CH296661A - Process for the preparation of a polyenaldehyde. - Google Patents

Process for the preparation of a polyenaldehyde.

Info

Publication number
CH296661A
CH296661A CH296661DA CH296661A CH 296661 A CH296661 A CH 296661A CH 296661D A CH296661D A CH 296661DA CH 296661 A CH296661 A CH 296661A
Authority
CH
Switzerland
Prior art keywords
polyenaldehyde
preparation
Prior art date
Application number
Other languages
German (de)
Inventor
F Hoffmann- Aktiengesellschaft
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
Priority claimed from DESCH17103A external-priority patent/DE973161C/en
Application filed by Hoffmann La Roche filed Critical Hoffmann La Roche
Publication of CH296661A publication Critical patent/CH296661A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C47/00—Compounds having —CHO groups
    • C07C47/20—Unsaturated compounds having —CHO groups bound to acyclic carbon atoms
    • C07C47/21—Unsaturated compounds having —CHO 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
    • 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
    • C07C45/74—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 combined with dehydration
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C47/00—Compounds having —CHO groups
    • C07C47/02—Saturated compounds having —CHO groups bound to acyclic carbon atoms or to hydrogen
    • 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)
CH296661D 1949-06-17 1951-04-12 Process for the preparation of a polyenaldehyde. CH296661A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE285759X 1949-06-17
DESCH17103A DE973161C (en) 1949-06-17 1949-07-23 Corset support
DE296661X 1950-04-21
DE250550X 1950-05-25

Publications (1)

Publication Number Publication Date
CH296661A true CH296661A (en) 1954-02-28

Family

ID=27431420

Family Applications (1)

Application Number Title Priority Date Filing Date
CH296661D CH296661A (en) 1949-06-17 1951-04-12 Process for the preparation of a polyenaldehyde.

Country Status (1)

Country Link
CH (1) CH296661A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1042576B (en) * 1954-01-18 1958-11-06 Hoffmann La Roche Process for the preparation of ª,ª-unsaturated aldehydes

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1042576B (en) * 1954-01-18 1958-11-06 Hoffmann La Roche Process for the preparation of ª,ª-unsaturated aldehydes

Similar Documents

Publication Publication Date Title
CH282655A (en) Process for the manufacture of a pesticide.
CH286336A (en) Process for the preparation of a derivative of 4,4'-diaminostilbene-disulfonic acid- (2,2 ').
CH283657A (en) Process for the preparation of a 3-substituted 4-oxycoumarin.
CH302490A (en) Process for the preparation of a polymer mixture.
CH269078A (en) Process for the preparation of a diaryl-butenylamine.
CH273782A (en) Process for the production of a vacuum hose.
CH286775A (en) Process for the preparation of a 2-tertiaryamino-6- (dialkylaminoalkoxy) -benzothiazole.
CH280725A (en) Process for the production of an intermediate product.
CH296661A (en) Process for the preparation of a polyenaldehyde.
CH287566A (en) Process for making a soap powder.
CH296665A (en) Process for the preparation of a polyenaldehyde.
CH299181A (en) Method of making a catalyst.
CH296479A (en) Process for the preparation of an anti-coagulant 3,3'-carbalkoxymethylene-bis- (4-oxycoumarin).
CH288023A (en) Process for the manufacture of a medicament.
CH286322A (en) Process for the preparation of a whitening agent.
CH286776A (en) Process for the preparation of a 2-tertiaryamino-6- (dialkylaminoalkoxy) -benzothiazole.
CH293693A (en) Process for the preparation of a new unsaturated ketone.
CH296933A (en) Process for the production of a thiosemicarbazone.
CH296932A (en) Process for the production of a thiosemicarbazone.
CH296931A (en) Process for the production of a thiosemicarbazone.
CH296930A (en) Process for the production of a thiosemicarbazone.
CH281133A (en) Process for the preparation of a monoazo dye.
CH278286A (en) Process for producing a nitroaldehyde.
CH289072A (en) Process for the preparation of a nitro dye.
CH279623A (en) Process for the preparation of a mixture of phenylchlorosilanes.