WO1997000073A1 - Nouvelle application de derives du pyrrole - Google Patents
Nouvelle application de derives du pyrrole Download PDFInfo
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- WO1997000073A1 WO1997000073A1 PCT/FR1996/000887 FR9600887W WO9700073A1 WO 1997000073 A1 WO1997000073 A1 WO 1997000073A1 FR 9600887 W FR9600887 W FR 9600887W WO 9700073 A1 WO9700073 A1 WO 9700073A1
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- het
- carboxamide
- pyrιdm
- carbonitrile
- methyl
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- 0 *C1CCCC(*N(CCCCCCC2)C2C(O)=O)CCC1 Chemical compound *C1CCCC(*N(CCCCCCC2)C2C(O)=O)CCC1 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/33—Heterocyclic compounds
- A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
- A61K31/435—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom
- A61K31/44—Non condensed pyridines; Hydrogenated derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D471/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00
- C07D471/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00 in which the condensed system contains two hetero rings
- C07D471/04—Ortho-condensed systems
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/33—Heterocyclic compounds
- A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
- A61K31/435—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/33—Heterocyclic compounds
- A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
- A61K31/435—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom
- A61K31/44—Non condensed pyridines; Hydrogenated derivatives thereof
- A61K31/4427—Non condensed pyridines; Hydrogenated derivatives thereof containing further heterocyclic ring systems
- A61K31/4439—Non condensed pyridines; Hydrogenated derivatives thereof containing further heterocyclic ring systems containing a five-membered ring with nitrogen as a ring hetero atom, e.g. omeprazole
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
- A61P31/12—Antivirals
- A61P31/14—Antivirals for RNA viruses
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
- A61P31/12—Antivirals
- A61P31/14—Antivirals for RNA viruses
- A61P31/18—Antivirals for RNA viruses for HIV
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P43/00—Drugs for specific purposes, not provided for in groups A61P1/00-A61P41/00
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D487/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00
- C07D487/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00 in which the condensed system contains two hetero rings
- C07D487/04—Ortho-condensed systems
-
- 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
Definitions
- the present invention relates to a new therapeutic application of pyrrole derivatives of general formula:
- Het represents a cycle condensed with pyrrole as it forms a pyrrolothiazole, tetrahydro-5,6,7,8-mdol ⁇ z ⁇ ne, dihydro-pyrrolothiazme or dihydropyrrolizine cycle,
- - R- is a carboxamide, cyano, carboxy, alkyloxycarbonyl, acyl or imidazolylcarbonyl radical,
- R2 is a hydrogen or halogen atom, or an alkyl, alkenyl, tnhalomethyl or cyano radical,
- R3 is a hydrogen or halogen atom, or a hydroxy or alkyl radical
- Het ' is a pyridyl, pyridyl N-oxide or thiazolyl radical
- alkyl or acyl radicals are straight c_ branched and contain 1 to 4 carbon atoms and the rad ⁇ cau> alkenyl radicals are straight or branched and contain 2 to 4 carbon atoms, as well as its salts when they exist.
- R 2 and / or R 3 are halogen, they can be chosen from chlorine, bromine, fluorine or iodine.
- TNF is notably responsible for the activation of the HIV virus, especially in chronically infected cells.
- the products of general formula (I) can be useful for obtaining a medicament intended for the prophylaxis and / or the therapeutic treatment of retrovirus infections, and more particularly of AIDS (acquired immunodeficiency syndrome ) and associated syndromes [ARC (AIDS related complex)].
- AIDS immunodeficiency syndrome
- ARC AIDS related complex
- prophylaxis we mean the treatment of patients who have been exposed to HIV viruses (human immunodeficiency virus), in particular asymptomatic HIV-positive people, who present the risk of developing the disease in the months and years to come. primary infection.
- HIV viruses human immunodeficiency virus
- asymptomatic HIV-positive people who present the risk of developing the disease in the months and years to come. primary infection.
- U1 cell lines obtained after infection of the promonocytic line, U937, with the HIV-1 virus are used and selected according to the capacity to increase the viral production in response to Phorbol Myristate Acetate (PMA), TNF and other mediators. [Folks et al., Science, 238, 800 (1987)].
- PMA Phorbol Myristate Acetate
- TNF TNF
- other mediators other mediators. [Folks et al., Science, 238, 800 (1987)].
- the activity of reverse transcriptase is used as an indicator of viral production.
- the effect of increasing concentrations of the product to be studied is thus analyzed on stimulated cell lines.
- the product to be studied is dissolved in dimethylformamide (DMF).
- DMF dimethylformamide
- the stock solutions are prepared on the day of the test and stored at a temperature of 4 ° C.
- the dilutions are made in such a way that the DMF concentration is constant (0.1%).
- the cell cultures are taken during the exponant growth phase and returned to culture at a final concentration of 2 ⁇ 10 4 cells / ml, in the presence of different concentrations of the product to be studied. 30 minutes later, the entire crop is' added TNF or PMA.
- Each test is carried out in triplicate, including the controls. Three days later, a fraction of culture supernatant is removed, and frozen for the measurement of reverse transcriptase.
- the derivatives of general formula (I) are studied at concentrations of 0.1 nM to 10 ⁇ M.
- TNF ⁇ is added at a rate of 10 Units / ml and PMA at 10 "8 M (final concentration).
- the reduction in viral production by the derivatives of general formula (I) is significant and dose-dependent in the case of U1 cells treated with TNF ⁇ or with PMA. On day 3, a decrease of at least 50% in the production of reverse transcriptase is observed for U1 cells treated with 10 Units / ml of TNF ⁇ and added with a concentration of 10 ⁇ M of the products. Furthermore, the derivatives of general formula (I) have no effect on the viability of the cells at active concentrations.
- R- is a carboxamide, cyano, carboxy, acyl or alkyloxycarbonyl or imidazolylcarbonyl radical
- an acrylic derivative of general formula is made to act:
- R 2 is defined as above and R'i is a cyano or acyl radical and Hal is a halogen atom, preferably a chlorine atom, on an acid of general formula:
- Het and Het '-R3 are defined as above, then optionally hydrolyzes the product obtained either to amide or to acid according to known methods which do not alter the rest of the molecule, then optionally transforms the acid obtained into an ester to obtain a derivative for which Rj is alkyloxycarbonyl, or optionally transforms the acid obtained into an imidazole derivative by action of carbonyldumidazole, to obtain a derivative for which R-] is imidazolylcarbonyl, then optionally oxidizes the pyridyl radical representing Het ', when it is desired to obtain a product for which Het' represents pyridyl N-oxide.
- reaction of the product of general formula (II) with the acid of general formula (III) is generally carried out in acetic anhydride at a temperature between 80 and 130 ° C.
- Amide hydrolysis is carried out according to known methods, in particular by heating in an alkaline medium in an organic solvent such as, for example, t.butanol at a temperature between 30 and 85 ° C., or in concentrated acid medium at a temperature between 20 and 100 ° C.
- an organic solvent such as, for example, t.butanol
- concentrated acid medium at a temperature between 20 and 100 ° C.
- the acid hydrolysis is carried out according to known methods, in particular in a basic medium in an alcohol with high boiling point, for example in the presence of potassium hydroxide in ethylene glycol, at a temperature between 100 ° C. and the reflux temperature. of the reaction mixture.
- the transformation of the acid function into an imidazc-é radical is carried out in a solvent such as tetrahydrofuran at 'u:. ⁇ Temperature between 20 and 40 ° C.
- the pyridyl radical is oxidized by any oxidation method which does not alter the rest of the molecule.
- the procedure is carried out by means of a peracid such as m.chloroperbenzoic acid, in an alcoholic medium (ethanol for example).
- the present invention also relates to pharmaceutical compositions comprising a product of general formula (I) or the preparation of these compositions.
- the product of general formula (I) optionally in salt form, is in the pure state or in the form of association with one or more diluents or adjuvants compatible and pharmaceutically acceptable.
- compositions according to the invention are in particular capable of inhibiting the replication of retroviruses and therefore of reducing the progression towards the disease or of decreasing its severity in infected subjects.
- compositions according to the invention are capable of preventing or slowing the progression of subjects infected with retroviruses towards an aggravated stage of the disease.
- preventive is meant preventing development in subjects with immunodeficiency and / or infected with retrovirus.
- compositions will be adapted to the particular case of the digestive tract of the immunocompromised.
- compositions can be used orally, parenterally or rectally.
- the sterile compositions for parenteral administration may preferably be aqueous or non-aqueous solutions, suspensions or emulsions.
- solvent or vehicle water, propylene glycol, polyethylene glycol, vegetable oils, in particular olive oil, injectable organic esters, for example ethyl oleate or other suitable organic solvents.
- These compositions can also contain adjuvants, in particular wetting agents, isotonizers, emulsifiers, dispersants and stabilizers.
- Sterilization can be done in several ways, for example by aseptic filtration, by incorporating sterilizing agents into the composition, by irradiation or by heating. They can also be prepared in the form of sterile solid compositions which can be dissolved at the time of use in a sterile injectable medium.
- compositions for oral administration tablets, pills, powders or granules can be used.
- the active product according to the invention (optionally combined with another pharmaceutically compatible product) is mixed with one or more inert diluents or adjuvants, such as sucrose, lactose or starch.
- these compositions can also include substances other than diluents, for example a lubricant such as magnesium stearate.
- compositions for oral administration there may be used pharmaceutically acceptable emulsions, solutions, suspensions, syrups, elixirs containing inert diluents such as water or paraffin oil. These compositions can also include substances other than diluents, for example wetting, sweetening or flavoring products.
- the compositions for rectal administration are suppositories or rectal capsules, which contain, in addition to the active principle, excipients such as cocoa butter, semi-synthetic glycerides or polyethylene glycols.
- the doctor will determine the dosage he considers most appropriate based on the age, weight and factors specific to the product and the subject to be treated. Generally in adults the doses are between 25 and 1000 mg per day.
- the present invention also relates to associations consisting of one or more derivatives of general formula (I), and / or where appropriate their salts, and of another active principle known for its anti-retrovirus activity, optionally in the presence of pharmaceutically acceptable excipients.
- anti-retrovirus agents which can be combined are chosen from agents which are compatible and inert with respect to the derivative of general formula (I).
- these agents are chosen from reverse transcriptase inhibitors [zidovudme (AZT), didanosme (DDI), dideoxycytidine (DDC), lamivudine (3TC), TIBO, nevirapme, PMEA ...], from inhibitors of protease [such as Saqumavir, ABT-538, MK 639 ...], or among inhibitors of the proteins tat and rev.
- the anti-TNF activity is particularly advantageous because it allows an application to the treatment of diseases in the mechanism of which this factor also intervenes.
- diseases in the mechanism of which this factor also intervenes.
- reaction mixture is concentrated under reduced pressure (2.7 kPa) at a temperature in the region of 60 ° C.
- a mixture of products is thus obtained which is chromatographed on a 1.8 cm diameter column containing 90 g of silica (0.04-0.0063). Eluted with chloroform under a pressure of 1.5 bar and collecting fractions of 20 cm3. The homogeneous fractions are combined and concentrated under reduced pressure (2.7 kPa) at a temperature in the region of 60 ° C.
- 2-chlorocrotonon ⁇ tr ⁇ le can be prepared according to J.C POMMELET, C.NYNS, F.F. LAHOUSSE, R. MERENYL and H.G VIEHE, Angew. Chem. Int. Ed. 2J [, 585 (1981).
- the organic phase is washed 3 times with 40 cm 3 of water.
- the organic extracts are combined and dried over anhydrous sodium sulfate, filtered and concentrated to dryness under reduced pressure (2.7 kPa) at a temperature in the region of 50 ° C. This gives a translucent oil taken up in 20 cm ⁇ of isopropanol.
- the solution is cooled to about 0 ° C.
- the crystals which appear are separated by filtration and washed with 3 times 2 cm 3 of isopropanol at 0 ° C.
- 3- (2-fluoropyr ⁇ dm-3-yl) -5,6,7,8-tetrahydro ⁇ ndol ⁇ zme-1- carboxamide is prepared as described in Example 2 from 1.7 g of 3- (2-fluoropy ⁇ d ⁇ n- 3-yl) -5,6,7,8-tetrahydromdol ⁇ z ⁇ ne-1- carbonitrile.
- 1.2 g of 3- (2-fluororopyr ⁇ d ⁇ n-3-yl) - 5,6,7,8-tetrahydro ⁇ ndol ⁇ zme-1-carboxamide are thus obtained in the form of a beige powder melting at 190 ° C.
- the sodium salt of N- (2-fluoromcotmoyl) -pipendme- 2-carboxyl ⁇ que acid can be prepared as described in Example 1 from 11.48 g of N- (2-fluoromcotmoyl) -p ⁇ dozensr ⁇ d ⁇ ne-2 ethyl carboxylate. 9 g of sodium salt of N- (2-fluoromcotmoyl) -p ⁇ dozensr ⁇ dme-2-carboxyl ⁇ que acid are thus obtained in the form of a white powder melting at a temperature above 260 ° C.
- Ethyl N- (2-fluoromcotmoyl) -p ⁇ cherr ⁇ d ⁇ ne-2-carboxylate can be prepared as follows: To a solution of 21.15 g of 2-fluoronicotinic acid in 500 cm 3 of tetrahydrofuran, 23 cm 3 of triethylamine are added with stirring. The mixture is cooled by a bam of ice and acetone to -8 ° C. 20.48 g of isobutyl chloroformate are poured in dropwise for 15 minutes while maintaining the temperature at -5 ° C. The mixture is stirred for 15 minutes at -5 ° C. and then the temperature is allowed to rise to 5 ° C.
- 2-methyl-3- (2-fluoropyridin-3-yl) -5,6,7,8-tetrahydromdolizin-1-carbonitrile is prepared as described in Example 1 from 4.13 g of salt acid sodium N- (2-fluoronicotmoyl) - piperidme-2-carboxyl ⁇ que and 1.47 g of 2-chlorocrotononitrile. 3.35 g of 2-methyl-3- (2-chloropyridin-3-yl) -5,6,7,8- tetrahydroindoliz ⁇ ne-1-carbonitrile are thus obtained in the form of an orange oil which crystallizes. (Rf-0.47; thin layer chromatography on silica gel; eluent ethyl acetate).
- the sodium salt of N- (2-fluoromcotmoyl) -piperidme- 2-carboxylic acid can be prepared as described in Example 5.
- 3- (pyrid ⁇ n-4-yl) -5,6,7,8-tetrahydromdol ⁇ z ⁇ ne-1-carboxamide is prepared as described in Example 2 from 3.35 g of 3- (py ⁇ dm-4-yl) -5,6,7,8-tetrahydromdol ⁇ z ⁇ ne-1-carbonitrile. 1.65 g of 3- (pyridin-4-yl) -5,6,7,8- tetrahydro ⁇ ndol ⁇ z ⁇ ne-1-carboxamide are thus obtained in the form of a white powder melting at 205 ° C.
- 2-methyl-3- (pyridin-4-yl) -5,6,7,8-tetrahydroindolizine-1-carboxamide is prepared as described in example 2 from 3.5 g of 2-methyl-3 - (pyridin-4-yl) -5,6,7,8-tetrahydroindolizine-1-carbonitrile. 1.57 g of 2-methyl-3- (pyridin-4-yl) - 5,6,7,8-tetrahydroindolizine-1-carboxamide are thus obtained in the form of a cream powder melting at 268 "C.
- 2-methyl-3- (pyridin-4-yl) -5,6,7,8-tetrahydroindolizine-1-carbonitrile is prepared as described in Example 1 from 5.4 g of sodium salt of l N- (carbonyl-4-pyridyl) -piperidine- 2-carboxylic acid and 2.13 g of 2-chlorocrotononitrile.
- 2-bromo-3- (2-fluoropyridin-3-yl) -5,6,7,8-tetrahydroindolizine-1-carbonitrile is prepared as described in Example 9 from 1.6 g of 3 - (2-fluoropyridin-3-yl) -5,6,7,8-tetrahydroindolizine-1-carbonitrile and 1.3 g of N-bromosuccinimide.
- 1.8 g of 2-bromo-3- (2-fluoropyridin-3-yl) -5,6,7,8-tetrahydro-indolizine-1-carbonitrile are thus obtained in the form of a beige powder melting at 172 ° C.
- 2-bromo-3- (pyridin-4-yl) -5,6,7,8-tetrahydroindolizine-1 - carbonitrile is prepared as described in Example 9 from 2.2 g 3- (pyridin-4 -yl) -5,6,7,8-tetrahydroindolizine-1-carbonitrile and 2.26 g of N-bromosuccinimide. 2.5 g of 2-bromo-3- (pyridin-4-yl) -5,6,7,8-tetrahydroindolizine-1-carbonitrile are thus obtained in the form of a beige-orange powder melting at 120 ° C.
- 5- (2-chloropyr ⁇ dm-3-yl) -2,3-d ⁇ hydropyrrolo [2, 1-b] thiazole- 7-carbon ⁇ trile is prepared by the method described in European patent application EP 147317, but from 32 , 3 g of N- (2-chloronicotmoyl) -th ⁇ azol ⁇ dme-2-carboxylic acid. 11.6 g of 5- (2-chloropyr ⁇ dm-3-yl) -2.3-d ⁇ hydropyrrolo [2, 1-b] thiazole- 7-carbon ⁇ trile are thus obtained in the form of a pink powder melting at 172 ° C.
- N- (2-chloron ⁇ cot ⁇ noyl) -th ⁇ azol ⁇ d ⁇ ne-2-carboxyl ⁇ que acid is prepared by the method described in European patent application EP 147317, but from 21.31 g of th ⁇ azol ⁇ dme-2-carboxylic acid and 28, 8 g of 2-chloro-mcotmoyl hydrochloride. 40.1 g of N- (2-chloron ⁇ cotmoyl) - th ⁇ azol ⁇ dme-2-carboxyl ⁇ que acid are thus obtained in the form of white meringue.
- 5- (2-chloropyr ⁇ dm-3-yl) -2,3-d ⁇ hydropyrrolo [2,1-b] thiazole- 7-carboxam ⁇ de is prepared as in Example 2 from 3 g of 5- (2-chloropyr ⁇ dm -3-yl) -2, 3-dehydropyrrolo [2,1-b] th ⁇ azole-7-carbom- trile. 2.75 g of 5- (2-chloropyr ⁇ dm-3-yl) -2.3-dihydropyrrolo [2, 1-b] thiazole-1-carboxamide are thus obtained in the form of white crystals, melting at 244 ° C.
- 6-bromo-5- (pyr ⁇ dm-3-yl) -1H, 3H-pyrrolo [1, 2-c] th ⁇ azole-7- carbomtrile is prepared as in Example 9 from 5 g of 5- (pyr ⁇ dm -3-yl) -IH, 3H-pyrrolo [1, 2-c] th ⁇ azole-7-carbomtr ⁇ le and 4.1 g of N-bromosuccimmide. 2.07 g of 6-bromo-5- (pyridm-3-yl) -1H, 3H-pyrrolo [1, 2-c] th ⁇ azole-7-carbomtrieren are thus obtained in the form of a white powder melting at 190 ° C.
- the pH of the solution is brought to pH 9 with 30% by mass sodium hydroxide.
- the aqueous phase is extracted with 3 times 500 cm 3 of ethyl acetate.
- the organic extracts are combined and dried over magnesium sulfate, filtered and concentrated to dryness under reduced pressure (2.7 kPa) at a temperature in the region of 50 ° C. 12.8 g of product are thus obtained which is chromatographed on a column 5 cm in diameter containing 800 g of silica (0.04-0.0063). Eluted with ethyl acetate under a total pressure of 1.5 bar and collecting 100 cm 3 fractions.
- the fractions from 70 to 90 are combined and concentrated under reduced pressure (2.7 kPa) at a temperature in the region of 60 ° C.
- 5- (pyr ⁇ d ⁇ n-3-yl) -1H, 3H-pyrrolo [1, 2-c] th ⁇ azole-6-carbomtr ⁇ le is obtained from the 85/15 mixture of 5- (pyr ⁇ dm-3-yl) -1H, 3H- pyrrolo [1, 2-c] th ⁇ azole-7-carbon ⁇ tr ⁇ le and of 5- (pyridm-3-yl) -1H, 3H- pyrrolo [1, 2-c] th ⁇ azole-6-carbon ⁇ tr ⁇ le whose preparation is described in European patent application EP 147317.
- a mixture of 28.47 g of 5- (pyr ⁇ d ⁇ n-3-yl) -1H, 3H-pyrrolo [1, 2-c] th ⁇ azole-7-carbonitrile and 6-carbon ⁇ tr ⁇ le is chromatographed on a column 5 cm in diameter containing 800 g of silica (0.04-0.0063). We are elected by ethyl acetate under a total pressure of 1.5 bar and collecting 100 cm 3 fractions. The fractions from 70 to 90 are combined and concentrated under reduced pressure (2.7 kPa) at a temperature in the region of 60 ° C.
- 6-methyl-5- (th ⁇ azol-5-yl) -1H, 3H-pyrrolo [1, 2-c] th ⁇ azole-7-carboxamide is prepared as described in Example 2 from 4.5 g of a 65/35 mixture of 6-methyl-5- (th ⁇ azol-5-yl) -1H, 3H- pyrrolo [1, 2-c] th ⁇ azole-7-carbon ⁇ tr ⁇ le and 7-methyl-5- (th ⁇ azol-5- yl) -1H, 3H-pyrrolo [1, 2-c th ⁇ azole-6-carbomtrule.
- 0.35 g of 6-methyl-5- (th ⁇ azol-5-yl) -1H, 3H-pyrrolo [1, 2-c] th ⁇ azole-7-carboxamide is thus obtained in the form of a white powder melting at 247 ° C.
- N- (carbonylth ⁇ azol-5-yl) th ⁇ azol ⁇ d ⁇ ne-4-carboxylic acid is described in European patent application EP 147317.
- EXAMPLE 17 6-methyl-5- (2-chloropyr ⁇ dm-3-yl) -1H-2,3-d ⁇ hydropyrrol ⁇ z ⁇ ne- 7-carbomtr ⁇ le is prepared by the method described in European patent application EP 118321, but starting from 4 , 36 g of acid N- (2-chloromcotmoyl) proline-4-carboxyl and 17.25 g of 2-chlorocroto-non ⁇ tr ⁇ le. 40 mg of 6-methyl-5- (2-chloro-pyr ⁇ d ⁇ n-3-yl) -1H-2,3-dehydropyrrol ⁇ zme-7-carbon ⁇ tr ⁇ le are thus obtained in the form of a yellowish solid melting at around 136 ° C.
- 6-methyl-5- (2-hydroxypyr ⁇ dm-3-yl) -1H-2, 3-d ⁇ hydropyrrol ⁇ - zme-7-carboxam ⁇ de is prepared as described in Example 2 from 1.5 g of 6-methyl -5- (2-f luoropyr ⁇ dm-3-yl) -1H-2, 3-dehydropyrro- l ⁇ zme-7-carbon ⁇ tr ⁇ le. 0.22 g of 6-methyl-5- (2-hydroxypyr ⁇ d ⁇ n-3-yl) -1H-2, 3-d ⁇ hydropyrrol ⁇ z ⁇ ne-7-carboxamide is thus obtained in the form of a white powder melting at 315 ° C.
- 6-methyl-5- (2-f luoropyr ⁇ d ⁇ n-3-yl) -1H-2, 3-d ⁇ hydropyrrol ⁇ zme- 7-carbomtr ⁇ le is prepared as described in Example 1 from 7.63 g of N- acid (2-f luoromcotmoyl) prolme-4-carboxyl ⁇ que and 6.5 g of 2-chlorocrotonontral. There is thus obtained 1.4 g of 6-methyl-5- (2- f luoropyr ⁇ d ⁇ n-3-yl) -1H-2, 3-de ⁇ hydropyrrol ⁇ zme-7-carbomtr ⁇ le in the form of white crystals melting at 100 ° C.
- N- (2-f luoromcotmoyl) -L-prol ⁇ ne-4-carboxyl ⁇ que acid is prepared as described in Example 5 from 5 g of 2-fluoromcot ⁇ mque acid and 4.07 g of L-proline. 5.15 g of N- (2-f luoromcotmoyl) -L-prolene-4-carboxylic acid used in this way are thus obtained in the following reaction.
- 6-methyl-5- (2-fluoropyr ⁇ dm-3-yl) -1H, 3H-pyrrolo [1, 2-c] th ⁇ azole-7-carbonitr ⁇ le is prepared as described in Example 1 from 4 g of N- (2-fluoromcotmoyl) -th ⁇ azole-4-carboxylic acid and 2.95 g of 2-chlorocrotononitrile. 1.56 g of 6-methyl-5- (2-fluoropyr ⁇ dm-3-yl) -1H, 3H-pyrrolo [1, 2-c] th ⁇ azole-7- carbonitrile are thus obtained in the form of yellow crystals melting at 132 ° vs.
- [1, 2-c] -1, 3-th ⁇ az ⁇ ne-8-carboxam ⁇ de is prepared as described in Example 10 from 3.85 g of 7-methyl-6- (2-f luoropyr ⁇ dm-3-yl - 4H-1, 2-d ⁇ hydro-pyrrolo [1, 2-c] -1, 3-thiazine-8-carbonitrile. It obtier. * and 1.5 g of 7-methyl-6- (2-f-3 luoropyr ⁇ dm -yl) -4H-1, 2-d ⁇ hydrc- pyrrolo [1, 2-c] -1, 3-th ⁇ az ⁇ ne-8-carboxamide in the form of cnsta- / light yellow melting at 213 ° C.
- [1, 2-c] -1, 3-th ⁇ azme-8-carbon ⁇ tr ⁇ le is prepared as described in Example 1 but from 6.6 g of N- (2-f luoromcotmoyl) -2H- 3 acid, 4, 5, 6-tetrahydro-1, 3-th ⁇ az ⁇ ne-4-carboxyl ⁇ que and 4.95 g of 2-chlorocrotononitrile.
- 3.4 g of 7-methyl-6- (2-f luoropyr ⁇ dm-3-yl) -1, 2-d ⁇ hydro-4H-pyrrolo [1, 2-c] -1, 3-th ⁇ azme- are thus obtained. 8- carbonitrile under white crystals melting at 122 ° C.
- N- (2-f luoromcotmoyl) -2H-3, 4, 5, 6-tetrahydro-1, 3-th ⁇ azme-4-carboxylic acid is prepared by the method described in European patent application EP 118321, but from 8.2 g N- (2-fluoromcotmoyl) -3,4,5,6-tetrahydro-2H-1, 3-th ⁇ az ⁇ ne-4-ethylcarbo-xylate. This gives 6.6 g of N- (2-fluoromcotmoyl) - 3,4,5,6-tetrahydro-2H-1, 3-th ⁇ az ⁇ ne-4-carboxyl ⁇ que acid in the form of yellow crystals melting at 179 ° C.
- the ethyl N- (2-fluoromcotmoyl) -2H-3,4,5,6-tetrahydro-1, 3-th ⁇ azme-4-carboxylate is prepared by the method described in European patent application EP 118321, but at from 12.5 g of 2H-3,4, 5,6-tetrahydro-1, 3-th ⁇ az ⁇ ne-4-carboxylate hydrochloride and 13.5 g of 2-fluoronicotimic acid. 8.2 g of ethyl N- (2-fluoron ⁇ cot ⁇ noyl) -2H-3,4,5,6-tetrahydro-1, 3-th ⁇ azme-4-carboxylate are thus obtained in the form of light yellow oil used as is in the next reaction.
- [1, 2-c] -1, 3-th ⁇ az ⁇ ne-8-carboxam ⁇ de is prepared as described in Example 10 from 3.2 g of 7-methyl-6- (2-chloropyr ⁇ dm-3-yl) - 4H-1, 2-dehydro-pyrrolo [1, 2-c] -1, 3-th ⁇ az ⁇ ne-8-carbomtrand.
- 0.7 g of 7-methyl-6- (2-chloropy ⁇ d ⁇ n-3-yl) -4H-1, 2-d ⁇ hydro-pyrrolo [1, 2-c] -1, 3-th ⁇ az ⁇ ne-8-carboxam ⁇ de are thus obtained in the form of a light beige powder melting at 215 ° C.
- [1, 2-c] -1, 3-th ⁇ azme-8-carbon ⁇ tr ⁇ le is prepared as described in Example 1 from 14.3 g of N- (2-chloromcotmoyl) acid - 3, 4, 5, 6-tetrahydro-2H-1, 3-th ⁇ az ⁇ ne-4-carboxyl ⁇ que and 10 g of 2-chlorocrotonomtr ⁇ le.
- 3.8 g of 7-methyl-6- (2-chloropyr ⁇ dm-3-yl) -4H-1, 2-dehydro-pyrrolo [1, 2-c] -1, 3-th ⁇ azme-8- carbonitrile are thus obtained. in the form of a cream powder melting at 168 ° C.
- N- (2-chloron ⁇ cotmoyl) -3,4,5,6-tetrahydro-2H-1, 3-th ⁇ az ⁇ ne-4-carboxylic acid is prepared by the method described in European patent application EP 118321, but starting from 16 g of N- (2-chloromcotmoyl) -3,4,5,6-tetrahydro-2H-1, 3-th ⁇ azme-4-ethylcarboxylate. 12.7 g of N- (2-chloromcotmoyl) - 3,4,5,6-tetrahydro-2H-1, 3-th ⁇ az ⁇ ne-4-carboxyl ⁇ que acid are thus obtained in the form of a white powder melting at 200 ° C.
- the ethyl N- (2-chloron ⁇ cotmoyl) -2H-3,4,5,6-tetrahydro-1, 3-th ⁇ azme-4-carboxylate is prepared by the method described in European patent application EP 118321, but at from 16.5 g of 2H-3,4,5,6-tetrahydro-1, 3-th ⁇ az ⁇ ne-4-carboxylate hydrochloride and 18.8 g of 2-chloron ⁇ cotm ⁇ que acid.
- 5- (2-chloropyr ⁇ dm-3-yl) -1H, 3H-pyrrolo [1, 2-c] th ⁇ azole-7-carboxamide is prepared as described in Example 11 from 4.7 g of 5- ( 2-chloropyr ⁇ d ⁇ n-3-yl) -1H, 3H-pyrrolo [1, 2-c] th ⁇ azole-7- carbomtrile. 3 g of 5- (2-chloropyr ⁇ dm-3-yl) -1H, 3H-pyrrolo [1, 2-c] th ⁇ azole-7-carboxamide are thus obtained in the form of a cream powder melting at 264 ° C.
- 5- (2-chloropyr ⁇ dm-3-yl) -1H, 3H-pyrrolo [1, 2-c] th ⁇ azole-7- carbonitrile is prepared by the method described in European patent application EP 147317, but from 19 g of N- (2-chloromcotmoyl) -th ⁇ azol ⁇ d ⁇ ne-4-carboxylic acid and 61 g of 2-chloroacrylomtril.
- 4.7 g of 5- (2-chloropyr ⁇ dm- 3-yl) -1H, 3H-pyrrolo [1, 2-c] th ⁇ azole-7-carbomtrumble are thus obtained in the form of an ocher powder melting at 167 ° C.
- the acid N- (2-chloron ⁇ cotmoyl) th ⁇ azol ⁇ dme-4-carboxyl ⁇ que is prepared as described in Example 5 from 27 g of ethyl N- (2-chloronicotmoyl) th ⁇ azol ⁇ d ⁇ ne-4-carboxylate. 1 9, 3 g of N- (2-chloron ⁇ cotmoyl) th ⁇ azol ⁇ dme-4-carboxylic acid are thus obtained in the form of a raw orange resin used.
- the ethyl N- (2-chloron ⁇ cot ⁇ noyl) th ⁇ azol ⁇ dme-4-carboxylate is prepared as described in Example 5 from 23 g of ethyl L-th ⁇ azol ⁇ d ⁇ ne-4-carboxylate hydrochloride and 20.4 g of chloride of 2-chloron ⁇ cot ⁇ noyle. 27 g of ethyl N- (2-chloronicotmoyl) th ⁇ azol ⁇ d ⁇ ne-4-carboxylate are thus obtained in the form of a crude yellow oil used.
- a suspension of 3.0 g of 2-bromo-3- (pyr ⁇ dm-3-yl) -5,6,7,8- tetrahydromdol ⁇ zme-1-carbonitrile prepared from 4.2 g of potassium hydroxide in pellets in 60 cm 3 of tert-butyl alcohol is heated at 90 ° C for 20 hours.
- 120 cm 3 of water and 120 cm 3 of ethyl acetate are then added to the reaction mixture.
- the organic phase is then separated and the aqueous phase extracted with 100 cm 3 of ethyl acetate.
- 2-methyl-3- (pyr ⁇ d ⁇ n-3-yl) -5, 6,7,8-tetrahydromdol ⁇ z ⁇ ne- - carbonitrile is prepared as described in Example 1 from ⁇ ⁇ 11.7 g of N-nicotinoyl acid p ⁇ $9r ⁇ dme-2-carboxyl ⁇ que (prepared according to European patent application EP 118321), 10 g of para-toluene sulfonyl chloride, 24.6 cm 3 of triethylamine and 4.8 cm 3 of 2-chloro crotonitrile.
- the organic phase is separated from the aqueous phase and the latter extracted with dichloromethane (100 cm 3 ).
- the combined organic phases are rewashed with water (100 cm 3 , dried over magnesium sulfate and then concentrated under reduced pressure (2.7 kPa), at a temperature in the region of 40 ° C, to give 24 g of an oil
- This residue is chromatographed on a column 6 cm in diameter containing 500 g of silica (0.04-0.0063), eluted with ethyl acetate under a total pressure of 1.5 bar and by collecting fractions of 100 cm 3.
- the homogeneous fractions are combined and concentrated under reduced pressure (2, "kPa) at a temperature close to 40 ° C.
- the solid is taken up in 20 cm 3 of water and extracted with 6 times 50 cm 3 of ethyl ether, while maintaining the aqueous phase at pH 3-4 by optional addition of an aqueous solution of sodium bicarbonate (to 8%).
- the organic phases are combined and the solution is washed successively with 25 cm 3 of a saturated sodium bicarbonate solution, and 30 cm 3 of water, then dried over magnesium sulfate and evaporated to dryness under reduced pressure (2.7 kPa), at a temperature in the region of 30 ° C to give a white solid (0.65 g).
- a suspension of 5.2 g of 6-methyl-5- (pyridm-3-yl) - 1H, 3H-pyrrolo [1, 2-c] th ⁇ azole-7-carboxylic acid and 4.9 g of 1, 1'-carbonyldumidazole in 100 cm 3 of tetrahydrofuran is stirred for 20 hours at about 20 ° C.
- the reaction mixture is then concentrated to dryness under reduced pressure (2.7 kPa), at a temperature in the region of 40 ° C and the residue is taken up in 100 cm 3 of water.
- the solid formed is drained on sintered glass and washed with water, then recrystallized from 60 cm 3 of acetonitrile.
- a suspension of 5.0 g of 6-methyl-5- (pyr ⁇ dm-3-yl) -1H, 3H-pyrrolo [1, 2-c] th ⁇ azole-7-carbomtr ⁇ le and 4.1 g of potassium hydroxide in tablets in 40 cm 3 of ethylene glycol is heated at reflux for 16 hours.
- the mixture is then concentrated under reduced pressure (14 Pa), at a temperature in the region of 80 ° C, to give a solid residue.
- the resulting precipitate is filtered, washed with water and dried (4.3 g).
- the white precipitate obtained is filtered through sintered glass No. 4 and washed with 2x20 cm of water. 2.19 g of a white solid are obtained which is recrystallized from 20 cm 3 of isopropanol. 1.91 g of 2-chloro-3- (2-chloropyr ⁇ dm-3-yl) -5,6,7,8-tetrahydromdol ⁇ zme-1-carboxamide are thus obtained in the form of a white solid, melting at 179 ° C.
- 2-chloro-3- (2-fluoropyr ⁇ dm-3-yl) -5,6,7,8-tetrahydro ⁇ ndol ⁇ - zme-1-carboxamide is prepared according to the method described in Example 10 from 1.8 g of 2-chloro-3- (2-fluoropyr ⁇ dm-3-yl) -5,6,7,8- tetrahydro ⁇ ndol ⁇ z ⁇ ne-1-carbonitrile and 30 cm 3 of 60% sulfuric acid.
- 1.3 g of 2-chloro-3- (2-fluoropyndm-3-yl) - 5,6,7,8-tetrahydromdol ⁇ zme-1-carboxamide are thus obtained in the form of a white powder melting at 191 ° C.
- 2-chloro-3- (2-f luoropyr ⁇ dm-3-yl) -5,6,7,8-tetrahydromdol ⁇ - zme-1 -carbonitrile is prepared according to the method described in the example
- N- (carbonylth ⁇ azol-5-yl) -2-p ⁇ $9col ⁇ mque acid is prepared according to the following method:
- 5-chloroformyl-th ⁇ azole is prepared from 5 g of 5-th ⁇ azole-carboxylic acid in 80 cm 3 1, 2-d ⁇ chloroethane. The mixture is brought to reflux and 34.2 g of thionyl chloride are added dropwise. The reflux is maintained for 2 hours 30 minutes after the addition and for 10 hours at room temperature. The mixture is concentrated under reduced pressure (2.7 kPa). 5.25 g of crude 5-chloroformyl-th ⁇ azole are thus obtained.
- 5-Th ⁇ azole-carboxylic acid is prepared according to Erlenmeyer, von Meyenburg, Helvetica Acta, 2_9, 204 (1937).
- Methyl 2-methyl-3- (pyr ⁇ dm-3-yl) -5,6,7,8-tetrahydro ⁇ ndol ⁇ z ⁇ ne-1- carboxylate is prepared as in Example 1 from 2.56 g of sodium salt of N-n ⁇ cot ⁇ noyl-p ⁇ dozensr ⁇ dme-2- carboxylic acid and 7.16 g of 2-bromo-2-methyl-butenoate.
- Ethyl N-n ⁇ cotinoyl-p ⁇ Southerndme-2-carboxylate is prepared by the method described in European patent application 118321.
- Methyl 3- (pyr ⁇ dm-3-yl) -5,6,7,8-tetrahydro ⁇ ndol ⁇ z ⁇ ne-1-carboxylate can be prepared as follows:
- the reaction mixture is concentrated under reduced pressure (2.7 kPa) at a temperature in the region of 40 ° C.
- a residue is thus obtained which is taken up in 25 cm 3 of ethyl acetate and filtered.
- the filtrate is concentrated under reduced pressure (2.7 kPa) at a temperature in the region of 40 ° C.
- This residue is again taken up in 25 cm 3 of ethyl acetate and filtered, then the filtrate concentrated to dryness.
- the residue is crystallized from 15 cm J of ethyl ether. The solid is filtered and air dried.
- N-n ⁇ cotinoyl-piperidme-2-carboxyl ⁇ que acid is prepared as described in European patent application 118321.
- the 2-chloro-3- (pyr ⁇ dm-3-yl) -5,6,7,8-tetrahydro ⁇ ndol ⁇ zme- 1-ca'rboxylic acid is prepared as in Example 44 from 0.9 g of 2- methyl chloro-3- (pyr ⁇ dm-3-yl) -5,6,7,8-tetrahydro ⁇ ndol ⁇ zme-1-carboxylate.
- Methyl 2-chloro-3- (pyr ⁇ d ⁇ n-3-yl) -5,6,7,8-tetrahydro ⁇ ndol ⁇ zme-1- carboxylate is prepared as in Example 39 from 1.4 g of 2.7- d ⁇ chloro-3- (pyr ⁇ d ⁇ n-3-yl) -5,6-d ⁇ hydro ⁇ ndol ⁇ z ⁇ ne-methyl carboxylate and 0.28 g of palladium on carbon at 10%.
- 0.9 g of methyl 2-chloro-3- (pyr ⁇ dm-3-yl) -5,6,7,8-tetrahydro- ⁇ ndol ⁇ zme-1-carboxylate is thus obtained in the form of a beige powder melting at 111 ° C.
- Methyl 2,7-d ⁇ chloro-3- (pyr ⁇ dm-3-yl) -5,6-d ⁇ hydromdol ⁇ z ⁇ ne-1- carboxylate is prepared as in Example 39 from 1 g of 3- (pyrid ⁇ n-3-yl ) -5,6,7,8-tetrahydro ⁇ ndol ⁇ z ⁇ ne-1-methyl carboxylate and 1.56 g of N-chlorosuccimmide.
- a suspension of 2.5 g of 5- (pyr ⁇ d ⁇ n-3-yl) -2,3-dehydropyrrol ⁇ - z ⁇ ne-7-carbomtr ⁇ le and 3.4 g of potassium hydroxide pellets in 25 cm 3 of tertiary butanol is heated at reflux for 2 hours.
- the mixture is then cooled to approximately 25 ° C and diluted with 50 cm 3 of water, a slow crystallization is then observed. After 15 hours the crystals are filtered, washed with water and air dried.
- 1.14 g of 5- (pyr ⁇ dm-3-yl) -2.3-d ⁇ hydropyrrol ⁇ zme- 7-carboxyl ⁇ que acid are thus obtained in the form of a white solid which melts at 210 ° C.
- the resulting two-phase mixture is extracted 4 times with 100 cm 3 of ethyl acetate.
- the organic extracts are combined and washed with 70 cm 3 of distilled water, then they are dried over magnesium sulfate and concentrated under reduced pressure (2.7 kPa).
- the solid obtained is chromatographed on a column containing 200 g of silica (0.02-0.05). Eluted with a 50/50 mixture by volume of ethyl acetate and cyclohexane under a total pressure of 1.4 bar and collecting 40 cm 3 fractions.
- Methyl 2- (methoxycarbonyl) -3-oxo-3- [3- (pyr ⁇ dm-3-yl) -5,6,7,8-tetra-hydro-1-mdolizmyl] -propionate is prepared according to the following method :
- the resulting brick-red suspension is stirred at room temperature under argon for 18 hours, then it is cooled to 0 ° C. and treated dropwise with 7 cm 3 of concentrated hydrochloric acid.
- the resulting mixture is diluted with 15 cm 3 of distilled water and decanted, then the aqueous phase is extracted 6 times with 50 cm 3 of dichloromethane.
- the organic extracts are combined and dried over magnesium sulfate and then concentrated under reduced pressure (2.7 kPa).
- Carboxylic acid 3- (pyr ⁇ dm-3-yl) -5,6,7,8-tetrahydro ⁇ ndol ⁇ z ⁇ ne- "- is described in European patent application 147317.
- 1-acetyl-2-bromo-3- (pyr ⁇ dm-3-yl) -5,6,7,8-tetrahydro ⁇ ndolizme is prepared as described in Example 23 from 1.2 g of 1-acetyl -3- (pyr ⁇ d ⁇ n-3-yl) -5,6,7,8-tetrahydro indolizine and 1.1 g of N-bromosuccmimide.
- 0.6 g of 1-acetyl-2-bromo-3- (pyr ⁇ dm-3-yl) -5,6,7,8-tetrahydro ⁇ ndol ⁇ z ⁇ ne is thus obtained in the form of white crystals melting at 163 ° C.
- 1-Acetyl-2-chloro-3- (pyr ⁇ dm-3-yl) -5,6,7,8-tetrahydromdolizme is prepared as described in Example 39 from 1.7 g of 1-acetyl-2,7-d ⁇ chloro-3- (pyr ⁇ dm-3-yl) -5,6-d ⁇ hydromdol ⁇ zme and 0.09 g of 10% palladium on carbon.
- 0.05 g of 1-acetyl-2-chloro-3- (pyr ⁇ dm-3-yl) -5,6,7,8-tetrahydromdol ⁇ zme is thus obtained in the form of a whitish crystalline solid melting at 115 ° C.
- 2-methoxy-3- (py ⁇ d ⁇ n-3-yl) -5,6,7,8-tetrahydromdol ⁇ z ⁇ ne-1- carboxamide is prepared as described in Example 24 from 1.4 g of 2-methoxy-3 - (pyr ⁇ dm-3-yl) -5,6,7,8-tétrahydro ⁇ ndol ⁇ z ⁇ ne-1-carboni ⁇ trile and 1.6 g of potassium hydroxide.
- 1.1 g of 2-methoxy-3- (pyr ⁇ d ⁇ n-3-yl) -5,6,7,8-tetrahydro ⁇ ndol ⁇ z ⁇ ne-1-carboxamide are thus obtained in the form of yellowish crystals melting at 186 ° C.
- 2-methoxy-3- (pyr ⁇ d ⁇ n-3-yl) -5,6,7,8-tetrahydromdol ⁇ z ⁇ ne- ⁇ - carbonitrile is prepared as described in Example 1 from 8.0 g of N-n ⁇ cot ⁇ noyl acid -p ⁇ cherr ⁇ d ⁇ ne-2-carboxyl ⁇ que and 31.6 g of 2-bromo-3-methoxy-acrylomtr ⁇ le. 1.4 g of 2-methoxy- 3- (pyr ⁇ d ⁇ n-3-yl) -5,6,7,8-tetrahydromdol ⁇ z ⁇ ne-1-carbonitrile are thus obtained in the form of a whitish crystalline solid melting at 159 ° C.
- N-n ⁇ cotmoyl-p ⁇ $9r ⁇ dme-2-carboxyl ⁇ que acid is prepared according to European patent application 118321.
- 2-cyano-3- (pyr ⁇ d ⁇ n-3-yl) -5,6,7,8-tetrahydromdol ⁇ z ⁇ ne-1- carboxamide is prepared according to the same method described in Example 11 from 2.12 g of 2- cyano-3- (pyr ⁇ dm-3-yl) -5,6,7,8- tetrahydromdol ⁇ zme-1-carbonitrile and 1.69 g of an aqueous solution of potassium hydroxide. 0.72 g of 2-cyano-3- (pyr ⁇ d ⁇ n-3-yl) -5,6,7,8-tetrahydro ⁇ ndol ⁇ zme-1 -carboxamide are thus obtained in the form of a white solid, melting at 244 ° C.
- 2-cyano-3- (pyr ⁇ dm-3-yl) -5,6,7,8-tetrahydro ⁇ ndol ⁇ z ⁇ ne-1- carbonitrile is prepared according to the same method described in Example 15 from 19.3 g of a mixture of approximately 35 mol% of 3- (pyridm-3-yl) -5,6,7,8-tetrahydromdol ⁇ zme-1-carbonitrile and 65 mol% of 3- (pyr ⁇ d ⁇ n-3-yl) -5,6, 7,8-tétrahydro ⁇ ndol ⁇ z ⁇ ne-2-carbon ⁇ tr ⁇ le and 36.6 g of sulfonyl isocyanate chloride.
- 3- (2-methylpyr ⁇ d ⁇ n-3-yl) -5,6,7,8-tetrahydromdol ⁇ zme-1- carboxamide is prepared as described in Example 11 from 23.3 g of 3- (2-methylpyr ⁇ dm- 3-yl) -5,6,7,8-tetrahydro ⁇ ndol ⁇ z ⁇ ne-1 - carbonitrile and 33 g of potassium hydroxide. 21.85 g of 3- (2-methylpyr ⁇ dm-3-yl) -5,6,7,8-tetrahydromdol ⁇ zme-1- carboxamide are thus obtained in the form of a white solid, melting at 244 ° C.
- the sodium salt of N- (2-methyln ⁇ cotmoyl) -piperidine- 2-carboxylic acid is prepared as in Example 1 from 56.24 g of N- (2-methylmcot ⁇ noyl) -p ⁇ schreibr ⁇ d ⁇ ne-2-carboxylate ethyl and 8 g of sodium hydroxide. 39.66 g of sodium salt of N- (2-methylnicotinoyl) -p ⁇ proceedingsr ⁇ dme-2-carboxyl ⁇ que acid are thus obtained in the form of a white solid melting at 150 ° C.
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Abstract
Description
Claims
Priority Applications (10)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP96922100A EP0833635A1 (fr) | 1995-06-14 | 1996-06-12 | Nouvelle application de derives du pyrrole |
| US08/981,095 US6194426B1 (en) | 1995-06-14 | 1996-06-12 | 5,6,7,8 tetrahydroindolizines derivatives |
| JP50270597A JP2001510437A (ja) | 1995-06-14 | 1996-06-12 | ピロール誘導体の新規な使用 |
| SK1716-97A SK171697A3 (en) | 1995-06-14 | 1996-06-12 | Novel use for pyrrole derivatives |
| EA199800057A EA199800057A1 (ru) | 1995-06-14 | 1996-06-12 | Применение производных пиррола, производные пиррола, способ их получения, фармацевтическая композиция на их основе и ассоциация производных пиррола с антиретровирусным агентом |
| AU63093/96A AU6309396A (en) | 1995-06-14 | 1996-06-12 | Novel use for pyrrole derivatives |
| BR9609000A BR9609000A (pt) | 1995-06-14 | 1996-06-12 | Aplicação terapêutica de derivados do pirrol derivado do pirrol processo de preparação deste derivado composição farmacêutica e associações |
| PL96328669A PL328669A1 (en) | 1995-06-14 | 1996-06-12 | Novel applications of pyrrole derivatives |
| MXPA/A/1997/009150A MXPA97009150A (en) | 1995-06-14 | 1997-11-26 | New application of pir derivatives |
| NO975811A NO975811D0 (no) | 1995-06-14 | 1997-12-10 | Ny anvendelse for pyrrolderivater |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9507055A FR2735476B1 (fr) | 1995-06-14 | 1995-06-14 | Nouvelle application de derives du pyrrole |
| FR95/07055 | 1995-06-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO1997000073A1 true WO1997000073A1 (fr) | 1997-01-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/FR1996/000887 Ceased WO1997000073A1 (fr) | 1995-06-14 | 1996-06-12 | Nouvelle application de derives du pyrrole |
Country Status (19)
| Country | Link |
|---|---|
| US (1) | US6194426B1 (fr) |
| EP (1) | EP0833635A1 (fr) |
| JP (1) | JP2001510437A (fr) |
| KR (1) | KR19990022908A (fr) |
| AU (1) | AU6309396A (fr) |
| BR (1) | BR9609000A (fr) |
| CA (1) | CA2221027A1 (fr) |
| CZ (1) | CZ400697A3 (fr) |
| EA (1) | EA199800057A1 (fr) |
| FR (1) | FR2735476B1 (fr) |
| HU (1) | HUP9901625A2 (fr) |
| IL (1) | IL122560A0 (fr) |
| NO (1) | NO975811D0 (fr) |
| PL (1) | PL328669A1 (fr) |
| SK (1) | SK171697A3 (fr) |
| TR (1) | TR199701604T2 (fr) |
| TW (1) | TW336935B (fr) |
| WO (1) | WO1997000073A1 (fr) |
| ZA (1) | ZA964932B (fr) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6692523B2 (en) | 1996-02-13 | 2004-02-17 | Scimed Life Systems, Inc. | Endovascular apparatus |
| WO2010029364A1 (fr) * | 2008-09-12 | 2010-03-18 | Selcia Limited | Composés |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2757166B1 (fr) * | 1996-12-12 | 1999-01-29 | Rhone Poulenc Rorer Sa | Derives du pyrrole, leur preparation et les compositions pharmaceutiques qui les contiennent |
| FR2779724B1 (fr) * | 1998-06-10 | 2001-04-20 | Rhone Poulenc Rorer Sa | Derives du pyrrole, leur preparation et les compositions pharmaceutiques qui les contiennent |
| US20040014744A1 (en) * | 2002-04-05 | 2004-01-22 | Fortuna Haviv | Substituted pyridines having antiangiogenic activity |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0147317A2 (fr) * | 1983-12-21 | 1985-07-03 | Rhone-Poulenc Sante | Nouveaux dérivés ortho-condensés du pyrrole, leur préparation et les médicaments qui les contiennent |
| EP0522944A2 (fr) * | 1991-07-09 | 1993-01-13 | Aventis Pharma S.A. | Utilisation du (pyridyl-3)-3-1H,3H-pyrrolo 1,2-c thiazole-carboxamide-7 pour le traitement des infections à rétrovirus |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3931201A (en) * | 1974-01-22 | 1976-01-06 | The Dow Chemical Company | Substituted pyridinyloxy(thio)phenyl -acetamides, -ureas and urea derivatives |
| FR2539417A1 (fr) * | 1983-01-13 | 1984-07-20 | Rhone Poulenc Sante | Nouveaux pyrrolo-1, 2 heterocycles, leur preparation et les medicaments qui les contiennent |
| DK704488D0 (da) * | 1988-12-19 | 1988-12-19 | Novo Industri As | Nye n-substituerede azaheterocykliske carboxylsyrer |
-
1995
- 1995-06-14 FR FR9507055A patent/FR2735476B1/fr not_active Expired - Fee Related
-
1996
- 1996-06-10 TW TW085106956A patent/TW336935B/zh active
- 1996-06-10 ZA ZA964932A patent/ZA964932B/xx unknown
- 1996-06-12 PL PL96328669A patent/PL328669A1/xx unknown
- 1996-06-12 HU HU9901625A patent/HUP9901625A2/hu unknown
- 1996-06-12 EP EP96922100A patent/EP0833635A1/fr not_active Withdrawn
- 1996-06-12 CA CA002221027A patent/CA2221027A1/fr not_active Abandoned
- 1996-06-12 WO PCT/FR1996/000887 patent/WO1997000073A1/fr not_active Ceased
- 1996-06-12 JP JP50270597A patent/JP2001510437A/ja active Pending
- 1996-06-12 EA EA199800057A patent/EA199800057A1/ru unknown
- 1996-06-12 CZ CZ974006A patent/CZ400697A3/cs unknown
- 1996-06-12 US US08/981,095 patent/US6194426B1/en not_active Expired - Fee Related
- 1996-06-12 KR KR1019970709377A patent/KR19990022908A/ko not_active Withdrawn
- 1996-06-12 BR BR9609000A patent/BR9609000A/pt not_active Application Discontinuation
- 1996-06-12 TR TR97/01604T patent/TR199701604T2/xx unknown
- 1996-06-12 AU AU63093/96A patent/AU6309396A/en not_active Abandoned
- 1996-06-12 SK SK1716-97A patent/SK171697A3/sk unknown
-
1997
- 1997-12-10 NO NO975811A patent/NO975811D0/no not_active Application Discontinuation
- 1997-12-11 IL IL12256097A patent/IL122560A0/xx unknown
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0147317A2 (fr) * | 1983-12-21 | 1985-07-03 | Rhone-Poulenc Sante | Nouveaux dérivés ortho-condensés du pyrrole, leur préparation et les médicaments qui les contiennent |
| EP0522944A2 (fr) * | 1991-07-09 | 1993-01-13 | Aventis Pharma S.A. | Utilisation du (pyridyl-3)-3-1H,3H-pyrrolo 1,2-c thiazole-carboxamide-7 pour le traitement des infections à rétrovirus |
Non-Patent Citations (1)
| Title |
|---|
| J.L. FABRE ET AL.: "Une cycloaddition dipolaire-1,3 inattendue du chloro-2 acrylonitrile", TETRAHEDRON LETTERS, vol. 26, no. 44, OXFORD GB, pages 5447 - 50, XP002015829 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6692523B2 (en) | 1996-02-13 | 2004-02-17 | Scimed Life Systems, Inc. | Endovascular apparatus |
| US7491230B2 (en) | 1996-02-13 | 2009-02-17 | Boston Scientific Scimed, Inc. | Endovascular apparatus |
| US7799068B2 (en) | 1996-02-13 | 2010-09-21 | Boston Scientific Scimed, Inc. | Endovascular apparatus |
| WO2010029364A1 (fr) * | 2008-09-12 | 2010-03-18 | Selcia Limited | Composés |
| US20110184011A1 (en) * | 2008-09-12 | 2011-07-28 | Selcia Limited | Compounds |
Also Published As
| Publication number | Publication date |
|---|---|
| NO975811L (no) | 1997-12-10 |
| HUP9901625A2 (hu) | 1999-09-28 |
| BR9609000A (pt) | 1999-06-29 |
| IL122560A0 (en) | 1998-06-15 |
| EA199800057A1 (ru) | 1998-10-29 |
| AU6309396A (en) | 1997-01-15 |
| MX9709150A (es) | 1998-03-31 |
| NO975811D0 (no) | 1997-12-10 |
| CZ400697A3 (cs) | 1998-03-18 |
| CA2221027A1 (fr) | 1997-01-03 |
| ZA964932B (en) | 1997-01-06 |
| JP2001510437A (ja) | 2001-07-31 |
| FR2735476B1 (fr) | 1997-07-18 |
| SK171697A3 (en) | 1998-07-08 |
| FR2735476A1 (fr) | 1996-12-20 |
| EP0833635A1 (fr) | 1998-04-08 |
| US6194426B1 (en) | 2001-02-27 |
| PL328669A1 (en) | 1999-02-15 |
| TR199701604T2 (xx) | 2000-10-23 |
| KR19990022908A (ko) | 1999-03-25 |
| TW336935B (en) | 1998-07-21 |
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