CH487853A - Process for the preparation of basic substituted phenylacetonitriles - Google Patents

Process for the preparation of basic substituted phenylacetonitriles

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Publication number
CH487853A
CH487853A CH56470A CH5647066A CH487853A CH 487853 A CH487853 A CH 487853A CH 56470 A CH56470 A CH 56470A CH 5647066 A CH5647066 A CH 5647066A CH 487853 A CH487853 A CH 487853A
Authority
CH
Switzerland
Prior art keywords
molecular weight
low molecular
formula
radical
preparation
Prior art date
Application number
CH56470A
Other languages
German (de)
Inventor
Hans-Joerg Dr Treiber
Ferdinand Dr Dengel
Original Assignee
Knoll 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 Knoll Ag filed Critical Knoll Ag
Priority claimed from CH1079566A external-priority patent/CH497389A/en
Publication of CH487853A publication Critical patent/CH487853A/en

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Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C255/00Carboxylic acid nitriles
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D317/00Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms
    • C07D317/08Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3
    • C07D317/44Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 ortho- or peri-condensed with carbocyclic rings or ring systems
    • C07D317/46Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 ortho- or peri-condensed with carbocyclic rings or ring systems condensed with one six-membered ring
    • C07D317/48Methylenedioxybenzenes or hydrogenated methylenedioxybenzenes, unsubstituted on the hetero ring
    • C07D317/50Methylenedioxybenzenes or hydrogenated methylenedioxybenzenes, unsubstituted on the hetero ring with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to atoms of the carbocyclic ring
    • C07D317/60Radicals substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals

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

Description

  

  Verfahren zur Herstellung basisch substituierter Phenylacetonitrile    Nach einem nicht zum Stand der     Technik    gehören  den Verfahren werden basisch substituierte     Phenylaceto-          nitrile    der Formel 1 (s. Formelnblatt) hergestellt, in  welcher A, B und C Wasserstoff- oder Halogenatome,  niedermolekulare Alkyl- bzw. Alkoxygruppen, wobei  in letzterem Falle zwei benachbarte Gruppen auch ge  meinsam eine Methylendioxydgruppe bilden können,  R einen niedermolekularen aliphatischen Rest, R1 einen  niedermolekularen Alkylrest, einen gesättigten oder un  gesättigten, cyclischen oder bicyclischen Kohlenwasser  stoffrest oder die Benzyl- bzw. Phenylgruppe, n die  Zahl 2, 3 oder 4 und m die Zahl 1, 2 oder 3 bedeutet.  



  Die vorliegende Erfindung     betrifft    nun ein Verfahren  zur Herstellung neuer basisch substituierter     Phenylaceto-          nitrile    der Formel 2 (s. Formelnblatt), worin die Ringe  1 und/oder 11 durch Halogenatome, niedermolekulare  Alkyl- bzw. Alkoxygruppen substituiert sein können,  wobei in letzterem Falle zwei benachbarte Gruppen  auch gemeinsam eine Methylendioxygruppe bilden kön  nen, und mindestens einer dieser Ringe die     Trifluor-          methylgruppe    trägt, R einen niedermolekularen ali  phatischen Rest, R, einen niedermolekularen Alkylrest,  einen cycloaliphatischen Kohlenwasserstoffrest oder die  gegebenenfalls mit CF@ substituierte Benzyl- bzw.

   Phe  nylgruppe, n die Zahl 2, 3 oder 4 und m die Zahl 1, 2  oder 3 bedeutet.  



  Das     erfindungsgemässe    Verfahren ist dadurch ge  kennzeichnet, dass man ein Phenylacetonitril der For  mel 3 (s. Formelnblatt) mit einer Verbindung der Formel  R1X, worin X einen reaktionsfähigen Säurerest bedeutet,  umsetzt.  



  Die neuen Verbindungen besitzen bei niedriger     Toxi-          zität    signifikante coronardilatatorische Wirksamkeit und  sollen als Arzneimittel Verwendung finden. Von den Ver  bindungen der Patente Nrn. 1 154 810 und 1 158083  unterscheiden sie sich auch hinsichtlich der blutdruck  senkenden Eigenschaften. Versuche haben gezeigt, dass  die neuen Verbindungen den Durchfluss durch die    Coronargefässe und den Sauerstoffgehalt des venösen  Herzblutes erhöhen. ohne praktisch auf den Blutdruck  zu wirken. Die Erweiterung der Coronargefässe setzt bei  einer intravenösen Injektion von 0,03 mg/kg Körper  gewicht ein und wird bei 0,125 mg/kg ausgesprochen  kräftig.

   Die Wirkung übertrifft diejenige- von Papaverin,  Theophyllin und anderer coronarerweiternder Wirkstoffe  um das Mehrfache Dosierungen von 0.06-0,125 mg/kg  erhöhen die Durchflussmenge um 100 bis 300 ö: Es  zeigen sich keine schädlichen     Wirkungen    auf den     Herz-          Metabolismus    und auch keine toxische Nebenwirkungen.

      <I>Beispiel</I>       &alpha;-Isopropyl-&alpha;-[(N-methyl-N-homoveratryl)-          g&gamma;aminopropyl]-3-trifluormethylphenylacetonitril       Es werden 93,6 g (0,223 Mol)       &alpha;-[(N-Methyl-N-homoveratryl)-&gamma;-aminopropyl]-          3-trifluormethylphenylacetonitril     in 500 ml Toluol gelöst, 30.8 g (:0.25 Mol)     Isopropyl-          bromid    zugefügt und 32.5 g 30 .\;;

   ige     Natriumamid-          suspension    in Toluol bei 70= C langsam eingetropft.     An-          schliessend    hält man das Gemisch 3 Stunden im Sieden,       kühlt    ab, fügt 150 ml Wasser hinzu und schüttelt die  abgetrennte Toluolschicht noch zweimal mit Wasser aus.  Sie wird mit wasserfreiem Magnesiumsulfat getrocknet  das Toluol entfernt und der Rückstand fraktioniert.  Man erhält 89,5     e          &alpha;-Isopropyl-&alpha;-[(N-methyl-N-homoveratryl)-          &gamma;-aminopropyl]-3-trifluormethylphenylacetonitril     als gelbes zähes Öl. Ausbeute 87     ,'0;    der Theorie. Kp. 0,1  = 195 bis 200  C.

   Saures Oxalat F. = 158 bis 159" C.  



  Die Ausgangsverbindung wird hergestellt durch Kon  densation von 3-Trifluormethylphenylacetonitril und     N-          Methyl-N-homoveratryl2imino-;,-chlorpropan    in Gegen  wart von     Natriumamid.     



  Auf gleiche Weise wurden die nachfolgend be  schriebenen Verbindungen hergestellt (4, s.     Formelnblatt).  



  Process for the Production of Basically Substituted Phenylacetonitriles According to a process not belonging to the state of the art, base substituted phenylacetonitriles of the formula 1 (see formula sheet) are produced in which A, B and C are hydrogen or halogen atoms, low molecular weight alkyl or alkoxy groups In the latter case, two adjacent groups can also jointly form a methylenedioxide group, R a low molecular weight aliphatic radical, R1 a low molecular weight alkyl radical, a saturated or unsaturated, cyclic or bicyclic hydrocarbon radical or the benzyl or phenyl group, n the number 2 , 3 or 4 and m is the number 1, 2 or 3.



  The present invention now relates to a process for the preparation of new basic substituted phenylacetonitriles of the formula 2 (see formula sheet), in which rings 1 and / or 11 can be substituted by halogen atoms, low molecular weight alkyl or alkoxy groups, two in the latter case Adjacent groups can also jointly form a methylenedioxy group, and at least one of these rings carries the trifluoromethyl group, R a low molecular weight aliphatic radical, R a low molecular weight alkyl radical, a cycloaliphatic hydrocarbon radical or the benzyl or optionally substituted with CF @.

   Phenylgruppe, n is the number 2, 3 or 4 and m is the number 1, 2 or 3.



  The process according to the invention is characterized in that a phenylacetonitrile of the formula 3 (see formula sheet) is reacted with a compound of the formula R1X, in which X is a reactive acid radical.



  The new compounds have a significant coronary dilatory activity with low toxicity and are intended to be used as medicaments. They also differ from the compounds of patents 1 154 810 and 1 158083 with regard to their antihypertensive properties. Tests have shown that the new compounds increase the flow through the coronary vessels and the oxygen content of the venous heart blood. without having any practical effect on blood pressure. The expansion of the coronary vessels begins with an intravenous injection of 0.03 mg / kg body weight and becomes extremely strong at 0.125 mg / kg.

   The effect exceeds that of papaverine, theophylline and other coronary-expanding active ingredients by multiple doses of 0.06-0.125 mg / kg increase the flow rate by 100 to 300 ö: There are no harmful effects on cardiac metabolism and also no toxic side effects.

      <I> Example </I> α-Isopropyl-α - [(N-methyl-N-homoveratryl) -g γ-aminopropyl] -3-trifluoromethylphenylacetonitrile 93.6 g (0.223 moles) α - [( N-methyl-N-homoveratryl) - γ-aminopropyl] -3-trifluoromethylphenylacetonitrile dissolved in 500 ml of toluene, 30.8 g (: 0.25 mol) of isopropyl bromide added and 32.5 g of 30. \ ;;

   Sodium amide suspension in toluene was slowly added dropwise at 70 ° C. The mixture is then kept at the boil for 3 hours, cooled, 150 ml of water are added and the separated toluene layer is extracted twice more with water. It is dried with anhydrous magnesium sulfate, the toluene is removed and the residue is fractionated. 89.5 e of α-isopropyl-α- [(N-methyl-N-homoveratryl) -γ-aminopropyl] -3-trifluoromethylphenylacetonitrile are obtained as a yellow, viscous oil. Yield 87, '0; the theory. Bp 0.1 = 195 to 200 C.

   Acid Oxalate F. = 158 to 159 "C.



  The starting compound is prepared by condensation of 3-trifluoromethylphenylacetonitrile and N-methyl-N-homoveratryl2imino -;, - chloropropane in the presence of sodium amide.



  The compounds described below were prepared in the same way (4, see formula sheet).

 

Claims (1)

PATENTANSPRUCH Verfahren zur Herstellung basisch substituierter Phe- nylacetonitrile der Formel 5 (s. Formelnblatt), worin die Ringe 1 und/oder 11 durch Halogenatome, niedermole kulare Alkyl- bzw. Alkoxygruppen substituiert sein kön nen, wobei in letzterem Falle zwei benachbarte Grup pen auch gemeinsam ein;; Methylendioxygruppe bilden können, und mindestens einer dieser Ringe die Trifluor- methylgruppe trägt, R einen niedermolekularen alipha tischen Rest, R; einen niedermolekularen Alkylrest, einen cycloaliphatischen Kohlenwasserstoffrest oder die gegebenenfalls mit CF3 substituierte Benzyl- bzw. PATENT CLAIM Process for the preparation of basic substituted phenylacetonitriles of the formula 5 (see formula sheet), in which rings 1 and / or 11 can be substituted by halogen atoms, low molecular weight alkyl or alkoxy groups, in the latter case two adjacent groups also together one ;; Can form methylenedioxy groups, and at least one of these rings carries the trifluoromethyl group, R a low molecular weight aliphatic radical, R; a low molecular weight alkyl radical, a cycloaliphatic hydrocarbon radical or the optionally substituted with CF3 benzyl or Phe nylgruppe, n die Zahl 2, 3 oder 4 und m die Zahl 1, oder 3 bedeutet, dadurch gekennzeichnet, dass man ein Phenylacetonitril der Formel 6 (s. Formelnblatt) mit einer Verbindung der Formel R1X, worin X einen reaktionsfähigen Säurerest bedeutet. Limsctzt. Phenyl group, n the number 2, 3 or 4 and m the number 1 or 3, characterized in that a phenylacetonitrile of the formula 6 (see formula sheet) with a compound of the formula R1X, in which X is a reactive acid radical. Limsctzt.
CH56470A 1965-07-31 1966-07-26 Process for the preparation of basic substituted phenylacetonitriles CH487853A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DEK0056774 1965-07-31
US55595566A 1966-06-08 1966-06-08
CH1079566A CH497389A (en) 1965-07-31 1966-07-26 Phenylacetonitrile derivs coronary dilators

Publications (1)

Publication Number Publication Date
CH487853A true CH487853A (en) 1970-03-31

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ID=27176504

Family Applications (2)

Application Number Title Priority Date Filing Date
CH56470A CH487853A (en) 1965-07-31 1966-07-26 Process for the preparation of basic substituted phenylacetonitriles
CH824769A CH486425A (en) 1965-07-31 1966-07-26 Process for the preparation of basic substituted phenylacetonitriles

Family Applications After (1)

Application Number Title Priority Date Filing Date
CH824769A CH486425A (en) 1965-07-31 1966-07-26 Process for the preparation of basic substituted phenylacetonitriles

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Publication number Publication date
CH486425A (en) 1970-02-28

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