Classifications

• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07J—STEROIDS
  • C07J7/00—Normal steroids containing carbon, hydrogen, halogen or oxygen substituted in position 17 beta by a chain of two carbon atoms
  • C07J7/0005—Normal steroids containing carbon, hydrogen, halogen or oxygen substituted in position 17 beta by a chain of two carbon atoms not substituted in position 21
  • C07J7/001—Normal steroids containing carbon, hydrogen, halogen or oxygen substituted in position 17 beta by a chain of two carbon atoms not substituted in position 21 substituted in position 20 by a keto group
  • C07J7/004—Normal steroids containing carbon, hydrogen, halogen or oxygen substituted in position 17 beta by a chain of two carbon atoms not substituted in position 21 substituted in position 20 by a keto group substituted in position 17 alfa
  • C07J7/0045—Normal steroids containing carbon, hydrogen, halogen or oxygen substituted in position 17 beta by a chain of two carbon atoms not substituted in position 21 substituted in position 20 by a keto group substituted in position 17 alfa not substituted in position 16
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
  • A61P13/00—Drugs for disorders of the urinary system
  • A61P13/02—Drugs for disorders of the urinary system of urine or of the urinary tract, e.g. urine acidifiers
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
  • A61P15/00—Drugs for genital or sexual disorders; Contraceptives
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
  • A61P17/00—Drugs for dermatological disorders
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
  • A61P25/00—Drugs for disorders of the nervous system
  • A61P25/04—Centrally acting analgesics, e.g. opioids

Definitions

• the present invention relates to the field of chemistry and more particularly to that of therapeutic chemistry.
• R represents a hydroxy radical, an acyloxy, an alkoxy, a halogen or a lower alkyl
• R ' represents a hydrogen, a halogen or else R and R' together form the oxygen of a carbonylated function
• R .. represents a hydrogen, a halogen, a hydroxyl, an alkoxy, an acyloxy or a lower alkyl
• R '.. represents hydrogen or halogen wine or else ⁇ L. and R ', together form the oxygen of a carbonylated function with the restriction that R, and R', are not simultaneously hydrogen or a halogen atom.
• the other cycles of the steroid nucleus are not shown. They are those of a pregnane and can carry a side chain of 11 ⁇ -dn oxoalkyl type having from 2 to 8 carbon atoms or hydroxyalkyl having from 2 to 8 carbon atoms or acyloxyalkyl having from 2 to 8 carbon atoms. Position 17 ⁇ -may contain a hydrogen, a free, esterified or alkylated hydroxyl having from 1 to 3 carbon atoms, a halogen or a saturated or unsaturated lower alkyl radical.
• Position 16 can also carry methyl, ethyl, methylene or be engaged in a carbon-carbon double bond with carbon 17 or carbon 15.
• Position 11 can carry a hydroxyl, the oxygen of a ketone function or a methylene radical.
• ⁇ represents hydroxy methyl, ethoxy methyl, halomethyl, formyl, lower alkyl or dialkoxymethyl. Mention will be made very particularly, among these compounds, of the methylated 19-nor pregna 4-ene 6-hydroxy which are the currently preferred compounds corresponding to the partial formula C
• the hydroxymethyl group can be oriented ⁇ or (3.
• These pregnanes may contain a hydroxyl or a 17 ⁇ alkyl and an oxoalkyl or hydroxyalkyl chain, linear or branched, in position 17 ⁇ .
• the invention also includes the 6-methylenic derivatives of partial formula D
• the invention relates specifically as new compounds to the following derivatives: _ 4 _
• the compounds according to the invention show interesting pharmacological properties and in particular powerful progestromimetic properties. They therefore find use as a progestin drug in the treatment or prevention of menopausal syndromes such as hot flashes, skin disturbances, circulatory disorders.
• compositions intended for administration by the parenteral, digestive, rectal, pe ⁇ uqueuse or percutaneous route are used in the form of pharmaceutical compositions intended for administration by the parenteral, digestive, rectal, pe ⁇ uqueuse or percutaneous route. They will therefore be presented in the form of solutions or injectable suspensions packaged in ampoules, auto-injectable syringes or multi-dose vials; in the form of naked or coated tablets, dragees, capsules, capsules, pills, cachets, powders, suppositories or rectal capsules; solutions or suspensions for percutaneous use in a polar solvent; creams, gels or ointments; and finally, suppositories.
• the compounds according to the invention are administered at a dose varying from 20 to 50 mg and preferably from 5 to 25 mg per unit dose.
• the daily dosage ranges from 5 to 200 mg per day depending on the therapeutic indication and the route of administration.
• the invention also relates to a process for producing the compounds of formula A
• R ⁇ is an alkyl radical which is less than the action of a vislmeier-hack-type forming agent to form the corresponding 6-fo ⁇ ylated derivative (III)
• R 2 has the previous meaning which can be reduced by the action of a mixed alkali metal hydride to form the corresponding hydroxymethylated derivative (IV)
• R 3 is an optionally substituted lower alkyl radical or under acylation followed by acid hydrolysis to obtain the acyloxymethyl derivative of general formula VI
• Ac represents the acyl residue of an aliphatic, aromatic, heterocyclic or cycloalkyl carboxylic organic carboxylic acid having from 1 to 10 carbon atoms or to an acylation by a functional derivative of an easily labile acid, then subjects it to mono or dihalogenation by action of an alkali metal fluoride to form a halogen derivative of structure
• the formyl derivative III is reacted with an alkyl metal salt such as an alkyl magnesium halide, an alkyl zinc halide or a halide. of alkyl cadmium to form the corresponding carbinol which is treated in an acidic aqueous medium to obtain the corresponding alkylidene derivative and then is ⁇ merized using a noble metal such as palladium, to a 6-alkylated derivative.
• an alkyl metal salt such as an alkyl magnesium halide, an alkyl zinc halide or a halide.
• the invention also relates to a process for obtaining the compounds of partial formula B which consists in subjecting an enolic ether of partial formula IV
• R 1 is an alkyl radical lower than the action of a quinone dehydrogenation agent in an inert solvent miscible with water to form, after destruction of the excess reagent, a hydroxy methyl derivative of partial formula VS
• the quinone dehydrogenating agent is preferably dibromodicyanobenzoquinone, choranil, dichloronaphthoquinone or dichlorodicyano benzoquinone.
• the reactive ester is preferably a methane sulfonate, a p.toluene ⁇ ulfonate or a trifluoromethyl ⁇ ulfonate.
• the alkali metal halide is preferably sodium or potassium fluoride, or sodium chloride in the presence of an alkali metal acetate.
• the polar solvent is pyridine, dimethylformamide or diethyl acetamide.
• the dihaloethyl derivatives are obtained by a process which consists in reacting the formyl derivative of partial formula III with a halide of dihalosulfonium such as DAST (diethylaminosulfur trifluoride).
• DAST diethylaminosulfur trifluoride
• the above product is introduced into a stirred suspension of 1.5 g of palladium-on-carbon at 5% palladium in 220 ml of methanol previously brought to reflux. After maintaining the reflux for 2 hours, it is cooled and filtered. The dry evaporation product is chromatographed on silica and eluted with a toluene 95 / ethyl acetate 5 mixture. 1.6 g of crude product are obtained which are recrystallized from isopropyl ether. 0.9 g of white crystals are separated. PF. ⁇ 161-162 °
• the product is chromatographed on silica and eluted with a toluene / ethyl acetate mixture (90/10). Recrystallized from 14 volumes of methanol and separated 1.5 g of acetoxy-17 ⁇ ethylidene-6 dioxo-3.20 nor-19 pregnene-4.
• reaction is followed by thin layer chromatography. The reaction is complete after 45 min. It is precipitated in 1 l of water. A precipitate is observed which is filtered. The mother liquors are extracted twice with 500 ml of dichloromethane.
• the purification is carried out on a silica column, a first product (A) 5.5 g and a second product (B) 1.2 g are separated in order.
• Product A is recrystallized from methanol and provides 3 g of acetoxy-17 ⁇ hydroxymethyl-6 dioxo-3.20 nor-19 pregnadiene-4.6.
• Mpk 202.4 ° C
• Product B is also crystallized from methanol and provides 0.3 g of hydroxy-17 ⁇ hydroxymethyl-6 dioxo-3.20 pregnadiene-4.6. Melting point (Profession): 251 ° C
• the solution is heated at 60 ° C for 4 h.
• the excess anhydride is broken down with water.
• the product is extracted with toluene and washed with water.
• the product is purified on a silica column. 0.25 g of a white product is obtained.

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• Health & Medical Sciences (AREA)
• Chemical & Material Sciences (AREA)
• Organic Chemistry (AREA)
• General Health & Medical Sciences (AREA)
• Veterinary Medicine (AREA)
• Animal Behavior & Ethology (AREA)
• Public Health (AREA)
• Engineering & Computer Science (AREA)
• Chemical Kinetics & Catalysis (AREA)
• General Chemical & Material Sciences (AREA)
• Medicinal Chemistry (AREA)
• Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
• Bioinformatics & Cheminformatics (AREA)
• Pharmacology & Pharmacy (AREA)
• Life Sciences & Earth Sciences (AREA)
• Neurology (AREA)
• Biomedical Technology (AREA)
• Neurosurgery (AREA)
• Pain & Pain Management (AREA)
• Endocrinology (AREA)
• Reproductive Health (AREA)
• Dermatology (AREA)
• Urology & Nephrology (AREA)
• Steroid Compounds (AREA)
• Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

Applications Claiming Priority (3)

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• 1991
  • 1991-07-18 FR FR9109097A patent/FR2679236B1/fr not_active Expired - Fee Related
• 1992
  • 1992-07-17 AU AU23884/92A patent/AU2388492A/en not_active Abandoned
  • 1992-07-17 PL PL92315036A patent/PL172522B1/pl unknown
  • 1992-07-17 PL PL92315037A patent/PL172502B1/pl unknown
  • 1992-07-17 JP JP5502638A patent/JPH06509108A/ja active Pending
  • 1992-07-17 PL PL92302050A patent/PL172677B1/pl unknown
  • 1992-07-17 WO PCT/FR1992/000697 patent/WO1993002095A1/fr not_active Application Discontinuation
  • 1992-07-17 HU HU9400134A patent/HU219456B/hu not_active IP Right Cessation
  • 1992-07-17 KR KR1019940700153A patent/KR100249554B1/ko not_active IP Right Cessation
  • 1992-07-17 CA CA002113475A patent/CA2113475A1/fr not_active Abandoned
  • 1992-07-17 EP EP92916536A patent/EP0595990A1/fr not_active Withdrawn
  • 1992-07-17 BR BR9206282A patent/BR9206282A/pt not_active Application Discontinuation
  • 1992-07-20 TN TNTNSN92064A patent/TNSN92064A1/fr unknown
• 1994
  • 1994-01-14 OA OA60456A patent/OA09929A/fr unknown
  • 1994-01-17 FI FI940223A patent/FI940223A/fi unknown
  • 1994-01-17 NO NO940159A patent/NO305961B1/no not_active IP Right Cessation
• 1996
  • 1996-08-08 AU AU61966/96A patent/AU691431B2/en not_active Ceased

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