BE667498A - - Google Patents

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BE667498A
BE667498A BE667498DA BE667498A BE 667498 A BE667498 A BE 667498A BE 667498D A BE667498D A BE 667498DA BE 667498 A BE667498 A BE 667498A
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phenyl
butyric
phenoxy
butyryl
thio
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French (fr)
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    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D295/00Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms
    • C07D295/16Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms acylated on ring nitrogen atoms
    • C07D295/18Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms acylated on ring nitrogen atoms by radicals derived from carboxylic acids, or sulfur or nitrogen analogues thereof
    • C07D295/182Radicals derived from carboxylic acids
    • C07D295/185Radicals derived from carboxylic acids from aliphatic carboxylic acids
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    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C243/00Compounds containing chains of nitrogen atoms singly-bound to each other, e.g. hydrazines, triazanes
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C323/00Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/347Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups
    • C07C51/373Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups by introduction of functional groups containing oxygen only in doubly bound form
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/347Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups
    • C07C51/377Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups by splitting-off hydrogen or functional groups; by hydrogenolysis of functional groups
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/54Preparation of carboxylic acid anhydrides
    • C07C51/56Preparation of carboxylic acid anhydrides from organic acids, their salts, their esters or their halides, e.g. by carboxylation
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C57/00Unsaturated compounds having carboxyl groups bound to acyclic carbon atoms
    • C07C57/30Unsaturated compounds having carboxyl groups bound to acyclic carbon atoms containing six-membered aromatic rings
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    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C57/00Unsaturated compounds having carboxyl groups bound to acyclic carbon atoms
    • C07C57/30Unsaturated compounds having carboxyl groups bound to acyclic carbon atoms containing six-membered aromatic rings
    • C07C57/42Unsaturated compounds having carboxyl groups bound to acyclic carbon atoms containing six-membered aromatic rings having unsaturation outside the rings
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C59/00Compounds having carboxyl groups bound to acyclic carbon atoms and containing any of the groups OH, O—metal, —CHO, keto, ether, groups, groups, or groups
    • C07C59/40Unsaturated compounds
    • C07C59/58Unsaturated compounds containing ether groups, groups, groups, or groups
    • C07C59/64Unsaturated compounds containing ether groups, groups, groups, or groups containing six-membered aromatic rings
    • C07C59/66Unsaturated compounds containing ether groups, groups, groups, or groups containing six-membered aromatic rings the non-carboxylic part of the ether containing six-membered aromatic rings
    • C07C59/68Unsaturated compounds containing ether groups, groups, groups, or groups containing six-membered aromatic rings the non-carboxylic part of the ether containing six-membered aromatic rings the oxygen atom of the ether group being bound to a non-condensed six-membered aromatic ring
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C59/00Compounds having carboxyl groups bound to acyclic carbon atoms and containing any of the groups OH, O—metal, —CHO, keto, ether, groups, groups, or groups
    • C07C59/40Unsaturated compounds
    • C07C59/76Unsaturated compounds containing keto groups
    • C07C59/84Unsaturated compounds containing keto groups containing six membered aromatic rings
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C59/00Compounds having carboxyl groups bound to acyclic carbon atoms and containing any of the groups OH, O—metal, —CHO, keto, ether, groups, groups, or groups
    • C07C59/40Unsaturated compounds
    • C07C59/76Unsaturated compounds containing keto groups
    • C07C59/90Unsaturated compounds containing keto groups containing singly bound oxygen-containing groups
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D295/00Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms
    • C07D295/04Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms
    • C07D295/08Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms substituted by singly bound oxygen or sulfur atoms
    • C07D295/084Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms substituted by singly bound oxygen or sulfur atoms with the ring nitrogen atoms and the oxygen or sulfur atoms attached to the same carbon chain, which is not interrupted by carbocyclic rings
    • C07D295/088Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms substituted by singly bound oxygen or sulfur atoms with the ring nitrogen atoms and the oxygen or sulfur atoms attached to the same carbon chain, which is not interrupted by carbocyclic rings to an acyclic saturated chain

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Description

  

   <Desc/Clms Page number 1> 
 



  Dérivés d'acide Y-butyrique et procédé pour leur préparation. 
 EMI1.1 
 



  Quali±cation propofJée: rvwx D' invention 

 <Desc/Clms Page number 2> 

 
La présente invention est relative à la préparation de dérivés d'acide butyrique en position y. répondant à la for- mule générale ,suivante: 
 EMI2.1 
 où X= 0, S, 0-CH2,   S-CH,     CH=CH,   (CH2n où n =   1 .   2: 3 et où R1   ou /   R2= H, un groupe alkyle de C1 à  6; ;de leurs sels. avec des bases organiuqes et   minérales   de leurs esters avec des. alcools aliphatiques à chaînes normales ou fauifiées ou avec des .alcools aryl-aliphatioues ou avec des amino alcools, subs- titués ou non de leurs amides;

   substitués ou non de leurs hydrazides,   substitues',   ou non et/ou de leurs anhydrides simples ou mixtes 
Ces composés se préparent par   succinoylation   du grou-   pe   R et par réduction successive du   groupe:::: 0=0   en CH2
Ce procédé ne   .{peut   pas être adopté dans' le cas d'un dériva de stylbène pour lequel le procède illustre dans los exom- plesdevra être utilise . Les sels, esters; amides, hvdrazides et anhydrides sont prépares par les   procèdes   décrits dans la lit- térature. 

 <Desc/Clms Page number 3> 

 



   Nombreux sont les composés   susmentionnés   qui possèdent une activité anti-inflammatoire, analgésique et antipyrétique   notable,   supérieure aux nropriétés que possèdent les salicylates Les exemples. suivants illustrent mais ne limitent pas la pré- sente invention   EXEMPLE   1 
 EMI3.1 
 4;4 g d'acide P-(p phényl-thiobenzoyl-propion.que en solution dans 30 ml de triéthylène glycol sont ajoutés à 2,2 g 
 EMI3.2 
 de NaOH et 2,5 ml de N2n:toH20 à 85 % et chauffés au reflux pen- dant 1 heure On laisse ensuite s'évaporer l'eau et   .l'excès     d'h@vdrazide,   la température s'élevant à   195-200 C   ;

  on maintient le mélange à 200 C pendant 3 heures,puis on le refroidit et on l'acidifie à l'aide   d'HCl   à 8% et on   @   sépare du précipité par filtration   La   cristallisation dans de la ligroïne donne 
 EMI3.3 
 de l'acide y-(phény1-thio-phén;il )butrrique (P F 66-67C) 
EXEMPLE 2 On ajoute 10 g d'anhydride succinique à 18 4 g d'une 
 EMI3.4 
 solution de pliényl-benzi1-éther dans 50 ml de benzène anhydre, puis on ajoute de petites fractions de A1C13 anhydre jusqu'à obtenir une quantité totale de 26,6 g de ce composé, puis cn agite à la température ambiante pour compléter le dégagement de HC1 gazeux On chauffe le mélange au bain-marie pendant 1 heure;

   on décompose à l'aide d'hexane et de HC1 on chasse ensuite le solvant dans un courant de vapeur et on on dissout le résidu dans une solution de bicarbonate de sodium et on acidifie à l'aide   d'HCl   à 8   %   La cristallisation du précipité dans de 
 EMI3.5 
 l'alcool donne l'acide 13- (p -benz'r1-ox:-benzoy1) -propioniaue 

 <Desc/Clms Page number 4> 

 EXEMPLE 3 
 EMI4.1 
 5,68 g d'une solution d'acide 8(p-benz7rl-oxir-benzoyl) propioniaue dans 43 ml de triéthylene glycol snt additionnés de 2;7 g de NaOH et de 2,7 ml de NJEL H20 à 85 % on chauffe ensuite le mélange au reflux. L'eau et l'hydrazine excédentaires sont ensuite éliminés, on laisse la température s'élever jus- qu'à 195-200 C 'et on la maintient à   200 C   pendant 3 heures.

   Le mélange est refroidi ,   acidifié     à   l'aide de HC1 à 8 %, et sépa- ré du précipité par filtration La cristallisation dans de la 
 EMI4.2 
 ligroine donne de l'acide y-(p benzyrl-ox3r-phényl)-buti:rique On prépare également de la même manière l'acide y-(p benzyl-thio- 
 EMI4.3 
 phényl)-butyriqtie 
EXEMPLE 
5,2 g d'une solution d'acide p amino-benzoyl   propionioue        dans 10 ml d'HC1 concentré et 10 g de glace sont soumis à une diazotation avec 1,85 g de nitrite de sodium dissous dans la quantité minimale d'eau A cette solution on ajoute ensuite 4,4 g d'une solution d'acide   cinnamioue   dans 40 ml d'acétone et ensuite 5,5 g d'acétate de sodium et 1,4 g de chlorure cuivrique dissous dans 5 ml d'eau La réaction .est légèrement exothermi- que.

   Après 3 heure d'agitation, on laisse reposer le mélange jusqu'au lendemain, puis on distille l'acétone et la substance solide pâteuse ainsi obtenue est   uxtraite   à l'aide d'acétate d'éthyle Après évaporation du solvant , cristallisation du 
 EMI4.4 
 résidu dans de l'éthanol, on obtient l'acide P-.(p stiryl-ben- zoy1)-propionique (P F 195-1960C). 



  Un procédé.similaire permet d'obtenir l'acide !3-(p stir,1-benzoy'l U,P-diméth7rl-propionique à..partir d'acide p amino-benzoyl-a, - diméthyl-propionique 

 <Desc/Clms Page number 5> 

 
EXEMPLE 5 
Un mélange de 10 g d'acide ss-(p   stiryl-benzoyl)-pro-   pionique, de 6,5 g de KOH et de 5 ml de N2H4 H20 à   85 %   est chauffé au reflux pendant 2 heures tout en agitant dans 50 ml de   triéthylàne   glycol.

   On laisse ensuite l'eau et l'hydrazine en exc s s'évaporer, en laissant la température s'élever   iusau'à     195 C   on chauffe ensuite la solution au reflux à cette tem- pérature pendant 4 heures La solution refroidie ést diluéo avec 50 ml d'eau et acidifiée lentement avec 50 ml d'HCl 6N Un produit solide- se sépare et on filtre celui- ci;

   puis on le sèche et on le cristalline dans   l'éthanol,   ce qui permet d'ob- tenir de l'acide y-(p   stiryl-phényl)-butyrique   (P F 135- 136 C') 
EXEMPLE 6 
 EMI5.1 
 On ajoute 12,8 g d' anhy dride -(3.-dimÉ thyl-suc cinique à 17 g d'éther   diphénylique   dissous dans   50em3   de benzine anhydre . tout en agitant et l'on ajoute ensuite 26,6 g   d'Aide  anhydre par petites quantités..Lorsque le HCl   gazeux   s'est complète- ment échappé, le mélange est chauffé pendant 1 heure au   bain -   marie. 



   Le mélange est ensuite décomposé à l'aide de glace et d'acide chlorhydrique dilué, le solvant est chassé par dis- tillation à la vapeur Le résidu est dissous dans du carbonate de sodium dilué, filtré et acidifié La cristallisation du précipité dans de l'alcool dilué donne de   l'acide     R-(p-phénox   y- 
 EMI5.2 
 benzoyl)-a-0-diméthyl-propionique 
On .utilise également un procédé analogue pour obtenir 'les acides suivants: . 
 EMI5.3 
 



  !-(p phénoxy-bcl1zoyl) -a-'!3-diéthyl-propionique 8-(p phényl-benzoà,1)-a-p-diméthàrl-propioniq,ae 0-(p phény1-thio-benzoyl)-a--diméthy1-propionique 6-(p benzyl-oxy-benzoyl)-a--diméthylpropionique 6-(p benzyl-thio-benzo;1)-a-,fi-diméthyl-propioninue 

 <Desc/Clms Page number 6> 

 EXEMPLE 7 
 EMI6.1 
 5,96 g d'une olution d'acide ü--(p phénoxy-benzoyl)-  -,9-diméthyl-propionique dans 45 ml de triéthylène glycol sont additionnés de 2,7 g de NaOH et de 2,7 ml de N2H4 H2O à 85% Le mélange est ensuite .chauffé au reflux pendant 1 heure On laisse ensuite s'évaporer l'eau et l'hydrazine en excès, la température s' élevant à 195-200 C et étant maintenue à   @     200 C   pendant 3 heures .

   Le .mélange est refroidi, acidifié à l'aide d'HC1 à 8   %,   extrait par du benzène, lavé à l'aide d'eau, séché et évaporé sous vide   La.   cristallisation dans de 
 EMI6.2 
 la ligroîne du résidu donne l'acide y-(p phénoxy-phényl)-a-Q- diméthyl-butyrique Par des procédé analogues on obtient également les acides suivants:

   
 EMI6.3 
 Y-(P, phénoxy-pàényl)-a-A-diéthyl-butyrique y-(p.diphénylyl)-a,,f3-diméthyl-butyrique y-(p.-phényl-thio-ph6nyl)-a-p-diinéthyl-butyrique y-(p.-benzyl-oxy-phé nyl)-a-5-dimdthyl-butyrique y-(p.benzyl-thio-phényl)-a-6-diméthyl-bityrique y-(p,-ztiryl-phényi-a-fl-àiméthyl-butyrique La réduction catalytique d'acide y.(p,stiryJ.-phényl)-a-l3- diméthyl-butyrique en présence de palladiuaupportant 5 % de carbone' donne de l'acide y-(p-phénéthylphônyl)-a-S-diméth3,1- butyrique 
EXEMPLE 8 
10,24 g d'acide   y-(p,phénoxy-phényl)butyrique,   80 ml d'éthanol oanhydre et 2 ml de   H2S04   concentré sont chauffés au reflux .pendant 4 heures, du un bain-marié   On  vaporé l'éthanol sous vide, on dissout le résidu dans de l'éther,

   on lave ensuite la solution éthérée à l'aide de NaOH à   8 %   et 

 <Desc/Clms Page number 7> 

   éventuellemment   à l'aide d'eau. Aprls séchage, on évapore le solvant et l'on distille le résidu sous vide ce qui donne du   y-(p.phénoxy-phényl)-éthyl-butyrate   présentant ùn P.E. de   188 c   à 0,6mm de   Hg.   



   Des procédés analogues ont été utilisés pour obtenir des esters avec des alcools supérieurs tels que l'alcool pro-   pylique,   butylique, amylique, etc De même, des procédés analo- gues sont utilisés pour obtenir les esters suivants; 
 EMI7.1 
 Y-(p.diphénylyl-)-éthyl-butyrate y-(p.phényl-thio-phénYTl)-éthyl-butyrate y-(-,o.benzyloxy-phényl)-éth-,-1-bu-11-yra,te y-(p.benzyl-thio-phényl)éth5,1-btityrate y-(p .stïryl-phényl )-éth51-butyrate y-(p..,benzyl-phi-'3riyl-)-éthyl-butyratc- y-(p.phénoxy-plién,l)-a-p-diméthyl-éthyl-butyrate y-(p ,phénoxy-phén3,1-u-,Q-diéth3,1-é. hyl-butyrate 
EXEMPLE 9 Une suspension contenant 13 g du sel de potassium 
 EMI7.2 
 de l'acide y-(p ;

  phénoxy-phényl)-butyrique dans 80 ml d'acétone anhydre est add?.tionnéq.e 0,4 g de NaJ, puis on fait s'écouler goutte à goutte dans cette solution au P E 6 g   d'-bromo-acéto -   phénone dans 20 ml d'acétone Le mélange bouillant est ensuite agité pendant 12 heures , filtré, évaporé jusqu'à siccité sous vide, le résidu étant dissous dans du benzine, lavé à l'aide d'eau et séché Le solvant est évaporé et le résidu est distil- 
 EMI7.3 
 lé sous vide de manière à donner de la w-(p. phénoxy-phényl-bu- tyryl)-hydroxy-acétophénone, possédant un P E de 233-235'c à 0,2 mm de Hg. 



   De   nêmc;   on utilise un procédé analogue pour obtenir les dérivés des'acides susmentionnés. 

 <Desc/Clms Page number 8> 

 



   EXEMPLE .10 
5 g d'acide diphénylyl-butyrique sont chauffés sous reflux pendant 3 heures avec 10 ml de chlorure de thionyle; Le mélange est concentré jusau'à siccité ce .qui donne 5,2 g de chlorure brut. 5,2 g de chlorure sont dissous dans 100 ml de benzène anhydre,   additionnes   de 1,95 mml de pyridine anhy- dre, puis on ajoute goutte à goutte 2,6 g.de pipéridino éthanol dans 20 ml de benzine anhydre: 
Le mélange est agité -jusqu'au lendemain à la tempé- rature ambiante, alcalinisé à l'aide de NaOH à 20   %,   extrait par du benzène,   seiche   et   concentre   .Le résidu est dissous dans de   l'éther,   et l'on   fait   ensuite barboter de l'acide chlorhy- drique, dans la solution.

   La cristallisation dans des éthers d'alcool-isopropylique du précipité donne le chlorhydrate de l'ester pipéridino éthylique de l'acide diphénylyl-butyrique (P.F :   195 C),   
EXEMPLE   11 .   



   On ajoute goutte à goutte 3,4 g de chlorure de diéthyl- amino-éthyle à 5 g de   diphénylyl   butyrate .de sodium (obtenu par neutralisation avec de l'alcoolate de sodium dans de l'alcool éthylique, 3 heures au reflux) en suspension dans 150 ml de benzène; on chauffe au reflux pendant 20 heures, on refroidit et l'on.sépare par filtration le chlorure de sodium ainsi formé, 
Le mélange est concentré jusqu'à siccité et on salifie le résidu avec de l'a cide citrique (rapport molaire 1:1) dans de l'acétate   d'éthyle:

     La cristallisation dans un mélange alcool-éther du précipité donne le citrate de l'ester diéthylami- no éthylique'de l'acide diphénylyl butyrique (P F 143 C ). 

 <Desc/Clms Page number 9> 

   EXEMPLE   12   on   ajoute goutte   à   goutte et tout en agitant une solu- 
 EMI9.1 
 tion contenant 10,96 g de chlorure de I.,-phénoxy-phényl - buty- ryle dissous dans 25 ml de dioxane anhydre,à 10,5 g d'une soluanhydre a/hYdre 'tion de   N-éthanol-morpholine   dans 50 ml de dioxane/refroidieà   5-10 C.   Au cours de l'addition, la tempér-ature ne doit pas être supérieure à 15 C. Le mélange est agité pendant 15 minutes à 10 C, puis .pendant 20 heures à la température ambiante et éventuellement pendant 2 heures à 40 C. 



   Le précipité obtenu de cette manière est séparé, le solvant est évaporé sous vide, le résidu est repris dans de 
 EMI9.2 
 l'eau et extrait par du OH013' puis la solution chloroformiqu0 est lavée à l'aide de NaHCO3 à 8% et avec .de l'eau.. Le solvant est évaporé et le résidu huileux distillé de manière à 
 EMI9.3 
 obtenir du 3-(morpholinoéthyl)-p.phénox;-phényl-butyrata d'un P.E. de   192-195 C   sous 0,8 mm de Hg. 



   Le chlorhydrate peut être obtenu en dissolvant la dans base/de l'éthanol à 99,9 %, puis en traitant cette solution par du HCl gazeux et en opérant une précipitation avec de   l'éther   éthylique; la base peut aussi être dissoute dans une quantité   stoéchiométrique     d'HCl   0,1 N et la. solution ainsi obtenue peut être   lyophyliséc.   



   . De même on utilise un procédé identique pour obtenir 
 EMI9.4 
 le 6-(N,N-diéthylamino-éthyl)-p.ph6noxy-pliényl-bixtyrate. 



   EXEMPLE 13. 



   10 g de   méthyl-y-(p.stiryl-phényl)-butyrato   dans 200 ml d'éthanol sont soumis à l'hydrogénation à pression normale et à la température normale en ..présence de carbone supportant 5 % de palladium comme catalyseur. Après hydrogénation, on sépare le catalyseur par filtration, on concentre la solution 

 <Desc/Clms Page number 10> 

 
 EMI10.1 
 et on distille de manière à obtenir du méthYly-(pphnéthy1- phényl) -butyrate. 



   EXEMPLE 14. 
 EMI10.2 
 



  15,40 g de y-(p.phénox/y-phényl)-méthy1-butyrate dis sous dans 20 ml d'éthanol anhydre et 29,4 g de NH3dissous dans 150 ml d'éthanol anhydre, sont chauffés dans   un.   tube .scellé   à   80 C pendant 24 heures, ,puis évaporés jusqu'à siccité. Le ré- sidu esttrepris dans de l'éther de pétrole. La cristallisation dans de l'alcool isopropylique donne du y-(p.phénoxy-phényl)-bu-   tyramide   (P.F. =   108-1100C).   



   De même, les amides suivante peuvent être obtenus par les procédés susmentionnés: 
 EMI10.3 
 .amide y(p.-dipénylyl}-butyrique amide y-(p.diphényl-tpio-phény1)-butyrique amide y-(p.benzyl-oxy-phényl)-butyrique amide y-(p.benzyl-thio-phényl)-butyrique amide y-(p.benzyl-phényl)-butyrique amide   y-(p.phénéthyl-phényl)-butyrique   
 EMI10.4 
 amide y-(p.stiryl-phényl)-butyrique amide y-(p.phénoxy-phény1)-a--diméthyl-butyrique amide y-(p.phénoxy-phényl)-a-p-diéthyl-butyrique. 



   EXEMPLE 15. 



   5,2   ml   d'une solution de   morpholine   dans 40 ml de ' benzène anhydre sont additionnés de 8,22 g de chlorure d'acide 
Y-(p.phénoxy -phényl) -butyrique dissous dans 20 ml de benzène. anhydre ; le mélange réactionnel est agité pendant 1 heure à la température ambiante. 



   On filtre le.précipité, on lave ce précipité à l'aide d'eau, on extrait par du benzène; l'extrait benzénique est sé- ché, le solvant est évaporé et le résidu est distillé sous 
 EMI10.5 
 vide de manière à obtenir le y-(p.phënoxy-phényl)-butyryl-morpholide 

 <Desc/Clms Page number 11> 

 possédant un P.E. 'de 215 C à une pression de 0,4 mm de Hg. De même, le   y-(p.phénoxy-phényl)butyryl-anilide   peut être obtenu par les procédés susmentionnés.

   En opérant de manière analogue, on obtient les dérivés suivants:   y-(p.diphénylyl)-butyryl-morpholide   y-(p.phényl-thio-phényl)-butyryl-morpholide 
 EMI11.1 
 1>-(p.benzyl-oxy-phényl)-butyryl-no=pholide Y-(p.-benzyl-thio-phényl)-butyryl-niorpholide y-(p.benzyl-phényl)-butyryl-morpholide y-(p.phéndthyl-phényi)-butyryl-morpholide y-(p.etiryl-phén,1)-butyryl-morpholide y-(p.phénoxy-ph8nyl)-a-p-diméthyl-butyryl-morpholide y-(p.nhénoxy-pYcyl}-a-j3-diéthyl-butyryl-morpholide 
EXEMPLE 16. 



   8,1 g de méthyl-y-(p.phénoxy-phényl)-butyrate:. dissous dans 15 ml d'éthanol, sont chauffés au reflux pen dant 4 heures avec 4,4 ml de N2H4H2O. à 85 %. Le mélange est évaporé   jusqu'à   siccité, et le résidu est lavé à l'aide d'eau. La cristallisation 
 EMI11.2 
 dans de l'alcool isopropylique donne le Y4P.phénoxy-phényl)-butyr   hydrazide,   (P.F.   66-67 C).   



   De même, un procédé identique peut être utilisé pour obtenir le y-(p.phénoxy-phényl)-butyryl-phényl-hydrazide. 



   Les hydrazides suivants peuvent être obtenus par un procédé analogue.   y-(p.diphénylyl)-butyryl-hydrazide   
 EMI11.3 
 y-(p.phényl-thio-phInô,1)-butô>ryl-hydrazidé y-(p.bonzyl-oxy-phényl)-butyryl-liydrazide y-(p.bcnzyl-.thio-phényl)-butyryl-hydrazide y-(p.bonzyl-ph6nyl)-butyryl-hydrazido Y-(p.phénéthyl-phényl)-butyryl-hydrazide 

 <Desc/Clms Page number 12> 

 y-(p.stiryl-phényl)-butyryl-hydrazide 
 EMI12.1 
 y-(p.phénoxy-phényl)-a-0-diméthyl-butyryl-hydrazide y-(p.phénoxy-phényl)-a-°-diéthyl-butyryl-hydrazide 
EXEMPLE 17. 



   9,5 g de bisulfite de sodium sont dissous da 200 ml de H20 et additionna de   7,9   ml de formaldéhyde à 38 %. La solutïon est agitée pendant une   1/2   heure à la tem- pérature ambiante; 
A cette solution on ajoute 27 g de   y-(p.phénoxy-phényl)-   butyrylhydrazide et le tout est chauffé pendant 4 heures tout en agitant de manière à obtenir une solution complète. 



   Le mélange est laissé au repos pendant une nuit et   il est ensuite évaporé jusqu'à siccité sous vide ; cris-   tallisation dans de l'eau on obtient le méthane sulfonate so- dique de   y-(p.phénoxy-phényl)-butyrylhydrazide   (P.F. 193-195 C avec décomposition). 



   D'une manière analogue on obtient les méthane sulfona- tes sodiques des hydrazides susmentionnés. 



   EXEMPLE   18.   
 EMI12.2 
 



  5,12 g d'une solution d'acide ,y-(p.phénox..-y-phényl)-.i.t'è;>, butyrique dans 30 ml de tétrahydrofurane sont additionnés de 2,06 de dicyclo-hex--yl-carbodiimido dissous dans 50 ml de tétrahydro- furane. Le mélange est agité à la température ambiante pendant 24 heures, dilué à   l'aide   d'eau, puis on sépare par filtration la 1,3-dicyclo-hexyl-uréc. Le mélange est évaporé jusqu'à sicci- té sous vide et lo résidu est distillé, ce qui permet d'obtenir 
 EMI12.3 
 l'anhydride y-(p.phénoxy-phény.' )-butyrique . 



   Les anhydrides suivants peuvent être obtenus en utilisant un prodédé analogue. 

 <Desc/Clms Page number 13> 

 
 EMI13.1 
 y-(p.diphénylyl)-butyrique' 
 EMI13.2 
 y'(p.phén.yl-thio-phényl)-butyrique y-(p. ber..zyl.ox""y-phényl)-butyrique y-(p.bonzyl-thio-phényl)-butyriqua y-(p.benzyl-phényi)-butyrique y-(p.phénétyl-phényl)-butyrique Y-(p.stiryl-phényl)-butyrique y-(p.phénoxy-phényl)-a-i-diméthyl-butyrique -(p.phénoxy-pk.éinyl)-a-3-dié thyl-.butyrique 
REVENDICATIONS. 



   1.- Procédé de préparation de dérivés   d'ox/yde   y-butyri- que répondant à la formule générale suivante : 
 EMI13.3 
 

**ATTENTION** fin du champ DESC peut contenir debut de CLMS **.



   <Desc / Clms Page number 1>
 



  Y-butyric acid derivatives and process for their preparation.
 EMI1.1
 



  Proposed qualification: rvwx of invention

 <Desc / Clms Page number 2>

 
The present invention relates to the preparation of butyric acid derivatives in position y. responding to the following general formula:
 EMI2.1
 where X = 0, S, 0-CH2, S-CH, CH = CH, (CH2n where n = 1. 2: 3 and where R1 or / R2 = H, an alkyl group from C1 to 6;; of their salts with organic and inorganic bases of their esters with aliphatic alcohols with normal or falified chains or with aryl-aliphatic alcohols or with amino alcohols, substituted or not for their amides;

   substituted or not of their hydrazides, substituted or not and / or of their simple or mixed anhydrides
These compounds are prepared by succinoylation of the group R and by successive reduction of the group :::: 0 = 0 to CH2
This method cannot be adopted in the case of a stylbene derivative for which the method illustrated in the examples should be used. Salts, esters; amides, hvdrazides and anhydrides are prepared by the procedures described in the literature.

 <Desc / Clms Page number 3>

 



   Many of the aforementioned compounds possess a notable anti-inflammatory, analgesic and antipyretic activity, superior to the properties which the salicylates possess. The following illustrate but do not limit the present invention EXAMPLE 1
 EMI3.1
 4; 4 g of P- (p phenyl-thiobenzoyl-propion.que acid dissolved in 30 ml of triethylene glycol are added to 2.2 g
 EMI3.2
 of NaOH and 2.5 ml of 85% N2n: toH2O and refluxed for 1 hour. The water and excess hydrogen are then allowed to evaporate, the temperature rising to 195 -200 C;

  the mixture is maintained at 200 ° C. for 3 hours, then it is cooled and acidified with 8% HCl and the precipitate is separated off by filtration. Crystallization from ligroin gives
 EMI3.3
 y- (phenyl-thio-phen; il) butrric acid (P F 66-67C)
EXAMPLE 2 10 g of succinic anhydride are added to 18 4 g of a
 EMI3.4
 solution of plienyl-benzi1-ether in 50 ml of anhydrous benzene, then small fractions of anhydrous AlCl3 are added until a total amount of 26.6 g of this compound is obtained, then stirred at room temperature to complete the release of gaseous HCl The mixture is heated in a water bath for 1 hour;

   decomposed using hexane and HCl the solvent is then removed in a stream of vapor and the residue is dissolved in sodium bicarbonate solution and acidified with 8% HCl Crystallization precipitate in
 EMI3.5
 alcohol gives 13- (p -benz'r1-ox: -benzoy1) -propioniaue acid

 <Desc / Clms Page number 4>

 EXAMPLE 3
 EMI4.1
 5.68 g of a solution of 8 (p-benz7rl-oxir-benzoyl) propioniaue acid in 43 ml of triethylene glycol plus 2; 7 g of NaOH and 2.7 ml of 85% NJEL H20 on then heat the mixture to reflux. The excess water and hydrazine are then removed, the temperature is allowed to rise to 195-200 ° C and maintained at 200 ° C for 3 hours.

   The mixture is cooled, acidified with 8% HCl, and separated from the precipitate by filtration. Crystallization from
 EMI4.2
 ligroin gives y- (p benzyrl-ox3r-phenyl) -buti: ric acid.Y- (p benzyl-thio- acid is also prepared in the same way.
 EMI4.3
 phenyl) -butyriqtie
EXAMPLE
5.2 g of a solution of p-amino-benzoyl propioniou acid in 10 ml of concentrated HC1 and 10 g of ice are subjected to diazotization with 1.85 g of sodium nitrite dissolved in the minimum quantity of water To this solution is then added 4.4 g of a solution of cinnamic acid in 40 ml of acetone and then 5.5 g of sodium acetate and 1.4 g of cupric chloride dissolved in 5 ml of water. The reaction is slightly exothermic.

   After 3 hours of stirring, the mixture is left to stand overnight, then the acetone is distilled off and the pasty solid substance thus obtained is extracted with ethyl acetate. After evaporation of the solvent, crystallization of the
 EMI4.4
 Residue in ethanol, P -. (p stiryl-benzoy1) -propionic acid (P F 195-1960C) is obtained.



  A similar process makes it possible to obtain! 3- (p stir, 1-benzoyl U, P-dimeth7rl-propionic acid from p-amino-benzoyl-a, -dimethyl-propionic acid

 <Desc / Clms Page number 5>

 
EXAMPLE 5
A mixture of 10 g of ss- (p stiryl-benzoyl) -propionic acid, 6.5 g of KOH and 5 ml of 85% N2H4 H2O is heated under reflux for 2 hours while stirring in 50%. ml of triethylene glycol.

   The water and excess hydrazine are then allowed to evaporate, allowing the temperature to rise to 195 ° C. the solution is then heated to reflux at this temperature for 4 hours The cooled solution is diluted with 50 ml of water and slowly acidified with 50 ml of 6N HCl A solid product separates and this is filtered;

   then it is dried and crystallized in ethanol, which makes it possible to obtain y- (p stiryl-phenyl) -butyric acid (P F 135-136 C ')
EXAMPLE 6
 EMI5.1
 12.8 g of anhydride - (3-dimÉ thyl-cinique juice are added to 17 g of diphenyl ether dissolved in 50 ml of anhydrous benzine while stirring, and then 26.6 g of anhydrous aid are added. in small amounts. When the HCl gas has completely escaped, the mixture is heated for 1 hour in a water bath.



   The mixture is then decomposed with the aid of ice and dilute hydrochloric acid, the solvent is removed by steam distillation The residue is dissolved in dilute sodium carbonate, filtered and acidified The crystallization of the precipitate from l dilute alcohol gives R- (p-phenox y-
 EMI5.2
 benzoyl) -a-0-dimethyl-propionic
A similar process is also used to obtain the following acids:.
 EMI5.3
 



  ! - (p phenoxy-bcl1zoyl) -a - '! 3-diethyl-propionic 8- (p phenyl-benzoà, 1) -ap-dimethàrl-propioniq, ae 0- (p phenyl-thio-benzoyl) -a-- dimethyl-propionic 6- (p benzyl-oxy-benzoyl) -a - dimethylpropionic 6- (p benzyl-thio-benzo; 1) -a-, fi-dimethyl-propioninue

 <Desc / Clms Page number 6>

 EXAMPLE 7
 EMI6.1
 5.96 g of a solution of ü - (p phenoxy-benzoyl) - -, 9-dimethyl-propionic acid in 45 ml of triethylene glycol are added 2.7 g of NaOH and 2.7 ml of 85% N2H4 H2O The mixture is then heated under reflux for 1 hour. Water and excess hydrazine are then allowed to evaporate, the temperature rising to 195-200 C and being maintained at @ 200 C for 3 hours .

   The mixture is cooled, acidified with 8% HCl, extracted with benzene, washed with water, dried and evaporated in vacuo.
 EMI6.2
 the ligroin of the residue gives y- (p-phenoxy-phenyl) -a-Q-dimethyl-butyric acid. By analogous methods the following acids are also obtained:

   
 EMI6.3
 Y- (P, phenoxy-pàenyl) -aA-diethyl-butyric y- (p.diphenylyl) -a ,, f3-dimethyl-butyric y- (p.-phenyl-thio-ph6nyl) -ap-diinethyl-butyric y - (p.-benzyl-oxy-phe nyl) -a-5-dimdthyl-butyric y- (p.benzyl-thio-phenyl) -a-6-dimethyl-bityric y- (p, -ztiryl-phenyi-a -fl-imethyl-butyric Catalytic reduction of γ. (p, stiryJ.-phenyl) -a-13-dimethyl-butyric acid in the presence of palladiu providing 5% carbon gives γ- (p-phenethylphenyl) acid. ) -aS-dimeth3,1- butyric
EXAMPLE 8
10.24 g of y- (p, phenoxy-phenyl) butyric acid, 80 ml of anhydrous ethanol and 2 ml of concentrated H2SO4 are heated at reflux for 4 hours in a water bath. The ethanol is vaporized under empty, the residue is dissolved in ether,

   the ethereal solution is then washed with 8% NaOH and

 <Desc / Clms Page number 7>

   possibly with water. After drying, the solvent is evaporated and the residue is distilled off in vacuo to give y- (p.phenoxy-phenyl) -ethyl-butyrate having a m.p. of 188 c at 0.6 mm Hg.



   Similar processes have been used to obtain esters with higher alcohols such as propyl, butyl, amyl alcohol, etc. Similarly, analogous processes are used to obtain the following esters;
 EMI7.1
 Y- (p.diphenylyl -) - ethyl-butyrate y- (p.phenyl-thio-phenYTl) -ethyl-butyrate y - (-, o.benzyloxy-phenyl) -eth -, - 1-bu-11-yra , te y- (p.benzyl-thio-phenyl) eth5,1-btityrate y- (p .styl-phenyl) -eth51-butyrate y- (p .., benzyl-phi-'3riyl -) - ethyl-butyrate - y- (p.phenoxy-plién, l) -ap-dimethyl-ethyl-butyrate y- (p, phenoxy-phen3,1-u-, Q-dieth3,1-e. hyl-butyrate
EXAMPLE 9 A suspension containing 13 g of the potassium salt
 EMI7.2
 y- (p;

  phenoxy-phenyl) -butyric in 80 ml of anhydrous acetone is added 0.4 g of NaJ, then 6 g of -bromo-aceto are made to flow dropwise into this PE solution - phenone in 20 ml of acetone The boiling mixture is then stirred for 12 hours, filtered, evaporated to dryness under vacuum, the residue being dissolved in benzine, washed with water and dried The solvent is evaporated and the residue is distilled
 EMI7.3
 Vacuum so as to give w- (p. phenoxy-phenyl-butyryl) -hydroxy-acetophenone having a P E of 233-235 ° C at 0.2 mm Hg.



   From nêmc; A similar process is used to obtain the above-mentioned acid derivatives.

 <Desc / Clms Page number 8>

 



   EXAMPLE. 10
5 g of diphenylyl-butyric acid are heated under reflux for 3 hours with 10 ml of thionyl chloride; The mixture is concentrated to dryness, which gives 5.2 g of crude chloride. 5.2 g of chloride are dissolved in 100 ml of anhydrous benzene, added with 1.95 mml of anhydrous pyridine, then 2.6 g of piperidino ethanol in 20 ml of anhydrous benzine are added dropwise:
The mixture is stirred overnight at room temperature, basified with 20% NaOH, extracted with benzene, cuttlefish and concentrated. The residue is dissolved in ether, and the mixture is stirred. then bubbled hydrochloric acid through the solution.

   Crystallization of the precipitate from isopropyl alcohol ethers gives the hydrochloride of the piperidino ethyl ester of diphenylyl-butyric acid (m.p.: 195 C),
EXAMPLE 11.



   3.4 g of diethylamino-ethyl chloride are added dropwise to 5 g of sodium diphenylyl butyrate (obtained by neutralization with sodium alkoxide in ethyl alcohol, 3 hours at reflux) under reflux. suspension in 150 ml of benzene; refluxed for 20 hours, cooled and the sodium chloride thus formed is separated by filtration,
The mixture is concentrated to dryness and the residue is salified with citric acid (1: 1 molar ratio) in ethyl acetate:

     Crystallization of the precipitate from an alcohol-ether mixture gives the citrate of the diethylamine ethyl ester of diphenylyl butyric acid (P F 143 C).

 <Desc / Clms Page number 9>

   EXAMPLE 12 a solution is added dropwise while stirring
 EMI9.1
 tion containing 10.96 g of I., -phenoxy-phenyl-buty- ryl chloride dissolved in 25 ml of anhydrous dioxane, at 10.5 g of a hydrous solu / h Dre 'tion of N-ethanol-morpholine in 50 ml of dioxane / cooled to 5-10 C. During the addition, the temperature should not be above 15 C. The mixture is stirred for 15 minutes at 10 C, then for 20 hours at room temperature and optionally for 2 hours at 40 C.



   The precipitate obtained in this way is separated, the solvent is evaporated off in vacuo, the residue is taken up in
 EMI9.2
 water and extracted with OH013 'then the chloroformiqu0 solution is washed with 8% NaHCO3 and with water. The solvent is evaporated and the oily residue distilled so as to
 EMI9.3
 obtain 3- (morpholinoethyl) -p.phenox; -phenyl-butyrata with a P.E. of 192-195 C under 0.8 mm Hg.



   The hydrochloride can be obtained by dissolving it in base / 99.9% ethanol, then treating this solution with gaseous HCl and carrying out precipitation with ethyl ether; the base can also be dissolved in a stoichiometric amount of 0.1 N HCl and the. solution thus obtained can be lyophyliséc.



   . Similarly, an identical process is used to obtain
 EMI9.4
 6- (N, N-diethylamino-ethyl) -p.ph6noxy-plienyl-bixtyrate.



   EXAMPLE 13.



   10 g of methyl-y- (p.stiryl-phenyl) -butyrato in 200 ml of ethanol are subjected to hydrogenation at normal pressure and at normal temperature in the presence of carbon supporting 5% palladium as catalyst. After hydrogenation, the catalyst is separated by filtration, the solution is concentrated.

 <Desc / Clms Page number 10>

 
 EMI10.1
 and distilled so as to obtain methYly- (pphnethyl-phenyl) -butyrate.



   EXAMPLE 14.
 EMI10.2
 



  15.40 g of y- (p.phenox / y-phenyl) -methyl-butyrate dissolved in 20 ml of anhydrous ethanol and 29.4 g of NH3 dissolved in 150 ml of anhydrous ethanol, are heated in a. tube. sealed at 80 C for 24 hours, then evaporated to dryness. The residue is taken up in petroleum ether. Crystallization from isopropyl alcohol gives y- (p.phenoxy-phenyl) -bu-tyramide (m.p. = 108-1100C).



   Likewise, the following amides can be obtained by the aforementioned methods:
 EMI10.3
 .amide y (p.-dipénylyl} -butyric amide y- (p.diphenyl-tpio-pheny1) -butyric amide y- (p.benzyl-oxy-phenyl) -butyric amide y- (p.benzyl-thio-phenyl ) -butyric amide y- (p.benzyl-phenyl) -butyric amide y- (p.phenethyl-phenyl) -butyric
 EMI10.4
 y- (p.stiryl-phenyl) -butyric amide y- (p.phenoxy-phenyl) -a - dimethyl-butyric amide y- (p.phenoxy-phenyl) -a-p-diethyl-butyric amide.



   EXAMPLE 15.



   5.2 ml of a solution of morpholine in 40 ml of anhydrous benzene are added to 8.22 g of acid chloride
Y- (p.phenoxy -phenyl) -butyric dissolved in 20 ml of benzene. anhydrous; the reaction mixture is stirred for 1 hour at room temperature.



   The precipitate is filtered off, this precipitate is washed with water and extracted with benzene; the benzene extract is dried, the solvent is evaporated off and the residue is distilled under
 EMI10.5
 empty so as to obtain the y- (p.phenoxy-phenyl) -butyryl-morpholide

 <Desc / Clms Page number 11>

 having a P.E. of 215 C at a pressure of 0.4 mm Hg. Likewise, y- (p.phenoxy-phenyl) butyryl-anilide can be obtained by the above-mentioned methods.

   By operating in a similar manner, the following derivatives are obtained: y- (p.diphenylyl) -butyryl-morpholide y- (p.phenyl-thio-phenyl) -butyryl-morpholide
 EMI11.1
 1> - (p.benzyl-oxy-phenyl) -butyryl-no = pholide Y- (p.-benzyl-thio-phenyl) -butyryl-niorpholide y- (p.benzyl-phenyl) -butyryl-morpholide y- ( p.phendthyl-phenyi) -butyryl-morpholide y- (p.etiryl-phen, 1) -butyryl-morpholide y- (p.phenoxy-ph8nyl) -ap-dimethyl-butyryl-morpholide y- (p.nhenoxy-pYcyl } -a-j3-diethyl-butyryl-morpholide
EXAMPLE 16.



   8.1 g of methyl-y- (p.phenoxy-phenyl) -butyrate :. dissolved in 15 ml of ethanol, are heated at reflux for 4 hours with 4.4 ml of N2H4H2O. at 85%. The mixture is evaporated to dryness, and the residue is washed with water. Crystallization
 EMI11.2
 in isopropyl alcohol gives Y4P.phenoxy-phenyl) -butyr hydrazide, (m.p. 66-67 C).



   Likewise, an identical process can be used to obtain y- (p.phenoxy-phenyl) -butyryl-phenyl-hydrazide.



   The following hydrazides can be obtained by an analogous process. y- (p.diphenylyl) -butyryl-hydrazide
 EMI11.3
 y- (p.phenyl-thio-phInô, 1) -butô> ryl-hydrazide y- (p.bonzyl-oxy-phenyl) -butyryl-liydrazide y- (p.bcnzyl-.thio-phenyl) -butyryl-hydrazide y- (p.bonzyl-ph6nyl) -butyryl-hydrazido Y- (p.phenethyl-phenyl) -butyryl-hydrazide

 <Desc / Clms Page number 12>

 y- (p.stiryl-phenyl) -butyryl-hydrazide
 EMI12.1
 y- (p.phenoxy-phenyl) -a-0-dimethyl-butyryl-hydrazide y- (p.phenoxy-phenyl) -a- ° -diethyl-butyryl-hydrazide
EXAMPLE 17.



   9.5 g of sodium bisulphite are dissolved in 200 ml of H20 and 7.9 ml of 38% formaldehyde are added. The solution is stirred for 1/2 hour at room temperature;
To this solution, 27 g of γ- (p.phenoxy-phenyl) - butyrylhydrazide are added and the whole is heated for 4 hours while stirring so as to obtain a complete solution.



   The mixture is left to stand overnight and is then evaporated to dryness in vacuo; Crystallization in water gives γ- (p.phenoxy-phenyl) -butyrylhydrazide sodium methane sulfonate (m.p. 193-195 C with decomposition).



   In an analogous manner, the sodium methane sulfonates of the above-mentioned hydrazides are obtained.



   EXAMPLE 18.
 EMI12.2
 



  5.12 g of a solution of acid, y- (p.phenox ..- y-phenyl) -. I.t'è;>, butyric acid in 30 ml of tetrahydrofuran are added 2.06 dicyclo- hex - yl-carbodiimido dissolved in 50 ml of tetrahydrofuran. The mixture is stirred at room temperature for 24 hours, diluted with water, then the 1,3-dicyclo-hexyl-uréc is separated by filtration. The mixture is evaporated to dryness in vacuo and the residue is distilled off, thereby obtaining
 EMI12.3
 γ- (p.phenoxy-phenyl. ') -butyric anhydride.



   The following anhydrides can be obtained using an analogous process.

 <Desc / Clms Page number 13>

 
 EMI13.1
 y- (p.diphenylyl) -butyric '
 EMI13.2
 y '(p.phen.yl-thio-phenyl) -butyric y- (p. ber..zyl.ox "" y-phenyl) -butyric y- (p.bonzyl-thio-phenyl) -butyriqua y- ( p.benzyl-phenyl) -butyric y- (p.phenetyl-phenyl) -butyric Y- (p.stiryl-phenyl) -butyric y- (p.phenoxy-phenyl) -ai-dimethyl-butyric - (p.phenoxy -pk.einyl) -a-3-dié thyl-.butyric
CLAIMS.



   1.- Process for the preparation of ox / yde y-butyric derivatives corresponding to the following general formula:
 EMI13.3
 

** ATTENTION ** end of DESC field can contain start of CLMS **.

 

Claims (1)

où X = 0, S, O-CH2, S-CH2, CH=CH, (CH2)n où n = 1, 2,3 et où R1=ou R2 = H, un groupe alkyle en C1à C6, caractérisé en ce que les dérivés obtenus par succinoylation de R sont ré- duits en dérivés d'acide y-butyrique à l'aide d'agents réduc- teurs et en ce qu'ils peuvent 3tre salifiés par des bases organiques et inorganiques et en ce ..qu'ils peuvent ensuite être transformés en esters à l'aide d'alcools à chaînes nor- males ou ramifiées ou à l'aide d'alcools aryl-aliphatiques ou à l'aide .d'amino alcools (substitués ou non), en .amides, substitués ou non, en hydrazides, substitués ou non, en anhy- drides simples ou mixtes. <Desc/Clms Page number 14> EMI14.1 2.- acide y-(p.phériyl-thio-phényl) where X = 0, S, O-CH2, S-CH2, CH = CH, (CH2) n where n = 1, 2,3 and where R1 = or R2 = H, a C1 to C6 alkyl group, characterized in that that the derivatives obtained by succinoylation of R are reduced to derivatives of γ-butyric acid using reducing agents and in that they can be salified with organic and inorganic bases and in this. that they can then be transformed into esters with the aid of alcohols with normal or branched chains or with the aid of aryl-aliphatic alcohols or with the aid of amino alcohols (substituted or not), in .amides, substituted or not, in hydrazides, substituted or not, in simple or mixed anhydrides. <Desc / Clms Page number 14> EMI14.1 2.- y- (p.pheryl-thio-phenyl) acid -butyrique - 3.- acide Y"'(P'bonzyl-oxy-phënyl)-butyrique EMI14.2 4. - acide y-(p.bcnzyl-thio-phényl)-butyrique EMI14.3 5.- acide 1'-(p.stiry'.-phényl)-liutyrique 6.- acide y-(p.phénoxy-phényl).-a-°-diméthyl-butyrique 7.- acide y-(p.phénoxy-phényl)-a-0-diéthyl-butyrique 8.- acide y- (p..,diphénylyl) -o:--diméthyl-bu tyrique 9.- acide y-(p.phényl-thio-ph4nyl)-ce-p-diméthyl-butyriqui 10.- acide y-(p.borzyl-oxy-phényl)-a-p-diméthyl-butyrique 11.- acide y-(p.benzyl-thiophényl)-a--diméthyl-butyrique 12.- acide y-(p.s4v iryl-phényl)-a-p-diméthyl-butyrique 13.- acide y-(p.phénéthyl-phényl)-a-°--diméthy7,-butyrique:. -butyric - 3.- Y "'(P'bonzyl-oxy-phenyl) -butyric acid EMI14.2 4. - y- (p.bcnzyl-thio-phenyl) -butyric acid EMI14.3 5.- 1 '- (p.stiry' .- phenyl) -liutyric acid 6.- y- (p.phenoxy-phenyl) .- a- ° -dimethyl-butyric acid 7.- y- (p.phenoxy) -phenyl) -a-0-diethyl-butyric 8.- acid y- (p .., diphenylyl) -o: - dimethyl-bu tyric 9.- acid y- (p.phenyl-thio-ph4nyl) -ce -p-dimethyl-butyriqui 10.- y- (p.borzyl-oxy-phenyl) -ap-dimethyl-butyric acid 11.- y- (p.benzyl-thiophenyl) -a - dimethyl-butyric acid 12.- y- (p.s4v iryl-phenyl) -ap-dimethyl-butyric acid 13.- y- (p.phenethyl-phenyl) -a- ° --diméthy7, -butyric acid :. 14.- Ethyl-y-(p.phënoxy-phenyï)-butyrate EMI14.4 15,. - Ethyl-y-(p.-diphénylyl)-butyrate EMI14.5 16.- Ethyl-Y-(p.phenyl-thio-phênyl)-butyrato EMI14.6 17.- Ethyl-y-(p.bonzyl-oxy-phényl)-butyrate 18.- Ethyl-y-(p.benzyl-thio-phényl)-butyrate 19.- Ethyl-y-(p.stiryl-phényl)-butyratc EMI14.7 20.- Etliyl-y-(p.bonzyl-phényl)-butyrate 21.- Ethyl-y-(p,phénoxy-phényl)- -(3-diméthyl-butyrate 22.- Ethyl-y-(p.phénoxy-ph6nyl)-a -°-diéthyl-butyrate 23.- w-(p,p#énoxy-phényl-but,ryl)-hydrgµyj#jétophénone EMI14.8 d'acide EMI14.9 24.- Ester d'acide pip6ridino-éthylique7dip-hénylyl-butyri. EMI14.10 quo EMI14.11 25.- Ester diethyl-amino éthylique d'acide dipJxénylyl-but" EMI14.12 riquo. EMI14.13 14.- Ethyl-y- (p.phenoxy-phenyï) -butyrate EMI14.4 15 ,. - Ethyl-y- (p.-diphenylyl) -butyrate EMI14.5 16.- Ethyl-Y- (p.phenyl-thio-phenyl) -butyrato EMI14.6 17.- Ethyl-y- (p.bonzyl-oxy-phenyl) -butyrate 18.- Ethyl-y- (p.benzyl-thio-phenyl) -butyrate 19.- Ethyl-y- (p.stiryl-phenyl) -butyratc EMI14.7 20.- Etliyl-y- (p.bonzyl-phenyl) -butyrate 21.- Ethyl-y- (p, phenoxy-phenyl) - - (3-dimethyl-butyrate 22.- Ethyl-y- (p.phenoxy- ph6nyl) -a - ° -diethyl-butyrate 23.- w- (p, p # enoxy-phenyl-but, ryl) -hydrgµyj # jetophenone EMI14.8 acid EMI14.9 24.- Pip6ridino-ethylic7dip-hénylyl-butyri acid ester. EMI14.10 quo EMI14.11 25.- DipJxénylyl-but-acid diethyl-amino ethyl ester " EMI14.12 riquo. EMI14.13 26.- ;3-(morpholino-éthyl)-p.phénoxy-phényl-butyrate 27.- 0-(N,N-diéthyl-amino-éthyl)p.phénoxy-phényl- EMI14.14 butyrate EMI14.15 28.- Ethyl-y-(p.phénéthyl-phényl)-butyrate. <Desc/Clms Page number 15> EMI15.1 26.-; 3- (morpholino-ethyl) -p.phenoxy-phenyl-butyrate 27.- 0- (N, N-diethyl-amino-ethyl) p.phenoxy-phenyl- EMI14.14 butyrate EMI14.15 28.- Ethyl-y- (p.phenethyl-phenyl) -butyrate. <Desc / Clms Page number 15> EMI15.1 29. - Amide y-(p.phénoxy-phényl)-butyrique 30.- Amide y-(p.diphénylyl)-butyrique EMI15.2 31.- Amide y-(p.phénylthio-phényl)-butyrique 32.- Amide y-(p.bcn.zyl-oxy-phényl)-butyrique .33.- Amide y-(p.bonzyl-thio-phényi)-butyrique 34.- Amide y-(p.benzyl-phényl)-butyrique 35.- Amide y-(p.phénéthyl-phényl)-butyrique EMI15.3 36.- Amide y-(p.stiryl-phényl)-butyrique EMI15.4 37.- Amide Y-(p.phénoxy-phé.-iyl)-a-0-diméthyl-butyrique 38.- Amide y-(p.phénoxy-phén.yl)-a-P-diéthyl-butyriquc 39.- 1-(p.ph.énoxy-phényl)--butyryl-rorpholide 40.- y-(p.phénoxy-phényl)-butyryl-anilide 41'. - y-(p. diphénylyl) -bu tyryl-morpholide 42.- y-(p.ph6riyl-thio-phénvi)-butyryl-morpholide- 43.- '-(p.benzyl-oxy-phényl)-butyryl-morpholide EMI15.5 44. 29. - Amide y- (p.phenoxy-phenyl) -butyric 30.- Amide y- (p.diphenylyl) -butyric EMI15.2 31.- Amide y- (p.phenylthio-phenyl) -butyric 32.- Amide y- (p.bcn.zyl-oxy-phenyl) -butyric. 33.- Amide y- (p.bonzyl-thio-phenyi) -butyric 34.- Amide y- (p.benzyl-phenyl) -butyric 35.- Amide y- (p.phenethyl-phenyl) -butyric EMI15.3 36.- Amide y- (p.stiryl-phenyl) -butyric EMI15.4 37.- Y- (p.phenoxy-phé.-iyl) -a-0-dimethyl-butyric amide 38.- y- (p.phenoxy-phen.yl) -aP-diethyl-butyric amide 39.- 1- (p.ph.enoxy-phenyl) - butyryl-rorpholide 40.- y- (p.phenoxy-phenyl) -butyryl-anilide 41 '. - y- (p. diphenylyl) -bu tyryl-morpholide 42.- y- (p.ph6riyl-thio-phenvi) -butyryl-morpholide- 43.- '- (p.benzyl-oxy-phenyl) -butyryl-morpholide EMI15.5 44. - y-(p-benzyl-thio-phényl)-butyryl-morpholide EMI15.6 45.- y-(p.benzyl-phényl)-butyryl-morprolide EMI15.7 46.- y-(p.phénéthyl-phényl)-butyryl-morpholide 47.- y-(p.stiryl-phényl)-butyryl-morpholide EMI15.8 48.- y-(p.phénoxy-phényl)-a-p-diméthyl-butyryl-morpholir 49.- y-(p.phénoxy-phényl)-ce-$-ùiéthyl-butyryl-morpholide EMI15.9 50. - y-(p.phénoxy-phényl)-butyryl-hydrazide EMI15.10 51.- y-(p.phénoxy-phényl)-butyryl-phényl-hydraa,ide EMI15.11 52. - y-(p.diphénylyl)-butyryl-hydrazide EMI15.12 53- y-(p.phényl-thio-ph.ényl}-thio-phény7 -butyryl-hydrazi EMI15.13 54. - y-(p.benzyl-oxy-phényl)-butyryl-hydrazide 55.- y-(p.benzyl-thio-phényl)-butyryl-hydrazide 56. - y- (p-benzyl-thio-phenyl) -butyryl-morpholide EMI15.6 45.- y- (p.benzyl-phenyl) -butyryl-morprolide EMI15.7 46.- y- (p.phenethyl-phenyl) -butyryl-morpholide 47.- y- (p.stiryl-phenyl) -butyryl-morpholide EMI15.8 48.- y- (p.phenoxy-phenyl) -a-p-dimethyl-butyryl-morpholir 49.- y- (p.phenoxy-phenyl) -ce - $ - iethyl-butyryl-morpholide EMI15.9 50. - y- (p.phenoxy-phenyl) -butyryl-hydrazide EMI15.10 51.- y- (p.phenoxy-phenyl) -butyryl-phenyl-hydraa, ide EMI15.11 52. - y- (p.diphenylyl) -butyryl-hydrazide EMI15.12 53- y- (p.phenyl-thio-ph.enyl} -thio-pheny7 -butyryl-hydrazi EMI15.13 54. - y- (p.benzyl-oxy-phenyl) -butyryl-hydrazide 55.- y- (p.benzyl-thio-phenyl) -butyryl-hydrazide 56. - y-(p.benzyl-phényl)-butyryl-hydrazide EMI15.14 57.- y-(p.phénéthy1phényl)-butyryl-hydrazide 58.- y-(p.stiryl-phényl)-bu1ffYhydrazide <Desc/Clms Page number 16> EMI16.1 59.- Y-(P.Phénoxy-phényl)-a-P-diméthyl-butyryl-hydrazide 60.- y-(p.phénoxy-phényl)-a-a-diéthyl-butyryl-hydrazide 61. - méthanesul fonate de y-(p.phénoxy-phényl)-butyryl- hydrazide. - y- (p.benzyl-phenyl) -butyryl-hydrazide EMI15.14 57.- y- (p.phenethylphenyl) -butyryl-hydrazide 58.- y- (p.stiryl-phenyl) -bu1ffYhydrazide <Desc / Clms Page number 16> EMI16.1 59.- Y- (P.Phenoxy-phenyl) -a-P-dimethyl-butyryl-hydrazide 60.- y- (p.phenoxy-phenyl) -a-a-diethyl-butyryl-hydrazide 61. - γ- (p.phenoxy-phenyl) -butyryl-hydrazide methanesul fonate. 62. - anhydride y-(p.phénoxy-phényl)-butyrique ' 63.- anhydride y-(p.-diphénylyl)-butyrique 64. - anhydride y-(p.phényl-thio-phényl)-butyrique 65. - anhydride y-(p.benzyl-oxy-phényl)-butyrique EMI16.2 66.- anhydride,y-(p.benzyl-thio-phényl)-butyrique 67.- anhydride y-(p. benzyl-phényl)-butyrique 68.- anhydride y-(p.phénéthyl-px,ényl)-butyrique 69.- anhydride y-(p.stiryl-phényl)-butyrique 70.- anhydride y-(p.phénoxy-phér.Jl)-a--diméthyl-butyrique 71.- anhydride y-(p-phénoxy-phényl)-a--diéthyl-butyrique 62. - y- (p.phenoxy-phenyl) -butyric anhydride '63.- y- (p.-diphenylyl) -butyric anhydride 64. - y- (p.phenyl-thio-phenyl) -butyric anhydride 65. - y- (p.benzyl-oxy-phenyl) -butyric anhydride EMI16.2 66.- anhydride, y- (p.benzyl-thio-phenyl) -butyric 67.- y- (p. Benzyl-phenyl) -butyric anhydride 68.- y- (p.phenethyl-px, enyl) -butyric anhydride 69.- y- (p.stiryl-phenyl) -butyric anhydride 70.- y- (p.phenoxy-pher.Jl) -a - dimethyl-butyric anhydride 71.- y- (p-phenoxy-phenyl) anhydride -a - diethyl-butyric
BE667498D 1964-07-28 1965-07-27 BE667498A (en)

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US5861427A (en) * 1994-11-15 1999-01-19 Kluender; Harold Clinton Eugene Substituted 4-biarylbutyric acid derivatives as matrix metalloprotease inhibitors
US5874473A (en) * 1994-11-15 1999-02-23 Bayer Corporation Substituted cycloalkanecarboxylic acid derivatives as matrix metalloprotease inhibitors
US5854277A (en) * 1994-11-15 1998-12-29 Bayer Corporation Thiophenebutanoic acid derivatives as matrix metalloprotease inhibitors
US6166082A (en) * 1994-11-15 2000-12-26 Bayer Corporation Substituted 5-biarylpentanoic acids and derivatives as matrix metalloprotease inhibitors
US5886022A (en) * 1995-06-05 1999-03-23 Bayer Corporation Substituted cycloalkanecarboxylic acid derivatives as matrix metalloprotease inhibitors
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US7012071B2 (en) 2001-06-12 2006-03-14 Wellstat Therapeutics Corporation Compounds for the treatment of metabolic disorders
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