CH258183A - Process for the preparation of a new oxyhydrophenanthrene derivative. - Google Patents

Process for the preparation of a new oxyhydrophenanthrene derivative.

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Publication number
CH258183A
CH258183A CH258183DA CH258183A CH 258183 A CH258183 A CH 258183A CH 258183D A CH258183D A CH 258183DA CH 258183 A CH258183 A CH 258183A
Authority
CH
Switzerland
Prior art keywords
ethyl
phenanthrene
derivative
preparation
new
Prior art date
Application number
Other languages
German (de)
Inventor
Aktiengesellschaft Ciba
Original Assignee
Ciba Geigy
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 Ciba Geigy filed Critical Ciba Geigy
Publication of CH258183A publication Critical patent/CH258183A/en

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Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C62/00Compounds having carboxyl groups bound to carbon atoms of rings other than six—membered aromatic rings and containing any of the groups OH, O—metal, —CHO, keto, ether, groups, groups, or groups
    • C07C62/30Unsaturated compounds
    • C07C62/32Unsaturated compounds containing hydroxy or O-metal groups

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

Description

  

  Verfahren zur Herstellung eines neuen     Oxyhydrophenanthren-Derivates.       Es     wurde        gefunden,    dass man zu einem  neuen     Oxyhydrophenantliren-Derivat    gelan  gen kann, wenn man die 1-Äthyl-2-methyl-7       cxy-1,2,3,4-tetrahydro-phen:anthren-2=ca.rbon-          säure    mit einem     vereeteinden    Mittel behan  delt, das die     Ilydroxy        b,-ruppe    in     7-Stellung     in die     Benzoyloxygruppe    überführt.  



  Das noch nicht bekannte Endprodukt     des     Verfahrens, die 1-Äthyl-2-methyl'-7-benzoyl       oxy-1,2,3,4-tetrahydiio-phenanthren-2-carbon-          säure,        zeigt    sowohl bei     parenteraler    als auch  bei oraler Applikation     eine        ausserordentlich     hohe     oestrogene    Wirkung.     Es    soll therapeu  tische Verwendung finden oder als Zwischen  produkt zur Herstellung therapeutisch ver  wendbarer     Verbindungen    dienen.  



  Für die     überführung    der     Hydroxylgruppe     in     7-Stellung    in die     Benzoyloxygruppe    ver  wendet man     Benzoesäure    bzw. ihre Derivate,  wie z. B.     Benzoylchlorid.    Vorteilhaft arbei  tet man in Gegenwart von Kondensations  mitteln     und/oder        Katalysatoren.     



  Der Ausgangsstoff     wird    z. B. erhalten  aus dem     7-Methoxy-I-heto-2-methyl-1,2,3,4-          1        et.rahydro-phenanthren-2-ca,rbonsäuremethyl-          ester    durch     Grib@ardierung    mit     einem        Äthyl-          magnesiumhalogenid,    Wasserabspaltung aus       dein    erhaltenen     Ca,iibinol,

          Verseifung    der       2-Carbonsäurem-ethylester-    und der     7-Meth-          oxy-Gruppe    und Hydrierung der     Äthylen-          doppelbindung.       <I>Beispiel:</I>  1     Gewichtsteil        1-Äthyl-2-methyl-7-oxy-          1,        2,3,4-tetrahydro-phenanthren-2-ca:

  rbonsäure     der Formel  
EMI0001.0051     
    gibt man in     eine        Mischung    von 10     Volum-          t@eilen        Pyridin    und 5     Volumteilen        Benzoyl-          chlorid.    Nach 24 Stunden Stehen bei Raum  temperatur wird Wasser zugegeben, mit .       Ather    ausgeschüttelt und den Äther mit Salz  säure.     Bikarbonatlösung    und     Wasser    ge  waschen.

   Der Rückstand der verdampften  Ätherlösung liefert, nach     LTmkristallisieren     aus verdünntem Alkohol, die     oestrogen    -wirk  same     1-Äthyl-2-methyl-7-benzoyloxy-1,2,3,4-          tetrahydro-phena.nthren-2-carbonsäure    der       Formel     
EMI0001.0068     
    Den Ausgangsstoff erhält man z.

   B. wie  folgt: 6,5 Gewichtsteile     1-Keto-2-methyl-7-          methoxy    -1, 2, 3,4 -     tetrahydro    -     phenanthren    -     2-          ca.nbonsäuremethylester    lässt man mit     einer          Grignardlösung,    hergestellt     auig    0,6 Gewichtes-           teil        Magnesium    und 2     Volumteilen        Äthyl-          bromid,    reagieren, erwärmt 6 Gewichtsteile  des so erhaltenen     Carbinols    vom F.

   153   zwecks     Wasserabspaltung    mit 25     Volum-          teilen        Ameisensäure    auf dem     Wasserhag,          ver#cift        die        Carbonsäuremethyl:ester-    und  die     Methoxy-Gruppe    durch Erhitzen von  5     Gewichtsteilen        Wasserabspaltungsprodukt          (1-Äthyliden;

  =    2     -methyl    - 7 - metIloxy-1,2,3.,4       tetrahydro-phenanthren-2-canbons,äuremethyl-          ester)    in einer     Mischung    von 25     Gewichts-          teilen        galiumhydroxyd    und 50     Volumteilen     Alkohol     nm        Einschl'u.ssrohr        auf    190-210   und     hydriert    2     Gewichtsteile    der ungesättig  ten     Oxysäure    in 100     Volumteilen        ln-Natron-       <RTI  

   ID="0002.0035">   lauge    in Gegenwart von 2     Gewichtsteilen          eines        Nickelkatalysators    zur     1-Äthyl-    2       methyl-7-oxy-1,2,3,4-tetrahydro-phenanthren-          2-.carbonsäure    vom F. 204 .



  Process for the preparation of a new oxyhydrophenanthrene derivative. It has been found that a new Oxyhydrophenantliren derivative can be obtained if the 1-ethyl-2-methyl-7-cxy-1,2,3,4-tetrahydro-phen: anthrene-2 = approx. Acid treated with a united agent that converts the Ilydroxy b, group in the 7-position into the benzoyloxy group.



  The as yet unknown end product of the process, 1-ethyl-2-methyl'-7-benzoyl oxy-1,2,3,4-tetrahydiio-phenanthrene-2-carboxylic acid, shows both parenteral and oral administration an extraordinarily high estrogenic effect. It should find therapeutic use or serve as an intermediate product for the preparation of therapeutically ver usable compounds.



  For the conversion of the hydroxyl group in the 7-position in the benzoyloxy group ver use benzoic acid or its derivatives, such as. B. benzoyl chloride. It is advantageous to work in the presence of condensation agents and / or catalysts.



  The starting material is z. B. obtained from 7-methoxy-I-heto-2-methyl-1,2,3,4-1 et.rahydro-phenanthrene-2-ca, rboxylic acid methyl ester by Grib @ ardation with an ethyl magnesium halide, elimination of water from your received Ca, iibinol,

          Saponification of the 2-carboxylic acid ethyl ester and the 7-methoxy group and hydrogenation of the ethylene double bond. <I> Example: </I> 1 part by weight of 1-ethyl-2-methyl-7-oxy-1, 2,3,4-tetrahydro-phenanthrene-2-ca:

  rboxylic acid of the formula
EMI0001.0051
    are added to a mixture of 10 parts by volume of pyridine and 5 parts by volume of benzoyl chloride. After standing for 24 hours at room temperature, water is added, with. Shake out the ether and add hydrochloric acid to the ether. Wash the bicarbonate solution and water.

   The residue of the evaporated ether solution, after crystallization from dilute alcohol, yields the estrogenically active 1-ethyl-2-methyl-7-benzoyloxy-1,2,3,4-tetrahydro-phena.nthrene-2-carboxylic acid of the formula
EMI0001.0068
    The starting material is obtained z.

   B. as follows: 6.5 parts by weight of 1-keto-2-methyl-7-methoxy -1, 2, 3,4-tetrahydro-phenanthrene-2-carbonic acid methyl ester are left with a Grignard solution, made of 0.6 weight - part of magnesium and 2 parts by volume of ethyl bromide, react, heats 6 parts by weight of the resulting carbinol from F.

   153 for the purpose of splitting off water with 25 parts by volume of formic acid on the waterfall, the carboxylic acid methyl ester and methoxy group are cifted by heating 5 parts by weight of dehydrating product (1-ethylidene;

  = 2-methyl-7-methyl-oxy-1,2,3., 4 tetrahydro-phenanthrene-2-canbons, acid methyl ester) in a mixture of 25 parts by weight of galium hydroxide and 50 parts by volume of alcohol nm inclusion tube to 190 -210 and hydrogenated 2 parts by weight of the unsaturated oxyacid in 100 parts by volume of sodium bicarbonate <RTI

   ID = "0002.0035"> alkali in the presence of 2 parts by weight of a nickel catalyst to give 1-ethyl-2-methyl-7-oxy-1,2,3,4-tetrahydro-phenanthrene-2-carboxylic acid with a melting point of 204.

 

Claims (1)

PATENTANSPRUCH: Verfahren zur Herstellung eines neuen Oxyhydrophenanthren-Derivates,dadurch ge- kennzeichnet, da,B man die 1-Äthyl-2-methyl- 7 - oxy -1,2,3,4 - tetrahydro - phenanthren - 2 - carbonsäure mit einem venesternderi Mittel behandelt, PATENT CLAIM: A process for the production of a new oxyhydrophenanthrene derivative, characterized in that, B the 1-ethyl-2-methyl-7-oxy-1,2,3,4-tetrahydro-phenanthrene-2-carboxylic acid with a venesternderi agents treated, das die Hydroxylggruppe in 7-Stel- lung in die Benzoyloxygruppe überführt. Das noch nicht bekannte Endprodukt des Verfahrens, die 1-Äthyl-2-m@ethyl-7-benzoyl oxy-1,2,3,4-tetrahydno-phenanthren-2-carbon- säure, zeigt sowohl bei parenteraler als auch bei oraler Applikation eine ausserordentlich hohe oestnogene Wirkung. which converts the hydroxyl group in the 7-position into the benzoyloxy group. The as yet unknown end product of the process, 1-ethyl-2-m @ ethyl-7-benzoyl oxy-1,2,3,4-tetrahydno-phenanthrene-2-carboxylic acid, shows both parenteral and oral Application has an extraordinarily high oestnogenic effect. Es soll therapeu tische Verwendung finden oder als Zwischen produkt zur Herstellung therapeutisch ver wendbarer Verbindungen dienen. UNTERANSPRUCH: Verfahren nach Patentanssprueh, dadurch gekennzeichnet, dass man als veresterndes Mittel Benzoylcblorid verwendet. It should find therapeutic use or serve as an intermediate product for the preparation of therapeutically ver usable compounds. SUBCLAIM: Process according to patent application, characterized in that benzoyl chloride is used as the esterifying agent.
CH258183D 1944-01-10 1944-01-10 Process for the preparation of a new oxyhydrophenanthrene derivative. CH258183A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH250373T 1944-01-10
CH258183T 1944-01-10

Publications (1)

Publication Number Publication Date
CH258183A true CH258183A (en) 1948-11-15

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ID=25729439

Family Applications (1)

Application Number Title Priority Date Filing Date
CH258183D CH258183A (en) 1944-01-10 1944-01-10 Process for the preparation of a new oxyhydrophenanthrene derivative.

Country Status (1)

Country Link
CH (1) CH258183A (en)

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