WO1982003860A1 - Derives de l'acide 1,4-thiazane-carboxylique, leurs preparation et utilisation ainsi que les compositions contenant ces derives - Google Patents
Derives de l'acide 1,4-thiazane-carboxylique, leurs preparation et utilisation ainsi que les compositions contenant ces derives Download PDFInfo
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- WO1982003860A1 WO1982003860A1 PCT/BE1982/000009 BE8200009W WO8203860A1 WO 1982003860 A1 WO1982003860 A1 WO 1982003860A1 BE 8200009 W BE8200009 W BE 8200009W WO 8203860 A1 WO8203860 A1 WO 8203860A1
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- 0 CC1(*)S(C)C(*)C(*)(*)N(*)C1* Chemical compound CC1(*)S(C)C(*)C(*)(*)N(*)C1* 0.000 description 3
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D279/00—Heterocyclic compounds containing six-membered rings having one nitrogen atom and one sulfur atom as the only ring hetero atoms
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D513/00—Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for in groups C07D463/00, C07D477/00 or C07D499/00 - C07D507/00
- C07D513/02—Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for in groups C07D463/00, C07D477/00 or C07D499/00 - C07D507/00 in which the condensed system contains two hetero rings
- C07D513/04—Ortho-condensed systems
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P7/00—Drugs for disorders of the blood or the extracellular fluid
- A61P7/02—Antithrombotic agents; Anticoagulants; Platelet aggregation inhibitors
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D279/00—Heterocyclic compounds containing six-membered rings having one nitrogen atom and one sulfur atom as the only ring hetero atoms
- C07D279/10—1,4-Thiazines; Hydrogenated 1,4-thiazines
- C07D279/12—1,4-Thiazines; Hydrogenated 1,4-thiazines not condensed with other rings
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D279/00—Heterocyclic compounds containing six-membered rings having one nitrogen atom and one sulfur atom as the only ring hetero atoms
- C07D279/10—1,4-Thiazines; Hydrogenated 1,4-thiazines
- C07D279/14—1,4-Thiazines; Hydrogenated 1,4-thiazines condensed with carbocyclic rings or ring systems
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D279/00—Heterocyclic compounds containing six-membered rings having one nitrogen atom and one sulfur atom as the only ring hetero atoms
- C07D279/10—1,4-Thiazines; Hydrogenated 1,4-thiazines
- C07D279/14—1,4-Thiazines; Hydrogenated 1,4-thiazines condensed with carbocyclic rings or ring systems
- C07D279/16—1,4-Thiazines; Hydrogenated 1,4-thiazines condensed with carbocyclic rings or ring systems condensed with one six-membered ring
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D513/00—Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for in groups C07D463/00, C07D477/00 or C07D499/00 - C07D507/00
- C07D513/02—Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for in groups C07D463/00, C07D477/00 or C07D499/00 - C07D507/00 in which the condensed system contains two hetero rings
- C07D513/10—Spiro-condensed systems
Definitions
- the subject of the present invention is derivatives of 1,4-thiazane-carboxylic acid as well as the salts of these compounds, their methods of preparation as well as pharmaceutical compositions containing at least one of these derivatives and their method of use
- R 1 and R 2 which may be the same or different, represent hydrogen, a linear or branched alkyl radical C 1 , C 2 , C 3 or C 4 or a phenyl ring, optionally substituted by a halogen atom such as fluorine, chlorine or bromine, by a linear or branched alkyl radical C 1 , C 2 , C 3 or C 4 or by a linear or branched alkoxy radical C 1 , C 2, C 3 or C 4 ,
- R 1 and R 2 may form, with the neighboring carbon atom, a cycloalkyl of 3, 4, 5, 6, 7 or 8 carbon atoms of which one or more carbon atoms may optionally be replaced by a sulfur atom, .. oxygen or by an SO, SO 2 or NR 8 group in which R 8 represents hydrogen, a linear or branched C 1 , C 2 , C 3 or C 4 alkyl radical, a phenyl ring or a benzyl group.
- R 3 re present in te: - a hydroxyl group an OR 9 group in which R 9 represents a linear or branched alkyl group C 1 , C 2 , C 3 , C 4 , C 5 , C 6 , C 7 ,
- R 10 represents hy drogen or an alkyl radical C 1 or C 2 and R 11 represents a linear or branched alkyl radical C 1 , C 2 , C 3 , C 4 , C5 ' C 6 , C 7, C 8, C 9, C 10, C 11, C 12
- R 12 and R 13 which can be the same or different, represent hydrogen, a linear or branched C 1 , C 2 , C 3 or C 4 alkyl radical, a 3-phthalidyl group or a 1- (2,5-dioxopyrrolidinyl) -1-ethoxy group
- R 4 represents a hydrogen atom, a linear or branched alkyl radical C 1 , C 2 , C 3 , C 4 , C 5 , C 6 , C 7 or C 8 or a linear or branched acyl group C 1 , C 2 , C 3 , C 4 , C 5, C 6 , C 7 or C 8 or a CONH 2 group,
- R 3 and R 4 may form with the neighboring carbon and nitrogen atoms a hydantoin ring
- R 5 and R 6 which may be the same or different, represent hydrogen, a linear or branched alkyl radical C 1 , C 2 , C 3 , C 4 , C 5 , C 6 , C 7 or C 8 , a phenyl ring optionally substituted by a halogen atom such as fluorine, chlorine or bromine, by a linear or branched C 1 alkyl radical , C 2 , C 3 or C 4 or by a linear or branched alkoxy radical C 1 , C 2 , C 3 or C 4 , ung rou pe CH 2 COOR 1 4 in which R 14 represents hydrogen, a linear or branched C 1 , C 2 , C 3 or C 4 alkyl radical.
- R 7 represents hydrogen, a linear or branched C 1 , C 2 , C 3 or C 4 alkyl radical or a gem radical.
- dimethyl or a phenyl ring optionally substituted by a halogen atom such as fluorine, chlorine or bromine, by a linear or branched C 1 , C 2 , C 3 or C 4 alkyl radical or by a linear or branched C 1 alkoxy radical , C 2 , C 3 or C 4 , n can have the values 0, 1 or 2.
- R 1 , R 2 , R 4 , and R 7 represent hydrogen and if
- R 3 represents a hydroxyl group or a linear or branched C 1 -C 4 alkyl radical
- R 5 or R 6 do not represent hydrogen, a linear or branched C 1 -C 4 alkyl radical or a phenyl ring.
- R 1 and R 2 which may be identical or different, represent hydrogen, a linear or branched alkyl radical C 1 - C 4
- R 3 represents a hydroxyl group, a group OR 9 in which Rg represents a linear or branched C 1 -C 4 alkyl group, a group ⁇ or a group 10 in which R 10 represents hydrogen or a methyl radical and R 11 represents a linear or branched C 1 -C 8 alkyl radical.
- R 4 represents hydrogen or a methyl group.
- R 5 and R 6 which may be the same or different, represent hydrogen, a linear or branched C 1 -C 4 alkyl group or a CH 2 COOR 14 group in which R 14 represents hydrogen or a C alkyl group 1 -C 2 ,
- R 7 represents hydrogen; n can have the values 0 or 1.
- a preferred class of the compounds of formula I is that in which R 1 and R 2 represent hydrogen or a methyl group, R 3 represents a hydroxyl group or an OR 9 group in w hich R 9 rep res e te te g rou pe al kyl eli naa re or rami fi ed
- R 4 represents hydrogen or a methyl group
- R 5 represents hydrogen and R 6 represents a linear or branched C 1 -C 4 alkyl group
- R 7 represents hydrogen
- n can have the v-lcurs 0 or 1.
- Examples of compounds according to the invention are: 2,2,5-methyl-1,4-thiazane-3-carboxylic acid, 1-oxide,
- derivatives according to formula I are in the form of addition salts with acids, they can be transformed according to usual methods, into their free base or into salts with other acids.
- salts are non-toxic, pharmaceutically usable acid addition salts formed with suitable inorganic acids, for example hydrochloric acid, acid su! furic or acid phosphoric or with suitable organic acids, such as aliphatic, cycloaliphatic, aromatic, aral iphatic or heterocyclic, carboxylic or sulfonic acids, for example formic, acetic, propionic, succinic, glycolic, gluconic, lactic, malic, tartaric, citric acids , ascorbic, glucuronic, maleic, fumaric, pyruvic, aspartic, glutamic, benzoic, anthranilic, hydroxybenzoic, salicylic, phenylacetic, mandelic, embonic, methanesul fonique, ethanesulfonic, pantothenic, toluenesulfonic, sulfanilic, cyclohexyl aminyl, cycl ohexyl friendyl
- salts can also be derived from natural or unnatural amino acids such as lysine, glycine, arginine, ornithine, asparagine, glutamine, alanine, valine, threonine, serine, leucine, cysteine, etc ...
- R 3 represents an OH group
- the present invention also covers the salts formed between this carboxylic acid function thus obtained in formula I and bases such as sodium, potassium, lithium, ammonium or magnesium hydroxide , calcium as well as internal salts (zwitterions).
- the compounds of formula I may have one or more asymmetric centers and are capable of existing in the form of optical isomers, racemates or diastereoisomers; all of these forms are part of the present invention.
- the optical isomers can be obtained by stereospecific or ster ⁇ os ⁇ l ecti ve synthesis or by resolution of racemates according to conventional methods for example by formation of diast ⁇ r ⁇ o salts isomers by the action of optically active acids, such as tartaric, diacetyl tartaric, tartranilic, dibenzoyl tartaric, dito iuoyltartrique and separation of the mixture of diastereoisomers for example by crystallization or chromatography, then release of the optically active bases from these salts.
- the optically active compounds of formula I can also be obtained using optically active starting materials. The mixtures of diastereoisomers can be separated in the same way as the diastereoisomeric salts mentioned above.
- Thrombotic, arterial and venous affections are currently a cause of mortality and especially of very important morbidity in Western countries.
- the products of the invention allow a new therapeutic approach, different from that of substances acting on the functions of blood platelets on the one hand and that of fibrinolytic enzymes, on the other hand.
- the products of the invention can also be used in circumstances where a fall in the fibrinolytic activity of the blood occurs, for example, after surgery, during general anesthesia or in the case of diabetes treated with insulin.
- the products of the invention are indicated for the prevention of recurrent arterial or venous thrombotic accidents.
- the products of the invention are active orally, which allows easy use, and can be administered for long periods, in contrast to current fibrinolytic substances, since they are devoid of enzymatic activity, are not immunogenic and act through activators normally found in the body. Their use, alone or in combination with substances that inhibit blood platelets, allows a new approach to the treatment and prevention of arterial and venous thrombosis.
- compositions containing, as active ingredient, at least one compound of general formula I and / or one of its salts with a pharmaceutical excipient.
- these compositions are presented so that they can be administered orally, rectally or parenterally.
- the compositions for oral administration can be liquid or solid and presented in the form of tablets, capsules, granules, powders, syrups or suspensions; such compositions include the additives and excipients generally used in galenic pharmacy, inert diluents, disintegrating agents, binding agents and lubricating agents, such as lactose, starch, talc, gelatin, stearic acid, silicic acid, magnesium stearate , polyvinylpyrrol idone, calcium phosphate, calcium carbonate, etc.
- Such formulations can be made so as to prolong the disintegration and, consequently, the duration of action of the active ingredient.
- aqueous suspensions, the emulsions and the oily solutions are made in the presence of softening agents, such as dextrose or glycerol, perfuming agents, such as vanillin, for example, and may also contain thickening agents, wetting agents , preservatives.
- the emulsions and oily solutions are made in an oil of vegetable or animal origin and may contain emulsifying, perfuming, dispersing, softening and antioxidant agents.
- sterile water an aqueous solution of polyvinyl pyrrol idone, peanut oil, ethyl oleate, etc. are used as the vehicle.
- aqueous injectable solutions or oily oils may contain thickening, wetting, dispersing and gelling agents.
- the compounds according to the invention are prepared according to methods which form part of the present invention and defined below. In the cases where the processes give rise to the production of new intermediate compounds, these new compounds, as well as the processes which are necessary before preparation, also form part of the present invention.
- R 1, R 2 , R 3, R 4, R 5, R 6 , R 7 and n have been defined previously
- Cyclization is preferably carried out in a basic medium.
- the base can be organic such as the triethyl amino, pyridine, N, N-dimethyl anil or mineral such as, for example, the hydroxides of alkali metals such as sodium or potassium hydroxide or alternatively hydroxide d 'ammonium.
- the solvent will preferably be an inert organic solvent such as chlorinated solvents such as chloroform or dichloromethane, aromatic or aliphatic hydrocarbons such as benzene, toluene or the various fractions of petroleum ether or also solvents such as acetonitrile, N, N-dimethylformamide or dimethyl sulfoxide.
- the solvent used will preferably be water and the concentration of the basic solution will be from 0.01 N to 10 N and advantageously from 0.2 N to 2 N.
- the reaction takes place at a temperature between 0 ° C and the reflux temperature of the solvent.
- it can be very advantageous to work at a temperature close to ambient temperature, especially when the reagents or the products contain a preponderant stereoisomer which risks s' i sover if the conditions used are too harsh.
- Another way of proceeding consists in carrying out a cyclization starting from a cysteinyl derivative obtained according to the method described by J.F. Carson et al. in J. Org. Chem. 29, 2203 (1964), according to the following diagram
- R 1 , R 2 , R 3 , R 4 , R 5 , R 6 , R 7 and n have been defined previously and X represents a halogen atom such as chlorine, bromine or iodine, a hydroxyl group or an easily removable group such as, for example, a tosyl or mesyl group. If the cyclization takes place in a basic medium, the conditions described for the first process can be applied in the present case.
- a mineral or organic acid such as hydrochloric acid, hydrobromic acid, hydroiodic acid, phosphoric acid, sulfuric acid, formic acid, l 'acetic acid.
- dehydrating agents such as, for example, phosphorus hemipentoxide, concentrated sulfuric acid, a carbodiimide such as dicyclohexylcarbodiimide.
- reaction are generally carried out in inert organic solvents such as chlorinated solvents such as chloroform, dichloromethane, aromatic or aliphatic hydrocarbons such as benzene, toluene, xylene, chlorobenzene, dichlorobenzene, petroleum ether or also in solvents such as dimethyl sulfoxide or N, N-dimethyl formamide.
- chlorinated solvents such as chloroform, dichloromethane, aromatic or aliphatic hydrocarbons
- benzene, toluene, xylene chlorobenzene, dichlorobenzene
- petroleum ether or also in solvents such as dimethyl sulfoxide or N, N-dimethyl formamide.
- a cysteine derivative IV is cyclized by reaction with an ⁇ -halogen ketone V; an unsaturated cyclic compound VI is thus formed which is then reduced to derivative VII according to the scheme:
- R 1 , R 2 , R 3 , R 5 and R 7 have been defined above and Y represents a halogen atom such as chlorine, bromine or iodine.
- the first step of the process takes place in an inert organic solvent such as alcohols such as methanol, ethanol, propanol, ethers such as dioxane or tetrahydrofuran or in solvents such as dimethyl sulfoxide, N, N-dimethylformamide or in aromatic hydrocarbons such as benzene or toluene.
- an inert organic solvent such as alcohols such as methanol, ethanol, propanol, ethers such as dioxane or tetrahydrofuran or in solvents such as dimethyl sulfoxide, N, N-dimethylformamide or in aromatic hydrocarbons such as benzene or toluene.
- alkali metal hydroxides such as sodium or potassium hydroxide
- alkali metal alcoholates such as, for example, sodium or potassium methanolate, sodium or potassium ethanolate or sodium or potassium t.butanolate.
- the reaction takes place at a temperature between tre - 20 ° C and the reflux temperature of the solvent; it is advantageous to work at a temperature between 0 ° C and room temperature.
- the derivative VI can be isolated and purified, or the crude mixture can be used directly for the reduction step.
- the reduction of imine VI takes place in the presence of hydrogen and of a hydrogenation catalyst such as platinum, platinum oxide or palladium on carbon in a solvent such as methanol, ethanol, acetate. ethyl or glacial acetic acid and this at ordinary pressure and more advantageously at higher pressure or by an alkali metal hydride such as sodium borohydride in a solvent such as methanol or aluminum hydride and lithium in a solvent such as ether or tetrahydrofuran.
- a hydrogenation catalyst such as platinum, platinum oxide or palladium on carbon
- a solvent such as methanol, ethanol, acetate.
- ethyl or glacial acetic acid and this at ordinary pressure and more advantageously at higher pressure or by an alkali metal hydride such as sodium borohydride in a solvent such as methanol or aluminum hydride and lithium in a solvent such as ether or tetrahydrofuran.
- An acid such as, for example, hydrochloric acid, sulfuric acid or acetic acid can sometimes ca ta l yser the reaction.
- agents such as iodine and bromine can be used in water or in the presence of acetate ions or in complex with pyridine, peracids such as peracetic, monoperphthalic or m-chloroperbenzoic acids , N-halosuccinimides such as N-bromosuccinimide, hypochlorites such as sodium, t.butyl or i.propyl hypochlorite, periodates such as sodium periodate, hydrogen peroxide in the presence of anhydride acetic acid or in the presence of vanadium hemipentoxide in t.butanol, nitrates, such as acetyl nitrate or ammonium and cerium nitrate, oxides such as chromium (VI) oxide in pyridine or l vanadium hemipentoxide in the presence of oxygen or nitrogen hemipentoxide, peroxides, ozone, singlet or triplet oxygen, acids
- peracids such as per
- agents such as hydrogen peroxide preferably in the presence of zirconium salts, peracids such as peracetic, monoperphthalic and m-chloroperbenzoic acids (in the case of oxidation with peracids, we will use advantageously catalysts based on transition metals), potassium permanganate in acid or basic medium, sodium or potassium dichromate, osmium tetroxide, selenium oxide, t.butyl hypochlorite , nitric acid, ozone, oxygen, advantageously in the presence of iridium or rhodium salts, iodobenzene dichloride, periodic acid or by electrochemical oxidation.
- solvents such as water, acetic acid, chloroform, dichl oromethane, methanol, ethanol, isopropanol, t-butanol, dioxane or acetone.
- R 4 represents a linear or branched alkyl group C 1 -C 8 acyl or linear or branched C 1 -C 8 takes place by alkylation or acylation of the amine according to the scheme:
- R 1 , R 2 , R 3, R 4, R 5 , R 6 , R 7 and n have been defined previously.
- Z represents a halogen atom such as chlorine, bromine or iodine or an easily removable group such as, for example, a tosyl or mesyl group.
- the reaction advantageously takes place in an inert organic solvent such as chlorinated hydrocarbons such as chloroform or dichloromethane, aliphatic aromatic hydrocarbons such as benzene, toluene or petroleum ether alcohols such as methanol and ethanol or even l 'acetoni trile and ethers.
- the temperature is between room temperature and the reflux temperature of the reaction mixture.
- organic base such as pyridine, triethylamine or N, Nd i ra ⁇ thyl an il ine or of mineral base such as hydroxides, carbonates and bicarbonates of alkali or alkali metals ino-earthy or finely pulverized lime.
- the alkyl derivative can also be obtained by reduction of the corresponding acyl derivative according to conventional methods.
- M represents a monovalent cation such as sodium, potassium, lithium or ammonium ions
- the reaction is conventionally carried out in water at a temperature between normal temperature and the reflux temperature.
- Hydantoin XI is obtained by heating the derivative X where R 3 represents a hydroxyl group in an aqueous solution of acid.
- R 1 , R 2 , R 3 , R 5 , R 6 , R 7 and n have been defined previously.
- the acid used is a mineral acid such as halogenated hydracids such as hydrochloric acid, hydrobromic acid hydroiodic acid or nitric acid, sulfuric acid or even phosphoric acid.
- the reaction mixture is generally brought to a temperature close to the reflux temperature of the solution
- the esterification of an acid is a very general reaction which can occur in many ways.
- the acid and the alcohol are reacted in the presence of an acid catalyst such as hydrochloric acid or sulfuric acid or p.toluenesulfonic acid.
- This reaction is advantageously carried out under anhydrous conditions and one of the reactants is used in large excess.
- the solvent can be either one of the reactants or an inert organic solvent such as chlorinated hydrocarbons such as chloroform or carbon tetrachloride or an aromatic or aliphatic hydrocarbon such as benzene, toluene or petroleum ether.
- the temperature is between the normal temperature and the reflux temperature of the reaction mixture.
- reaction conditions are identical to those of above, except that one of the reagents should not be used in large excess.
- the hydrolysis of the ester takes place under conditions similar to the esterification reaction but, in this case, one of the reagents, in this case water, is used in very large excess.
- the catalysis and temperature conditions are the same as for esterification.
- the carboxylic acid can be placed in the presence of the amine, the pyrolysis of the salt thus formed leads to the amide, as does the action of a dehydrating agent such as P 2 O 5 .
- Another way of proceeding consists in transforming the carboxylic acid into an acid halide and then into an amide by the action of an amine.
- the conversion of acid to acid halide is often done without solvent with thionyl chloride, phosphorus pentachloride or phosphorus oxychloride.
- the corresponding bromides can also be used.
- it is often useful to heat the reaction mixture to a temperature between 50 and 150 ° C.
- a solvent is useful for the course of the reaction, it will be an inert organic solvent such as hydrocarbons such as benzene, toluene or petroleum ether or ethers such as diethyl ether.
- the reaction between the acid halide and the amine is done by cooling the reaction mixture to a temperature between 0 ° C and -50 ° C, by introducing an excess of amine (at least 2 equivalents or at least 1 equivalent of amine and at least 1 equivalent of a tertiary organic base such as, for example, triethylami).
- the acid chloride is added to the amine in solution in an inert organic solvent such as those defined above or also in solution in water.
- Yet another way of proceeding consists in reacting a carboxylic acid and an amine in the presence of a coupling reagent as used, for example, in peptide synthesis.
- coupling reagents such as, for example, dicycl ohexylcarbodiimide, N-ethyl-N ', 3-dimethyl-aminopropylcarbodiimide, phosphines, phosphites, silicon or titanium tetrachloride or EEDQ.
- an ester is conventionally carried out either in water or in an inert organic solvent.
- a solvent that can be used, there may be mentioned an aromatic hydrocarbon such as benzene or toluene; an aliphatic hydrocarbon such as hexane or petroleum ether, a halogenated hydrocarbon such as dichloromethane or chloroform.
- the presence of a strong base may be essential in the case of reaction with slightly basic or sterically hindered amines.
- the above reaction can be carried out at a temperature between room temperature and the reflux temperature of the solvent.
- Example No. 1 Acid 2,2-dimethyl-1,4-thiazane-3-carboxylic acid. 1o) S- (2-hydroxyethyl) -penicillamine. To a solution of 14.9 g (0.10 mole) of fine icillin in 75 ml of 2 N aqueous sodium hydroxide, maintained under an inert atmosphere (N 2 ), a solution of dropwise is added, with good stirring. 17.5 g (0.14 mole) of 2-bromoethanol in 100 ml of ethanol. At the end of the addition, sufficient ethanol is added again to obtain a homogeneous medium and then the mixture is stirred at room temperature for 24 hours.
- the solution is neutralized by means of concentrated hydrochloric acid and then it is concentrated until a solid appears.
- the volume is brought to 300 ml with water and the solution obtained is percolated on a column of resin of the sulfonic type (Amberlite IR 120) conditioned in acid form.
- the resin is washed with water and then eluted with 1 l of 1 N ammonia.
- the eluate is evaporated to dryness and the solid res i of e l is recrystallized from isopropanol. 7.8 g (82%) of product are thus obtained.
- the eluate is evaporated to dryness under reduced pressure and the residue, dissolved in 500 ml of water, is stirred with 50 ml of carboxylic resin (Amberlite IRC 50) packaged in the form acid. It is filtered, then the aqueous phase is evaporated to dryness under reduced pressure. The residue is dissolved in 50 ml of a 2: 1 mixture of aceton and water and the solution is placed in the fridge. After 3 days, the crystals which have appeared are filtered. After washing with acetone and drying, 3.7 g (45%) of product are thus obtained. M. 290 ° C (dec). The IR, NMR and mass spectra confirm the structure of the cyclized product.
- carboxylic resin Amberlite IRC 50
- Example No. 3 2,2,5- (S) -trimethyl-1,4-thiazane-3- (S) -carboxylic acid, 1- (R, S) -oxide.
- the residual white solid is recrystallized from ethyl acetate.
- the resulting solid is then triturated in acetone and then recrystallized from a mixture of acetone. and water.
- the above sulfide is dissolved in 10 ml of acetic acid to which 0.4 ml of 30% hydrogen peroxide is added. The mixture is stirred for 24 hours at room temperature then is concentrated under reduced pressure until a syrup is obtained. 25 ml of acetone are added and the mixture is stored overnight at 5 ° C. The crystalline balance is filtered and redissolved in 10 ml of water. The solution is concentrated until a syrup is obtained. The above treatment is repeated and then provides 0.29 g (47%) of white solid consisting of a mixture of two epimeric sulfoxides.
- Example No. 4 2,2,5- (R) -trimethyl-1,4-thiazane- 3- (S) -carboxylic acid.
- the reactor When the medium has become homogeneous, the reactor is immersed in an ice bath.
- a 20% aqueous sodium hydroxide solution is then added dropwise to pH 5.3, without the temperature exceeding 10 ° C, then dropwise and ensuring that the temperature does not exceed 30 ° C , a solution of 1 g (26.4 mmol) of sodium borohydride in 5 ml of basified water.
- the Karl-Fîsher analysis indicates the presence of 8.7% of water.
- the spectra I.R., from R.M.N. and mass are in agreement with the expected structure.
- the HPLC analysis test ifies to the homogeneity of the final product.
- the mixture is stirred for 8 hours, maintaining the cooling bath, then for 10 hours, at ambient temperature. It is evaporated to dryness under reduced pressure, at a temperature not exceeding 60 ° C.
- the residual oil is dissolved in 10 ml of water and the solution is evaporated to dryness under reduced pressure. The operation is repeated until a solid is obtained. This is then dissolved in 6 ml of water. 15 ml of acetone are added slowly, with stirring.
- the mixture is stirred for 1 hour at room temperature and filtered.
- a first jet of the desired sulfoxide is thus obtained.
- a second jet is obtained by cooling the mother liquors to 10 ° C., by adding 10 ml of acetone and then filtering after 15 minutes of crystallization.
- HPLC analysis indicates a purity of 99.5%.
- Example No. 8 5-methyl-1,4-thiazane-3-carboxylic acid, hydantoin. 3.9 g (24.0 mmol) of 5-methyl-1,4-thiazide-3-carboxylic acid and 2.3 g (28.8 mmol) of potassium isocyanate are successively added to 25 ml of 'water. The mixture is heated to boiling and then brought to room temperature. The solution of 5-methyl-4-ureido-1,4-thiazane-3-carboxylic acid thus obtained is then added with 34 ml of 10% aqueous hydrochloric acid. It is concentrated under reduced pressure to a volume of approximately 20 ml. The mixture is stirred for 1 hour at room temperature and then filtered. The solid is finally recrystallized from water. Weight: 2.5 g (13.4 mmol; 56%).
- Example No. 9 1-Ethoxycarbonylethyl, 1-oxide (oxalate) 2,2,5-trimethyl-1,4-thiazane-3-carboxylate.
- a solution of 3.7 g (17.4 mmol) of the product of Example No. 5 in 37 ml of water is added with a 0.5 N solution of aqueous potassium hydroxide, until the pH reaches a value of 9.
- the resulting solution is evaporated to dryness under reduced pressure.
- the residue is suspended in 40 ml of DMF.
- 3.2 g (17.6 mmol) of ethyl 2-bromoprop ⁇ onate The medium is stirred for 48 hours at room temperature then is diluted with 100 ml of water before being extracted with chloroform.
- the product Chromatographed in a thin layer of silica, the product has an Rp of 0.52 after elution using a butanol / acetic acid / water mixture 5: 2: 3.
- Example No. 10 1, 5-valoyloxyethyl, 1-oxide (oxalate) 2,2,5-trimethyl-1,4-thiazide-3-carboxylate.
- a solution of 3.7 g (16.4 mmol) of product of Example No. 5 in 37 ml of water is added with a 0.5 N solution of aqueous potassium hydroxide, until the pH reaches the value of 9.
- the resulting solution is evaporated to dryness under reduced pressure.
- the residue is suspended in 40 ml of DMF.
- 2.9 g (17.6 mmol) of 1-chloroethyl pivalate are added dropwise and with good stirring. At the end of the addition, stirring is continued for 48 h at 40 ° C.
- the resulting medium is diluted with 100 ml of water and is then extracted with chloroform. The organic extract is dried and then evaporated to dryness under reduced pressure. 50 ml of ethanol are added to the residue, followed by a solution of 1.6 g (17.6 mmol) of oxalic acid in the minimum of the same solvent. The mixture is stirred for 30 minutes and then the precipitate which has formed is filtered. This is finally purified by recrystallization from ethanol. 4.2 g (9.9 mmol; 60%) of white crystalline solid are obtained. Mp 214 ° C (dec).
- the product has an R F of 0.65 after elution using a butanol / acetic acid / water mixture 5: 2: 3.
- a solution of 32.2 g of potassium hydroxide in 640 ml of methanol is cooled to 0-5 ° C. 47.9 g (0.24 mole) of hydrochloride of the methyl ester of penicillamine are added, then dropwise, 25.0 g of chloroacetone.
- the mixture is stirred for 1 hour at the initial temperature and then the medium is brought to pH 6.5 using ethanolic hydrochloric acid.
- 6.2 g of sodium borohydride are then added in small portions. At the end of the addition, the mixture is stirred for an additional 1 hour, always at the same temperature.
- the excess hydride is destroyed by adding concentrated hydrochloric acid and then the solution is neutralized with 1% aqueous hydrogen carbonate.
- the aqueous solution is extracted with chloroform.
- the extracts are dried and then evaporated to dryness under reduced pressure.
- the residual oil is dissolved in a mixture consisting of 50 ml of methanol and 350 ml of ether.
- the addition of hydrochloric acid in saturated solution in ether causes the precipitation of a solid hydrochloride. This is filtered and reriepcipit ⁇ twice from its methanol solution by addition of ether. Weight: 17.2 g (30%). Mp 204 ° C (dec).
- 3-carboxylic acid (hydrochloride).
- 7.5 g (50 mmol) of D-penicillamine are added to 40 ml of water maintained at a temperature between 0 and 5 ° C.
- 9.5 g (53 mmol) of 1-bromo-2-hexanone are added dropwise and simultaneously on the one hand, in approximately 10 minutes, and on the other hand, 25 ml (50 mmol) ) 2 N aqueous sodium hydroxide, in 30 minutes about.
- the stirring and the temperature are maintained for an additional 1 hour, then the temperature is adjusted to approximately 15 ° C.
- the product Chromatographed the silica in a thin layer, the product has an R F of 0.62, after elution with a butanol / acetic acid / water mixture 5: 2: 3.
- Example No. 14 5-Methyl-2-phenyl-1,4-thiazane-3-carboxylic acid (hydrochloride). 1 g (4.3 mmol) of threo- ⁇ -phenyl cystene hydrochloride is dissolved in 12 ml of water. The solution is cooled in an ice bath and then the pH is brought to 7.0 using 20% aqueous sodium hydroxide. 0.42 g (4.5 mmol) is added of freshly redistilled chloroacetone. After stabilization of the pH for 30 minutes, 2N aqueous sodium hydroxide is added until neutral.
- the reaction medium is cooled (0 ° C ⁇ temperature ⁇ 5 ° C) and 2.4 g (0.74 mole) of 30% hydrogen peroxide is added dropwise to it.
- the temperature is maintained between 0 ° C and 5 ° C for 8 hours and then at 20 ° C for 4 hours.
- the LD 50 are calculated according to the method of Lichtfîeld and W structuricoxon (J. Pharmacol. Exp. Ther. £ 6, 99, 1949) and expressed in mg / kg. The products are administered orally to mice.
- the effect on behavior is studied using a method derived from that of S. Irw. (Gordon Res. Conf. On Médicinal Chem., 133, 1959).
- the substances, suspended in a mucilage containing 1% of tragacanth, are administered orally by means of an intragastric probe to groups of 5 male mice (CDl, Charles River strains, fasting for 18 hours),
- the doses tested depending on the activity observed range from 3000 to 3 mg / kg.
- test substance suspended in a mucilage containing 1% of tragacanth, is administered to rats orally at a dose of 30 mg / kg. Blood is taken 1 hour or 3 hours after treatment. The plasma is separated by centrifugation and the euglobulins are precipitated.
- the fibrinolytic activity is determined according to the method of Astrup and Mullertz (Arch. Biochem. Biophys. 1952, 40, 346).
- a score is assigned according to the ratio of fibrinolytic activity of the treated rats and that of the rats having received a placebo. The meaning is as follows: Score 4: coefficient of increase in fibrinolytic activity from 0.51 to 0.99. Score 5: coefficient of increase in fibrinolytic activity from 1 to 1.5.
- Score 6 coefficient of increase in fibrinolytic activity from 1.6 to 2.
- Score 7 coefficient of increase in fibrinolytic activity from 2.1 to 2.5.
- Score 8 coefficient of increase in fibrinolytic activity from 2.6 to 3.
- Score 9 coefficient of increase in fibrinolytic activity •> 3.1.
- the blood is collected on a filter paper.
- the amount of blood lost is determined by weighing the filter paper before and after the blood is collected.
- the coefficient of increase in bleeding time is the ratio between the bleeding time of treated rats and that of rats given a placebo.
- a score of 3 means an increase coefficient from 0.79 to 0.89.
- a score of 4 means an increase coefficient of
- a score of 5 means an increase coefficient from 1.1 to 1.11.
- a score of 6 means an increase coefficient of
- a score of 7 means an increase coefficient of
- a score of 8 means an increase coefficient from 1.34 to 1.44.
- a score of 9 means an increase coefficient ⁇ 1.45.
- the coefficient of increase in blood loss is the ratio between the amount of blood lost by the treated rats and that lost by the control rats.
- a score of 3 means an increase coefficient ⁇ 0.5
- a score of 4 means an increase coefficient of
- a score of 5 means an increase coefficient of
- a score of 6 means an increase coefficient of
- a score of 7 means an increase coefficient of
- a score of 8 means an increase coefficient of
- a score of 9 means an increase coefficient ⁇ 3.1.
- Compound 7 was the subject of a 1 month toxicity study in rats and monkeys. This study has shown that its tolerance is perfect up to the dose of 300 mg / kg / day.
- the toxicity of compound 12 is excellent: the LD 50 is greater than 8 g / kg in mice and in rats. In monkeys, it is perfectly tolerated up to the dose of 800 mg / kg.
- the daily dose will be from 50 mg to 2 g orally and from 10 mg to 1 g by injection or by intravenous infusion.
- the products of the invention can be used in various pharmaceutical forms.
- the examples which follow are not limiting and relate to the galenical formulations containing an active product of the invention designated by the letter A and which can be, for example:
- Witepsol H 15 (semi-glyceride) 2600 mg
- Capsule containing 100 mg of compound A and 300 mg of acetylsal icylic acid 100 mg acetylsalicylic acid 300 mg ethylcellulose 60 mg lactose 40 mg aerosil 8 mg magnesia stearate 8 mg
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- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Thiazole And Isothizaole Compounds (AREA)
- Plural Heterocyclic Compounds (AREA)
- Nitrogen- Or Sulfur-Containing Heterocyclic Ring Compounds With Rings Of Six Or More Members (AREA)
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Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU83941/82A AU8394182A (en) | 1981-04-29 | 1982-04-21 | Derivatives of 1,4-thiazane-carboxylic acid, preparation and utilization thereof and compositions containing same |
DE19823242665 DE3242665A1 (de) | 1981-04-29 | 1982-04-21 | Derivate der 1,4-thiazan-3-carbonsaeure, deren herstellung und verwendung sowie diese derivate enthaltende zubereitungen |
NL8220153A NL8220153A (nl) | 1981-04-29 | 1982-04-21 | 1,4-thiazancarbonzuurderivaten, de bereiding en toepassing ervan, alsmede de samenstellingen, die deze derivaten bevatten. |
FI771226A FI66366C (fi) | 1981-04-29 | 1982-12-14 | Foerfarande foer framstaellning av som laekemedel anvaenda 1,4-tiazin-3-karboxylsyraderivat |
DK554382A DK554382A (da) | 1981-04-29 | 1982-12-14 | 1,4-tiazankaboxylsyrederivater, deres fremstilling og anvendelse og praeparater hvori disse derivater er til stede |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
LU83327A LU83327A1 (fr) | 1981-04-29 | 1981-04-29 | Procede de preparation de derives de 1,4-thiazine,leur utilisation ainsi que compositions contenant ces derives |
LU83327810429 | 1981-04-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1982003860A1 true WO1982003860A1 (fr) | 1982-11-11 |
Family
ID=19729637
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/BE1982/000009 WO1982003860A1 (fr) | 1981-04-29 | 1982-04-21 | Derives de l'acide 1,4-thiazane-carboxylique, leurs preparation et utilisation ainsi que les compositions contenant ces derives |
Country Status (16)
Country | Link |
---|---|
JP (1) | JPS58500713A (fr) |
KR (1) | KR830010089A (fr) |
BE (1) | BE893025A (fr) |
ES (1) | ES511759A0 (fr) |
FI (1) | FI66366C (fr) |
FR (1) | FR2509303A1 (fr) |
GB (1) | GB2111056B (fr) |
GR (1) | GR75996B (fr) |
IT (1) | IT1190794B (fr) |
LU (1) | LU83327A1 (fr) |
NL (1) | NL8220153A (fr) |
NO (1) | NO824398L (fr) |
PT (1) | PT74813B (fr) |
SE (1) | SE8207294D0 (fr) |
WO (1) | WO1982003860A1 (fr) |
ZA (1) | ZA822926B (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1990007111A3 (fr) * | 1988-12-14 | 1990-07-12 | Hicks Richard | Procede de prediction d'activite d'antibiotiques et nouveaux agents antibacteriens non beta-lactame derives de ceux-ci |
WO2013113860A1 (fr) | 2012-02-03 | 2013-08-08 | Sanofi | Pyrroledicarboxamides fusionnés et leur utilisation en tant que produits pharmaceutiques |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3436386A1 (de) * | 1984-10-04 | 1986-04-10 | Merck Patent Gmbh, 6100 Darmstadt | (thio)morpholine |
FR2618434B1 (fr) * | 1987-07-21 | 1991-02-08 | Oreal | Esters d'acide thiamorpholinone carboxylique et de ses derives, leur procede de preparation et leur utilisation dans le domaine cosmetique et dermo-pharmaceutique |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2187327A1 (fr) * | 1972-06-15 | 1974-01-18 | Rech Pharm Scientifiques | |
US4179276A (en) * | 1977-02-01 | 1979-12-18 | E. I. Du Pont De Nemours And Company | Novel imidazothiazine-1,3 (2H)-diones |
JPS5540658A (en) * | 1978-09-19 | 1980-03-22 | Tanabe Seiyaku Co Ltd | 1,4-thiazan-3-carboxylic ester derivative and its preparation |
-
1981
- 1981-04-29 LU LU83327A patent/LU83327A1/fr unknown
-
1982
- 1982-04-21 JP JP57501451A patent/JPS58500713A/ja active Granted
- 1982-04-21 WO PCT/BE1982/000009 patent/WO1982003860A1/fr active IP Right Grant
- 1982-04-21 GB GB08235353A patent/GB2111056B/en not_active Expired
- 1982-04-21 NL NL8220153A patent/NL8220153A/nl unknown
- 1982-04-28 PT PT74813A patent/PT74813B/fr unknown
- 1982-04-28 ES ES82511759A patent/ES511759A0/es active Granted
- 1982-04-29 GR GR68018A patent/GR75996B/el unknown
- 1982-04-29 ZA ZA822926A patent/ZA822926B/xx unknown
- 1982-04-29 IT IT20998/82A patent/IT1190794B/it active
- 1982-04-29 KR KR1019820001874A patent/KR830010089A/ko not_active Ceased
- 1982-04-29 FR FR8207461A patent/FR2509303A1/fr not_active Withdrawn
- 1982-04-29 BE BE0/207967A patent/BE893025A/fr not_active IP Right Cessation
- 1982-12-14 FI FI771226A patent/FI66366C/fi not_active IP Right Cessation
- 1982-12-21 SE SE8207294A patent/SE8207294D0/xx not_active Application Discontinuation
- 1982-12-28 NO NO824398A patent/NO824398L/no unknown
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2187327A1 (fr) * | 1972-06-15 | 1974-01-18 | Rech Pharm Scientifiques | |
US4179276A (en) * | 1977-02-01 | 1979-12-18 | E. I. Du Pont De Nemours And Company | Novel imidazothiazine-1,3 (2H)-diones |
JPS5540658A (en) * | 1978-09-19 | 1980-03-22 | Tanabe Seiyaku Co Ltd | 1,4-thiazan-3-carboxylic ester derivative and its preparation |
Non-Patent Citations (4)
Title |
---|
CHEM. PHARM. BULLETIN, volume 29, no. 6, 1981, KAZUO SAKAI et al.: "Convenient Synthesis of 1,4-Thiazane-3-carboxylic Acid Derivatives", pages 1554-1560 * |
Chemical Abstracts, vol. 93, no. 21, 24 novembre 1980 (Columbus, Ohio, US) page 693, réf. no 204671z; & JP-A-55 040 658, 22 mars 1980, Tanabe Seiyaku Co., Ltd. * |
Journal of the Chemical Society, Perkin Transactions I, no. 11, 1976, J.F. Carson et al.: "Cyclization of (+)- and (-)-S-(2-Methylprop-1-enyl)-L-cysteine S-Oxides", pages 1195-1199 * |
The Journal of Organic Chemistry, vol. 34, no. 6, June 1969, J.F. Carson et al.: "The Base Cyclization of trans-S-(1-Butenyl)-L-cysteine S-oxide", pages 1996-1998 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1990007111A3 (fr) * | 1988-12-14 | 1990-07-12 | Hicks Richard | Procede de prediction d'activite d'antibiotiques et nouveaux agents antibacteriens non beta-lactame derives de ceux-ci |
WO2013113860A1 (fr) | 2012-02-03 | 2013-08-08 | Sanofi | Pyrroledicarboxamides fusionnés et leur utilisation en tant que produits pharmaceutiques |
Also Published As
Publication number | Publication date |
---|---|
IT8220998A0 (it) | 1982-04-29 |
BE893025A (fr) | 1982-10-29 |
PT74813B (fr) | 1983-10-26 |
LU83327A1 (fr) | 1983-03-24 |
NO824398L (no) | 1982-12-28 |
SE8207294L (sv) | 1982-12-21 |
JPH0330592B2 (fr) | 1991-04-30 |
NL8220153A (nl) | 1983-03-01 |
FI824279A0 (fi) | 1982-12-14 |
ES8307233A1 (es) | 1983-07-01 |
FI66366B (fi) | 1984-06-29 |
KR830010089A (ko) | 1983-12-26 |
FI824279L (fi) | 1982-12-14 |
GB2111056A (en) | 1983-06-29 |
ES511759A0 (es) | 1983-07-01 |
JPS58500713A (ja) | 1983-05-06 |
ZA822926B (en) | 1983-03-30 |
PT74813A (fr) | 1982-05-01 |
IT1190794B (it) | 1988-02-24 |
FI66366C (fi) | 1984-10-10 |
FR2509303A1 (fr) | 1983-01-14 |
SE8207294D0 (sv) | 1982-12-21 |
GB2111056B (en) | 1985-03-06 |
GR75996B (fr) | 1984-08-03 |
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