CH315582A - Procédé de préparation de cétones doublement non saturées - Google Patents

Procédé de préparation de cétones doublement non saturées

Info

Publication number
CH315582A
CH315582A CH315582DA CH315582A CH 315582 A CH315582 A CH 315582A CH 315582D A CH315582D A CH 315582DA CH 315582 A CH315582 A CH 315582A
Authority
CH
Switzerland
Prior art keywords
preparing
unsaturated ketones
doubly unsaturated
doubly
ketones
Prior art date
Application number
Other languages
English (en)
Inventor
Norman Lacey Richard
Original Assignee
Distillers Co Yeast Ltd
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 Distillers Co Yeast Ltd filed Critical Distillers Co Yeast Ltd
Publication of CH315582A publication Critical patent/CH315582A/fr

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
    • C07C403/14—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
    • C07C403/16—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 not being part of —CHO groups
    • 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
    • C07C45/62—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 hydrogenation of carbon-to-carbon double or triple bonds
    • 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
    • C07C45/673—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 change of size of the carbon skeleton
    • C07C45/676—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 change of size of the carbon skeleton by elimination of carboxyl groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C49/00—Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
    • C07C49/04—Saturated compounds containing keto groups bound to acyclic carbon atoms
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C49/00—Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
    • C07C49/20—Unsaturated compounds containing keto groups bound to acyclic carbon atoms
    • C07C49/203—Unsaturated compounds containing keto groups bound to acyclic carbon atoms with only carbon-to-carbon double bonds as unsaturation
    • 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)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
CH315582D 1952-04-15 1953-04-09 Procédé de préparation de cétones doublement non saturées CH315582A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB315582X 1952-04-15

Publications (1)

Publication Number Publication Date
CH315582A true CH315582A (fr) 1956-08-31

Family

ID=10324906

Family Applications (1)

Application Number Title Priority Date Filing Date
CH315582D CH315582A (fr) 1952-04-15 1953-04-09 Procédé de préparation de cétones doublement non saturées

Country Status (3)

Country Link
CH (1) CH315582A (fr)
DE (1) DE1021355B (fr)
FR (1) FR1079129A (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1041039B (de) 1954-10-05 1958-10-16 Hoffmann La Roche Verfahren zur Herstellung von 3-Methyl-4-(2',6',6'-trimethylcyclo-hexenyl)-buten-(3)-on-(2) bzw. 3-Methyl-4-(2',5',6',6'-tetramethylcyclohexenyl)-buten-(3)-on-(2)
US2839579A (en) * 1956-06-27 1958-06-17 Hoffmann La Roche Process for the production of ketones
DE1078112B (de) * 1956-06-27 1960-03-24 Hoffmann La Roche Verfahren zur Herstellung von diolefinisch-ungesaettigten Ketonen

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE706322C (de) * 1936-05-08 1941-05-23 Carbide & Carbon Chem Corp Verfahren zur Herstellung von ?,ª‰-ungesaettigten Ketonen
DE717652C (de) * 1939-07-04 1942-02-19 Ig Farbenindustrie Ag Verfahren zur Herstellung von Acetessigestern

Also Published As

Publication number Publication date
FR1079129A (fr) 1954-11-25
DE1021355B (de) 1957-12-27

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