DK114686B - Fremgangsmåde til fremstilling af allencarboxylsyreestere. - Google Patents

Fremgangsmåde til fremstilling af allencarboxylsyreestere.

Info

Publication number
DK114686B
DK114686B DK203762AA DK203762A DK114686B DK 114686 B DK114686 B DK 114686B DK 203762A A DK203762A A DK 203762AA DK 203762 A DK203762 A DK 203762A DK 114686 B DK114686 B DK 114686B
Authority
DK
Denmark
Prior art keywords
allenecarboxylic
preparation
acid esters
esters
acid
Prior art date
Application number
DK203762AA
Other languages
English (en)
Inventor
Hoffmann La Roche & Co Ag F
Original Assignee
Hoffmann La Roche
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 Hoffmann La Roche filed Critical Hoffmann La Roche
Publication of DK114686B publication Critical patent/DK114686B/da

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D317/00—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms
    • C07D317/08—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3
    • C07D317/72—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 spiro-condensed with carbocyclic rings
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00—Preparation of carboxylic acid esters
    • C07C67/28—Preparation of carboxylic acid esters by modifying the hydroxylic moiety of the ester, such modification not being an introduction of an ester group
    • C07C67/293—Preparation of carboxylic acid esters by modifying the hydroxylic moiety of the ester, such modification not being an introduction of an ester group by isomerisation; by change of size of the carbon skeleton
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
    • C11B9/00—Essential oils; Perfumes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Wood Science & Technology (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
DK203762AA 1961-05-10 1962-05-04 Fremgangsmåde til fremstilling af allencarboxylsyreestere. DK114686B (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH551661A CH395965A (de) 1961-05-10 1961-05-10 Verfahren zur Herstellung von Allenestern

Publications (1)

Publication Number Publication Date
DK114686B true DK114686B (da) 1969-07-28

Family

ID=4294923

Family Applications (1)

Application Number Title Priority Date Filing Date
DK203762AA DK114686B (da) 1961-05-10 1962-05-04 Fremgangsmåde til fremstilling af allencarboxylsyreestere.

Country Status (5)

Country Link
US (1) US3211780A (da)
BE (1) BE617174A (da)
CH (1) CH395965A (da)
DK (1) DK114686B (da)
GB (1) GB949899A (da)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH421079A (de) * 1962-08-22 1966-09-30 Hoffmann La Roche Verfahren zur Herstellung eines Diols und von Derivaten desselben

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3057888A (en) * 1957-04-05 1962-10-09 Hoffmann La Roche Processes for and intermediates in the manufacture of unsaturated aldehydes and ketones

Also Published As

Publication number Publication date
GB949899A (en) 1964-02-19
US3211780A (en) 1965-10-12
CH395965A (de) 1965-07-31
BE617174A (fr) 1962-11-05

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