FR1237741A - Procédé de préparation de vitamine a - Google Patents

Procédé de préparation de vitamine a

Info

Publication number
FR1237741A
FR1237741A FR795538A FR795538A FR1237741A FR 1237741 A FR1237741 A FR 1237741A FR 795538 A FR795538 A FR 795538A FR 795538 A FR795538 A FR 795538A FR 1237741 A FR1237741 A FR 1237741A
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
FR795538A
Other languages
English (en)
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.)
Nopco Chemical Co
Original Assignee
Nopco Chemical Co
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 Nopco Chemical Co filed Critical Nopco Chemical Co
Priority to FR795538A priority Critical patent/FR1237741A/fr
Application granted granted Critical
Publication of FR1237741A publication Critical patent/FR1237741A/fr
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/61—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups
    • C07C45/67—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton
    • C07C45/68—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms
    • C07C45/72—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms by reaction of compounds containing >C = O groups with the same or other compounds containing >C = O groups
    • C07C45/75—Reactions with formaldehyde
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
    • C07C29/36—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring increasing the number of carbon atoms by reactions with formation of hydroxy groups, which may occur via intermediates being derivatives of hydroxy, e.g. O-metal
    • C07C29/38—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring increasing the number of carbon atoms by reactions with formation of hydroxy groups, which may occur via intermediates being derivatives of hydroxy, e.g. O-metal by reaction with aldehydes or ketones
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/27—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation
    • C07C45/29—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation of hydroxy groups

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
FR795538A 1959-05-25 1959-05-25 Procédé de préparation de vitamine a Expired FR1237741A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR795538A FR1237741A (fr) 1959-05-25 1959-05-25 Procédé de préparation de vitamine a

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR795538A FR1237741A (fr) 1959-05-25 1959-05-25 Procédé de préparation de vitamine a

Publications (1)

Publication Number Publication Date
FR1237741A true FR1237741A (fr) 1960-08-05

Family

ID=8715152

Family Applications (1)

Application Number Title Priority Date Filing Date
FR795538A Expired FR1237741A (fr) 1959-05-25 1959-05-25 Procédé de préparation de vitamine a

Country Status (1)

Country Link
FR (1) FR1237741A (fr)

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