AT235832B - Process for the preparation of new thiophene compounds - Google Patents

Process for the preparation of new thiophene compounds

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Publication number
AT235832B
AT235832B AT793862A AT793862A AT235832B AT 235832 B AT235832 B AT 235832B AT 793862 A AT793862 A AT 793862A AT 793862 A AT793862 A AT 793862A AT 235832 B AT235832 B AT 235832B
Authority
AT
Austria
Prior art keywords
group
preparation
carbon atoms
salts
compound
Prior art date
Application number
AT793862A
Other languages
German (de)
Original Assignee
Degussa
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 Degussa filed Critical Degussa
Application granted granted Critical
Publication of AT235832B publication Critical patent/AT235832B/en

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  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Plural Heterocyclic Compounds (AREA)

Description

  

   <Desc/Clms Page number 1> 
 
 EMI1.1 
 
 EMI1.2 
 
 EMI1.3 
 
 EMI1.4 
 
 EMI1.5 
 
 EMI1.6 
 
 EMI1.7 
 

 <Desc/Clms Page number 2> 

 worin Alk2,   Alk, R , R   und   R4.   die vorstehend angegebene Bedeutung haben, mit einer Verbindung der Formel III : 
 EMI2.1 
 umsetzt. Hiebei entsteht unter Anlagerung des Thienylrestes eine Thiophenverbindung der oben angegebenen allgemeinen Formel I. 



   Die so erhaltenen Basen können mit Hilfe von anorganischen oder organischen Säuren in die entsprechenden Salze übergeführt werden. Man kann auch mit Hilfe von Alkalihalogeniden oder andern Alkylsäurederivaten die entsprechenden quartären Salze gewinnen.'
Die neuen Verbindungen und ihre Salze haben wertvolle zentralstimulierende und coronarerweiternde Eigenschaften. 



   Beispiel : Eine   Lösung von 12, 8   g Butyllithium (0,2 Mol) in 20 ml absolutem Äther wird auf 15 C gekühlt. Dann lässt man 8, 4 g Thiophen (0, 1 Mol) bei dieser Temperatur zutropfen. Nach 1/2 h wird auf   5 C   gekühlt und es werden 26, 7 g (0, 1 Mol) 2-{N-[3' Phenyl-3'-oxo-propyl-(1')]}-amino-3-phenyl- - propan in Äther zugegeben. Nach der Zugabe wird noch 1 h lang gerührt und dann   unter Kühlung   mit wässeriger Ammoniumchloridlösung zersetzt. Die Ätherschicht wird getrennt und in üblicher Weise aufgearbeitet. Das entstandene   2-   {N-[3'-Phenyl-3'-thienyl-3'-hydroxy-propyl-(1')]}-amino-3-henyl-propan hat einen Siedepunkt von 235 bis 241 C bei 2 mm Vakuum. Die Base bildet ein Hydrochlorid vom Schmelzpunkt 190 C.



   <Desc / Clms Page number 1>
 
 EMI1.1
 
 EMI1.2
 
 EMI1.3
 
 EMI1.4
 
 EMI1.5
 
 EMI1.6
 
 EMI1.7
 

 <Desc / Clms Page number 2>

 wherein Alk2, Alk, R, R and R4. have the meaning given above, with a compound of the formula III:
 EMI2.1
 implements. A thiophene compound of the above general formula I is formed with addition of the thienyl radical.



   The bases obtained in this way can be converted into the corresponding salts with the aid of inorganic or organic acids. The corresponding quaternary salts can also be obtained with the aid of alkali halides or other alkyl acid derivatives.
The new compounds and their salts have valuable central stimulating and coronary expanding properties.



   Example: A solution of 12.8 g of butyllithium (0.2 mol) in 20 ml of absolute ether is cooled to 15 ° C. Then 8.4 g of thiophene (0.1 mol) are added dropwise at this temperature. After 1/2 h the mixture is cooled to 5 ° C. and 26.7 g (0.1 mol) of 2- {N- [3 'phenyl-3'-oxo-propyl- (1')]} - amino-3 are obtained -phenyl- - propane in ether added. After the addition, the mixture is stirred for a further 1 hour and then decomposed with aqueous ammonium chloride solution while cooling. The ether layer is separated and worked up in the usual way. The resulting 2- {N- [3'-phenyl-3'-thienyl-3'-hydroxypropyl- (1 ')]} - amino-3-henyl-propane has a boiling point of 235 to 241 ° C. at 2 mm Vacuum. The base forms a hydrochloride with a melting point of 190 C.

 

Claims (1)

PATENTANSPRUCH : Verfahren zur Herstellung neuer Thiophenverbindungen der allgemeinen Formel I : EMI2.2 worin Alk1 eine gerade oder verzweigte gesättigte Alkylengruppe mit 1-4 Kohlenstoffatomen, bei wel- cher mindestens 2 Kohlenstoffatome die Kette zwischen der Gruppe-C-OH und der Gruppe NR bilden, Alkz eine gerade oder verzweigte, gesättigte niedere Alkylengruppe mit mindestens 2 Kohlenstoff- atomen als Kette zwischen der Gruppe #NR4 und dem Phenylrest, R und Rs gleich oder verschieden sind und Wasserstoff, Halogen, eine Hydroxylgruppe oder eine Alkoxygruppe und R* Wasserstoff oder eine niedere Alkylgruppe bedeuten, sowie ihrer Salze oder quartären Verbindungen, dadurch gekennzeichnet, dass man eine Verbindung der Formel II : PATENT CLAIM: Process for the preparation of new thiophene compounds of the general formula I: EMI2.2 wherein Alk1 is a straight or branched, saturated alkylene group with 1-4 carbon atoms, in which at least 2 carbon atoms form the chain between the group -C-OH and the group NR, Alkz a straight or branched, saturated lower alkylene group with at least 2 carbon atoms atoms as a chain between the group # NR4 and the phenyl radical, R and Rs are identical or different and are hydrogen, halogen, a hydroxyl group or an alkoxy group and R * is hydrogen or a lower alkyl group, and their salts or quaternary compounds, characterized in that a compound of formula II: <Desc/Clms Page number 3> EMI3.1 worin Alk1, Alk2, R2, R3 und R4 die oben angegebene Bedeutung haben, mit einer Verbindung der Formel III EMI3.2 umsetzt, worauf man die so erhaltenen Basen gegebenenfalls in ihre Salze oder quartären Verbindungen überführt. <Desc / Clms Page number 3> EMI3.1 wherein Alk1, Alk2, R2, R3 and R4 have the meanings given above, with a compound of the formula III EMI3.2 reacted, whereupon the bases thus obtained are optionally converted into their salts or quaternary compounds.
AT793862A 1961-11-10 1962-10-08 Process for the preparation of new thiophene compounds AT235832B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE235832T 1961-11-10

Publications (1)

Publication Number Publication Date
AT235832B true AT235832B (en) 1964-09-25

Family

ID=29722429

Family Applications (1)

Application Number Title Priority Date Filing Date
AT793862A AT235832B (en) 1961-11-10 1962-10-08 Process for the preparation of new thiophene compounds

Country Status (1)

Country Link
AT (1) AT235832B (en)

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