FR1169570A - Method for preparing vitamin a - Google Patents

Method for preparing vitamin a

Info

Publication number
FR1169570A
FR1169570A FR1169570DA FR1169570A FR 1169570 A FR1169570 A FR 1169570A FR 1169570D A FR1169570D A FR 1169570DA FR 1169570 A FR1169570 A FR 1169570A
Authority
FR
France
Prior art keywords
preparing vitamin
vitamin
preparing
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
Other languages
French (fr)
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR1169570A publication Critical patent/FR1169570A/en
Expired 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
    • C07C403/08—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
    • C07C403/14—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 doubly-bound oxygen atoms
    • 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
    • C07C403/18—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 nitrogen atoms
    • 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)
FR1169570D 1955-09-14 1956-09-12 Method for preparing vitamin a Expired FR1169570A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL813517X 1955-09-14

Publications (1)

Publication Number Publication Date
FR1169570A true FR1169570A (en) 1958-12-31

Family

ID=19838789

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1169570D Expired FR1169570A (en) 1955-09-14 1956-09-12 Method for preparing vitamin a

Country Status (4)

Country Link
DE (1) DE1041950B (en)
FR (1) FR1169570A (en)
GB (1) GB813517A (en)
NL (1) NL99527C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2623805A1 (en) * 1987-12-01 1989-06-02 Rhone Poulenc Sante PROCESS FOR THE PREPARATION OF VITAMIN A

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110950791B (en) * 2019-12-09 2021-12-14 万华化学集团股份有限公司 Vitamin A and preparation method of vitamin A ester

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE857952C (en) * 1950-07-12 1952-12-04 Philips Nv Process for the preparation of ª-ionylideneacetaldehyde
GB717904A (en) * 1949-07-16 1954-11-03 Philips Nv Improvements in or relating to methods of producing ª‰-ionylidene acetaldehyde
DE918987C (en) * 1950-11-25 1954-10-11 Eastman Kodak Co Process for the synthesis of vitamin A active compounds

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2623805A1 (en) * 1987-12-01 1989-06-02 Rhone Poulenc Sante PROCESS FOR THE PREPARATION OF VITAMIN A
EP0319407A1 (en) * 1987-12-01 1989-06-07 Rhone-Poulenc Sante Process for the preparation of vitamin A

Also Published As

Publication number Publication date
NL99527C (en)
GB813517A (en) 1959-05-21
DE1041950B (en) 1958-10-30

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