CH143250A - Process for the preparation of a compound with a hydrogenated ring system. - Google Patents

Process for the preparation of a compound with a hydrogenated ring system.

Info

Publication number
CH143250A
CH143250A CH143250DA CH143250A CH 143250 A CH143250 A CH 143250A CH 143250D A CH143250D A CH 143250DA CH 143250 A CH143250 A CH 143250A
Authority
CH
Switzerland
Prior art keywords
preparation
compound
ring system
hydrogenated ring
aldehyde
Prior art date
Application number
Other languages
German (de)
Inventor
Aktiengesellsc Farbenindustrie
Original Assignee
Ig Farbenindustrie 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 Ig Farbenindustrie Ag filed Critical Ig Farbenindustrie Ag
Publication of CH143250A publication Critical patent/CH143250A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C47/00—Compounds having —CHO groups
    • C07C47/38—Unsaturated compounds having —CHO groups bound to carbon atoms of rings other than six—membered aromatic rings
    • C07C47/42—Unsaturated compounds having —CHO groups bound to carbon atoms of rings other than six—membered aromatic rings with a six-membered ring
    • 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
    • C07C45/69—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 addition to carbon-to-carbon double or triple bonds

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Description

  

  Verfahren zur Darstellung einer Verbindung mit hydriertem     Ringsystem.       Gegenstand dieses Zusatzpatentes ist ein  Verfahren zur Darstellung eines neuen     hydro-          aromatischen    Aldehyds, welches dadurch ge  kennzeichnet ist, dass man     1-DZethyl-hesatrien-          (1.3.5)    mit     Crotonaldehyd    kondensiert. Die  neue Verbindung soll zur Herstellung von       Farbstoffen,    pharmazeutischen Produkten und       Riechstoffen    verwendet werden.  



  <I>Beispiel:</I>  94 Gewichtsteile 1-     Methyl    -     hexatrieii      (1.3.5) und 70 Gewichtsteile     Orotonaldehyd     werden in einem     Druckgefäss    vier Stunden  auf 160   C erhitzt. Der unveränderte     Kohlen-          wasserstoff    und     Grotonaldehyd    werden darauf  bei gewöhnlichem Druck     abdestilliert.    Hierauf  erhält man bei der Destillation im Vakuum  eine Fraktion vom Siedepunkt Kp.     l9    90 bis    145   C. Diese wird der Reinigung über die       Bisulfitverbindung    unterzogen.

   Man erhält so  eine     einheitliehe    Fraktion vom Siedepunkt  Kp.     ,.1    94-95   C. Sie stellt ein wasserhelles,  bewegliches 01 dar.



  Process for the preparation of a compound with a hydrogenated ring system. The subject of this additional patent is a process for the preparation of a new hydroaromatic aldehyde, which is characterized in that 1-DZethyl-hesatriene- (1.3.5) is condensed with crotonaldehyde. The new compound is intended to be used in the manufacture of dyes, pharmaceutical products and fragrances.



  <I> Example: </I> 94 parts by weight of 1-methyl hexatrieii (1.3.5) and 70 parts by weight of orotonaldehyde are heated to 160 C for four hours in a pressure vessel. The unchanged hydrocarbon and grotonaldehyde are then distilled off at normal pressure. A fraction with a boiling point of bp 19 90 to 145 C. is then obtained in the distillation in vacuo. This fraction is subjected to purification using the bisulfite compound.

   This gives a uniform fraction with a boiling point of bp. 94-95 C. It represents a water-white, mobile 01.

Claims (1)

PATENTANSPRUCH: Verfahren zur Darstellung eines neuen hydroaromatischen Aldehyds, dadurch ge kennzeichnet, dass man 1-Methyl-hexatrien- (1.3.5) mit Orotonaldehyd kondensiert. Der Aldehyd siedet bei Kp. 11 94-95 C und stellt ein wasserhelles, bewegliches 01 dar. PATENT CLAIM: Process for the preparation of a new hydroaromatic aldehyde, characterized in that 1-methyl-hexatriene- (1.3.5) is condensed with orotonaldehyde. The aldehyde boils at bp 11 94-95 C and is a water-white, mobile 01.
CH143250D 1929-01-07 1929-01-07 Process for the preparation of a compound with a hydrogenated ring system. CH143250A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH143250T 1929-01-07
CH141523T 1930-08-15

Publications (1)

Publication Number Publication Date
CH143250A true CH143250A (en) 1930-10-31

Family

ID=25713716

Family Applications (1)

Application Number Title Priority Date Filing Date
CH143250D CH143250A (en) 1929-01-07 1929-01-07 Process for the preparation of a compound with a hydrogenated ring system.

Country Status (1)

Country Link
CH (1) CH143250A (en)

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