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• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07D—HETEROCYCLIC COMPOUNDS
  • C07D401/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom
  • C07D401/02—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings
  • C07D401/04—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings directly linked by a ring-member-to-ring-member bond
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
  • A61P1/00—Drugs for disorders of the alimentary tract or the digestive system
• • 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
  • A61P17/02—Drugs for dermatological disorders for treating wounds, ulcers, burns, scars, keloids, or the like
• • 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
• • 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
  • A61P25/18—Antipsychotics, i.e. neuroleptics; Drugs for mania or schizophrenia
• • 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
  • A61P25/24—Antidepressants
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
  • A61P27/00—Drugs for disorders of the senses
  • A61P27/02—Ophthalmic agents
  • A61P27/06—Antiglaucoma agents or miotics
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
  • A61P3/00—Drugs for disorders of the metabolism
  • A61P3/04—Anorexiants; Antiobesity agents
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
  • A61P3/00—Drugs for disorders of the metabolism
  • A61P3/08—Drugs for disorders of the metabolism for glucose homeostasis
  • A61P3/10—Drugs for disorders of the metabolism for glucose homeostasis for hyperglycaemia, e.g. antidiabetics
• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07D—HETEROCYCLIC COMPOUNDS
  • C07D401/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom
  • C07D401/14—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing three or more hetero rings

Definitions

• the present invention relates to new phenoxypropanolamines, pharmaceutical compositions containing them, a process for their preparation and intermediates in this process.
• BE902897 describes aryloxypropanolamines carrying a 4-piperidininyl-1-group substituted on the amine, these compounds having a ⁇ x-blocking and ⁇ -blocking activity.
• the present invention relates, according to one of its aspects, phenoxypropanolamines of formula (I)
• Ri represents a hydrogen, a group -S (O) z - (C ⁇ -C 4 ) Alk-R ',
• R ' being H, phenyl or (C- * . -C 4 ) alkoxy), -NHS0 2 - (C ⁇ -C 4 ) Alk, NHCO (C ⁇ -C 4 ) Alk; m and n are each independently 0, 1 or 2; R 2 and R 3 independently represent hydrogen, a group
• R 2 and R 3 cannot simultaneously represent hydrogen;
• R 2 and R 3 can also together constitute a saturated or unsaturated ring of 3 to 8 atoms which can carry a substituent ⁇ C x - C 4 ) alkyl, amino (C ⁇ -C 4 ) alkyl, carbamoyl or benzyl,;
• R represents a hydrogen or a halogen, a group -CO (C ⁇ - C 4 ) Alk or a group -NHS0 2 - (C ⁇ * -C 4 ) Alk; a group (C ⁇ -C 4 ) Alk, a group (Ci-C 4 ) alkoxy, -COOH, -COO (C 1 -C 4 ) Alk, -CN, -CONR 3
• (C ⁇ -C 4 ) Alk denotes a monovalent radical of a saturated C ⁇ -C hydrocarbon with a straight or branched chain.
• aralkyl denotes a saturated straight or branched chain divalent alkyl radical carrying an aromatic ring.
• heterooaralkyl designates a saturated straight or branched chain divalent alkyl radical carrying a heteroaromatic ring.
• the salts of the compounds of formula (I) and (la) according to the present invention also include the addition salts with pharmaceutically acceptable inorganic or organic acids such as the hydrochloride, bromhydate, sulphate, hydrogen sulphate, dihydrogen phosphate , citrate, maleate, tartrate, fumarate, gluconate, methanesulfonate, 2-naphthalenesulfonate, etc., as addition salts which allow separation or suitable crystallization of the compounds of formula (I) or ( la) such as picrate, oxalate or addition salts with optically active acids, for example acids camphosulfonic and mandelic or substituted mandelic acids.
• pharmaceutically acceptable inorganic or organic acids such as the hydrochloride, bromhydate, sulphate, hydrogen sulphate, dihydrogen phosphate , citrate, maleate, tartrate, fumarate, gluconate, methanesulfonate, 2-naphthalenesul
• the salts also include the salts with mineral bases, preferably those with alkali metals such as sodium or potassium, or with organic bases.
• optically pure stereoisomers as well as mixtures of isomers of the compounds of formula (I), due to asymmetric carbons or to the sulfinyl group in the meaning of R 1f in any proportion, are part of the present invention.
• Preferred compounds of the present invention include the compounds of formula (I) wherein the CONR 2 R 3 group is in the 5 position of pyridine.
• Still other preferred compounds are those where m is zero.
• the compounds of formula (I) can be prepared by treating a compound of formula (II):
• n, m and CONR 2 R 3 are as defined above, by cleaving the group P 'according to the usual methods and optionally transforming the compound of formula (I) thus obtained into one of its salts.
• reaction between the compounds of formula (II) and (III) is carried out in an organic solvent, such as a lower alcohol such as methanol, ethanol and isopropanol; dimethyl sulfoxide; a linear or cyclic ether; an amide such as dimethylformamide or dimethylacetamide; using at least equimolecular quantities of the reactants, possibly in small excess of amine.
• organic solvent such as a lower alcohol such as methanol, ethanol and isopropanol
• dimethyl sulfoxide such as methanol, ethanol and isopropanol
• a linear or cyclic ether such as an amide such as dimethylformamide or dimethylacetamide
• amide such as dimethylformamide or dimethylacetamide
• protecting groups P ′ it is possible to use the usual protecting groups for hydroxy groups such as for example methoxyethoxymethyl (MEM) or benzyl.
• MEM methoxyethoxymethyl
• cleavage of these protecting groups is carried out according to the usual methods for the chosen protecting group; in the case of the benzyl group, for example by hydrogenation in the presence of a catalyst such as Pd / C in a suitable solvent; in the case of methoxyethoxymethyl (MEM) we can on the other hand use an acid such as trifluoroacetic acid.
• a catalyst such as Pd / C in a suitable solvent
• MEM methoxyethoxymethyl
• epoxides of formula (II) are compounds known in the literature or they can be prepared by methods analogous to those described in the literature. Certain epoxides of formula (II) are for example described in WO 96/04233 and in US 4,396,629. According to these methods, other epoxides of formula (II) where Ri is a group S (O) (C ⁇ - C) Alk-R 'can be prepared from phenols of formula (IV).
• the phenols of formula (IV) can be prepared by selective deprotection of the compounds of formula (V) where R 5 represents a group (C 2 -C 4 ) Alk-R 'and P' represents a protective group such as methoxyethoxymethyl (MEM ) or para - methoxybenzyl (pMB).
• R 5 represents a group (C 2 -C 4 ) Alk-R 'and P' represents a protective group such as methoxyethoxymethyl (MEM ) or para - methoxybenzyl (pMB).
• MEM methoxyethoxymethyl
• pMB para - methoxybenzyl
• the compounds of formula (V) can be prepared by alkylation of compounds of formula (VI) using a strong base, in the presence of an alkylating agent; for example, using lithium diisopropylamide and methyl iodide in tetrahydofuran at -50 ° C.
• the compounds of formula (VI) can be prepared by protecting the phenol function of compounds of formula (VII), or P '' represents a protective group such as methoxyethoxymethyl (MEM) or para-methoxybenzyl (pMB); for example, by the action of para-methoxybenzyl chloride in the presence of a base such as sodium hydride, in a solvent such as dimethylformamide.
• a protective group such as methoxyethoxymethyl (MEM) or para-methoxybenzyl (pMB)
• the amines of formula (III) can be prepared by reaction of the suitable pyridines of formula (Villa) or (Vllb)
• n is as defined above and P represents a protective group, in an organic solvent in the presence of a base, followed by cleavage of the P group of the compounds of formula (X) thus obtained.
• the amide group CONR 2 R 3 is introduced onto the pyridine by formation of an amide link between a carboxylic acid and the appropriate amine, optionally protected on the functional groups which may interfere, in the presence of a coupling agent such as 1- [ 3 - (dimethylamino) propyl] -3- ethylcarbodiimide (DCI), dicyclohexylcarbodiimide (DCC), 1- hydroxy-benzotriazole (HOBt), (benzotriazol-1-yloxy) tris- (dimethylamino) phosphonium hexafluoriphosphate (BOP).
• a coupling agent such as 1- [ 3 - (dimethylamino) propyl] -3- ethylcarbodiimide (DCI), dicyclohexylcarbodiimide (DCC), 1- hydroxy-benzotriazole (HOBt), (benzotriazol-1-yloxy) tris- (dimethyla
• reaction solvent it is possible, for example, to use dimethylformamide, pyridine, dimethyl sulfoxide, a linear or cyclic ether or a chlorinated solvent such as dichloromethane.
• an alkali hydroxide an alkali carbonate such as potassium carbonate or a tertiary amine such as triethylamine can be used, for example.
• the reaction temperature is between room temperature and the reflux temperature of the chosen solvent.
• protecting groups P it is possible to use the usual protecting groups for amines such as for example tert-butoxycarbonyl, acetyl, carbobenzyloxy.
• cleavage of these protective groups is carried out according to the usual methods described according to the chosen protective group; in the case of tert-butoxycarbonyl for example, the cleavage is normally carried out by acid hydrolysis.
• n, m and Ri are as defined above, P x and P 2 are protective groups, with an amine of formula (XII) in the presence of a coupling agent,
• reaction between the compounds of formula (XI) and (XII) is carried out in an organic solvent, such as dimethylformamide, pyridine, dimethyl sulfoxide, a linear or cyclic ether or a chlorinated solvent such as dichloromethane.
• organic solvent such as dimethylformamide, pyridine, dimethyl sulfoxide, a linear or cyclic ether or a chlorinated solvent such as dichloromethane.
• an alkali hydroxide an alkali carbonate such as potassium carbonate or a tertiary amine such as triethylamine can be used, for example.
• the formation of the above amide is completed in a few hours, normally in 12-24 hours.
• the reaction temperature is between room temperature and the reflux temperature of the chosen solvent.
• protecting groups P x it is possible to use the usual protecting groups for hydroxy groups such as for example methoxyethoxymethyl (MEM) or benzyl.
• MEM methoxyethoxymethyl
• cleavage of these protecting groups is carried out according to the usual methods for the chosen protecting group; in the case of the benzyl group, for example by hydrogenation in the presence of a catalyst such as Pd / C in a suitable solvent; in the case of the methoxyethoxymethyl (MEM) one can on the other hand use an acid such as trifluoroacetic acid.
• protecting groups P 2 it is possible to use the usual protecting groups for amines such as for example tert-butoxycarbonyl, acetyl, carbobenzyloxy.
• the cleavage of these protective groups is carried out according to the usual methods described the protective group chosen; in the case of tert-butoxycarbonyl for example, the cleavage is normally carried out by acid hydrolysis.
• the acids of formula (XI) can be prepared by hydrolysis of the esters (XIII) in which R 6 represents a C ⁇ _ 6 alkyl group, according to methods known to those skilled in the art for example, by treatment with a base such as sodium hydroxide in a mixture of solvent such as methanol, water and tetrahydrofuran.
• a base such as sodium hydroxide in a mixture of solvent such as methanol, water and tetrahydrofuran.
• esters of formula (XIII) can be prepared by protecting the secondary amine function of the esters (XIV) in which R 6 represents a C ⁇ -6 alkyl group, according to methods known to those skilled in the art for example, by the action of di- ert-butyl dicarbonate in a solvent such as ethyl acetate.
• the compounds of formula (I) have shown a very powerful affinity for ⁇ 3 receptors.
• the compounds of formula (I) are not very toxic; in particular, their acute toxicity is compatible with their use as medicaments for the treatment of diseases in which the compounds having an affinity for the ⁇ 3 receptor find their application.
• the compounds of formula (I), as well as their pharmaceutically acceptable salts, can therefore be indicated for example in the treatment of gastrointestinal diseases such as irritable bowel syndrome, as modulators of intestinal motility, as lipolytics, anti- obesity, anti-diabetic, psychotropic, anti-glaucomatous, scarring, anti-depressants, as an inhibitor of uterine contractions, as tocolytics to prevent or delay early deliveries, for the treatment and / or prophylaxis of dysmenorrhea.
• mammals which require such treatment are administered an effective amount of a compound of formula (I) or of a pharmaceutically acceptable salt and solvate thereof.
• the compounds of formula (I) above and their pharmaceutically acceptable salts and solvates can be used in daily doses of 0.01 to 20 mg per kg of body weight of the mammal to be treated, preferably in daily doses of 0, 1 to 10 mg / kg.
• the dose may preferably vary from 0.5 g to 1500 mg per day, in particular from 2.5 to 500 mg depending on the age of the subject to be treated, the type of treatment, prophylactic or curative, and the severity of the condition.
• the compounds of formula (I) are generally administered in dosage units of 0.1 to 500 mg, preferably 0.5 to 100 mg of active principle, one to five times a day.
• Said dosage units are preferably formulated in pharmaceutical compositions in which the active principle is mixed with a pharmaceutical excipient.
• the present invention relates to pharmaceutical compositions containing, as active principle, a compound of formula (I) above or one of its pharmaceutically acceptable salts and solvates.
• the active ingredients of formula (I) above, their pharmaceutically acceptable salts and solvates can be administered in unit administration forms, in admixture with conventional pharmaceutical carriers, to animals and humans, for the treatment of the above-mentioned conditions.
• Suitable unit administration forms include oral forms such as tablets, capsules, powders, granules and oral solutions or suspensions, sublingual and oral administration forms, subcutaneous administration forms , intramuscular or intravenous, forms of local administration and forms of rectal administration.
• the main active ingredient is mixed with a pharmaceutical carrier such as gelatin, starch, lactose, magnesium stearate, talc, gum arabic or the like.
• a pharmaceutical carrier such as gelatin, starch, lactose, magnesium stearate, talc, gum arabic or the like.
• the tablets can be coated with sucrose or other suitable materials or else they can be treated in such a way that they have a prolonged or delayed activity and that they continuously release a predetermined quantity of active principle.
• a preparation in capsules is obtained by mixing the active ingredient with a diluent and by pouring the mixture obtained into soft or hard capsules.
• a preparation in the form of a syrup or elixir may contain the active ingredient together with a sweetener, preferably calorie-free, methylparaben and propylparaben as antiseptics, as well as a flavoring agent and an appropriate color.
• a sweetener preferably calorie-free, methylparaben and propylparaben as antiseptics, as well as a flavoring agent and an appropriate color.
• the water dispersible powders or granules may contain the active ingredient in admixture with dispersing agents or wetting agents, or suspending agents, such as polyvinylpyrrolidone, as well as with sweeteners or correctors taste.
• the active principle is mixed in an excipient for the preparation of creams or ointments or it is dissolved in a vehicle for intraocular administration, for example, in the form of eye drops.
• Suppositories are used for rectal administration which are prepared with binders that melt at rectal temperature, for example cocoa butter or polyethylene glycols.
• aqueous suspensions, saline solutions or sterile injectable solutions which contain pharmacologically compatible dispersing agents and / or wetting agents, for example propylene glycol or butylene glycol.
• the active principle can also be formulated in the form of microcapsules, optionally with one or more carriers or additives.
• the present invention relates to a method of treatment of pathologies which are improved by a ⁇ 3 -agonist action, which comprises administering a compound of formula (I) or one of its pharmaceutically acceptable salts or solvates.
• the compounds of formula (I), in particular the compounds (I) labeled with an isotope, can also be used as laboratory tools in biochemical tests.
• the compounds of formula (I) bind to the ⁇ 3 - adrenergic receptor. These compounds can therefore be used in an ordinary binding test, in which an organic tissue is used where this receptor is particularly abundant, and the quantity of compound (I) displaced by a test compound is measured, to evaluate the affinity of said compound vis-à-vis the binding sites of this particular receptor.
• Another specific object of the present invention is therefore a reagent usable in biochemical tests, which comprises at least one suitably labeled compound of formula (I).
• a mixture of 3 g (0.015 mole) of the product of preparation 1, 1.5 g (0.015 mole) of triethylamine and 2.34 g (0.015 mole) of 6-chloronicotinamide in 60 are heated at 80 ° C. for 18 hours. ml of dimethylformamide. After cooling, water is added and the product is filtered. 2.8 g of the title compound are thus obtained. Mp 255 ° C dec.
• PREPARATION 9 4-amino-1- (5-piperidin-1-ylcarbonylpyridi-2-yDpiperidine
• a solution of 0.475 g of 4- ert-butoxycarbonyl amino-1- (5-piperidin-1-ylcarbonylpyridi-2-yl) piperidine (1.24 mmol) and 5 ml of trifluoroacetic acid in 20 ml of dichloromethane is stirred for 1 hour.
• the reaction medium is concentrated under reduced pressure, then taken up in dichloromethane.
• the aqueous phase is extracted five times with dichloromethane.
• the purified product was analyzed by HPLC under the following conditions.
• Devices Two Shimatzu LC8 pumps coupled to a UV detector
• SPD10-A and an API 100 PE sciex mass spectrometer.
• the purified product was analyzed by HPLC under the following conditions.
• SPD10-A and an API 100 PE sciex mass spectrometer.

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Citations (5)

• 1999
  • 1999-12-17 FR FR9915933A patent/FR2802533B1/fr not_active Expired - Fee Related
• 2000
  • 2000-12-15 AU AU25273/01A patent/AU2527301A/en not_active Abandoned
  • 2000-12-15 JP JP2001544717A patent/JP2003528046A/ja not_active Ceased
  • 2000-12-15 EP EP00988936A patent/EP1242404B1/fr not_active Expired - Lifetime
  • 2000-12-15 US US10/149,626 patent/US6852736B2/en not_active Expired - Fee Related
  • 2000-12-15 AT AT00988936T patent/ATE270668T1/de not_active IP Right Cessation
  • 2000-12-15 DE DE60012048T patent/DE60012048T2/de not_active Expired - Lifetime
  • 2000-12-15 WO PCT/FR2000/003559 patent/WO2001044227A1/fr not_active Ceased

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