DE884497C - Process for the preparation of 2,3-di- (p-oxyphenyl) -butadiene compounds or their homologues - Google Patents

Process for the preparation of 2,3-di- (p-oxyphenyl) -butadiene compounds or their homologues

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Publication number
DE884497C
DE884497C DEF165A DEF0000165A DE884497C DE 884497 C DE884497 C DE 884497C DE F165 A DEF165 A DE F165A DE F0000165 A DEF0000165 A DE F0000165A DE 884497 C DE884497 C DE 884497C
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Prior art keywords
oxyphenyl
homologues
vol
preparation
butadiene compounds
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DEF165A
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German (de)
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K H Hermann Dr Klette
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FORACHEMIE GES fur PHARMAZEUT
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FORACHEMIE GES fur PHARMAZEUT
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Priority to DEF165A priority Critical patent/DE884497C/en
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    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C49/00Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
    • C07C49/76Ketones containing a keto group bound to a six-membered aromatic ring
    • C07C49/82Ketones containing a keto group bound to a six-membered aromatic ring containing hydroxy groups
    • C07C49/825Ketones containing a keto group bound to a six-membered aromatic ring containing hydroxy groups all hydroxy groups bound to the ring
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C37/00Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
    • C07C37/001Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by modification in a side chain
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/45Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by condensation
    • C07C45/46Friedel-Crafts reactions

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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 Herstellung von 2, 3-Di-(p-oxyphenyl)-butadienverbindungen oder deren Homologen Es ist bekannt, daß Butadienverbindungen, die durch Phenolreste disubstituiert sind, z. B.. das Di-(p-oxyphenyl)-hexadien, eine hohe oestrogene Wirksamkeit besitzen. Führt man in die Phenolreste andere Substituenten ein, so wird die Wirksamkeit jedoch ebenso, wie dies bei den entsprechenden Diäthylstilboestrolverbindungen der Fall ist, erheblich herabgesetzt.Process for the preparation of 2,3-di- (p-oxyphenyl) -butadiene compounds or their homologues It is known that butadiene compounds, which by phenol radicals are disubstituted, e.g. B .. the di- (p-oxyphenyl) -hexadiene, a high estrogen Possess effectiveness. If other substituents are introduced into the phenol radicals, so However, the effectiveness is just as effective as it is with the corresponding diethylstilboestrol compounds is the case, significantly reduced.

Es wurde nun gefunden, daß man neue physiologisch hochwirksame Verbindungen herstellen kann, in denen sich in den phenolischen Resten eine Methylgruppe in m-Stellung zur Oxygruppe befindet. Diese Verbindungen werden gewonnen, indem man z. B. die aus m-Kresol oder dessen Derivaten mit aliphatischen Monocarbonsäuren, insbesondere mit Essigsäure und Propionsäure erhältlichen Ketone, in die entsprechenden Pinakone überführt, aus denen dann durch Wasserabspaltung in an sich bekannter Weise die neuen Butadienverbindungen erhalten -werden.It has now been found that new physiologically highly effective compounds can be obtained can produce, in which there is a methyl group in the m-position in the phenolic radicals to the oxy group. These compounds are obtained by e.g. B. the from m-cresol or its derivatives with aliphatic monocarboxylic acids, in particular ketones obtainable with acetic acid and propionic acid into the corresponding pinacones transferred, from which then by dehydration in a known manner the new butadiene compounds are obtained.

Beispiel i 559 m-Kresol werden in zoo ccm Nitrobenzol gelöst und mit 70 g wasserfreiem Aluminiumchlorid versetzt. Zu der Mischung läßt man dann unter kräftigem Rühren und gelindem Erwärmen auf etwa 4.o° 4o g Acetylchlorid zutropfen und rührt weiter, bis keine Salzsäureentwicklung mehr stattfindet. Danach treibt man das Nitrobenzol mit Wasserdampf ab, nachdem man die Reaktionsmischung unter Zusatz von Eis angesäuert hat, und gewinnt aus dein Rückstand der Wasserdampfdestillation durch fraktionierteDestillationp-Acetom-kresol. Man kann auch die Reaktionsmischung mit Wasser verdünnen und die organischen Bestandteile mit Äther extrahieren. Der nach dem Abdestillieren des Äthers verbleibende Rückstand wird dann durch Vakuumdestillation fraktioniert. Ausbeute etwa 6o °/o." 50 g des erhaltenen Ketons vom Schmelzpunkt 128'e werden darauf in etwa 6oo ccm 5o/oiger Natronlauge gelöst und kräftig mit 2o/oigem Natriumamalgam (2ooo g) geschüttelt. Die erhaltene Reaktionsmischung wird nach dem Abtrennen des Quecksilbers angesäuert und mit Äther extrahiert. Durch fraktionierte Hochvakuumdestillation erhält man aus dem nach dem Abdestillieren des Äthers verbleibenden Rückstand etwa 2o g Di-,(p-oxy-omethylphenyl)-butandiol vom Schmelzpunkt 188 bis 196°.Example i 559 m-cresol are dissolved in zoo cc of nitrobenzene, and 70 g of anhydrous aluminum chloride are added. Acetyl chloride is then added dropwise to the mixture with vigorous stirring and gentle heating to about 40 ° 40 g, and stirring is continued until no more hydrochloric acid is evolved. The nitrobenzene is then driven off with steam after the reaction mixture has been acidified with the addition of ice, and p-acetome-cresol is obtained from the residue of the steam distillation by fractional distillation. You can also dilute the reaction mixture with water and extract the organic components with ether. The residue remaining after the ether has been distilled off is then fractionated by vacuum distillation. Yield about 60%. " 50 g of the ketone obtained with a melting point of 128'e are then dissolved in about 600 ccm of 50% sodium hydroxide solution and vigorously shaken with 20% sodium amalgam (2,000 g) Mercury acidified and extracted with ether. Fractional high vacuum distillation gives about 20 g of di-, (p-oxy-omethylphenyl) -butanediol with a melting point of 188 ° to 196 ° from the residue remaining after the ether has been distilled off.

2o g dieses Butandiols werden in 2oa ccm Essigsäureanhydrid gelöst und nach Zusatz von 2o g Acetylchlorid unter Rückfluß 4 Stunden gekocht. Danach wird das überschüssige Acetylchlorid und das Essigsäureanhydrid abdestilliert und der Rückstand fraktioniert im Hochvakuum destilliert. Man erhält rund 8 g Di-(p-acetoxy-o-methylphenyl)-butadien vom Schmelzpunkt 122 bis 1280, das durch Umkristallisieren aus goo/oigem Äthylalkohol weitergereinigt werden kann. Schmelzpunkt 127 bis 129.0,.20 g of this butanediol are dissolved in 20 cc acetic anhydride and boiled under reflux for 4 hours after the addition of 20 g of acetyl chloride. Thereafter the excess acetyl chloride and the acetic anhydride are distilled off and the residue is fractionally distilled in a high vacuum. About 8 g of di- (p-acetoxy-o-methylphenyl) butadiene are obtained from melting point 122 to 1280, obtained by recrystallization from goo / oigem ethyl alcohol can be further cleaned. Melting point 127 to 129.0.

Durch Verseifung dieser Acetylverbindung mit 5o/oiger alkoholischer Natronlauge erhält man daraus das freie 2, 3-Di-(p-oxy-o-methylphenyl)-butadien-1, 3 vom Schmelzpunkt 158 bis 1640 in etwa goo/oiger Ausbeute. Diese Verbindung ist im »Allen-Doisy-Test« an der kastrierten Ratte mit 1,,5 y voll wirksam.By saponifying this acetyl compound with 50% alcoholic Sodium hydroxide solution is used to obtain the free 2,3-di- (p-oxy-o-methylphenyl) -butadiene-1, 3 from melting point 158 to 1640 in about goo / oiger yield. This connection is fully effective with 1.5 y in the "Allen-Doisy test" on the castrated rat.

Beispie12 In gleicher Weise erhält man aus 55 g m-Kresol in Zoo ccm Schwefelkohlenstoff mit 55 g Propionylchlorid das entsprechende Propiokresol vom Schmelzpunkt 114 bis- r15°, das durch Natriumamalgam in das entsprechende Diod vom Schmelzpunkt 182 bis 183° übergeführt wird. Aus diesem läßt sich dann durch Wasserabspaltung das Diacetat des 3, 4-Di-(p-oxy-o-methylphenyl)-hexadiens-2, 4 gewinnen, das einen Schmelzpunkt von 166bis 168° hat und durch Verseifung mit alkoholischer Natronlauge in das freie Phenol, das 3, 4-Di-(p-oxy-omethylphenyl)-hexadien-2, 4, übergeht, das bei 187 bis 189'° schmilzt. Die Ausbeuten sind etwa die gleichen wie im Beispiel 1.Example12 In the same way, 55 g of m-cresol in zoo ccm are obtained Carbon disulfide with 55 g of propionyl chloride, the corresponding propiocresol from Melting point 114 to 15 °, which is converted into the corresponding diode by sodium amalgam Melting point 182 to 183 ° is converted. From this can then by splitting off water the diacetate of 3, 4-di- (p-oxy-o-methylphenyl) hexadiene-2, 4 win the one Has a melting point of 166 to 168 ° and by saponification with alcoholic sodium hydroxide solution in the free phenol, the 3,4-di- (p-oxy-omethylphenyl) -hexadiene-2,4, passes over, which melts at 187 to 189 °. The yields are about the same as in the example 1.

Claims (2)

PATENTANSPRÜCHE: 1. Verfahren zur Herstellung von 2, 3-Di-(p-oxyphenyl) butadienverbindungen oder deren Homologen, dadurch gekennzeichnet, daß man 2, 3-Di-(p-oxyphenyl)-butandiole-2, 3 oder deren Homologe,-in denen sich in den Oxyphenylresten eine Methylgruppe in m-Stellung zur Oxygruppe befindet, mit wasserabspaltenden Mitteln, gegebenenfalls solchen, die gleichzeitig acylierend auf die phenolischen Hydroxylgruppen wirken, in an sich bekannter Weise behandelt. PATENT CLAIMS: 1. Process for the preparation of 2, 3-di- (p-oxyphenyl) butadiene compounds or their homologues, characterized in that 2, 3-di- (p-oxyphenyl) -butanediols-2, 3 or their homologues, in which there is a methyl group in the oxyphenyl radicals in m-position to the oxy group, with dehydrating agents, if necessary those that have an acylating effect on the phenolic hydroxyl groups at the same time, treated in a manner known per se. 2. Verfahren nach Anspruch i, dadurch gekennzeichnet, daß eine Mischung von Essigsäureanhydrid und Acetylchlorid als wasserabspaltendes Mittel Verwendung findet. Angezogene Druckschriften: Journ. Amer. Chem. Soc. Bd. 7o, 1948, S. 2894 bis 2896; Bull. Soc. Chim. France, Bd. 1949, S. D 422; Journ. Endocrinol. Bd. 5, 1947, S. 158 bis 165; Ber. dtsch. Chem. Ges. Bd.74, 1941, S. 571 bis 588.2. The method according to claim i, characterized in that that a mixture of acetic anhydride and acetyl chloride as dehydrating Funds is used. Referred publications: Journ. Amer. Chem. Soc. Vol. 7o, 1948, pp. 2894 to 2896; Bull. Soc. Chim. France, 1949, pp. D 422; Journ. Endocrinol. Vol. 5, 1947, pp. 158 to 165; Ber. German Chem. Ges. Vol. 74, 1941, pp. 571 to 588.
DEF165A 1949-11-01 1949-11-01 Process for the preparation of 2,3-di- (p-oxyphenyl) -butadiene compounds or their homologues Expired DE884497C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEF165A DE884497C (en) 1949-11-01 1949-11-01 Process for the preparation of 2,3-di- (p-oxyphenyl) -butadiene compounds or their homologues

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Application Number Priority Date Filing Date Title
DEF165A DE884497C (en) 1949-11-01 1949-11-01 Process for the preparation of 2,3-di- (p-oxyphenyl) -butadiene compounds or their homologues

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DE884497C true DE884497C (en) 1953-07-27

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