DK109984C - Fremgangsmåde til fremstilling af 4-halogen-2-formylbuten-(2) eller et acetal eller et acylat heraf. - Google Patents

Fremgangsmåde til fremstilling af 4-halogen-2-formylbuten-(2) eller et acetal eller et acylat heraf.

Info

Publication number
DK109984C
DK109984C DK248863AA DK248863A DK109984C DK 109984 C DK109984 C DK 109984C DK 248863A A DK248863A A DK 248863AA DK 248863 A DK248863 A DK 248863A DK 109984 C DK109984 C DK 109984C
Authority
DK
Denmark
Prior art keywords
formylbutene
acylate
acetal
halo
preparation
Prior art date
Application number
DK248863AA
Other languages
English (en)
Inventor
Herwig Freyschlag
Horst Pommer
Werner Reif
Original Assignee
Basf Ag
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 Basf Ag filed Critical Basf Ag
Application granted granted Critical
Publication of DK109984C publication Critical patent/DK109984C/da

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C47/00Compounds having —CHO groups
    • C07C47/20Unsaturated compounds having —CHO groups bound to acyclic carbon atoms
    • C07C47/24Unsaturated compounds having —CHO groups bound to acyclic carbon atoms containing halogen
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/51Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition
    • C07C45/511Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition involving transformation of singly bound oxygen functional groups to >C = O groups
    • C07C45/515Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition involving transformation of singly bound oxygen functional groups to >C = O groups the singly bound functional group being an acetalised, ketalised hemi-acetalised, or hemi-ketalised hydroxyl group
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/51Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition
    • C07C45/54Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition of compounds containing doubly bound oxygen atoms, e.g. esters
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/61Preparation 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
    • C07C45/63Preparation 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 introduction of halogen; by substitution of halogen atoms by other halogen atoms

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
DK248863AA 1962-06-01 1963-05-25 Fremgangsmåde til fremstilling af 4-halogen-2-formylbuten-(2) eller et acetal eller et acylat heraf. DK109984C (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEB67508A DE1169438B (de) 1962-06-01 1962-06-01 Verfahren zur Herstellung von Derivaten des ªÏ-Hydroxytiglinaldehyds

Publications (1)

Publication Number Publication Date
DK109984C true DK109984C (da) 1968-08-19

Family

ID=6975545

Family Applications (1)

Application Number Title Priority Date Filing Date
DK248863AA DK109984C (da) 1962-06-01 1963-05-25 Fremgangsmåde til fremstilling af 4-halogen-2-formylbuten-(2) eller et acetal eller et acylat heraf.

Country Status (7)

Country Link
US (1) US3347930A (da)
AT (1) AT244319B (da)
CH (1) CH421925A (da)
DE (1) DE1169438B (da)
DK (1) DK109984C (da)
GB (1) GB1037751A (da)
NL (1) NL293508A (da)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1188577B (de) * 1963-08-23 1965-03-11 Basf Ag Verfahren zur Herstellung von omega-Chlor bzw. omega-Bromtiglinaldehyd, deren AcetaleAcylaten
BE757670A (fr) * 1969-10-18 1971-04-19 Basf Ag Procede pour la preparation de 2-methyl-4-halogeno-but-2- en-1-als
US4079076A (en) * 1975-04-09 1978-03-14 Hoffmann-La Roche, Inc. Novel cyano compounds
US4288635A (en) * 1980-05-23 1981-09-08 J. T. Baker Chemical Co. Method for the preparation of (E)-4-bromo-2-methylbut-2-en-1-al

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2274611A (en) * 1940-05-23 1942-02-24 Commercial Solvents Corp Production of chloroisoprene
US2783258A (en) * 1951-11-08 1957-02-26 Pfizer & Co C Unsaturated organic compounds and their preparation

Also Published As

Publication number Publication date
AT244319B (de) 1965-12-27
NL293508A (da)
US3347930A (en) 1967-10-17
GB1037751A (en) 1966-08-03
CH421925A (de) 1966-10-15
DE1169438B (de) 1964-05-06

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