Status (5)

Country Link
US (1) US3384633A (de)
CH (1) CH478786A (de)
DE (2) DE1468798B1 (de)
GB (2) GB1176244A (de)
NL (2) NL143914B (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH605724A5 (de) * 1974-11-12 1978-10-13 Hoffmann La Roche
US5908957A (en) * 1997-02-14 1999-06-01 Roche Vitamins Inc. Isomerization process
US20120283469A1 (en) * 2011-05-03 2012-11-08 Erman Mark B Interconversion between isomeric p-menthane-3-carboxylic acids
CN114957069B (zh) * 2022-06-17 2023-10-20 上海博纳赛恩医药研发有限公司 制备全反式维生素a醋酸酯的方法

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2628249A (en) * 1951-01-03 1953-02-10 Pittsburgh Coke & Chemical Co Esterification process
US2700022A (en) * 1952-07-15 1955-01-18 California Research Corp Sugar ester-containing lubricant compositions
FR1249204A (fr) * 1954-10-18 1960-12-30 Pfizer & Co C Perfectionnements apportés aux procédés pour la préparation de dérivés de vitamines
US2948716A (en) * 1956-04-12 1960-08-09 Trevor C M Davis Purification of sugar esters
US2868781A (en) * 1956-04-23 1959-01-13 Monsanto Chemicals Carbohydrate esters of carboxylic acids and methods of preparing same
US2954372A (en) * 1956-11-16 1960-09-27 Leo J Novak Higher fatty acid esters of dextran
US2979445A (en) * 1957-02-11 1961-04-11 California Research Corp Process for converting cis-ethylenic compounds to their trans-isomers
US3054789A (en) * 1959-02-06 1962-09-18 Ledoga Spa Process for the preparation of pure sucrose esters
DE1117111B (de) * 1960-04-16 1961-11-16 Basf Ag Verfahren zur Herstellung von Vitamin A-alkohol
DE1156799B (de) * 1961-09-08 1963-11-07 Sumitomo Chemical Co Verfahren zur Herstellung von Vitamin A-Saeureestern
US3136794A (en) * 1962-02-02 1964-06-09 Pfizer & Co C Stabilization of iodine isomerized vitamin a esters
DE1159433B (de) * 1962-02-13 1963-12-19 Sumitomo Chemical Co Verfahren zur Herstellung von Vitamin A-Estern
FR1345529A (fr) * 1963-01-28 1963-12-06 Pfizer & Co C Perfectionnements apportés aux procédés pour la stabilisation de la vitamine alpha et de ses esters isomérisés à l'aide d'iode
US3384634A (en) * 1964-07-13 1968-05-21 North American Sugar Ind Inc Purifying esters of polyhydric alcohols

Also Published As

Publication number Publication date
DE1618789B1 (de) 1972-07-06
NL6504287A (de) 1965-10-25
NL6707750A (de) 1968-05-09
US3384633A (en) 1968-05-21
NL143914B (nl) 1974-11-15
DE1468798B1 (de) 1970-03-26
GB1053574A (de)
GB1176244A (en) 1970-01-01

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Legal Events

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