EP1530564A2 - Compounds derived from aryl carbamates, preparation thereof and uses of same - Google Patents

Compounds derived from aryl carbamates, preparation thereof and uses of same

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Publication number
EP1530564A2
EP1530564A2 EP03758262A EP03758262A EP1530564A2 EP 1530564 A2 EP1530564 A2 EP 1530564A2 EP 03758262 A EP03758262 A EP 03758262A EP 03758262 A EP03758262 A EP 03758262A EP 1530564 A2 EP1530564 A2 EP 1530564A2
Authority
EP
European Patent Office
Prior art keywords
group
hydrogen atom
compound
phenyl
radical
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP03758262A
Other languages
German (de)
French (fr)
Inventor
Magali Maillet
Laurent Saniere
Eric Nicola
Dominique Potin
Michel Langlois
Michèle Launay
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Cerep SA
Original Assignee
Cerep SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Cerep SA filed Critical Cerep SA
Publication of EP1530564A2 publication Critical patent/EP1530564A2/en
Withdrawn legal-status Critical Current

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    • C07D207/30—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having two double bonds between ring members or between ring members and non-ring members
    • C07D207/34—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having two double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D207/36—Oxygen or sulfur atoms
    • C07D207/40—2,5-Pyrrolidine-diones
    • C07D207/416—2,5-Pyrrolidine-diones with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to other ring carbon atoms
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Definitions

  • the present invention relates to new compounds, their preparation and their uses, in particular therapeutic. It relates more particularly to compounds derived from arylcarbamates, to their preparation and to their uses, in particular in the field of human or animal health.
  • the compounds according to the invention are preferably ligands of the 5-HT4 serotoninergic receptors, and are therefore usable in the therapeutic or prophylactic treatment of any disorder involving a 5-HT4 receptor.
  • the present invention also relates to pharmaceutical compositions comprising such compounds, their preparation and their uses, as well as methods of treatment using said compounds.
  • the present invention relates to arylcarbamate derivatives of general formula (I) and their pharmacologically acceptable salts. It is preferably compounds capable of interfering with processes dependent on serotonin, even more preferably ligands of 5-HT4 receptors, in particular of human serotype.
  • the invention thus provides methods of treatment or prophylaxis of any disorder involving a 5-HT4 receptor.
  • the compounds and compositions according to the invention can prove to be useful for the prophylactic or therapeutic treatment of various pathologies such as:
  • GSD gastroesophageal reflux disease
  • irritable bowel syndrome various gastrointestinal disorders such as gastroesophageal reflux disease (GERD), irritable bowel syndrome, functional dyspepsia, gastroparesis, disorders related to gastrointestinal motility, nausea and constipation,
  • - genitourinary diseases such as urinary retention, incontinence, - disorders of the central nervous system, such as in particular anxiety, schizophrenia, obsessive behavior (such as bulimia or anorexia), depression, memory impairment and dementia,
  • a first subject of the invention resides in a compound of general formula (I):
  • - Ri represents a lower alkyl, aryl, haloalkyl or lower arylalkyl group
  • R 2 represents the hydrogen atom or a lower alkyl group
  • - A represents an aryl or heterocycle group, this group being optionally substituted by another substituent than R 3
  • R 3 represents a group chosen from the groups below:
  • R 7 -R ⁇ 2 represent the hydrogen atom, an aryl radical, a heteroaryl radical, a heterocycle radical, an arylalkyl radical, a heteroarylalkyl radical, a heterocycloalkyl radical, a lower alkyl radical, a cycloakky radical, an alkoxyalkyl group, an alkylaminoalkyl group, an alkyl-COOR 1 group ,
  • the groups R 7 -R 12 taken two by two, can also form together, with the linear chain which supports them, at least one saturated or unsaturated cycle, such as in particular cycloalkyl, cycloakylene, heterocycle,
  • the groups R 1 0-R 12 can also represent a group -COORi
  • R 13 represents a lower alkyl group, a cycloalkyl group, an aryl group, a heterocycle, an arylalkyl group, a heteroarylalkyl group, a heterocycloalkyl group, a cycloalkylcarboxy group, an alkyl-COOR 17 group, an alkoxyalkyl group, an imidazopyridinylalkyl group , a trifluoroalkyl group or a heteroarylthioalkyl group, it being understood that R 13 cannot represent the methyl radical or the ethyl radical, in the cases where A represents a phenyl, R represents the hydrogen atom, G and J represent the group CH, R 3 represents NReCOR 13 or - (NR6) n '-CONR7R 13 with
  • n ' is 0 or 1
  • m, p, q, r, s and t are integers inclusive between 0 and 2, r, s and t not being simultaneously 0,
  • - Y represents a linear or branched alkylene chain of 2 to 5 carbon atoms
  • - J represents a group CR 1 or the nitrogen atom
  • - G represents a group CR 15 or the nitrogen atom
  • R IO and R ⁇ 7 identical or different ⁇ represent the hydrogen atom or a lower alkyl radical
  • R 5 , R ⁇ and R 15 taken individually represent the hydrogen atom, a halogen atom, a lower alkyl group, an alkoxy, alkylthio, alkylsulfonyl, alkylsulfoxide, trifluoromethyl, nitro, cyano, carboxy, alkylecarboxy group , alkylamino or dialkylamino,
  • the groups OR ⁇ and R 14 and / or the groups R 1 and R5 and / or the groups R 15 and R 5 and / or the groups R 15 and R 4 can form, taken together with the aromatic nucleus to which they are attached, a saturated or unsaturated cycle,
  • alkyl more particularly designates a hydrocarbon radical, linear or branched, preferably saturated, having from 1 to 24 carbon atoms.
  • the term “lower alkyl” more particularly designates a hydrocarbon radical, linear or branched, preferably saturated, having from 1 to 12, preferably from 1 to 6, carbon atoms, such as in particular methyl, ethyl, propyl, isopropyl, butyl, isobutyl, tert-butyl, sec-butyl, pentyl, neopentyl, n-hexyl, heptyl, octyl, nonyl, decyl or dodecyl.
  • the alkyl radicals can be chosen in particular from the 2-ethylhexyl, 2-methylbutyl, 2-methylpentyl, 1-methylhexyl and 3-methylheptyl radicals.
  • C 1 -C 4 groups are preferred.
  • the methyl and ethyl groups are more specifically preferred.
  • haloalkyl denotes an alkyl radical as defined above substituted with at least one halogen atom, preferably fluorine.
  • RI represents a perhaloalkyl radical, preferably perfluoroalkyl, such as trifluoromethyl.
  • alkylene groups within the meaning of the invention are divalent groups corresponding to the alkyl groups as defined above by removal of a hydrogen atom.
  • Cycloalkyl or cycloalkylene groups are alkyl or alkylene radicals as defined above forming a ring.
  • aryl groups are mono-, bi- or tri-cyclic aromatic hydrocarbon systems, generally with 5 or 6 members, having from 6 to 18 carbon atoms. Mention may in particular be made of the phenyl or naphthyl radical. Heteroaryl groups are systems aromatic hydrocarbons having on the (or) cycle (s) at least one heteroatom, such as in particular nitrogen, sulfur or oxygen.
  • heterocycle designates mono-, bi- or tri-cyclic hydrocarbon systems having on the (or) cycle (s) at least one heteroatom, such as in particular nitrogen, sulfur or oxygen. They may possibly present at least one unsaturation on the cycle (s). They can be aromatic or not. Mention may in particular be made, as heterocycle, of the piperidine, piperazine, pyrrolidine, morpholine, homopiperazine, homopiperidine, thiomorpholine, tetrahydropyridine, thiophene, furan, pyridine, pyridine, pyrididine and pyrazine group.
  • alkoxy groups correspond to the alkyl groups defined above linked to the rest of the molecule via an -O- (ether) bond.
  • the alkyl-COOR 17 group corresponds to an alkyl radical, preferably lower, having at the end of the alkyl chain a COOR ⁇ - radical.
  • alkylthio groups correspond to the alkyl groups defined above linked to the rest of the molecule via a -S- (thioether) bond.
  • alkylsulfonyl groups correspond to the alkyl groups defined above linked to the rest of the molecule by an SO2 group.
  • alkyl sulfoxide groups correspond to the alkyl groups defined above linked to the rest of the molecule by an SO group.
  • alkylamino or dialkylamino groups correspond to an alkyl group or two alkyl groups as defined above linked to the rest of the molecule by a nitrogen atom or an amino group.
  • An alkylaminoalkyl group corresponds to an alkyl radical interrupted by an amino group.
  • imidazopyridinylalkyl correspond to the imidazopyridine group linked to the rest of the molecule by an alkyl group as defined above.
  • halogen is meant a fluorine, chlorine, bromine or iodine atom.
  • heteroatom is meant an atom chosen from O, N and S.
  • arylalkyl groups are groups comprising an aryl residue (respectively heteroaryl and heterocycle) as defined above linked to the rest of the molecule by means of an alkylene chain. Mention may in particular be made, as arylalkyl group, of the benzyl and phenethyl radicals.
  • saturated or unsaturated cycles aromatic or non-aromatic hydrocarbon ring systems optionally having heteroatoms and / or unsaturations on their cycles. They therefore include in particular aryl, heteroaryl, heterocycle or cycloalkyl radicals as defined above. Mention may in particular be made, as saturated or unsaturated rings, of the cycloalkyl, cycloalkylene, piperidine, piperazine, pyrrolidine, morpholine, homo piperazine, homopiperidine, thiomorphohne, and tetrahydropyridine radicals.
  • the various groups mentioned above may or may not carry one or more substituents, chosen for example from halogen, nitro, cyano, trifluoromethyl, carboxy, (C 1 -C 6) -alkoxycarbonyl, mono- or di- (C !
  • - A represents a phenyl, a pyrimidine, a pyridazine or a pyrazine and / or
  • - RI represents a methyl or ethyl group, and / or
  • - Y is an alkylene chain of 2 or 3 carbon atoms, preferably linear, and / or
  • R 2 is a hydrogen atom, and / or
  • R 3 represents a radical chosen from:
  • R-j is a hydrogen atom, and / or R ⁇ is a hydrogen atom, and / or G is a CH group, and / or J is a CH group.
  • - A represents a phenyl, a pyrimidine, a pyridazine or a pyrazine and / or
  • - RI represents a methyl or ethyl group, and / or
  • Y is an alkylene chain of 2 or 3 carbon atoms, preferably linear, and / or R 2 is a hydrogen atom, and / or R 3 represents a radical chosen from:
  • - R is a hydrogen atom, and / or
  • - G is a CH group, and / or
  • - J is a CH group.
  • - A represents a phenyl, a pyrimidine, a pyridazine or a pyrazine and / or
  • - RI represents a lower alkyl radical, preferably a methyl or ethyl group, and / or
  • - Y is an alkylene chain of 2 or 3 carbon atoms, preferably linear, and / or
  • R 2 is a hydrogen atom, and / or
  • R4 is a hydrogen atom, and / or
  • R5 is a hydrogen atom, and / or
  • - G is a CH group, and / or
  • - J is a CH group, and / or
  • R 3 represents a radical chosen from:
  • R 6 is a hydrogen atom or a lower alkyl radical (in particular methyl) and r represents 0, 1 or 2 (in particular 1 or 2).
  • - A represents a phenyl, a pyrimidine, a pyridazine or a pyrazine and / or
  • - Y is an alkylene chain of 2 or 3 carbon atoms, preferably linear, and / or
  • R 2 is a hydrogen atom, and / or
  • - t is a hydrogen atom, and / or
  • - R 5 is a hydrogen atom
  • / or - G is a CH group, and / or
  • - J is a CH group, and / or
  • R 3 represents a radical chosen from:
  • R 6 is a hydrogen atom or a lower alkyl radical (in particular methyl)
  • R 7 is a hydrogen atom or a lower alkyl radical (in particular methyl)
  • m is an integer inclusive between 0 and 2 (especially 0 or 1).
  • - A represents a phenyl, a pyrimidine, a pyridazine or a pyrazine and / or - RI represents a lower alkyl radical, in particular a methyl or ethyl group, and / or
  • Y is an alkylene chain of 2 or 3 carbon atoms, preferably linear, and / or
  • R 2 is a hydrogen atom, and / or
  • R is a hydrogen atom, and / or
  • Rs is a hydrogen atom, and / or
  • G is a CH group, and / or
  • J is a CH group, and / or
  • R 3 represents a radical chosen from:
  • R is a hydrogen atom or a lower alkyl radical (in particular methyl) and m represents 1 or 2.
  • a preferred sub-family within the meaning of the invention is represented by the compounds of formula (I) in which RI represents a lower alkyl group, in particular methyl or ethyl. As illustrated in the examples, such derivatives within the meaning of the invention have advantageous properties as ligands for 5-HT4 receptors.
  • Another particular category of compounds according to the invention is represented by the compounds of general formula I in which A represents a heterocycle with 6 atoms, optionally substituted, containing one or two nitrogen atoms or an optionally substituted phenyl group.
  • the subject of the invention is the compounds of formula (I) in which Y is an alkylene chain with 2 or 3 carbons, RI represents a methyl or ethyl group and A represents an optionally substituted phenyl group.
  • R3 represents a group -NR 6 -COR 13 or - (NR 6 ) n ' -CONR 7 R ⁇ 3 , with R 13 representing a cycloalkyl group, a heterocycle, a arylalkyl group, heteroarylalkyl group, heterocycloalkyl group, alkylcarboxy group, cycloalkylcarboxy group, alkyl-COOR ⁇ group, imidazopyridinylalkyl group, trifluoroalkyl group or heteroarylthioalkyl group.
  • a particular family according to the invention is represented by the compounds of general formula (I) as defined above, and the sub-families indicated above, in which R 2 is a hydrogen atom, and / or R is a hydrogen atom, and / or Ru is a hydrogen atom, and / or R 15 is a hydrogen atom, even more preferably in which at least two of the groups R 2 , R, R 14 and Ri 5 are a hydrogen atom, even more preferably in which the four groups R 2 , R, R ⁇ and R 1 5 each represent a hydrogen atom.
  • Another particular family according to the invention is represented by the compounds of general formula (I) as defined above, and the sub-families indicated above, in which G is the group CH and / or J is the group CH, more preferably in which G and J each represent the group CH.
  • Another particular family according to the invention is represented by the compounds of general formula (I) as defined above, and the sub-families indicated above, in which n equals 1.
  • Another particular family according to the invention is represented by the compounds of general formula (I) as defined above, and the sub-families indicated above, in which Y is an alkylene chain of 2 or 3 carbon atoms , preferably unbranched.
  • R4, R5, R14 and RI 5 is different from the hydrogen atom.
  • at least one R4, R5, R14 and R15 represents an alkoxy (in particular methoxy), NO2, alkyl (in particular methyl) radical or an atom halogen (in particular chlorine or fluorine), the other R4, R5, R14 and RI 5 advantageously representing a hydrogen atom.
  • the compounds of the invention may be in the form of salts, in particular basic or acid addition salts, preferably compatible with pharmaceutical use.
  • the pharmaceutically acceptable acids there may be mentioned, without limitation, hydrochloric, hydrobromic, sulfuric, phosphoric, acetic, trifluoroacetic, lactic, pyruvic, malonic, succinic, glutaric, fumaric, tartaric, maleic, citric, ascorbic, methane acids. or ethanesulfonic, camphoric, etc.
  • the pharmaceutically acceptable bases non-limiting mention may be made of sodium hydroxide, potassium hydroxide, triethylamine and tert-butylamine.
  • the compounds of formula (I) can be prepared according to techniques known to those skilled in the art.
  • the present invention describes in this regard various synthetic routes, which are illustrated in FIGS. 1-4 and in the examples, and can be implemented by a person skilled in the art, as indicated in the examples.
  • the starting compounds can be obtained commercially or synthesized according to usual methods. It is understood that the present application is not limited to a particular synthetic route, and extends to other methods allowing the production of the indicated compounds.
  • the invention resides in a process for the preparation of a compound as defined above, characterized in that a product of formula (II) is reacted with a product of formula (LU):
  • the invention resides in a process for the preparation of a compound as defined above, characterized in that a product of formula (IV) is reacted with a product of formula (III):
  • reaction is advantageously carried out in a solvent, for example neutral, typically an aprotic solvent (see FIG. 2).
  • a solvent for example neutral, typically an aprotic solvent (see FIG. 2).
  • Another particular object of the invention resides in a process for the preparation of a compound as defined above, characterized in that a product of formula (V) is reacted with a product of formula (VI) in which groups RI, R2, R3, R4, R5, R6, R7, A, Y, J, G, R8-R12, R16 and n, m, p, q have the same meaning as above, in the presence of a carbonyl donating reagent, such as triphosgene or carbonyl dimimidazole.
  • the reaction is advantageously carried out in a solvent, for example neutral, typically an aprotic solvent (see FIG. 3).
  • Another particular object of the invention resides in a process for the preparation of a compound as defined above, characterized in that a product of formula (V) is reacted with a product of formula (VII) in which groups RI, R2, R3, R4, R5, R6, R7, RI 3, A, Y, J, G and n have the same meaning as above, in the presence of a carbonyl donor reagent, such as triphosgene or carbonyl di-imidazole.
  • the reaction is advantageously carried out in a solvent, for example neutral, typically an aprotic solvent (see FIG. 3).
  • Another particular object of the invention resides in a process for the preparation of a compound as defined above, characterized in that a product of formula (V) is reacted with a product of formula (VI) in which groups RI, R2, R3, R4, R5, R6, R7, A, Y, J, G, R8-R12, R16, n, r, s and t have the same meaning as above, in the presence of 'a conventional coupling agent such as DCC on solid support, EDCI, PS-carbodiimide resin.
  • the reaction is advantageously carried out in a solvent, for example neutral, typically an aprotic solvent (see FIG. 4).
  • Another particular object of the invention resides in a process for the preparation of a compound as defined above, characterized in that a product of formula (V) is reacted with a product of formula (LX) in which groups RI, R2, R3, R4, R5, R6, R7, R13, A, Y, J, G and have the same meaning as above, in the presence of a coupling agent such as DCC, l 'EDCI, the PS-carbodiimide resin.
  • the reaction is advantageously carried out in a solvent, for example neutral, typically an aprotic solvent (see FIG. 4).
  • Another particular object of the invention resides in a process for the preparation of a compound as defined above, characterized in that a product of formula (X) is reacted with a product of formula (VI) in which groups RI, R2, R3, R4, R5, R7, A, Y, J, G, R8-R12 and n, m, p, q have the same meaning as above, in the presence of a coupling such as DCC, EDCI, PS-carbodiimide resin.
  • the reaction is advantageously carried out in a solvent, for example neutral, typically an aprotic solvent (see FIG. 5).
  • Another particular object of the invention resides in a process for the preparation of a compound as defined above, characterized in that a product of formula (X) is reacted with a product of formula (VII) in which groups RI, R2, R3, R4, R5, R7, RI 3, A, Y, J, G and n have the same meaning as above, of a coupling agent such as DCC, EDCI , the PS-carbodiimide resin.
  • the reaction is advantageously carried out in a solvent, for example neutral, typically an aprotic solvent (see FIG. 5).
  • Another object of the present invention relates to intermediate products useful for the preparation of products according to the invention.
  • These intermediate products are more particularly chosen from ethyl 3- ⁇ 4- [2- (2-ethoxy-phenylcarbamoyloxy) -ethyl] -piperazin-1-yl ⁇ -benzoate, 3- ⁇ 4- [2- ( Sodium 2-ethoxy-phenylcarbamoyloxy) -ethyl] -piperazin-1 -yl ⁇ -benzoate and one of their addition salts.
  • Another subject of the present invention relates to any pharmaceutical composition comprising a compound as defined above. It is advantageously a pharmaceutical composition for the treatment or prophylaxis of diseases in which a 5-HT4 receptor is involved, for example the 5-HT4e receptor.
  • the pharmaceutical compositions according to the invention can be used in particular for the treatment or prophylaxis of gastrointestinal disorders, disorders of the central nervous system, cardiac affections, genitourinary disorders, obsessive behaviors, migraine or pain.
  • the invention also relates to the use of a compound as defined above for the preparation of a pharmaceutical composition intended for the implementation of a method of treatment or prophylaxis of the human or animal body.
  • the invention also relates to a method of treating a pathology in which a 5-HT4 receptor is involved, comprising the administration to a subject, in particular a human, of an effective dose of a compound or of a pharmaceutical composition such as defined above.
  • compositions according to the invention advantageously comprise one or more excipients or vehicles, acceptable from the pharmaceutical point of view.
  • excipients or vehicles acceptable from the pharmaceutical point of view.
  • the compositions may contain one or more agents or vehicles chosen from dispersants, solubilizers, stabilizers, preservatives, etc.
  • Agents or vehicles which can be used in formulations are in particular methylcellulose, hydroxymethylcellulose, carboxymethylcellulose, polysorbate 80, mannitol, gelatin, lactose, vegetable oils, acacia, etc.
  • compositions may be formulated in the form of an injectable suspension, gels, oils, tablets, suppositories, powders, capsules, capsules, etc., optionally by means of dosage forms or devices ensuring sustained and / or delayed release.
  • an agent such as cellulose, carbonates or starches is advantageously used.
  • the compounds or compositions according to the invention can be administered in different ways and in different forms.
  • they can be injected systemically or orally, preferably systemically, such as for example intravenously, intramuscularly, subcutaneously, trans-dermal, intra-arterial, etc.
  • the compounds are generally packaged in the form of liquid suspensions, which can be injected using syringes or infusions, for example. It is understood that the flow rate and / or the dose injected can be adapted by a person skilled in the art depending on the patient, the pathology, the mode of administration, etc.
  • the compounds are administered in doses which can vary between 0.1 ⁇ g and 100 mg / kg of body weight, more generally from 0.01 to 10 mg / kg, typically between 0.1 and 10 mg / kg.
  • doses which can vary between 0.1 ⁇ g and 100 mg / kg of body weight, more generally from 0.01 to 10 mg / kg, typically between 0.1 and 10 mg / kg.
  • repeated injections can be given, if necessary.
  • the compositions according to the invention can also comprise other active agents or principles.
  • Figure 2 Synthesis scheme 2 of compounds according to the invention.
  • A, Y, G, J and the groups RI and R3-R5 have the same definitions as above.
  • Figure 3 Synthesis scheme 3 of compounds according to the invention.
  • A, Y, G, J and the groups R1-R2 and R4-R13 have the same definitions as above.
  • Figure 4 Synthesis scheme 4 of compounds according to the invention.
  • A, Y, G, J and the groups R1-R2, R4-R6 and R8-R13 have the same definitions as above.
  • Figure 5 Synthesis scheme 5 of compounds according to the invention.
  • A, Y, G, J and the groups R1-R2, R4-R5 and R7-R13 have the same definitions as above.
  • the compounds of the invention were obtained using conventional organic synthesis and parallel synthesis methods.
  • the H and C NMR spectra were recorded on an AC-200-Br ⁇ cker spectrometer.
  • the chemical shifts are given in ppm with tetramethylsilane taken as internal reference.
  • the symbols, m, s, si, d, t, q, quint., Dd, td, etc mean respectively multiplet, singlet, broad singlet, doublet, triplet, quadruplet, quintuplet, doubled doubled, doubled triplet.
  • the infrared spectra were recorded on a Perkin Elmer 841 device (KBr pellets) or on a Brucker vector 22 device with Fourrer transform. The melting points were measured on a Kofler bench.
  • HPLC chromatograms were carried out on a Shimadzu SCL10A device and a Uptisphere UP50DB-5m C18 column (4.6 x50 mm) with a flow rate of 4 ml / min and at the wavelength of 220 nm.
  • Example 7 l- ⁇ tb.yl-3- [4- (2-hydroxy-ethyl) -3,4,5,6-tetrahydro-2H- [1,2 '] bipyrazinyl- 6'-yl] -urea
  • lg 5 mmol, 1 eq
  • N- (2-hydroxyethyl) piperazine 624 ⁇ l
  • 422 mg 4 mmol, 0.8 eq
  • the mixture is brought to reflux for 36 hours, then filtered through a frit.
  • the filtrate is concentrated in vacuo.
  • the residue is chromatographed on a silica column (eluent: CH 2 C1 2 9 / MeOH 1) and 0.32 g (22%) of an oil is obtained which crystallizes in air.
  • Example 8 (2-Ethoxy-phenyl) -carbamic acid 2- [6 , - (3-ethyl-ureido) -2,3,5,6- tetrahydro- [1,2 '] bipyrazinyl-4-yI] - ethyI ester
  • the reaction mixtures are treated with the PS-trisamine resin (Argonaut, 3.65 mmol / g, 65 mg, 0.24 mmol) overnight.
  • the compounds are obtained after dry concentration of the filtered solutions.
  • the compound of Example 26 was also purified on reverse phase (HPLC, gradient from CH 3 CN / H 2 O / TFA: 5/95 / 0.05 to CH 3 CN / H 2 O / TFA: 80/20 / 0.05 ).
  • Example 4 A mixture of Example 4 (0.45g, 1.17 mmol) and TEA (489 ⁇ l, 3.51 mmol) in 3 ml of DCM is added dropwise at 0 ° C to a solution of triphosgene (0128 g, 0.43 mmol) in 3.3 ml of DCM. The mixture is allowed to return to room temperature for 1 hour; 0.2 ml of this mixture is then added to the amine solutions (60 M, 0.06 mmol). After one night at room temperature, the reaction mixtures are treated with 0.125 g of PS-Isocyanate (Argonaut, 1.44 mmol / g, 0.12 mmol), overnight before being purified on cation exchange resin (SCX).
  • SCX cation exchange resin
  • reaction medium 100 ° C for 90h.
  • reaction medium is poured into 1.5 L of water, which is extracted with 3 ⁇ 200 ml of ethyl acetate.
  • the combined organic phases are reextracted with 2x100 ml of an aqueous 2N HCl solution.
  • acidic aqueous phases are combined, basified with 100 ml of a 4N sodium hydroxide solution, then by addition of solid potassium carbonate until reaching saturation.
  • the mixture is extracted with
  • Example 70 Ethyl 3- ⁇ 4- [2- (2-Ethoxy-phenylcarbamoyloxy) -ethyl] -piperazin-1-yl ⁇ -benzoate
  • the reaction mixtures are treated with the PS-trisamine resin (Argonaut, 3.65 mmol / g, 65 mg, 0.24 mmol) overnight. After filtration and rinsing with 2 ⁇ 0.5 ml, concentration under vacuum and recovery in 0.5 ml of DCM, the reaction mixtures are treated with the PS-isocyanate resin (Argonaut, 1.44 mmol / g, 63 mg, 0.090 mmol) overnight. The compounds are obtained after dry concentration of the filtered solutions.
  • Example 72 N-t-Butyloxycarbonyl-ethylenediamine was the amine used, the compound obtained then undergoing hydrolysis with a DCM / TFA solution (1: 1) (1 ml) for 2 h at room temperature. It was purified on cation exchange resin (SCX). The compounds of Examples 101 and 102 were also purified on cation exchange resin (SCX).
  • Example 103 Methyl- (2-piperid -l-yl-ethyl) -amine
  • 2g (15.6 mmol) of 2-pi ⁇ eridin-1-yl-ethylamine in 20 ml of freshly distilled THF, 2.60 ml (18.7 mmol) of triethylamine are added and then dropwise 1.79 ml (18.7 mmol) of ethyl chloroformate.
  • the mixture is stirred for 16 h at room temperature. After evaporation to dryness, the residue is taken up in a mixture of ethyl acetate / saturated Na 2 CO 3 solution.
  • the aqueous phase is extracted twice more with ethyl acetate, then the combined organic phases are dried over Na SO 4 , filtered and evaporated under vacuum. 3.1 of a colorless oil are obtained.
  • the crude is taken up in 70 ml of freshly distilled THF. To this solution, cooled to 0 ° C., under nitrogen, is added dropwise a suspension of 1.17 g (30.8 mmol) of mixed lithium aluminum hydride. The mixture is brought to reflux for 16 h, then the reaction is stopped by the successive addition of 1.17 ml of water, 1.17 ml of 4N sodium hydroxide, then 1.17 ml of water. After filtration and washing of the ether precipitate, the filtrate is evaporated to dryness and the residue is distilled under vacuum (80 ° C, 5 mbar). 1.15 g (52%) are obtained in the form of a colorless oil.
  • aqueous phase is extracted twice more with dichloromethane, then the combined organic phases are dried over Na 2 SO 4 , filtered and evaporated under vacuum. The residue is chromatographed on a silica column (eluent: AcOEt + 3% triethylamine).
  • Example 104 2- (4- ⁇ 3 - [(2-piperidm-l-yl-ethyl) -me yl-carbamoyl] -phenyl ⁇ -piperazin-l- yl) -ethyl N- (2-Ethoxy-phenyl) carbamate
  • Example 105 2- (4- ⁇ 3 - [(2-dimethylarnino-e yl) -methyl-carbamoyl3-phenyl ⁇ -piperazi ⁇ -l- yl) -ethyl N- (2-Ethoxy-phenyl) -carbamate
  • Example 106 2- (4- ⁇ 3 - [(2-diemylamino-ethyl) -methyl-carbamoyl] - ⁇ henyl ⁇ - ⁇ iperazin-l- yl) -ethyl N- (2-Ethoxy-phenyl) -carbamate
  • Example 107 2- [4- (3-nitrophenyl) -piperazin-1-yl] -ethanol
  • DMSO dimethyl methoxysulfoxide
  • a solution of 22.6 ml (0.214 mol) of 3-fluoro-nitrobenzene in 105 ml of DMSO is then added.
  • the mixture is heated at 100 ° C for 30h. After returning to ambient temperature, the reaction medium is poured into 2 L of water, and the precipitate is filtered. After drying under vacuum, 41.8 g of the expected compound are obtained in the form of a yellow solid (yield: 78%).
  • Example 108 1- [2- (tert-Butyl-dimethyl-sianyloxy) -ethyl] -4- (3-nitro-phenyl) - piperazine
  • Example 109 1-12- (ter ⁇ Buryl-dimethyl-sulfanyloxy) -ethyl] -4- (3-aminophenyl) - piperazine
  • Example 110 N- (3- ⁇ 4- [2- (tert-Butyl-dimethyl-silanyloxy) -ethyl] -piperazin-1-yl ⁇ - phenyl) -3-diethylamino-propionamide
  • the compounds of the invention were evaluated by measuring their affinity constant Ki carried out by displacement of a [ 3 H] radioligand -GR1 13808 on rat glial cells stably expressing the human isoform. h5-HT 4th .
  • the confluent glial cells are washed twice with PBS and centrifuged for 5 min at 300 g. The pellet is used immediately and the cells are suspended in 10 volumes of HEPES (50 mM, pH 7.4, 4 ° C) then homogenized with a teflon and centrifuged 20 min at 40000g. The pellet is suspended again in 15 volumes of HEPES.
  • HEPES 50 mM, pH 7.4, 4 ° C
  • the displacement experiments are carried out in 500 ⁇ l of buffer (HEPES 50 mM) containing 20 ⁇ l of radio-ligand [ 3 H] -GR 13808 at a concentration of 0.2 nM for the isoform h5-HT 4e or at a concentration equal to half the Kd of the radio-ligand for the other isoforms expressed in COS cells, 20 ⁇ l of competing ligand at 7 variable concentrations and 50 ⁇ l of membrane preparation (100-200 ⁇ g of proteins determined by assay according to the Bradford method) .
  • buffer HPES 50 mM
  • the binding is carried out at 25 ° C for 30 min and the reaction is stopped by rapid vacuum filtration (Brandel Harvester) on Whatman GF / B filters preincubated in a 0.1% PEI solution in order to reduce the non-specific binding.
  • the radioactivity bound to the membranes is retained by the filter which is cut out and then washed with a cold buffer (50mM Tris-HCl, pH 7.4) and incubated overnight in 4 ml of scintillation liquid.
  • the radioactivity is measured using a liquid scintillation counter (Beckmman LS 6500C).
  • the binding data are obtained by computer-assisted linear regression (Graph Prism Program, Graph Pad Software. Inc; San Diego, CA) The results in the following table are given by way of example:

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Abstract

The invention relates to novel compounds, the preparation thereof and the uses, particularly therapeutic, of same. More specifically, the invention relates to compounds derived from aryl carbamates, the preparation thereof and the uses of same, particularly in the human and animal health field. The inventive compounds are preferably 5-HT4 serotoninergic receptor ligands and thus can be used in the therapeutic or prophylactic treatment of any disorder involving a 5-HT4 receptor. The invention also relates to pharmaceutical compositions containing such compounds, the preparation thereof and uses of same as well as to treatment methods using said compounds.

Description

COMPOSES DERIVES D'ARYLCARBAMATES, COMPOUNDS DERIVED FROM ARYLCARBAMATES,
PREPARATION ET UTILISATIONSPREPARATION AND USES
La présente invention concerne de nouveaux composés, leur préparation et leurs utilisations, notamment thérapeutiques. Elle concerne plus particulièrement des composés dérivés d'arylcarbamates, leur préparation et leurs utilisations, notamment dans le domaine de la santé humaine ou animale. Les composés selon l'invention sont préférentiellement des ligands des récepteurs sérotoninergiques 5-HT4, et sont donc utilisables dans le traitement thérapeutique ou prophylactique de tout désordre impliquant un récepteur 5- HT4. La présente invention concerne également des compositions pharmaceutiques comprenant de tels composés, leur préparation et leurs utilisations, ainsi que des méthodes de traitement utilisant lesdits composés.The present invention relates to new compounds, their preparation and their uses, in particular therapeutic. It relates more particularly to compounds derived from arylcarbamates, to their preparation and to their uses, in particular in the field of human or animal health. The compounds according to the invention are preferably ligands of the 5-HT4 serotoninergic receptors, and are therefore usable in the therapeutic or prophylactic treatment of any disorder involving a 5-HT4 receptor. The present invention also relates to pharmaceutical compositions comprising such compounds, their preparation and their uses, as well as methods of treatment using said compounds.
Un grand nombre de processus dépendant de la sérotonine ont été identifiés à ce jour, et de nombreuses molécules agissant au niveau des récepteurs de la sérotonine sont utilisées en thérapeutique humaine. Plus d'une douzaine de récepteurs de la sérotonine ont été identifiés et l'un des plus récents est le récepteur 5-HT4 ( J.Boc aert et al., Trends Pharmacol. Sci ., 13, 141, 1992). La présente invention se rapporte à des dérivés d'arylcarbamates de formule générale (I) et leurs sels pharmacologiquement acceptables. H s'agit préférentiellement de composés capables d'interférer avec les processus dépendant de la sérotonine, encore plus préférentiellement de ligands des récepteurs 5-HT4, notamment de sérotype humain. L'invention fournit ainsi des méthodes de traitement ou de prophylaxie de tout désordre impliquant un récepteur 5-HT4. Les composés et compositions selon l'invention peuvent s'avérer utiles pour le traitement prophylactique ou thérapeutique de diverses pathologies telles que :A large number of serotonin-dependent processes have been identified to date, and numerous molecules acting at the level of serotonin receptors are used in human therapy. More than a dozen serotonin receptors have been identified and one of the most recent is the 5-HT4 receptor (J. Boc aert et al., Trends Pharmacol. Sci., 13, 141, 1992). The present invention relates to arylcarbamate derivatives of general formula (I) and their pharmacologically acceptable salts. It is preferably compounds capable of interfering with processes dependent on serotonin, even more preferably ligands of 5-HT4 receptors, in particular of human serotype. The invention thus provides methods of treatment or prophylaxis of any disorder involving a 5-HT4 receptor. The compounds and compositions according to the invention can prove to be useful for the prophylactic or therapeutic treatment of various pathologies such as:
- divers troubles gastro-intestinaux tels que le reflux gastro-oesophagien pathologique (GERD), le syndrome du côlon irritable, la dyspepsie fonctionnelle, la gastroparésie, les désordres liés à la motilité gastrointestinale , la nausée et la constipation,- various gastrointestinal disorders such as gastroesophageal reflux disease (GERD), irritable bowel syndrome, functional dyspepsia, gastroparesis, disorders related to gastrointestinal motility, nausea and constipation,
- des affections cardiaques telles que la fibrillation auriculaire, l'arythmie et la tachycardie,- heart conditions such as atrial fibrillation, arrhythmia and tachycardia,
- des affections génito-uiinaires tels que la rétention urinaire, l'incontinence, - des troubles du système nerveux central, tels que notamment l'anxiété, la schizophrénie, les comportements obsessionnels (tels que boulimie ou anorexie), la dépression, les troubles de la mémoire et la démence,- genitourinary diseases such as urinary retention, incontinence, - disorders of the central nervous system, such as in particular anxiety, schizophrenia, obsessive behavior (such as bulimia or anorexia), depression, memory impairment and dementia,
- de la migraine et de la douleur.- migraine and pain.
Un premier objet de l'invention réside dans un composé de formule générale (I) :A first subject of the invention resides in a compound of general formula (I):
Formule (I) Formula (I)
dans laquelle : - Ri représente un groupement alkyle inférieur, aryle, halogénoalkyle ou arylalkyle inférieur,in which: - Ri represents a lower alkyl, aryl, haloalkyl or lower arylalkyl group,
- R2 représente l'atome d'hydrogène ou un groupement alkyle inférieur,- R 2 represents the hydrogen atom or a lower alkyl group,
- A représente un groupement aryle ou hétérocycle, ce groupement étant éventuellement substitué par un autre substituant que R3, - R3 représente un groupe choisi parmi les groupes ci dessous :- A represents an aryl or heterocycle group, this group being optionally substituted by another substituent than R 3 , - R 3 represents a group chosen from the groups below:
-NR6-COR13, et -(NR6)„'-CθNR7R13, - les groupes R7-Rι2, identiques ou différents, représentent l'atome d'hydrogène, un radical aryle, un radical hétéroaryle, un radical hétérocycle, un radical arylalkyle, un radical hétéroarylalkyle, un radical hétérocycloalkyle, un radical alkyle inférieur, un radical cycloaîkyîe, un groupe alkoxyalkyle, un groupe alkylaminoalkyle, un groupe alkyl-COOR1 ,-NR6-COR 13 , and - (NR 6 ) „ ' -CθNR 7 R 13 , - the groups R 7 -Rι 2 , identical or different, represent the hydrogen atom, an aryl radical, a heteroaryl radical, a heterocycle radical, an arylalkyl radical, a heteroarylalkyl radical, a heterocycloalkyl radical, a lower alkyl radical, a cycloakky radical, an alkoxyalkyl group, an alkylaminoalkyl group, an alkyl-COOR 1 group ,
- les groupes R7-R12, pris deux à deux, peuvent en outre former ensemble, avec la chaîne linéaire qui les supporte, au moins un cycle saturé ou non, tel que notamment cycloalkyle, cycloaîkylène, hétérocycle,the groups R 7 -R 12 , taken two by two, can also form together, with the linear chain which supports them, at least one saturated or unsaturated cycle, such as in particular cycloalkyl, cycloakylene, heterocycle,
- les groupes R10-R12 peuvent également représenter un groupe -COORi ,the groups R 1 0-R 12 can also represent a group -COORi,
- R13 représente un groupe alkyle inférieur, un groupe cycloalkyle, un groupe aryle, un hétérocycle, un groupe arylalkyle, un groupe hétéroarylalkyle, un groupe hétérocycloalkyle, un groupe cycloalkylcarboxy, un groupe alkyl-COOR17, un groupe alkoxyalkyle, un groupe imidazopyridinylalkyle, un groupe trifluoroalkyl ou un groupe hétéroarylthioalkyle, étant entendu que R13 ne peut pas représenter le radical méthyle ou le radical éthyle, dans les cas où A représente un phényl, R représente l'atome d'hydrogène, G et J représentent le groupe CH, R3 représente NReCOR13 ou -(NR6)n'-CONR7R13 avec- R 13 represents a lower alkyl group, a cycloalkyl group, an aryl group, a heterocycle, an arylalkyl group, a heteroarylalkyl group, a heterocycloalkyl group, a cycloalkylcarboxy group, an alkyl-COOR 17 group, an alkoxyalkyl group, an imidazopyridinylalkyl group , a trifluoroalkyl group or a heteroarylthioalkyl group, it being understood that R 13 cannot represent the methyl radical or the ethyl radical, in the cases where A represents a phenyl, R represents the hydrogen atom, G and J represent the group CH, R 3 represents NReCOR 13 or - (NR6) n '-CONR7R 13 with
R6 et/ou R7 représentant l'atome d'hydrogène,R 6 and / or R 7 representing the hydrogen atom,
- n est 1 ou 2 ; n' est 0 ou 1, m, p, q, r, s et t sont des entiers compris inclusivement entre 0 et 2, r, s et t n'étant pas simultanément 0,- n is 1 or 2; n 'is 0 or 1, m, p, q, r, s and t are integers inclusive between 0 and 2, r, s and t not being simultaneously 0,
- Y représente une chaîne alkylène, linéaire ou ramifiée, de 2 à 5 atomes de carbone, - J représente un groupement C-R1 ou l'atome d'azote- Y represents a linear or branched alkylene chain of 2 to 5 carbon atoms, - J represents a group CR 1 or the nitrogen atom
- G représente un groupement C-R15 ou l'atome d'azote- G represents a group CR 15 or the nitrogen atom
- Ré, RIO et Rι7 identiques ou différents^ représentent l'atome d'hydrogène ou un radical alkyle inférieur,- Ré, R IO and Rι 7 identical or different ^ represent the hydrogen atom or a lower alkyl radical,
- Rit, R5, Rχ et R15 pris individuellement représentent l'atome d'hydrogène, un atome d'halogène, un groupe alkyle inférieur, un groupe alkoxy, alkylthio, alkylsulfonyle, alkylsulfoxide, trifluorométhyle, nitro, cyano, carboxy, alkylecarboxy, alkylamino ou dialkylamino,- Rit, R 5 , Rχ and R 15 taken individually represent the hydrogen atom, a halogen atom, a lower alkyl group, an alkoxy, alkylthio, alkylsulfonyl, alkylsulfoxide, trifluoromethyl, nitro, cyano, carboxy, alkylecarboxy group , alkylamino or dialkylamino,
- ou, lorsque G ou J ne sont pas l'atome d'azote, les groupements OR} et R14 et/ou les groupements R1 et R5 et/ou les groupements R15 et R5 et/ou les groupements R15 et R4 peuvent former, pris ensemble avec le noyau aromatique auquel ils sont attachés, un cycle saturé ou non,- or, when G or J are not the nitrogen atom, the groups OR} and R 14 and / or the groups R 1 and R5 and / or the groups R 15 and R 5 and / or the groups R 15 and R 4 can form, taken together with the aromatic nucleus to which they are attached, a saturated or unsaturated cycle,
lesdits groupes alkyle, cycloalkyle, aryle, arylalkyle, hétéroaryle, hétérocycle, hétérocycloalkyle, hétéroarylalkyle, alkylaminoalkyle, alkoxy, alkoxyalkyle, alkylthio et alkylcarboxy, ainsi que ledit cycle, pouvant être substitués ou non,said alkyl, cycloalkyl, aryl, arylalkyl, heteroaryl, heterocycle, heterocycloalkyl, heteroarylalkyl, alkylaminoalkyl, alkoxy, alkoxyalkyl, alkylthio and alkylcarboxy groups, as well as said ring, which may or may not be substituted,
ainsi que leurs sels, isomères optiques et géométriques ou leurs mélanges.as well as their salts, optical and geometric isomers or their mixtures.
Selon la présente invention, le terme "alkyle" désigne plus particulièrement un radical hydrocarboné, linéaire ou ramifié, de préférence saturé, ayant de 1 à 24 atomes de carbone. Selon la présente invention, le terme "alkyle inférieur" désigne plus particulièrement un radical hydrocarboné, linéaire ou ramifié, de préférence saturé, ayant de 1 à 12, de préférence de 1 à 6, atomes de carbone, tels que notamment méthyle, éthyle, propyle, isopropyle, butyle, isobutyle, tert-butyle, sec-butyle, pentyle, néopentyle, n-hexyle, heptyle, octyle, nonyle, décyle ou dodécyle. Lorsqu'ils sont ramifiés, les radicaux alkyle peuvent être notamment choisis parmi les radicaux 2-ethylhexyle, 2-methylbutyle, 2- méthylpentyle, 1-methylhexyle et 3-methylheptyle. Les groupes en Ci-C4 sont préférés. Les groupes méthyle et éthyle sont plus spécifiquement préférés.According to the present invention, the term "alkyl" more particularly designates a hydrocarbon radical, linear or branched, preferably saturated, having from 1 to 24 carbon atoms. According to the present invention, the term "lower alkyl" more particularly designates a hydrocarbon radical, linear or branched, preferably saturated, having from 1 to 12, preferably from 1 to 6, carbon atoms, such as in particular methyl, ethyl, propyl, isopropyl, butyl, isobutyl, tert-butyl, sec-butyl, pentyl, neopentyl, n-hexyl, heptyl, octyl, nonyl, decyl or dodecyl. When branched, the alkyl radicals can be chosen in particular from the 2-ethylhexyl, 2-methylbutyl, 2-methylpentyl, 1-methylhexyl and 3-methylheptyl radicals. C 1 -C 4 groups are preferred. The methyl and ethyl groups are more specifically preferred.
Selon la présente invention, le terme "halogénoalkyle" désigne un radical alkyle tel que défini ci-dessus substitué par au moins un atome d'halogène, de préférence le fluor. Selon un aspect particulier de l'invention, RI représente un radical perhalogénoalkyle, de préférence perfluoroalkyle, tel que trifluorométhyle.According to the present invention, the term "haloalkyl" denotes an alkyl radical as defined above substituted with at least one halogen atom, preferably fluorine. According to a particular aspect of the invention, RI represents a perhaloalkyl radical, preferably perfluoroalkyl, such as trifluoromethyl.
Les groupes "alkylène" au sens de l'invention sont des groupes divalents correspondant aux groupes alkyle tels que définis ci-dessus par enlèvement d'un atome d'hydrogène.The “alkylene” groups within the meaning of the invention are divalent groups corresponding to the alkyl groups as defined above by removal of a hydrogen atom.
Les groupes cycloalkyle ou cycloalkylène sont des radicaux alkyle ou alkylène tels que définis ci-dessus formant un cycle.Cycloalkyl or cycloalkylene groups are alkyl or alkylene radicals as defined above forming a ring.
Les groupes « aryle » sont des systèmes hydrocarbonés aromatiques mono-, bi- ou tri- cycliques, généralement à 5 ou 6 chaînons, ayant de 6 à 18 atomes de carbone. On peut notamment citer le radical phényle ou naphtyle. Les groupes hétéroaryle sont des systèmes hydrocarbonés aromatiques présentant sur le (ou les) cycle(s) au moins un hétéroatome, tel que notamment l'azote, le soufre ou l'oxygène.The "aryl" groups are mono-, bi- or tri-cyclic aromatic hydrocarbon systems, generally with 5 or 6 members, having from 6 to 18 carbon atoms. Mention may in particular be made of the phenyl or naphthyl radical. Heteroaryl groups are systems aromatic hydrocarbons having on the (or) cycle (s) at least one heteroatom, such as in particular nitrogen, sulfur or oxygen.
Le terme hétérocycle désigne des systèmes hydrocarbonés mono-, bi- ou tri-cycliques présentant sur le (ou les) cycle(s) au moins un hétéroatome, tel que notamment l'azote, le soufre ou l'oxygène. Ils peuvent éventuellement présenter au moins une insaturation sur le (ou les) cycle(s). Ils peuvent être aromatiques ou non. A titre d'hétérocycle, on peut notamment citer le groupe pipéridine, pipérazine, pyrrolidine, morpholine, homopipérazine, homopipéridine, thiomorpholine, tétrahydropyridine, thiophène, furane, pyridine, pyrimidine, pyridazine et pyrazine.The term heterocycle designates mono-, bi- or tri-cyclic hydrocarbon systems having on the (or) cycle (s) at least one heteroatom, such as in particular nitrogen, sulfur or oxygen. They may possibly present at least one unsaturation on the cycle (s). They can be aromatic or not. Mention may in particular be made, as heterocycle, of the piperidine, piperazine, pyrrolidine, morpholine, homopiperazine, homopiperidine, thiomorpholine, tetrahydropyridine, thiophene, furan, pyridine, pyridine, pyrididine and pyrazine group.
Les groupes « alkoxy » correspondent aux groupes alkyle définis ci-dessus reliés au reste la molécule par l'intermédiaire d'une liaison -O- (éther).The “alkoxy” groups correspond to the alkyl groups defined above linked to the rest of the molecule via an -O- (ether) bond.
Le groupe alkyl-COOR17 correspond à un radical alkyle, de préférence inférieur, présentant à l'extrémité de la chaîne alkyle un radical COORπ-The alkyl-COOR 17 group corresponds to an alkyl radical, preferably lower, having at the end of the alkyl chain a COORπ- radical.
Les groupes « alkylthio » correspondent aux groupes alkyle définis ci-dessus reliés au reste de la molécule par l'intermédiaire d'une liaison -S- (thioéther).The “alkylthio” groups correspond to the alkyl groups defined above linked to the rest of the molecule via a -S- (thioether) bond.
Les groupes « alkylsulfonyle » correspondent aux groupes alkyle définis ci-dessus reliés au reste de la molécule par un groupe SO2.The “alkylsulfonyl” groups correspond to the alkyl groups defined above linked to the rest of the molecule by an SO2 group.
Les groupes « alkylsulfoxyde » correspondent aux groupes alkyle définis ci-dessus reliés au reste de la molécule par un groupe SO.The “alkyl sulfoxide” groups correspond to the alkyl groups defined above linked to the rest of the molecule by an SO group.
Les groupes « alkylamino » ou « dialkylamino » correspondent à un groupe alkyle ou deux groupes alkyle tels que définis ci-dessus reliés au reste de la molécule par un atome d'azote ou un groupe aminé. Un groupe alkylaminoalkyle correspond à un radical alkyle interrompu par un groupe aminé.The “alkylamino” or “dialkylamino” groups correspond to an alkyl group or two alkyl groups as defined above linked to the rest of the molecule by a nitrogen atom or an amino group. An alkylaminoalkyl group corresponds to an alkyl radical interrupted by an amino group.
Les groupes « imidazopyridinylalkyle » correspondent au groupe imidazopyridine relié au reste de la molécule par un groupe alkyle tel que défini ci-dessus.The “imidazopyridinylalkyl” groups correspond to the imidazopyridine group linked to the rest of the molecule by an alkyl group as defined above.
Par « halogène », on entend un atome de fluor, de chlore, de brome ou d'iode. Par « hétéroatome », on entend un atome choisi parmi O, N et S.By "halogen" is meant a fluorine, chlorine, bromine or iodine atom. By “heteroatom” is meant an atom chosen from O, N and S.
Les groupes arylalkyle (hétéroarylalkyle et hétérocycloalkyle) sont des groupes comprenant un reste aryle (respectivement hétéroaryl et hétérocycle) tel que défini ci- dessus lié au reste de la molécule au moyen d'une chaîne alkylène. On peut notamment citer à titre de groupe arylalkyle les radicaux benzyle et phénéthyle.The arylalkyl groups (heteroarylalkyl and heterocycloalkyl) are groups comprising an aryl residue (respectively heteroaryl and heterocycle) as defined above linked to the rest of the molecule by means of an alkylene chain. Mention may in particular be made, as arylalkyl group, of the benzyl and phenethyl radicals.
Par « cycles saturés ou non », on entend des systèmes cycliques hydrocarbonés aromatiques ou non présentant éventuellement des hétéroatomes et/ou des insaturations sur leurs cycles. Ils incluent donc notamment des radicaux aryles, hétéroaryle, hétérocycle ou cycloalkyle tels que définis ci-dessus. On peut notamment citer, à titre de cycles saturés ou non, les radicaux cycloalkyle, cycloalkylène, pipéridine, pipérazine, pyrrolidine, morpholine, homo pipérazine, homopipéridine, thiomorphohne, et tétrahydropyridine,By “saturated or unsaturated cycles” is meant aromatic or non-aromatic hydrocarbon ring systems optionally having heteroatoms and / or unsaturations on their cycles. They therefore include in particular aryl, heteroaryl, heterocycle or cycloalkyl radicals as defined above. Mention may in particular be made, as saturated or unsaturated rings, of the cycloalkyl, cycloalkylene, piperidine, piperazine, pyrrolidine, morpholine, homo piperazine, homopiperidine, thiomorphohne, and tetrahydropyridine radicals.
Lorsque les groupements ORi et R1 et/ou les groupements R5 et R14 et/ou les groupements R5 et R15 et/ou les groupements Ris et R4 forment ensemble, avec le noyau aromatique auquel ils sont attachés, un cycle saturé ou non, il s'agit de préférence d'un cycle comprenant de 3 à 8 atomes, aromatique ou non, comprenant éventuellement un ou plusieurs hétéroatomes, de préférence 0 à 3. Des exemples préférés de tels cycles sont notamment le benzofurane, dihydrobenzofurane, benzodioxane, benzopyrane, dihydrobenzopyrane, benzodioxole.When the groups ORi and R 1 and / or the groups R 5 and R 14 and / or the groups R 5 and R 15 and / or the groups Ris and R 4 form together, with the aromatic nucleus to which they are attached, a cycle saturated or not, it is preferably a cycle comprising from 3 to 8 atoms, aromatic or not, optionally comprising one or more heteroatoms, preferably 0 to 3. Preferred examples of such cycles are in particular benzofuran, dihydrobenzofuran , benzodioxane, benzopyrane, dihydrobenzopyrane, benzodioxole.
Par ailleurs, comme indiqué ci-avant, les différents groupes mentionnés ci-dessus peuvent porter ou non un ou plusieurs substituants, choisis par exemple parmi halogène, nitro, cyano, trifluorométhyle, carboxy, (C1-C6)-alkoxycarbonyle, mono- ou di-(C!-C6)- alkylaminocarbonyle, aminocarbonyle, mono- ou di-(C6-Cι2)-aryl- ou hétéro-(C2-Cι2)- arylaminocarbonyle, mono- ou di-(C6-C12)-aryl- ou hétéro-(C2-Cι2)-aryl-(Cι-C6)- alkylaminocarbonyle, hydroxy, alkoxy, (Cι-C6)-alkyle, (Cι-C6)-alkylamino, amino éventuellement substitué par un ou plusieurs groupements choisis parmi (Cι-C6)-alkyle, (C3-C8)-cycloalkyle, (C2-C12)-aryle, hétéro-(C2-C12)-aryle, (C6-Cι2)-aryl-(Cι-C6)-alkyle, hétéro-(C2-C12)-aryl-(C1-C6)-alkyle, ( -C^-alcanoyle, cyclo-(C3-C8)-alcanoyle, (C6-Cι2)- aroyle, ou (C6-C12)-aryl-(Cι-C7)-alcanoyle. Des composés préférés au sens de l'invention sont des composés de formule (I) ci-dessus dans laquelle au moins une des conditions spécifiées ci-dessous, de préférence toutes, sont respectées :Furthermore, as indicated above, the various groups mentioned above may or may not carry one or more substituents, chosen for example from halogen, nitro, cyano, trifluoromethyl, carboxy, (C 1 -C 6) -alkoxycarbonyl, mono- or di- (C ! -C 6 ) - alkylaminocarbonyl, aminocarbonyl, mono- or di- (C 6 -Cι 2 ) -aryl- or hetero- (C 2 -Cι 2 ) - arylaminocarbonyl, mono- or di- (C6 -C 12 ) -aryl- or hetero- (C 2 -Cι 2 ) -aryl- (Cι-C6) - alkylaminocarbonyl, hydroxy, alkoxy, (Cι-C6) -alkyl, (Cι-C 6 ) -alkylamino, amino optionally substituted by one or more groups chosen from (Cι-C 6 ) -alkyl, (C 3 -C 8 ) -cycloalkyle, (C 2 -C 12 ) -aryl, hetero- (C 2 -C 12 ) -aryl, (C 6 -Cι 2 ) -aryl- (Cι-C 6 ) -alkyl, hetero- (C 2 -C 12 ) -aryl- (C 1 -C 6 ) -alkyl, (-C ^ -alkanoyl, cyclo- (C3-C 8 ) -alkanoyl, (C 6 -Cι 2 ) - aroyl, or (C6-C 12 ) -aryl- (Cι-C 7 ) -alkanoyl. Preferred compounds within the meaning of the invention are compounds of formula (I) above in which at least one of the conditions specified below, preferably all, are met:
- A représente un phényl, une pyrimidine, une pyridazine ou une pyrazine et/ou- A represents a phenyl, a pyrimidine, a pyridazine or a pyrazine and / or
- RI représente un groupement méthyle ou éthyle, et/ou- RI represents a methyl or ethyl group, and / or
- n = 1 et/ou- n = 1 and / or
- n' = 1 et/ou- n '= 1 and / or
- Y est une chaîne alkylène de 2 ou 3 atomes de carbone, de préférence linéaire, et/ou- Y is an alkylene chain of 2 or 3 carbon atoms, preferably linear, and / or
- R2 est un atome d'hydrogène, et/ou- R 2 is a hydrogen atom, and / or
- R3 représente un radical choisi parmi :- R 3 represents a radical chosen from:
R-j est un atome d'hydrogène, et/ou Rδ est un atome d'hydrogène, et/ou G est un groupe CH, et/ou J est un groupe CH.R-j is a hydrogen atom, and / or Rδ is a hydrogen atom, and / or G is a CH group, and / or J is a CH group.
D'autres composés préférés au sens de l'invention sont des composés de formule (I) ci- dessus dans laquelle au moins une des conditions spécifiées ci-dessous, de préférence toutes, sont respectées :Other preferred compounds within the meaning of the invention are compounds of formula (I) above in which at least one of the conditions specified below, preferably all, are met:
- A représente un phényl, une pyrimidine, une pyridazine ou une pyrazine et/ou- A represents a phenyl, a pyrimidine, a pyridazine or a pyrazine and / or
- RI représente un groupement méthyle ou éthyle, et/ou- RI represents a methyl or ethyl group, and / or
- n = 1 et/ou - n' = 0 et/ou Y est une chaîne alkylène de 2 ou 3 atomes de carbone, de préférence linéaire, et/ou R2 est un atome d'hydrogène, et/ou R3 représente un radical choisi parmi :- n = 1 and / or - n '= 0 and / or Y is an alkylene chain of 2 or 3 carbon atoms, preferably linear, and / or R 2 is a hydrogen atom, and / or R 3 represents a radical chosen from:
- R est un atome d'hydrogène, et/ou- R is a hydrogen atom, and / or
- G est un groupe CH, et/ou- G is a CH group, and / or
- J est un groupe CH.- J is a CH group.
D'autres composés préférés au sens de l'invention sont des composés de formule (I) ci- dessus dans laquelle au moins une des conditions spécifiées ci-dessous, de préférence toutes, sont respectées :Other preferred compounds within the meaning of the invention are compounds of formula (I) above in which at least one of the conditions specified below, preferably all, are met:
- A représente un phényl, une pyrimidine, une pyridazine ou une pyrazine et/ou- A represents a phenyl, a pyrimidine, a pyridazine or a pyrazine and / or
- RI représente un radical alkyle inférieur, de préférence un groupement méthyle ou éthyle, et/ou- RI represents a lower alkyl radical, preferably a methyl or ethyl group, and / or
- n = 1 et/ou- n = 1 and / or
- Y est une chaîne alkylène de 2 ou 3 atomes de carbone, de préférence linéaire, et/ou- Y is an alkylene chain of 2 or 3 carbon atoms, preferably linear, and / or
- R2 est un atome d'hydrogène, et/ou- R 2 is a hydrogen atom, and / or
- R4 est un atome d'hydrogène, et/ou- R4 is a hydrogen atom, and / or
- R5 est un atome d'hydrogène, et/ou- R5 is a hydrogen atom, and / or
- G est un groupe CH, et/ou- G is a CH group, and / or
- J est un groupe CH, et/ou- J is a CH group, and / or
- R3 représente un radical choisi parmi :- R 3 represents a radical chosen from:
avec R6 est un atome d'hydrogène ou un radical alkyle inférieur (en particulier méthyle) et r représente 0, 1 ou 2 (en particulier 1 ou 2). with R 6 is a hydrogen atom or a lower alkyl radical (in particular methyl) and r represents 0, 1 or 2 (in particular 1 or 2).
D'autres composés préférés au sens de l'invention sont des composés de formule (I) ci- dessus dans laquelle au moins une des conditions spécifiées ci-dessous, de préférence toutes, sont respectées :Other preferred compounds within the meaning of the invention are compounds of formula (I) above in which at least one of the conditions specified below, preferably all, are met:
- A représente un phényl, une pyrimidine, une pyridazine ou une pyrazine et/ou- A represents a phenyl, a pyrimidine, a pyridazine or a pyrazine and / or
- RI représente un radical alkyle inférieur, en particulier un groupement méthyle ou éthyle, et/ou - n= l, et/ou- RI represents a lower alkyl radical, in particular a methyl or ethyl group, and / or - n = 1, and / or
- Y est une chaîne alkylène de 2 ou 3 atomes de carbone, de préférence linéaire, et/ou- Y is an alkylene chain of 2 or 3 carbon atoms, preferably linear, and / or
- R2 est un atome d'hydrogène, et/ou- R 2 is a hydrogen atom, and / or
- t est un atome d'hydrogène, et/ou- t is a hydrogen atom, and / or
- R5 est un atome d'hydrogène, et/ou - G est un groupe CH, et/ou- R 5 is a hydrogen atom, and / or - G is a CH group, and / or
- J est un groupe CH, et/ou- J is a CH group, and / or
- R3 représente un radical choisi parmi :- R 3 represents a radical chosen from:
avec R6 est un atome d'hydrogène ou un radical alkyle inférieur (en particulier méthyle), R7 est un atome d'hydrogène ou un radical alkyle inférieur (en particulier méthyle), et m est un entier compris inclusivement entre 0 et 2 (en particulier 0 ou 1).with R 6 is a hydrogen atom or a lower alkyl radical (in particular methyl), R 7 is a hydrogen atom or a lower alkyl radical (in particular methyl), and m is an integer inclusive between 0 and 2 (especially 0 or 1).
D'autres composés préférés au sens de l'invention sont des composés de formule (I) ci- dessus dans laquelle au moins une des conditions spécifiées ci-dessous, de préférence toutes, sont respectées :Other preferred compounds within the meaning of the invention are compounds of formula (I) above in which at least one of the conditions specified below, preferably all, are met:
- A représente un phényl, une pyrimidine, une pyridazine ou une pyrazine et/ou - RI représente un radical alkyle inférieur, en particulier un groupement méthyle ou éthyle, et/ou- A represents a phenyl, a pyrimidine, a pyridazine or a pyrazine and / or - RI represents a lower alkyl radical, in particular a methyl or ethyl group, and / or
- n= l, et/ou Y est une chaîne alkylène de 2 ou 3 atomes de carbone, de préférence linéaire, et/ou- n = l, and / or Y is an alkylene chain of 2 or 3 carbon atoms, preferably linear, and / or
R2 est un atome d'hydrogène, et/ouR 2 is a hydrogen atom, and / or
R est un atome d'hydrogène, et/ouR is a hydrogen atom, and / or
Rs est un atome d'hydrogène, et/ouRs is a hydrogen atom, and / or
G est un groupe CH, et/ouG is a CH group, and / or
J est un groupe CH, et/ouJ is a CH group, and / or
R3 représente un radical choisi parmi :R 3 represents a radical chosen from:
avec R est un atome d'hydrogène ou un radical alkyle inférieur (en particulier méthyle) et m représente 1 ou 2.with R is a hydrogen atom or a lower alkyl radical (in particular methyl) and m represents 1 or 2.
Une sous famille préférée au sens de l'invention est représentée par les composés de formule (I) dans laquelle RI représente un groupement alkyle inférieur, en particulier méthyle ou éthyle. Comme illustré dans les exemples, de tels dérivés au sens de l'invention présentent des propriétés avantageuses comme ligands des récepteurs 5-HT4.A preferred sub-family within the meaning of the invention is represented by the compounds of formula (I) in which RI represents a lower alkyl group, in particular methyl or ethyl. As illustrated in the examples, such derivatives within the meaning of the invention have advantageous properties as ligands for 5-HT4 receptors.
Une autre catégorie particulière de composés selon l'invention est représentée par les composés de formule générale I dans laquelle A représente un hétérocycle à 6 atomes, éventuellement substitué, contenant un ou deux atomes d'azote ou un groupement phényle éventuellement substitué.Another particular category of compounds according to the invention is represented by the compounds of general formula I in which A represents a heterocycle with 6 atoms, optionally substituted, containing one or two nitrogen atoms or an optionally substituted phenyl group.
Selon une variante particulièrement préférée, l'invention a pour objet les composés de formule (I) dans laquelle Y est une chaîne alkylène à 2 ou 3 carbones, RI représente un groupement méthyle ou éthyle et A représente un groupement phényle éventuellement substitué.According to a particularly preferred variant, the subject of the invention is the compounds of formula (I) in which Y is an alkylene chain with 2 or 3 carbons, RI represents a methyl or ethyl group and A represents an optionally substituted phenyl group.
Une autre catégorie particulière de composés selon l'invention est représentée par les composés de formule générale I dans laquelle R3 représente un groupe -NR6-COR13 ou - (NR6)n'-CONR7Rι3, avec R13 représentant un groupe cycloalkyle, un hétérocycle, un groupe arylalkyle, un groupe hétéroarylalkyle, un groupe hétérocycloalkyle, un groupe alkylcarboxy, un groupe cycloalkylcarboxy, un groupe alkyl-COORπ, un groupe imidazopyridinylalkyle, un groupe trifluoroalkyl ou un groupe hétéroarylthioalkyle.Another particular category of compounds according to the invention is represented by the compounds of general formula I in which R3 represents a group -NR 6 -COR 13 or - (NR 6 ) n ' -CONR 7 Rι 3 , with R 13 representing a cycloalkyl group, a heterocycle, a arylalkyl group, heteroarylalkyl group, heterocycloalkyl group, alkylcarboxy group, cycloalkylcarboxy group, alkyl-COORπ group, imidazopyridinylalkyl group, trifluoroalkyl group or heteroarylthioalkyl group.
Une famille particulière selon l'invention est représentée par les composés de formule générale (I) tels que définis ci-avant, et les sous-familles indiquées ci-avant, dans lesquels R2 est un atome d'hydrogène, et/ou R est un atome d'hydrogène, et/ou Ru est un atome d'hydrogène, et/ou R15 est un atome d'hydrogène, encore plus préférentiellement dans lesquels deux au moins des groupes R2 , R , R14 et Ri 5 sont un atome d'hydrogène, encore plus préférentiellement dans lesquels les quatre groupes R2 , R , Rι et R15 représentent chacun un atome d'hydrogène.A particular family according to the invention is represented by the compounds of general formula (I) as defined above, and the sub-families indicated above, in which R 2 is a hydrogen atom, and / or R is a hydrogen atom, and / or Ru is a hydrogen atom, and / or R 15 is a hydrogen atom, even more preferably in which at least two of the groups R 2 , R, R 14 and Ri 5 are a hydrogen atom, even more preferably in which the four groups R 2 , R, Rι and R 1 5 each represent a hydrogen atom.
Une autre famille particulière selon l'invention est représentée par les composés de formule générale (I) tels que définis ci-avant, et les sous-familles indiquées ci-avant, dans lesquels G est le groupe CH et/ou J est le groupe CH, plus préférentiellement dans lesquels G et J représentent chacun le groupe CH.Another particular family according to the invention is represented by the compounds of general formula (I) as defined above, and the sub-families indicated above, in which G is the group CH and / or J is the group CH, more preferably in which G and J each represent the group CH.
Une autre famille particulière selon l'invention est représentée par les composés de formule générale (I) tels que définis ci-avant, et les sous-familles indiquées ci-avant, dans lesquels n égal 1.Another particular family according to the invention is represented by the compounds of general formula (I) as defined above, and the sub-families indicated above, in which n equals 1.
Une autre famille particulière selon l'invention est représentée par les composés de formule générale (I) tels que définis ci-avant, et les sous-familles indiquées ci-avant, dans lesquels Y est une chaîne alkylène de 2 ou 3 atomes de carbone, de préférence non ramifiée.Another particular family according to the invention is represented by the compounds of general formula (I) as defined above, and the sub-families indicated above, in which Y is an alkylene chain of 2 or 3 carbon atoms , preferably unbranched.
Une autre famille particulière de composés selon l'invention est représentée par les composés de formule générale I dans laquelle R4, R5, RI 4 et RI 5 représentent l'atome d'hydrogène.Another particular family of compounds according to the invention is represented by the compounds of general formula I in which R4, R5, RI 4 and RI 5 represent the hydrogen atom.
Une autre catégorie particulière de composés selon l'invention est représentée par les composés de formule générale I dans laquelle au moins un R4, R5, R14 et RI 5 est différent de l'atome d'hydrogène. En particulier, au moins un R4, R5, R14 et R15 représente un radical alkoxy (en particulier méthoxy), NO2, alkyle (en particulier méthyle) ou un atome d'halogène (en particulier chlore ou fluor), les autres R4, R5, R14 et RI 5 représentant avantageusement un atome d'hydrogène.Another particular category of compounds according to the invention is represented by the compounds of general formula I in which at least one R4, R5, R14 and RI 5 is different from the hydrogen atom. In particular, at least one R4, R5, R14 and R15 represents an alkoxy (in particular methoxy), NO2, alkyl (in particular methyl) radical or an atom halogen (in particular chlorine or fluorine), the other R4, R5, R14 and RI 5 advantageously representing a hydrogen atom.
Comme indiqué, les composés de l'invention peuvent être sous fonne de sels, notamment de sels d'addition basiques ou acides, préférentiellement compatibles avec un usage pharmaceutique.As indicated, the compounds of the invention may be in the form of salts, in particular basic or acid addition salts, preferably compatible with pharmaceutical use.
Parmi les acides pharmaceutiquement acceptables, on peut citer, à titre non limitatif, les acides chlorhydrique, bromhydrique, sulfurique, phosphorique, acétique, trifluoroacétique, lactique, pyruvique, malonique, succinique, glutarique, fumarique, tartrique, maléique, citrique, ascorbique, méthane ou éthanesulfonique, camphorique, etc. Parmi les bases pharmaceutiquement acceptables, on peut citer à titre non limitatif, Phydroxyde de sodium, l'hydroxyde de potassium, la triéthylamine et la tert-butylamine.Among the pharmaceutically acceptable acids, there may be mentioned, without limitation, hydrochloric, hydrobromic, sulfuric, phosphoric, acetic, trifluoroacetic, lactic, pyruvic, malonic, succinic, glutaric, fumaric, tartaric, maleic, citric, ascorbic, methane acids. or ethanesulfonic, camphoric, etc. Among the pharmaceutically acceptable bases, non-limiting mention may be made of sodium hydroxide, potassium hydroxide, triethylamine and tert-butylamine.
Des exemples spécifiques de composés préférés au sens de l'invention sont notamment les composés tels que décrits dans les exemples, plus spécifiquement ceux des exemples n° 9- 67, 72-102, 104-106 et 112-119, ainsi que leurs sels, et en particulier les composés suivants :Specific examples of preferred compounds within the meaning of the invention are in particular the compounds as described in the examples, more specifically those of Examples 9-67, 72-102, 104-106 and 112-119, as well as their salts , and in particular the following compounds:
2-(4-{3-[3-(l-ethyl-pyrrolidin-2-ylmethyl)-ureido]-phenyl}-piperazin-l-yl)-ethyl N-(2- Ethoxy-phenyl)-carbamate, 57 2- (4- {3- [3- (l-ethyl-pyrrolidin-2-ylmethyl) -ureido] -phenyl} -piperazin-l-yl) -ethyl N- (2- Ethoxy-phenyl) -carbamate, 57
2-(4- {3-[(l -methyl- 1 ,2,5,6-tetrahydro-pyridine-3 -carbonyl)-amino ] -phényl } -piperazin- 1 - yl)-ethyl N-(2-Ethoxy-ρhenyl)-carbamate, 21 2- (4- {3 - [(l -methyl- 1, 2,5,6-tetrahydro-pyridine-3 -carbonyl) -amino] -phenyl} -piperazin- 1 - yl) -ethyl N- (2- Ethoxy-ρhenyl) -carbamate, 21
2-{4-[3-(3-amino-ρroρionylamino)-ρhenyl]-piρerazin-l-yl}-ethyl N-(2-Ethoxy-phenyl)- carbamate, 422- {4- [3- (3-amino-ρroρionylamino) -ρhenyl] -piρerazin-l-yl} -ethyl N- (2-Ethoxy-phenyl) - carbamate, 42
2-(4-{3-[2-anιmo-3-(4-hydroxy-ρhenyl)-ρropionylamino]-ρhenyl}-piρerazin-l-yl)-ethyl N- (2-Ethoxy-phenyι)-carbamate, 442- (4- {3- [2-anιmo-3- (4-hydroxy-ρhenyl) -ρropionylamino] -ρhenyl} -piρerazin-l-yl) -ethyl N- (2-Ethoxy-phenyι) -carbamate, 44
2.[4-(3-{3-[3-(4-methyl-piρerazm-l-yl)-ρroρyl]-ureido}-ρhenyl)-ρiρerazin-l-yl]-ethyl N-2. [4- (3- {3- [3- (4-me t hyl-piρerazm-l-yl) -ρroρyl] -ureido} -ρhenyl) -ρiρerazin-l-yl] -ethyl N-
(2-Ethoxy-ρhenyl)-carbamate, 60(2-Ethoxy-ρhenyl) -carbamate, 60
2-(4-{3-[(4-ρyrrolidin-l-yl-ρiperidine-l-carbonyl)-amino]-ρhenyl}-piρerazin-l-yl)-ethyl N-(2-Ethoxy-phenyl)-carbamate, 592- (4- {3 - [(4-ρyrrolidin-l-yl-ρiperidine-l-carbonyl) -amino] -ρhenyl} -piρerazin-l-yl) -ethyl N- (2-Ethoxy-phenyl) -carbamate , 59
2-(4- {3 -[2-piρeridin- 1 -yl-ethylcarbamoyl] -phényl} -piperazin- 1 -yl)-ethyl N-(2-Ethoxy- ρhenyl)-carbamate, 78 2- (4- {3 - [2-piρeridin- 1 -yl-ethylcarbamoyl] -phenyl} -piperazin- 1 -yl) -ethyl N- (2-Ethoxy- ρhenyl) -carbamate, 78
2-(4-{3-[(2-dimethylarmno-ethyl)-methyl-carbamoyl]--phenyl}-ρiperazin-l-yl)-ethyl N-(2- Ethoxy-phenyl)-carbamate, 105 2- (4- {3 - [(2-dimethylarmno-ethyl) -methyl-carbamoyl] - phenyl} -ρiperazin-l-yl) -ethyl N- (2- Ethoxy-phenyl) -carbamate, 105
Les composés de formule (I) peuvent être préparés selon les techniques connues de l'homme du métier. La présente invention décrit à cet égard différentes voies de synthèse, qui sont illustrées sur les figures 1-4 et dans les exemples, et peuvent être mises en oeuvre par l'homme du métier, comme indiqué dans les exemples. Les composés de départ peuvent être obtenus dans le commerce ou synthétisés selon des procédés habituels. Il est entendu que la présente demande n'est pas limitée à une voie de synthèse particulière, et s'étend à d'autres procédés permettant la production des composés indiqués.The compounds of formula (I) can be prepared according to techniques known to those skilled in the art. The present invention describes in this regard various synthetic routes, which are illustrated in FIGS. 1-4 and in the examples, and can be implemented by a person skilled in the art, as indicated in the examples. The starting compounds can be obtained commercially or synthesized according to usual methods. It is understood that the present application is not limited to a particular synthetic route, and extends to other methods allowing the production of the indicated compounds.
Selon un objet particulier, l'invention réside dans un procédé de préparation d'un composé tel que défini ci-avant, caractérisé en ce que l'on fait réagir un produit de formule (II) avec un produit de formule (LU) :According to a particular subject, the invention resides in a process for the preparation of a compound as defined above, characterized in that a product of formula (II) is reacted with a product of formula (LU):
dans lesquelles les groupes RI, R2, R3, R4, R5, A, Y, J, G et n ont la même signification que ci-avant, en présence d'un réactif donneur de carbonyle, de préférence le triphosgène ou le système (Boc)2O/DMAP, et on récupère le produit obtenu. La réaction est avantageusement réalisée dans un solvant, par exemple neutre, typiquement un solvant apro tique (Voir figure 1). Selon un objet particulier, l'invention réside dans un procédé de préparation d'un composé tel que défini ci-avant, caractérisé en ce que l'on fait réagir un produit de formule (IV) avec un produit de formule (III) :in which the groups RI, R2, R3, R4, R5, A, Y, J, G and n have the same meaning as above, in the presence of a carbonyl donor reagent, preferably triphosgene or the system ( Boc) 2 O / DMAP, and the product obtained is recovered. The reaction is advantageously carried out in a solvent, for example neutral, typically an aprotic solvent (see FIG. 1). According to a particular subject, the invention resides in a process for the preparation of a compound as defined above, characterized in that a product of formula (IV) is reacted with a product of formula (III):
dans lesquelles les groupes RI, R2, R3, R4, R5, A, Y, J, G et n ont la même signification que ci-avant. La réaction est avantageusement réalisée dans un solvant, par exemple neutre, typiquement un solvant aprotique (Voir figure 2).in which the groups RI, R2, R3, R4, R5, A, Y, J, G and n have the same meaning as above. The reaction is advantageously carried out in a solvent, for example neutral, typically an aprotic solvent (see FIG. 2).
Un autre objet particulier de l'invention réside dans un procédé de préparation d'un composé tel que défini ci-avant, caractérisé en ce que l'on fait réagir un produit de formule (V) avec un produit de formule (VI) dans lesquelles les groupes RI, R2, R3, R4, R5, R6, R7, A, Y, J, G, R8-R12, R16 et n, m, p, q ont la même signification que ci-avant, en présence d'un réactif donneur de carbonyle, tel que le triphosgène ou le carbonyl di- imidazole. La réaction est avantageusement réalisée dans un solvant, par exemple neutre, typiquement un solvant aprotique (Voir figure 3).Another particular object of the invention resides in a process for the preparation of a compound as defined above, characterized in that a product of formula (V) is reacted with a product of formula (VI) in which groups RI, R2, R3, R4, R5, R6, R7, A, Y, J, G, R8-R12, R16 and n, m, p, q have the same meaning as above, in the presence of a carbonyl donating reagent, such as triphosgene or carbonyl dimimidazole. The reaction is advantageously carried out in a solvent, for example neutral, typically an aprotic solvent (see FIG. 3).
(V) (VI)(V) (VI)
Un autre objet particulier de l'invention réside dans un procédé de préparation d'un composé tel que défini ci-avant, caractérisé en ce que l'on fait réagir un produit de formule (V) avec un produit de formule (VII) dans lesquelles les groupes RI, R2, R3, R4, R5, R6, R7, RI 3, A, Y, J, G et n ont la même signification que ci-avant, en présence d'un réactif donneur de carbonyle, tel que le triphosgène ou le carbonyl di-imidazole. La réaction est avantageusement réalisée dans un solvant, par exemple neutre, typiquement un solvant aprotique (Voir figure 3).Another particular object of the invention resides in a process for the preparation of a compound as defined above, characterized in that a product of formula (V) is reacted with a product of formula (VII) in which groups RI, R2, R3, R4, R5, R6, R7, RI 3, A, Y, J, G and n have the same meaning as above, in the presence of a carbonyl donor reagent, such as triphosgene or carbonyl di-imidazole. The reaction is advantageously carried out in a solvent, for example neutral, typically an aprotic solvent (see FIG. 3).
(V) (VII)(V) (VII)
Un autre objet particulier de l'invention réside dans un procédé de préparation d'un composé tel que défini ci-avant, caractérisé en ce que l'on fait réagir un produit de formule (V) avec un produit de formule (VLÏÏ) dans lesquelles les groupes RI, R2, R3, R4, R5, R6, R7, A, Y, J, G, R8-R12, R16, n, r, s et t ont la même signification que ci-avant, en présence d'un agent de couplage classique tel que le DCC sur support solide, l'EDCI , la résine PS- carbodiimide. La réaction est avantageusement réalisée dans un solvant, par exemple neutre, typiquement un solvant aprotique (Voir figure 4).Another particular object of the invention resides in a process for the preparation of a compound as defined above, characterized in that a product of formula (V) is reacted with a product of formula (VI) in which groups RI, R2, R3, R4, R5, R6, R7, A, Y, J, G, R8-R12, R16, n, r, s and t have the same meaning as above, in the presence of 'a conventional coupling agent such as DCC on solid support, EDCI, PS-carbodiimide resin. The reaction is advantageously carried out in a solvent, for example neutral, typically an aprotic solvent (see FIG. 4).
(V) (VIII)(V) (VIII)
Un autre objet particulier de l'invention réside dans un procédé de préparation d'un composé tel que défini ci-avant, caractérisé en ce que l'on fait réagir un produit de formule (V) avec un produit de formule (LX) dans lesquelles les groupes RI, R2, R3, R4, R5, R6, R7, R13, A, Y, J, G et nont la même signification que ci-avant, en présence d'un agent de couplage tel que le DCC, l'EDCI, la résine PS-carbodiimide. La réaction est avantageusement réalisée dans un solvant, par exemple neutre, typiquement un solvant aprotique (Voir figure 4). Another particular object of the invention resides in a process for the preparation of a compound as defined above, characterized in that a product of formula (V) is reacted with a product of formula (LX) in which groups RI, R2, R3, R4, R5, R6, R7, R13, A, Y, J, G and have the same meaning as above, in the presence of a coupling agent such as DCC, l 'EDCI, the PS-carbodiimide resin. The reaction is advantageously carried out in a solvent, for example neutral, typically an aprotic solvent (see FIG. 4).
(V) (LX)(V) (LX)
Un autre objet particulier de l'invention réside dans un procédé de préparation d'un composé tel que défini ci-avant, caractérisé en ce que l'on fait réagir un produit de formule (X) avec un produit de formule (VI) dans lesquelles les groupes RI, R2, R3, R4, R5, R7, A, Y, J, G, R8-R12 et n, m, p, q ont la même signification que ci-avant, en présence d'un agent de couplage tel que le DCC, l'EDCI, la résine PS-carbodiimide. La réaction est avantageusement réalisée dans un solvant, par exemple neutre, typiquement un solvant aprotique (Voir figure 5).Another particular object of the invention resides in a process for the preparation of a compound as defined above, characterized in that a product of formula (X) is reacted with a product of formula (VI) in which groups RI, R2, R3, R4, R5, R7, A, Y, J, G, R8-R12 and n, m, p, q have the same meaning as above, in the presence of a coupling such as DCC, EDCI, PS-carbodiimide resin. The reaction is advantageously carried out in a solvent, for example neutral, typically an aprotic solvent (see FIG. 5).
PO (VI)PO (VI)
Un autre objet particulier de l'invention réside dans nn procédé de préparation d'un composé tel que défini ci-avant, caractérisé en ce que l'on fait réagir un produit de formule (X) avec un produit de formule (VII) dans lesquelles les groupes RI, R2, R3, R4, R5, R7, RI 3, A, Y, J, G et n ont la même signification que ci-avant, d'un agent de couplage tel que le DCC, l'EDCI, la résine PS-carbodiimide. La réaction est avantageusement réalisée dans un solvant, par exemple neutre, typiquement un solvant aprotique (Voir figure 5). Another particular object of the invention resides in a process for the preparation of a compound as defined above, characterized in that a product of formula (X) is reacted with a product of formula (VII) in which groups RI, R2, R3, R4, R5, R7, RI 3, A, Y, J, G and n have the same meaning as above, of a coupling agent such as DCC, EDCI , the PS-carbodiimide resin. The reaction is advantageously carried out in a solvent, for example neutral, typically an aprotic solvent (see FIG. 5).
(X) (VII)(X) (VII)
Un autre objet de la présente invention concerne des produits intermédiaires utiles pour la préparation de produits selon l'invention. Ces produits intermédiaires sont plus particulièrement choisis parmi le 3-{4-[2-(2-ethoxy-phenylcarbamoyloxy)-éthyl]- pipérazin-l-yl}-benzoate d'éthyle, le 3-{4-[2-(2-ethoxy-phenylcarbamoyloxy)-éthyl]- pipérazin-1 -yl} -benzoate de sodium et un de leurs sels d'addition.Another object of the present invention relates to intermediate products useful for the preparation of products according to the invention. These intermediate products are more particularly chosen from ethyl 3- {4- [2- (2-ethoxy-phenylcarbamoyloxy) -ethyl] -piperazin-1-yl} -benzoate, 3- {4- [2- ( Sodium 2-ethoxy-phenylcarbamoyloxy) -ethyl] -piperazin-1 -yl} -benzoate and one of their addition salts.
Un autre objet de la présente invention concerne toute composition pharmaceutique comprenant un composé tel que défini ci-avant. Il s'agit avantageusement d'une composition pharmaceutique pour le traitement ou la prophylaxie des maladies dans lesquelles un récepteur 5-HT4 est impliqué, par exemple le récepteur 5-HT4e. Les compositions pharmaceutiques selon l'invention sont utilisables notamment pour le traitement ou la prophylaxie de troubles gastro-intestinaux, de troubles du système nerveux central, d'affections cardiaques, d'affections génito-urinaires, de comportements obsessionnels, de la migraine ou de la douleur.Another subject of the present invention relates to any pharmaceutical composition comprising a compound as defined above. It is advantageously a pharmaceutical composition for the treatment or prophylaxis of diseases in which a 5-HT4 receptor is involved, for example the 5-HT4e receptor. The pharmaceutical compositions according to the invention can be used in particular for the treatment or prophylaxis of gastrointestinal disorders, disorders of the central nervous system, cardiac affections, genitourinary disorders, obsessive behaviors, migraine or pain.
L'invention concerne également l'utilisation d'un composé tel que défini ci-avant pour la préparation d'une composition pharmaceutique destinée à la mise en œuvre d'une méthode de traitement ou de prophylaxie du corps humain ou animal.The invention also relates to the use of a compound as defined above for the preparation of a pharmaceutical composition intended for the implementation of a method of treatment or prophylaxis of the human or animal body.
L'invention concerne également une méthode de traitement d'une pathologie dans laquelle un récepteur 5-HT4 est impliqué, comprenant l'administration à un sujet, notamment humain, d'une dose efficace d'un composé ou d'une composition pharmaceutique tels que définis ci-avant.The invention also relates to a method of treating a pathology in which a 5-HT4 receptor is involved, comprising the administration to a subject, in particular a human, of an effective dose of a compound or of a pharmaceutical composition such as defined above.
Les compositions pharmaceutiques selon l'invention comprennent avantageusement un ou plusieurs excipients ou véhicules, acceptables sur le plan pharmaceutique. On peut citer par exemple des solutions salines, physiologiques, isotoniques, tamponnées, etc., compatibles avec un usage pharmaceutique et connues de l'homme du métier. Les compositions peuvent contenir un ou plusieurs agents ou véhicules choisis parmi les dispersants, solubilisants, stabilisants, conservateurs, etc. Des agents ou véhicules utilisables dans des formulations (liquides et/ou injectables et/ou solides) sont notamment la méthylcellulose, rhydroxyméthylcellulose, la carboxyméthylcellulose, le polysorbate 80, le mannitol, la gélatine, le lactose, des huiles végétales, l'acacia, etc. Les compositions peuvent être formulées sous forme de suspension injectable, de gels, huiles, comprimés, suppositoires, poudres, gélules, capsules, etc., éventuellement au moyen de formes galéniques ou de dispositifs assurant une libération prolongée et/ou retardée. Pour ce type de formulation, on utilise avantageusement un agent tel que la cellulose, des carbonates ou des amidons.The pharmaceutical compositions according to the invention advantageously comprise one or more excipients or vehicles, acceptable from the pharmaceutical point of view. We can quote by example of saline, physiological, isotonic, buffered solutions, etc., compatible with pharmaceutical use and known to those skilled in the art. The compositions may contain one or more agents or vehicles chosen from dispersants, solubilizers, stabilizers, preservatives, etc. Agents or vehicles which can be used in formulations (liquids and / or injectables and / or solids) are in particular methylcellulose, hydroxymethylcellulose, carboxymethylcellulose, polysorbate 80, mannitol, gelatin, lactose, vegetable oils, acacia, etc. The compositions may be formulated in the form of an injectable suspension, gels, oils, tablets, suppositories, powders, capsules, capsules, etc., optionally by means of dosage forms or devices ensuring sustained and / or delayed release. For this type of formulation, an agent such as cellulose, carbonates or starches is advantageously used.
Les composés ou compositions selon l'invention peuvent être administrés de différentes manières et sous différentes formes. Ainsi, ils peuvent être injectés par voie systémique ou orale, de préférence systémique, comme par exemple par voie intraveineuse, intramusculaire, sous-cutanée, trans-dermique, intra-artérielle, etc. Pour les injections, les composés sont généralement conditionnés sous forme de suspensions liquides, qui peuvent être injectées au moyen de seringues ou de perfusions, par exemple. Il est entendu que le débit et/ou la dose injectée peuvent être adaptés par l'homme du métier en fonction du patient, de la pathologie, du mode d'administration, etc. Typiquement, les composés sont administrés à des doses pouvant varier entre 0,1 μg et 100 mg/kg de poids corporel, plus généralement de 0,01 à 10 mg/kg, typiquement entre 0,1 et 10 mg/kg. En outre, des injections répétées peuvent être réalisées, le cas échéant. D'autre part, les compositions selon l'invention peuvent comprendre, en outre, d' utres agents ou principes actifs.The compounds or compositions according to the invention can be administered in different ways and in different forms. Thus, they can be injected systemically or orally, preferably systemically, such as for example intravenously, intramuscularly, subcutaneously, trans-dermal, intra-arterial, etc. For injections, the compounds are generally packaged in the form of liquid suspensions, which can be injected using syringes or infusions, for example. It is understood that the flow rate and / or the dose injected can be adapted by a person skilled in the art depending on the patient, the pathology, the mode of administration, etc. Typically, the compounds are administered in doses which can vary between 0.1 μg and 100 mg / kg of body weight, more generally from 0.01 to 10 mg / kg, typically between 0.1 and 10 mg / kg. In addition, repeated injections can be given, if necessary. On the other hand, the compositions according to the invention can also comprise other active agents or principles.
D'autres aspects et avantages de la présente invention apparaîtront à la lecture des exemples qui suivent, qui doivent être considérés comme illustratifs et non limitatifs.Other aspects and advantages of the present invention will appear on reading the examples which follow, which should be considered as illustrative and not limiting.
Légende des Figures Figure 1 : Schéma de Synthèse 1 de composés selon l'invention. A,Y,G, J et les groupes R1-R5 ont les mêmes définitions que précédemment.Caption of Figures Figure 1: Synthesis diagram 1 of compounds according to the invention. A, Y, G, J and the R1-R5 groups have the same definitions as above.
Figure 2 : Schéma de Synthèse 2 de composés selon l'invention. A, Y, G, J et les groupes RI et R3-R5 ont les mêmes définitions que précédemment. Figure 3 : Schéma de Synthèse 3 de composés selon l'invention. A,Y,G, J et les groupes R1-R2 et R4-R13 ont les mêmes définitions que précédemment.Figure 2: Synthesis scheme 2 of compounds according to the invention. A, Y, G, J and the groups RI and R3-R5 have the same definitions as above. Figure 3: Synthesis scheme 3 of compounds according to the invention. A, Y, G, J and the groups R1-R2 and R4-R13 have the same definitions as above.
Figure 4 : Schéma de Synthèse 4 de composés selon l'invention. A, Y, G, J et les groupes R1-R2, R4-R6 et R8-R13 ont les mêmes définitions que précédemment. Figure 5 : Schéma de Synthèse 5 de composés selon l'invention. A,Y,G, J et les groupes R1-R2, R4-R5 et R7-R13 ont les mêmes définitions que précédemment.Figure 4: Synthesis scheme 4 of compounds according to the invention. A, Y, G, J and the groups R1-R2, R4-R6 and R8-R13 have the same definitions as above. Figure 5: Synthesis scheme 5 of compounds according to the invention. A, Y, G, J and the groups R1-R2, R4-R5 and R7-R13 have the same definitions as above.
Matériel et méthodes :Material and methods :
Les composés de l'invention ont été obtenus en utilisant des méthodes de synthèse organique et de synthèse parallèle classiques.The compounds of the invention were obtained using conventional organic synthesis and parallel synthesis methods.
Les spectres RMN H et C ont été enregistrés sur un spectromètre AC-200-Brϋcker. Les déplacements chimiques sont donnés en ppm avec le tetraméthylsilane pris comme référence interne. Les symboles, m, s, si, d, t, q, quint., dd, td, etc signifient respectivement multiplet, singulet, singulet large, doublet, triplet, quadruplet, quintuplet, doublé dédoublé, triplet dédoublé. Les spectres infrarouge ont été enregistrés sur un appareil Perkin Elmer 841 (pastilles de KBr) ou sur un appareil Brucker vector 22 à transformée de Fourrer. Les points de fusion ont été mesurés sur un banc Kofler. Les purifications par HPLC préparative ont été réalisées sur un appareil VWR-Knauer et une colonne Uptisphere UP5ODS&10US Cl 8 (100x28 mm) à la longueur d'onde de 220 nm (débit : gradient de 15 à 50 ml min en 4 min, puis constant à 50 ml/min ; solvant A = eau/acétonitrile/acide trifluoroacétique 95/5/0.05 et solvant B = acétonitrile / eau / acide trifluoroacétique 80/20/0.05). Les chromatogrammes de HPLC ont été réalisés sur un appareil Shimadzu SCL10A et une colonne Uptisphere UP50DB-5m C18 (4.6 x50 mm) avec un débit de 4 ml/mn et à la longueur d'onde de 220 nm.The H and C NMR spectra were recorded on an AC-200-Brϋcker spectrometer. The chemical shifts are given in ppm with tetramethylsilane taken as internal reference. The symbols, m, s, si, d, t, q, quint., Dd, td, etc mean respectively multiplet, singlet, broad singlet, doublet, triplet, quadruplet, quintuplet, doubled doubled, doubled triplet. The infrared spectra were recorded on a Perkin Elmer 841 device (KBr pellets) or on a Brucker vector 22 device with Fourrer transform. The melting points were measured on a Kofler bench. The purifications by preparative HPLC were carried out on a VWR-Knauer apparatus and a Uptisphere UP5ODS & 10US Cl 8 column (100 × 28 mm) at the wavelength of 220 nm (flow rate: gradient from 15 to 50 ml min in 4 min, then constant at 50 ml / min; solvent A = water / acetonitrile / trifluoroacetic acid 95/5 / 0.05 and solvent B = acetonitrile / water / trifluoroacetic acid 80/20 / 0.05). The HPLC chromatograms were carried out on a Shimadzu SCL10A device and a Uptisphere UP50DB-5m C18 column (4.6 x50 mm) with a flow rate of 4 ml / min and at the wavelength of 220 nm.
Les analyses de HPLC/MS ont été réalisées sur un spectromètre Plateform LC Micromass avec une source d'ionisation APCI (colonne TSK gel super ODS 4.6 mm ID x 5 cm, débit 2.75 ml/min, gradient : 100% de A à 100% de B en 3 min., plateau de 100% de B 1 min, solvant A = eau 0.05% acide trifluoroacétique et solvant B ≈ acétonitrile / eau / acide trifluoroacétique 80/20/0.05).The HPLC / MS analyzes were carried out on a Plateform LC Micromass spectrometer with an APCI ionization source (column TSK gel super ODS 4.6 mm ID x 5 cm, flow rate 2.75 ml / min, gradient: 100% from A to 100% of B in 3 min., 100% plateau of B 1 min, solvent A = water 0.05% trifluoroacetic acid and solvent B ≈ acetonitrile / water / trifluoroacetic acid 80/20 / 0.05).
Sauf mention contraire, les produits utilisés pour la préparation des composés de formule (I) sont commerciaux et on été utilisés sans purification préliminaire. Les protocoles expérimentaux ci-dessous sont nullement limitatifs et sont donnés à titre d'illustration Exemple 1 : l-(3-nitrophényI)pipérazineUnless otherwise stated, the products used for the preparation of the compounds of formula (I) are commercial and have been used without preliminary purification. The experimental protocols below are in no way limiting and are given by way of illustration Example 1: 1- (3-nitrophenyI) piperazine
Dans 50 ml de DMSO sont dissous 28,4 g (0,33 mol, 5,5 éq) de pipérazine. On ajoute alors 6,4 ml (60 mmol) de 3-fluoronitrobenzène. Le mélange est chauffé à 100°C pendant 60h. Après refroidissement, on verse le milieu réactionnel sur 530 ml d'eau. Le précipité formé est filtré et le filtrat est extrait par Et2O. Après séchage (MgSO ) et concentration sous vide le brut est purifié par chromatographie sur colonne (éluant CH2Cl2/MeOH 9:1) pour donner 8,04 g du composé attendu sous forme d'une huile orange qui cristallise à température ambiante (rdt 65%).28.4 g (0.33 mol, 5.5 eq) of piperazine are dissolved in 50 ml of DMSO. 6.4 ml (60 mmol) of 3-fluoronitrobenzene are then added. The mixture is heated at 100 ° C for 60h. After cooling, the reaction medium is poured onto 530 ml of water. The precipitate formed is filtered and the filtrate is extracted with Et 2 O. After drying (MgSO) and concentration under vacuum, the crude product is purified by column chromatography (eluent CH 2 Cl 2 / MeOH 9: 1) to give 8.04 g of the expected compound in the form of an orange oil which crystallizes at room temperature (yield 65%).
5' RMN *H (CDC13) δ (ppm) : 7,70 (t, Jm = 2 Hz, IH, CH( )); 7,64 (ddd, J0 = 8 Hz, Jm ≈ 2 Hz, Jm = 0,6 Hz, IH, CH(4')); 7,36 (t, J0 = 8 Hz, IH, CH(5>)), 7,17 (ddd, J0 = 8 Hz, Jm = 2 Hz, Jm = 0,6 Hz, IH, CH(6>)); 3,30 - 3,18 (m, 4H, CH2(3), CH2(5)); 3,09 - 2,97 (m, 4H, CH (2), CH2(6)).5 'NMR * H (CDC1 3 ) δ (ppm): 7.70 (t, J m = 2 Hz, 1H, CH () ); 7.64 (ddd, J 0 = 8 Hz, J m ≈ 2 Hz, J m = 0.6 Hz, 1H, CH (4 ')); 7.36 (t, J 0 = 8 Hz, IH, CH (5 > ) ), 7.17 (ddd, J 0 = 8 Hz, J m = 2 Hz, J m = 0.6 Hz, IH, CH (6 >)); 3.30 - 3.18 (m, 4H, CH 2 (3) , CH 2 (5) ); 3.09 - 2.97 (m, 4H, CH (2) , CH 2 (6) ).
Exemple 2 : 2-bromoéthyleN-(2-éthoxyphényl)carbamateExample 2: 2-bromoethylN- (2-ethoxyphenyl) carbamate
Dans un bicol de 50 ml placé sous atmosphère d'argon on solubilise 1,5 g (7 mmol, 1,4 éq) de (Boc) O dans 5 ml de CH2C12 anhydre. On ajoute alors 61 mg (0,5 mol, 10% éq) de DMAP dissous dans 5 ml de CH2C12 anhydre puis 0,65 ml (5 mmol) de 2-éthoxyaniline goutte à goutte. On laisse agiter 20 mn à température ambiante avant d'additionner 0,5 ml (7 mmol, 1,4 éq) de 2-bromoéthanol dilué dans 5 ml de CH2C12 anhydre. On laisse évoluer 30 mn à température ambiante puis environ 15h au reflux du dichlorométhane. Le milieu est ensuite refroidi puis concentré sous vide. Le résidu obtenu est purifié par chromatographie sur colonne de gel de silice (éluant CH2Ci2) pour donner 1,43 g (99%) d'une huile incolore.1.5 g (7 mmol, 1.4 eq) of (Boc) O are dissolved in 5 ml of anhydrous CH 2 C1 2 in a 50 ml bicol placed under an argon atmosphere. 61 mg (0.5 mol, 10% eq) of DMAP dissolved in 5 ml of anhydrous CH 2 C1 2 are then added, then 0.65 ml (5 mmol) of 2-ethoxyaniline dropwise. The mixture is left stirring for 20 min at room temperature before adding 0.5 ml (7 mmol, 1.4 eq) of 2-bromoethanol diluted in 5 ml of anhydrous CH 2 C1 2 . The mixture is left to evolve for 30 minutes at ambient temperature and then approximately 15 hours at reflux of the dichloromethane. The medium is then cooled and then concentrated in vacuo. The residue obtained is purified by chromatography on a column of silica gel (eluent CH 2 Ci2) to give 1.43 g (99%) of a colorless oil.
RMN 1H (CDCI3) δ (ppm) : 8,06 (dd, J = 8 Hz, J = 2 Hz, IH, CH(6)); 7,31 (si, IH, NH); 1 H NMR (CDCI 3 ) δ (ppm): 8.06 (dd, J = 8 Hz, J = 2 Hz, 1 H, CH (6) ); 7.31 (si, 1H, NH);
7,04 - 6,80 (m, 3H, CH(3), CH{4), CH(5)); 4,49 (t, J = 7 Hz, 2H, CH2O); 4,10 (q, J = 7 Hz,7.04 - 6.80 (m, 3H, CH (3) , CH (4) , CH (5) ); 4.49 (t, J = 7 Hz, 2H, CH 2 O); 4.10 (q, J = 7 Hz,
2H, OCH2); 3,59 (t, J = 7 Hz, 2H, CH2Br); 1,49 (t, J = 7 Hz, 3H, CH3).2H, OCH 2 ); 3.59 (t, J = 7 Hz, 2H, CH 2 Br); 1.49 (t, J = 7 Hz, 3H, CH 3 ).
RMN 13C (CDCI3) δ (ppm) : 152,7 (CO); 146,9 (C2); 127,3 (Ci); 123,0 (C4); 120,9 (C6); 13 C NMR (CDCI 3 ) δ (ppm): 152.7 (CO); 146.9 (C 2 ); 127.3 (Ci); 123.0 (C 4 ); 120.9 (C 6 );
118,3 (C5); 110,9 (C3); 64,4 (ÇH2O); 64,2 (CH2O); 29,1 (ÇH2Br); 14,8 (ÇH3).118.3 (C 5 ); 110.9 (C 3 ); 64.4 (H 2 O); 64.2 (CH 2 O); 29.1 (CH 2 Br); 14.8 (CH 3 ).
CPG (tR, mn, 90°C, 1 mn, 10°C/mn, 150°C, 20°C/cm) : 9,91.CPG (tR, min, 90 ° C, 1 min, 10 ° C / min, 150 ° C, 20 ° C / cm): 9.91.
Exemple 3: 2-[4-(3-nitrophényl)pipérazino]éthyl N-(2-éthoxyphényl)carbamateExample 3: 2- [4- (3-nitrophenyl) piperazino] ethyl N- (2-ethoxyphenyl) carbamate
La réaction entre 0,47 g (1,62 mmol) du composé de l'exemple 2, 282 μl (1,62 mmol, 1 éq) de DIEA et 0,42 g (1,46 mmol, 0,9 éq) du composé de l'exemple 1 et quelques cristaux deThe reaction between 0.47 g (1.62 mmol) of the compound of Example 2, 282 μl (1.62 mmol, 1 eq) of DIEA and 0.42 g (1.46 mmol, 0.9 eq) of the compound of Example 1 and a few crystals of
Kl dans 5 ml de DMF conduit, après traitement, à une huile que l'on purifie par chromatographie sur colonne (éluant AcOEt/éther de pétrole 8:2) pour donner un mélange purifié à nouveau par chromatographie sur colonne (éluant CH2C12 puis CH2Cl2MeOHKl in 5 ml of DMF leads, after treatment, to an oil which is purified by column chromatography (eluent AcOEt / petroleum ether 8: 2) to give a mixture purified again by column chromatography (eluent CH 2 C1 2 then CH 2 Cl 2 MeOH
9:1). Le produit est une huile orange qui est conservée sous sa forme chlorhydrate. On obtient 384 mg d'un solide orangé (rdt 58%).9: 1). The product is an orange oil which is stored in its hydrochloride form. 384 mg of an orange solid is obtained (yield 58%).
RMN XH base (CDCI3) δ (ppm) : 8,10 (dd, J0 = 6 Hz, Jm = 3 Hz, IH, CH(6)); 7,70 (t, Jm ≈ 2 Hz, IH, CH(2'.)); 7,64 (ddd, J0 = 8,2 Hz, Jm = 2 Hz, Jm = 0,8 Hz, IH, CH(4>')); 7,36 (t, J0 = 8,2 Hz, IH, CH(5»)), 7.30 (si, IH, NH); 7,17 (ddd, J0 = 8,2 Hz, Jm = 2 Hz, Jm = 0,8 Hz, IH, CH(6»)); 7,03 - 6,80 (m, 3H, CH(3), CH(4), CH(5)); 4,35 (t, J = 6 Hz, 2H, OCH2); 4,09 (q, J = 7 Hz, 2H, OCH2); 3,56 - 3,26 (m, 4H, CH2(3' , CH2(5>)); 2,77 (t, J = 6 Hz, 2H, CH2N); 2,75 - 2,64 (m, 4H, CH2(2.), CH2(6>)); 1,45 (t, J = 7 Hz, 2H, CH3).H NMR X base (CDCl 3) δ (ppm): 8.10 (dd, J = 6 0 Hz, J m = 3 Hz, IH, CH (6)); 7.70 (t, J m ≈ 2 Hz, 1H, CH (2 '.)); 7.64 (ddd, J 0 = 8.2 Hz, J m = 2 Hz, J m = 0.8 Hz, 1H, CH (4 >')); 7.36 (t, J 0 = 8.2 Hz, 1H, CH (5 ")), 7.30 (si, 1H, NH); 7.17 (ddd, J 0 = 8.2 Hz, J m = 2 Hz, J m = 0.8 Hz, 1H, CH (6 ")); 7.03 - 6.80 (m, 3H, CH (3) , CH (4) , CH (5) ); 4.35 (t, J = 6 Hz, 2H, OCH 2 ); 4.09 (q, J = 7 Hz, 2H, OCH 2 ); 3.56 - 3.26 (m, 4H, CH 2 (3 ' , CH 2 (5 >)); 2.77 (t, J = 6 Hz, 2H, CH 2 N); 2.75 - 2, 64 (m, 4H, CH 2 (2. ), CH 2 (6 >)); 1.45 (t, J = 7 Hz, 2H, CH 3 ).
RMN 13C base (CDC13) δ (ppm) : 153,2 (CO2); 151,7 (Ci-); 149,2 (C ); 146,8 (C2); 129,5 (C5"); 127,5 (C ; 122,7 (2C, C4, C4»); 120,9 (C6); 118,2 (C5); 113,5 (C6.>); 110,8 (C3); 109,5 (C2-); 64,0 (ÇH2O); 61,9 (ÇH2O); 56,9 (ÇH2N); 52,9 (2C, C2>, Ce); 48,2 (2C, C3-, C5 ; 14,8 (ÇH3). Analyse élémentaire : Calc.(3/4H20) Exp. 13 C NMR base (CDC1 3 ) δ (ppm): 153.2 (CO 2 ); 151.7 (Ci-); 149.2 (C); 146.8 (C 2 ); 129.5 (C 5 " ); 127.5 (C; 122.7 (2C, C 4 , C 4 "); 120.9 (C 6 ); 118.2 (C 5 ); 113.5 (C 6. >); 110.8 (C 3 ); 109.5 (C 2 -); 64.0 (ÇH 2 O); 61.9 (ÇH 2 O); 56.9 (ÇH 2 N); 52 , 9 (2C, C 2 >, Ce); 48.2 (2C, C 3 -, C 5 ; 14.8 (ÇH 3 ). Elemental analysis: Calc. (3 / 4H 2 0) Exp.
% c 54,30 54,31% c 54.30 54.31
% H 6,18 6,30% H 6.18 6.30
% N 12,06 11,81 Exemple 4 : 2- 4-(3-ammophényl)ρipérazïno]éthyI N-(2-éthoxyphényl)carbamate% N 12.06 11.81 Example 4: 2- 4- (3-ammophenyl) ρipérazïno] éthyI N- (2-ethoxyphenyl) carbamate
On dissout dans 40 ml de méthanol 1,08 g (2,60 mmol) du composé de l'exemple 3. On ajoute alors une pointe de spatule de Nickel de Raney, place sous atmosphère d'hydrogène et laisse agiter à température ambiante. On suit l'évolution de la réaction par CCM (éluant AcOEt/éther de pétrole 8:2). Au bout de 30 mn on observe une décoloration du milieu réactionnel. Le mélange est alors filtré sur célite et le filtrat concentré sous pression réduite. Le brut est repris dans de l'éther, extrait avec une solution aqueuse d'HCl 1M. La phase aqueuse extraite est ensuite ajustée à pH basique par ajout de K2CO3 puis extraite par AcOEt. Après séchage (Na2SO4) et évaporation de la phase organique on obtient 0,8 g d'un1.08 g (2.60 mmol) of the compound of Example 3 are dissolved in 40 ml of methanol. A tip of a spatula of Raney Nickel is then added, placed under a hydrogen atmosphere and left to stir at ambient temperature. The course of the reaction is monitored by TLC (eluent AcOEt / petroleum ether 8: 2). After 30 min a discoloration of the reaction medium is observed. The mixture is then filtered through celite and the filtrate concentrated under reduced pressure. The crude is taken up in ether, extracted with a 1M aqueous HCl solution. The aqueous phase extracted is then adjusted to basic pH by adding K 2 CO 3 and then extracted with AcOEt. After drying (Na 2 SO 4 ) and evaporation of the organic phase, 0.8 g of a
RMN *H (CDC13) δ (ppm) : 8,09 (dd, J0 = 6 Hz, Jm ≈ 3 Hz, IH, CH(6)) 7,31 (si, IH, NH); 7,10 - 6,79 (m, 4H, CH(3), CH(4), CH(5), ArH); 6,39 - 6,17 (m, 3H, ArH); 4,35 (t, J ≈ 6 Hz, 2H, OCH2); 4,09 (q, J = 7 Hz, 2H, OCH2); 3,59 (si, 2H, NH2); 3,25 - 3,14 (m, 4H, CH2(3'), CH2(5')); 2,76 (t, J = 6 Hz, 2H, CH2N); 2,70 - 2,60 (m, 4H, Α2(T), CH2{6>)); 1,45 (t, J = 7 Hz, 2H, CH3).NMR * H (CDC1 3 ) δ (ppm): 8.09 (dd, J 0 = 6 Hz, J m ≈ 3 Hz, IH, CH (6) ) 7.31 (si, IH, NH); 7.10 - 6.79 (m, 4H, CH (3) , CH (4) , CH (5) , ArH); 6.39 - 6.17 (m, 3H, ArH); 4.35 (t, J ≈ 6 Hz, 2H, OCH 2 ); 4.09 (q, J = 7 Hz, 2H, OCH 2 ); 3.59 (si, 2H, NH 2 ); 3.25 - 3.14 (m, 4H, CH 2 (3 ' ) , CH 2 (5 ')); 2.76 (t, J = 6 Hz, 2H, CH 2 N); 2.70 - 2.60 (m, 4H, Α 2 (T), CH 2 {6 >)); 1.45 (t, J = 7 Hz, 2H, CH 3 ).
RMN 13C (CDCI3) δ (ppm) : 153,4 (CO2); 152,5 (C ); 147,3 (C3«); 146,9 (C2); 129,9 (C5»); 127,7 (Ci); 122,7 (C4); 120,9 (C6); 118,3 (C5); 110,9 (C3); 107,0 (C4..); 106,9 (C6-); 102,9 (C2-); 64,0 (ÇH2O); 62,0 (Ç_H2O); 57,0 (ÇH2N); 53,4 (2C, Cr, C6>); 48,8 (2C, C3>, C5 ; 14,8 (CH3). Analyse élémentaire : Calc.(l/4H20) Exp. 13 C NMR (CDCI3) δ (ppm): 153.4 (CO 2 ); 152.5 (C); 147.3 (C 3 "); 146.9 (C 2 ); 129.9 (C 5 "); 127.7 (Ci); 122.7 (C 4 ); 120.9 (C 6 ); 118.3 (C 5 ); 110.9 (C 3 ); 107.0 (C 4 ..); 106.9 (C 6 -); 102.9 (C 2 -); 64.0 (H 2 O); 62.0 (C_H 2 O); 57.0 (CH 2 N); 53.4 (2C, C r , C 6 >); 48.8 (2C, C 3 >, C 5 ; 14.8 (CH 3 ). Elemental analysis: Calc. (L / 4H 2 0) Exp.
% C 64,84 64,93% C 64.84 64.93
% H 7,38 7,37% H 7.38 7.37
%N 14,40 14,23% N 14.40 14.23
Exemple 5 : 2-amino-6-chloropyrazineExample 5: 2-amino-6-chloropyrazine
Dans un réacteur autoclave sont ajoutés successivement 120 ml d'eau, 20,8 ml (0,31 mol, 4,6 éq) d'une solution aqueuse d'ammoniaque à 28% et 10g (0,067 mol, 1 éq) de 2,6- dichloropyrazine. L'autoclave est scellé et le mélange est porté à 140°C pendant 3h puis laissé à température ambiante pendant 60h. Le mélange est filtré, le précipité est lavé à l'eau, puis séché sous vide. 5,4g (63%) d'une fine poudre sont obtenus.120 ml of water, 20.8 ml (0.31 mol, 4.6 eq) of a 28% aqueous ammonia solution and 10 g (0.067 mol, 1 eq) of 2 are successively added to an autoclave reactor. , 6- dichloropyrazine. The autoclave is sealed and the mixture is brought to 140 ° C. for 3 hours then left at room temperature for 60h. The mixture is filtered, the precipitate is washed with water, then dried under vacuum. 5.4 g (63%) of a fine powder are obtained.
F = 151-153°CM = 151-153 ° C
RMN 1H (CDC13) δ (ppm) : 7,88 (s, IH, CH); 7,84 (s, IH, CH); 4,68 (m, 2H,NH2). HPLC : t = 1,07 min MS : 130 (MH+) pureté HPLC : 100%1H NMR (CDC1 3 ) δ (ppm): 7.88 (s, 1H, CH); 7.84 (s, 1H, CH); 4.68 (m, 2H, NH 2 ). HPLC: t = 1.07 min MS: 130 (MH + ) HPLC purity: 100%
Exemple 6 : l-(6-Chloro-pyrazin-2-yl)-3-éthyl-uréeExample 6: 1- (6-Chloro-pyrazin-2-yl) -3-ethyl-urea
A 0°C, sous atmosphère d'azote, 5,5g (42,5 mmol, 1 éq) du composé de l'exemple 5 sont placés dans 40 ml de tétrahydrofurane, puis 1,79g (46,7 mmol, 1,1 éq) d'une suspension d'hydrure de sodium à 60% dans une huile minérale sont ajoutés par portions. Le mélange est agité et la température est portée à 30°C, jusqu'à l'arrêt de l'évolution d'hydrogène.At 0 ° C., under a nitrogen atmosphere, 5.5 g (42.5 mmol, 1 eq) of the compound of Example 5 are placed in 40 ml of tetrahydrofuran, then 1.79 g (46.7 mmol, 1, 1 eq) of a suspension of sodium hydride at 60% in a mineral oil are added in portions. The mixture is stirred and the temperature is brought to 30 ° C., until the evolution of hydrogen is stopped.
Après retour à température ambiante, une solution de 5,1 ml (63,8 mmol, 1,5 éq) d'isocyanate d' éthyle dans 10 ml de tétrahydrofurane est ajoutée goutte à goutte. Le mélange est agité 16h à température ambiante, puis évaporé sous vide. Le résidu est repris dans un mélange eau / acétate d'éthyle, trituré lh et filtré. Le précipité est lavé à l'acétate d'éthyle. 7,9 g (93%) d'un solide brun sont obtenus.After returning to ambient temperature, a solution of 5.1 ml (63.8 mmol, 1.5 eq) of ethyl isocyanate in 10 ml of tetrahydrofuran is added dropwise. The mixture is stirred for 16 h at room temperature, then evaporated under vacuum. The residue is taken up in a water / ethyl acetate mixture, triturated for 1 h and filtered. The precipitate is washed with ethyl acetate. 7.9 g (93%) of a brown solid are obtained.
F = 186-188°CF = 186-188 ° C
RMN *H (CDCI3) δ (ppm) : 8,23 (s, IH, CH); 8,14 (s, IH, CH); 3,44 (q, J = 7 Hz, 2H, NCH2); 1,26 (t, J = 7 Hz, 3H, CH3). HPLC : t= 1,43 min MS : 201 (MH+) pureté HPLC : 100%* H NMR (CDCI 3 ) δ (ppm): 8.23 (s, 1H, CH); 8.14 (s, 1H, CH); 3.44 (q, J = 7 Hz, 2H, NCH 2 ); 1.26 (t, J = 7 Hz, 3H, CH 3 ). HPLC: t = 1.43 min MS: 201 (MH + ) HPLC purity: 100%
Exemple 7 : l-Εtb.yl-3-[4-(2-hydroxy-éthyl)-3,4,5,6-tétrahydro-2H-[l,2']bipyrazinyl- 6'-yl]-urée A une suspension de lg (5 mmol, 1 éq) du composé de l'exemple 6 dans 25 ml de n- butanol, sont ajoutés 624 μl (5 mmol, 1 éq) de N-(2-hydroxyéthyI)pipérazine et 422 mg (4 mmol, 0,8 éq) de carbonate de sodium. Le mélange est porté au reflux pendant 36h, puis filtré sur fritte. Le filtrat est concentré sous vide. Le résidu est chromatographie sur colonne de silice (éluant : CH2C12 9 / MeOH 1) et sont obtenus 0,32 g (22%) d'une huile qui cristallise à l'air.Example 7: l-Εtb.yl-3- [4- (2-hydroxy-ethyl) -3,4,5,6-tetrahydro-2H- [1,2 '] bipyrazinyl- 6'-yl] -urea To a suspension of lg (5 mmol, 1 eq) of the compound of Example 6 in 25 ml of n-butanol, are added 624 μl (5 mmol, 1 eq) of N- (2-hydroxyethyl) piperazine and 422 mg (4 mmol, 0.8 eq) of sodium carbonate. The mixture is brought to reflux for 36 hours, then filtered through a frit. The filtrate is concentrated in vacuo. The residue is chromatographed on a silica column (eluent: CH 2 C1 2 9 / MeOH 1) and 0.32 g (22%) of an oil is obtained which crystallizes in air.
RMN 1H (CDC13) δ (ppm) : 8,82 (si, IH, NH), 8,63 (si, IH, NH); 7,67 (s, IH, CH); 7,59 (s, IH, CH); 3,68 (t, J = 5 Hz, 2H, OCH2); 3,45-3,65 (m, 4H, CH2(3 CH2(5 ); 3,40 (q, J = 7 Hz, 2H, NCH2CH3); 2,55-2,70 (m, 6H, CH2CH N, CH2(2>), CH2(6')); 2,30 (m, IH, OH); 1,21 (t, J = 7 Hz, 3H, CH3). HPLC : t = 0,95 min MS : 295 (MH4) 1H NMR (CDC1 3 ) δ (ppm): 8.82 (si, 1H, NH), 8.63 (si, 1H, NH); 7.67 (s, 1H, CH); 7.59 (s, 1H, CH); 3.68 (t, J = 5 Hz, 2H, OCH 2 ); 3.45-3.65 (m, 4H, CH 2 ( 3 CH 2 ( 5 ); 3.40 (q, J = 7 Hz, 2H, NCH2CH 3 ); 2.55-2.70 (m, 6H , CH 2 CH N, CH 2 (2 > ) , CH 2 (6 ' )); 2.30 (m, 1H, OH); 1.21 (t, J = 7 Hz, 3H, CH 3 ). HPLC : t = 0.95 min MS: 295 (MH 4 )
Exemple 8 : (2-Ethoxy-phényl)-carbamic acid 2-[6,-(3-éthyl-uréido)-2,3,5,6- tétrahydro-[l,2']bipyrazinyl-4-yI]-éthyI esterExample 8: (2-Ethoxy-phenyl) -carbamic acid 2- [6 , - (3-ethyl-ureido) -2,3,5,6- tetrahydro- [1,2 '] bipyrazinyl-4-yI] - ethyI ester
A une solution de 310 mg (1,05 mmol, 1 éq) du composé de l'exemple 7 dans 5 ml de tétrahydrofurane, sont ajoutés 318 μl (2,1 mmol, 2 éq) d'isocyanate de 2-éthoxyphényle. Le mélange est porté au reflux pendant 17h, puis concentré sous vide. Le résidu est chromatographie sur colonne de silice (éluant : CH2C12 95 / MeOH 5 + 0,5% NH4OH) et 0,31 g (65%) d'un solide blanc sont obtenus,To a solution of 310 mg (1.05 mmol, 1 eq) of the compound of Example 7 in 5 ml of tetrahydrofuran, are added 318 μl (2.1 mmol, 2 eq) of 2-ethoxyphenyl isocyanate. The mixture is brought to reflux for 17 h, then concentrated under vacuum. The residue is chromatographed on a silica column (eluent: CH 2 C1 2 95 / MeOH 5 + 0.5% NH 4 OH) and 0.31 g (65%) of a white solid are obtained,
RMN JH (CDCfa) δ (ppm) : 8,65 (t, J = 5 Hz, IH, NHCH2); 8,04 (d, J = 6 Hz, IH, CH(6)); 7,65 (s, IH, CH pyr); 7,62 (s, IH, CH pyr); 7,32 (si, IH, NHCOO); 7,00-6,75 (m, 3H, CH(3), CH(4), CH(5); 4,32 (t, J = 6 Hz, 2H, COOCH2); 4,05 (q, J = 7 Hz, 2H, OCH^CHs); 3,40-3,55 (m, 4H, CH2(3 CH2(S')); 3,38 (q, J ≈ 6 Hz, 2H, NCH2CH3); 2,73 (t, J = 6 Hz, 2H, CTbCHbN); 2,60-2,70 (m, 4H, CH2(2>), CH2(6-)); 1,41 (t, J = 7 Hz, 3H, OCTbCHa); 1,19 (t, J = 7 Hz, 3H, NCH2CH3). HPLC : t = 1,40 min MS : 458 (MH+) pureté HPLC : 100% J H NMR (DCCAF) δ (ppm): 8.65 (t, J = 5 Hz, IH, NHCH 2); 8.04 (d, J = 6 Hz, 1H, CH (6) ); 7.65 (s, 1H, CH pyr); 7.62 (s, 1H, CH pyr); 7.32 (si, 1H, NHCOO); 7.00-6.75 (m, 3H, CH (3) , CH (4) , CH (5 ); 4.32 (t, J = 6 Hz, 2H, COOCH 2 ); 4.05 (q, J = 7 Hz, 2H, OCH ^ CHs); 3.40-3.55 (m, 4H, CH 2 (3 CH 2 (S ')); 3.38 (q, J ≈ 6 Hz, 2H, NCH2CH 3 ); 2.73 (t, J = 6 Hz, 2H, CTbCHbN); 2.60-2.70 (m, 4H, CH 2 (2 >), CH 2 (6 - ) ); 1.41 (t, J = 7 Hz, 3H, OCTbCHa); 1.19 (t, J = 7 Hz, 3H, NCH 2 CH3). HPLC: t = 1.40 min MS: 458 (MH + ) HPLC purity: 100%
Exemples 9 à 46 : Amides dérivés de l'exemple 4Examples 9 to 46: Amides Derived from Example 4
A une suspension de PS-carbodiimide (Argonaut, 0.96 mmol/g, 74 mg, 0.071 mmol) dans 0.33 ml d'une solution d'hydroxyazabenzotriazole (153 mM DCM {25% DMF}, 0.05 mmol), sont ajoutés 0.5 ml d'une solution du composé de l'exemple 4 (60 mM DCM {20% DMF}, 0.03 mmol) et 0.5 ml des solutions d'acides carboxyliques (66 mM DCM {20% DMF}, 0.033 mmol). Après 24 h à température ambiante, les mélanges réactionnels sont traités avec la résine PS-trisamine (Argonaut, 3.65 mmol/g, 65 mg, 0.24 mmol) durant une nuit. Les composés sont obtenus après concentration à sec des solutions filtrées. Le composé de l'exemple 26 a été également purifié sur phase inverse (HPLC, gradiant de CH3CN/H2O/TFA: 5/95/0.05 à CH3CN/H2O/TFA : 80/20/0.05). Pour les acides carboxyliques N-tButyloxycarbonyle (NHBoc) protégés (Exemples 42 à 46), les composés sont obtenus après hydrolyse par une solution DCM/TFA (1:1) (1 ml) pendant 2h à température ambiante et purifiés sur résine échangeuse de cations (SCX). To a suspension of PS-carbodiimide (Argonaut, 0.96 mmol / g, 74 mg, 0.071 mmol) in 0.33 ml of a solution of hydroxyazabenzotriazole (153 mM DCM {25% DMF}, 0.05 mmol), are added 0.5 ml d a solution of the compound of Example 4 (60 mM DCM {20% DMF}, 0.03 mmol) and 0.5 ml of the solutions of carboxylic acids (66 mM DCM {20% DMF}, 0.033 mmol). After 24 h at room temperature, the reaction mixtures are treated with the PS-trisamine resin (Argonaut, 3.65 mmol / g, 65 mg, 0.24 mmol) overnight. The compounds are obtained after dry concentration of the filtered solutions. The compound of Example 26 was also purified on reverse phase (HPLC, gradient from CH 3 CN / H 2 O / TFA: 5/95 / 0.05 to CH 3 CN / H 2 O / TFA: 80/20 / 0.05 ). For protected N-tButyloxycarbonyl (NHBoc) carboxylic acids (Examples 42 to 46), the compounds are obtained after hydrolysis with a DCM / TFA solution (1: 1) (1 ml) for 2 h at room temperature and purified on exchange resin. cations (SCX).
Exemples 47 à 67 : Urées dérivées de l'exemple 4 Examples 47 to 67: Ureas derived from Example 4
Un mélange de l'exemple 4 (0.45g, 1.17 mmol) et de TEA (489 μl, 3.51 mmol) dans 3 ml de DCM, est ajouté goutte à goutte à 0°C, à une solution de triphosgène (0128 g, 0.43 mmol) dans 3.3 ml de DCM. On laisse le mélange remonter à température ambiante pendant lh; 0.2 ml de ce mélange sont alors additionnés aux solutions d'aminé (60 M, 0.06 mmol). Après une nuit à température ambiante, les mélanges reactionnels sont traités par 0.125 g de PS-Isocyanate (Argonaut, 1.44 mmol/g, 0.12 mmol), durant une nuit avant d'être purifiés sur résine échangeuse de cations (SCX).A mixture of Example 4 (0.45g, 1.17 mmol) and TEA (489 μl, 3.51 mmol) in 3 ml of DCM is added dropwise at 0 ° C to a solution of triphosgene (0128 g, 0.43 mmol) in 3.3 ml of DCM. The mixture is allowed to return to room temperature for 1 hour; 0.2 ml of this mixture is then added to the amine solutions (60 M, 0.06 mmol). After one night at room temperature, the reaction mixtures are treated with 0.125 g of PS-Isocyanate (Argonaut, 1.44 mmol / g, 0.12 mmol), overnight before being purified on cation exchange resin (SCX).
Certains composés ont été également purifiés sur Silice, éluant A (AcOEt / DCM 80:20) pour les exemples 48, 49, 51 et 53 et éluant B (AcOEt puis AcoEt/ MeOH 1:1) pour les exemples 54 à 61, ou sur phase inverse (HPLC, gradiant de CH3CN/H2O/TFA: 5/95/0.05 à CH3CN/H2O/TFA : 80/20/0.05) pour les exemples 62 à 67. Certain compounds were also purified on silica, eluent A (AcOEt / DCM 80:20) for examples 48, 49, 51 and 53 and eluent B (AcOEt then AcoEt / MeOH 1: 1) for examples 54 to 61, or on reverse phase (HPLC, gradient from CH 3 CN / H 2 O / TFA: 5/95 / 0.05 to CH 3 CN / H 2 O / TFA: 80/20 / 0.05) for Examples 62 to 67.
Exemple 68 : 3-[4-(2-Hydroxyéthyl)-pipérazin-l-yl]-benzonitrileExample 68: 3- [4- (2-Hydroxyethyl) -piperazin-1-yl] -benzonitrile
Dans 140 ml de DMSO sont dissous 104 g (0,80 mol, 5,5 éq) de 2-(pipérazin-l-yl)éthanol.In 140 ml of DMSO are dissolved 104 g (0.80 mol, 5.5 eq) of 2- (piperazin-1-yl) ethanol.
On ajoute alors 15,8 ml (0,146 mol) de 3-fluorobenzonitrile. Le mélange est chauffé à15.8 ml (0.146 mol) of 3-fluorobenzonitrile are then added. The mixture is heated to
100°C pendant 90h. Après refroidissement, on verse le milieu réactionnel dans 1,5 L d'eau, qui est extrait avec 3x200 ml d'acétate d'éthyle. Les phases organiques rassemblées sont réextraites avec 2x100 ml d'une solution aqueuse d'HCl 2N. Les phases aqueuses acides sont rassemblées, alcalinisées avec 100 ml d'une solution de soude 4N, puis par ajout de carbonate de potassium solide jusqu'à atteindre la saturation. Le mélange est extrait avec100 ° C for 90h. After cooling, the reaction medium is poured into 1.5 L of water, which is extracted with 3 × 200 ml of ethyl acetate. The combined organic phases are reextracted with 2x100 ml of an aqueous 2N HCl solution. The acidic aqueous phases are combined, basified with 100 ml of a 4N sodium hydroxide solution, then by addition of solid potassium carbonate until reaching saturation. The mixture is extracted with
3x300 ml d'acétate d'éthyle. Les phases organiques sont rassemblées, séchées sur Na2SO et concentrées sous vide : 18,6 g du composé attendu sont obtenus sous forme d'une huile jaune qui cristallise à température ambiante (rdt : 55%).3x300 ml of ethyl acetate. The organic phases are combined, dried over Na 2 SO and concentrated in vacuo: 18.6 g of the expected compound are obtained in the form of a yellow oil which crystallizes at room temperature (yield: 55%).
RMN *H (CDC13) δ (ppm) : 2,50-2,80 (m, 6H, CH2CH2O, CΗ&N pipérazine); 3,10-3,30 (m, 4H, CH2N pipérazine); 3,67 (t, J=5 Hz, 2H, CH^O); 7,05-7,15 (m, 3H, Ar-H); 7,25- 7,30 (m, IH, Ar-H).NMR * H (CDC1 3 ) δ (ppm): 2.50-2.80 (m, 6H, CH 2 CH 2 O, CΗ & N piperazine); 3.10-3.30 (m, 4H, CH2N piperazine); 3.67 (t, J = 5 Hz, 2H, CH ^ O); 7.05-7.15 (m, 3H, Ar-H); 7.25-7.30 (m, 1H, Ar-H).
Exemple 69 : 3-[4-(2-Hydroxy-éthyl)-pipérazin-l-yl]-benzoate d'éthyleExample 69: Ethyl 3- [4- (2-Hydroxy-ethyl) -piperazin-1-yl] -benzoate
A une solution de 18,6 g (80 mmol) du composé de l'exemple 68 dans 185 ml d'éthanol à 95°, ref oidie à 0°C, sont ajoutés très lentement 78,9 ml (1,45 mol) d'acide sulfurique. Le mélange est porté au reflux pendant 6h, puis laissé 14h à ta., et enfin chauffé au reflux 6h supplémentaires. A 0°C, le mélange est versé lentement dans une solution de 154 g de Na2Cθ3 dans 300 ml d'eau. Des pastilles de soude sont finalement ajoutées pour obtenir un pH = 12. L'éthanol est évaporé sous vide à t.a., puis le milieu est extrait avec 3x200 ml d'acétate d'éthyle. Les phases organiques sont rassemblées, séchées sur Na2SO4 et concentrées sous vide : 15,8 g du composé attendu sont obtenus sous forme d'une huile orange (rdt : 71%).To a solution of 18.6 g (80 mmol) of the compound of Example 68 in 185 ml of 95% ethanol, cooled to 0 ° C, 78.9 ml (1.45 mol) are added very slowly sulfuric acid. The mixture is brought to reflux for 6 hours, then left for 14 hours at room temperature, and finally heated to reflux for an additional 6 hours. At 0 ° C, the mixture is poured slowly into a solution of 154 g of Na2Cθ 3 in 300 ml of water. Soda pellets are finally added to obtain a pH = 12. The ethanol is evaporated under vacuum at ta, then the medium is extracted with 3 × 200 ml of ethyl acetate. The organic phases are combined, dried over Na 2 SO 4 and concentrated in vacuo: 15.8 g of the expected compound are obtained in the form of an orange oil (yield: 71%).
RMN 1H (CDCI3) δ (ppm) : 1,39 (t, J=7 Hz, 3H, -CH3J; 2,55-2,75 (m, 6H, CH2CH2O, CH2 pipérazine); 3,15-3,30 (m, 4H, CH2N pipérazine); 3,67 (t, J=5 Hz, 2H, CH2 ); 4,37 (q, J=7 Hz, 2H, CH2CO); 7,05-7,15 (m, 3H, Ar-H); 7,25-7,30 (m, IH, Ar-H). 1 H NMR (CDCI 3 ) δ (ppm): 1.39 (t, J = 7 Hz, 3H, -CH 3 J; 2.55-2.75 (m, 6H, CH2CH2O, CH 2 piperazine); 3, 15-3.30 (m, 4H, CH2N piperazine); 3.67 (t, J = 5 Hz, 2H, CH2); 4.37 (q, J = 7 Hz, 2H, CH 2 CO); 7, 05-7.15 (m, 3H, Ar-H); 7.25-7.30 (m, 1H, Ar-H).
Exemple 70 : 3-{4-[2-(2-Ethoxy-phénylcarbamoyloxy)-éthyl]-pipérazin-l-yl}-benzoate d'éthyleExample 70: Ethyl 3- {4- [2- (2-Ethoxy-phenylcarbamoyloxy) -ethyl] -piperazin-1-yl} -benzoate
A une solution de 15,7 g (56,5 mmol) du composé de l'exemple 69 dans 150 ml d'acétonitrile sec, sont ajoutés 9,23 ml (62,3 mmol) de 2-éthoxyphénylisocyanate. Le mélange est porté au reflux pendant 14h, puis 0,9 ml (6,1 mmol) de 2- éthoxyphénylisocyanate sont rajoutés et le milieu réactionnel est chauffé au reflux 6h supplémentaires. Après évaporation sous vide, le résidu est repris dans 500 ml d'éther éthylique, et l'insoluble est filtré. Le filtrat est concentré sous vide et le résidu est chromatographie sur silice (Cyclohexane 80 / AcOEt 20 + 3% TEA) pour conduire à 20,5 g du composé attendu sous forme d'une huile incolore (rdt : 82%).To a solution of 15.7 g (56.5 mmol) of the compound of Example 69 in 150 ml of dry acetonitrile, 9.23 ml (62.3 mmol) of 2-ethoxyphenylisocyanate are added. The mixture is brought to reflux for 14 hours, then 0.9 ml (6.1 mmol) of 2-ethoxyphenylisocyanate are added and the reaction medium is heated at reflux for an additional 6 hours. After evaporation under vacuum, the residue is taken up in 500 ml of ethyl ether, and the insoluble material is filtered. The filtrate is concentrated in vacuo and the residue is chromatographed on silica (Cyclohexane 80 / AcOEt 20 + 3% TEA) to yield 20.5 g of the expected compound in the form of a colorless oil (yield: 82%).
RMN *H (CDCI3) δ (ppm) : 1,39 (t, J=7 Hz, 3H, -Cfts); 1,45 (t, J=7 Hz, 3H, -CH3J; 2,70- 2,85 (m, 6H, CH CH2O, CH N pipérazine); 3,20-3,35 (m, 4H, CI JSf pipérazine); 4,09 (q, J=7 Hz, 2H, PhOCHa); 4,30-4,45 (m, 4H, CfibOCON et PI1COOCH2); 6,80-7,15 (m, 4H, Ar-H); 7,25-7,60 (m, 4H, Ar-H + NH); 8,05-8,15 (m, IH, Ar-H). HPLC/MS: tR=l,84 min / 442 (M+H).NMR * H (CDCI 3 ) δ (ppm): 1.39 (t, J = 7 Hz, 3H, -Cfts); 1.45 (t, J = 7 Hz, 3H, -CH 3 J; 2.70-2.85 (m, 6H, CH CH 2 O, CH N piperazine); 3.20-3.35 (m, 4H, CI JSf piperazine); 4.09 (q, J = 7 Hz, 2H, PhOCHa); 4.30-4.45 (m, 4H, CfibOCON and PI1COOCH2); 6.80-7.15 (m, 4H, Ar-H); 7.25-7.60 (m, 4H, Ar-H + NH); 8.05-8.15 (m, 1H, Ar-H). HPLC / MS: t R = 1.84 min / 442 (M + H).
Exemple 71 : 3-{4-[2-(2-Ethoxy-phénylcarbamoyloxy)-éthyl]-pipérazin-l-yI}-benzoate de sodiumEXAMPLE 71 Sodium 3- {4- [2- (2-Ethoxy-phenylcarbamoyloxy) -ethyl] -piperazin-1-yI} -benzoate
A une solution de 5,0 g (11,3 mmol) du composé de l'exemple 70 dans 30 ml d'éthanol, sont ajoutés 11,3 ml (11,3 mmol) de solution de soude IN. Le mélange est chauffé à 40°C, sous agitation, pendant 60h. Après évaporation sous vide, et séchage, 4,5 g du composé attendu sont obtenus sous forme d'une solide blanc (rdt : 92%). To a solution of 5.0 g (11.3 mmol) of the compound of Example 70 in 30 ml of ethanol, are added 11.3 ml (11.3 mmol) of IN sodium hydroxide solution. The mixture is heated to 40 ° C, with stirring, for 60h. After evaporation under vacuum, and drying, 4.5 g of the expected compound are obtained in the form of a white solid (yield: 92%).
RMN 1H (DMDO-d6) δ (ppm) : 1,35 (t, J=7 Hz, 3H, -CHj); 2,50-2,70 (m, 6H, CHbCHaO, CH2N pipérazine); 3,05-3,15 (m, 4H, CH2N pipérazine); 4,05 (q, J=7 Hz, 2H, PhOCHz); 4,22 (t, J=6 Hz, 2H, CH2OCON); 6,80-7,20 (m, 5H, Ar-H); 7,32 (d, J=8 Hz, IH, Ar-H); 7,49 (s, IH, Ar-H); 7,66 (d, J=8 Hz, IH, Ar-H); 8,33 (s, IH, NH). HPLC/MS: tR=l ,74 min / 414 (M+H de l'acide correspondant).1H NMR (DMDO-d6) δ (ppm): 1.35 (t, J = 7 Hz, 3H, -CHj); 2.50-2.70 (m, 6H, CHbCHaO, CH 2 N piperazine); 3.05-3.15 (m, 4H, CH 2 N piperazine); 4.05 (q, J = 7 Hz, 2H, PhOCHz); 4.22 (t, J = 6 Hz, 2H, CH 2 OCON); 6.80-7.20 (m, 5H, Ar-H); 7.32 (d, J = 8 Hz, 1H, Ar-H); 7.49 (s, 1H, Ar-H); 7.66 (d, J = 8 Hz, 1H, Ar-H); 8.33 (s, 1H, NH). HPLC / MS: t R = 1.74 min / 414 (M + H of the corresponding acid).
Exemples 72 à 102 : Amides dérivés de l'exemple 71Examples 72 to 102: Amides Derived from Example 71
A une suspension de PS-carbodiimide (Argonaut, 0.81 mmol/g, 74 mg, 0.060 mmol) dans 0.33 ml d'une solution d'hydroxyazabenzotriazole (153 mM DCM {25% DMF}, 0.05 mmol), sont ajoutés 0.5 ml d'une solution du composé de l'exemple 71 (66 mM DCM {50% DMF}, 0.033 mmol) et 0.5 ml des solutions d'aminés (60 mM DCM {20% DMF}, 0.030 mmol). Après 16 h à température ambiante, les mélanges réactionnels sont traités avec la résine PS-trisamine (Argonaut, 3.65 mmol/g, 65 mg, 0.24 mmol) durant une nuit. Après filtration et rinçage avec 2x0.5ml, concentration sous vide et reprise dans 0.5 ml de DCM, les mélanges réactionnels sont traités la résine PS-isocyanate (Argonaut, 1.44 mmol/g, 63 mg, 0.090 mmol) durant une nuit. Les composés sont obtenus après concentration à sec des solutions filtrées.To a suspension of PS-carbodiimide (Argonaut, 0.81 mmol / g, 74 mg, 0.060 mmol) in 0.33 ml of a solution of hydroxyazabenzotriazole (153 mM DCM {25% DMF}, 0.05 mmol), are added 0.5 ml d a solution of the compound of Example 71 (66 mM DCM {50% DMF}, 0.033 mmol) and 0.5 ml of the amine solutions (60 mM DCM {20% DMF}, 0.030 mmol). After 16 h at room temperature, the reaction mixtures are treated with the PS-trisamine resin (Argonaut, 3.65 mmol / g, 65 mg, 0.24 mmol) overnight. After filtration and rinsing with 2 × 0.5 ml, concentration under vacuum and recovery in 0.5 ml of DCM, the reaction mixtures are treated with the PS-isocyanate resin (Argonaut, 1.44 mmol / g, 63 mg, 0.090 mmol) overnight. The compounds are obtained after dry concentration of the filtered solutions.
Pour l'exemple 72, la N-tButyloxycarbonyle-éthylènediamine a été l'aminé utilisée, le composé obtenu subissant ensuite une hydrolyse par une solution DCM/TFA (1:1) (1 ml) pendant 2h à température ambiante. Il a été purifié sur résine échangeuse de cations (SCX). Les composés des exemples 101 et 102 ont eux aussi été purifiés sur résine échangeuse de cations (SCX). For Example 72, N-t-Butyloxycarbonyl-ethylenediamine was the amine used, the compound obtained then undergoing hydrolysis with a DCM / TFA solution (1: 1) (1 ml) for 2 h at room temperature. It was purified on cation exchange resin (SCX). The compounds of Examples 101 and 102 were also purified on cation exchange resin (SCX).
Exemple 103 : Methyl-(2-piperid -l-yl-ethyl)-amine A 0°C, sous azote, à une solution de 2g (15,6 mmol) de 2-piρeridin-l-yl-ethylamine dans 20 ml de THF fraîchement distillé, sont ajoutés 2,60 ml (18,7 mmol) de triéthylamine puis goutte à goutte 1,79 ml (18,7 mmol) de chloroformiate d'éthyle. Le mélange est agité 16h à température ambiante. Après évaporation à sec, le résidu est repris dans un mélange acétate d'éthyle / solution de Na2CO3 saturée. La phase aqueuse est extraite encore deux fois à l'acétate d'éthyle, puis les phases organiques rassemblées sont séchées sur Na SO4, filtrées et évaporées sous vide. 3,1 d'une huile incolore sont obtenus.Example 103: Methyl- (2-piperid -l-yl-ethyl) -amine At 0 ° C., under nitrogen, to a solution of 2g (15.6 mmol) of 2-piρeridin-1-yl-ethylamine in 20 ml of freshly distilled THF, 2.60 ml (18.7 mmol) of triethylamine are added and then dropwise 1.79 ml (18.7 mmol) of ethyl chloroformate. The mixture is stirred for 16 h at room temperature. After evaporation to dryness, the residue is taken up in a mixture of ethyl acetate / saturated Na 2 CO 3 solution. The aqueous phase is extracted twice more with ethyl acetate, then the combined organic phases are dried over Na SO 4 , filtered and evaporated under vacuum. 3.1 of a colorless oil are obtained.
Le brut est repris dans 70 ml de THF fraîchement distillé. A cette solution refroidie à 0°C, sous azote, est ajoutée goutte à goutte une suspension de 1,17g (30,8 mmol) d'hydrure mixte de lithium et d'aluminium. Le mélange est porté au reflux pendant 16h, puis la réaction est stoppée par l'ajout successif de 1,17 ml d'eau, 1,17 ml de soude 4N, puis 1,17 ml d'eau. Après filtration et lavage du précipité à l'éther, le filtrat est évaporé à sec et le résidu est distillé sous vide (80°C, 5 mbar). 1,15g (52%) sont obtenus sous forme d'une huile incolore.The crude is taken up in 70 ml of freshly distilled THF. To this solution, cooled to 0 ° C., under nitrogen, is added dropwise a suspension of 1.17 g (30.8 mmol) of mixed lithium aluminum hydride. The mixture is brought to reflux for 16 h, then the reaction is stopped by the successive addition of 1.17 ml of water, 1.17 ml of 4N sodium hydroxide, then 1.17 ml of water. After filtration and washing of the ether precipitate, the filtrate is evaporated to dryness and the residue is distilled under vacuum (80 ° C, 5 mbar). 1.15 g (52%) are obtained in the form of a colorless oil.
RMN 1H (CDCI3) δ (ppm) : 1,35-1,50 (m, 2H, CH2-CHrCH2); 1,50-1,75 (m, 4H, CH^- CH2-Cfib); 2,30-2,55 (m, 9H, 3CSiN et NCH^ ); 2.67 (t, J=6 Hz, 2H, CH2N). 1 H NMR (CDCI 3 ) δ (ppm): 1.35-1.50 (m, 2H, CH 2 -CHrCH 2 ); 1.50-1.75 (m, 4H, CH ^ - CH 2 -Cfib); 2.30-2.55 (m, 9H, 3CSiN and NCH ^); 2.67 (t, J = 6 Hz, 2H, CH2N).
Exemples 104 à 106 : Amides dérivés de l'exemple 71Examples 104 to 106: Amides Derived from Example 71
A une solution de 400mg (0,92 mmol) de composé de l'exemple 71 dans 8 ml de dichlorométhane, sont ajoutés successivement 0,128 ml (0,92 mmol) de triéthylamine, 0,92 mmol d'aminé, 124 mg (0,92 mmol) d'hydroxybenzotriazole, et 176 mg (0,92 mmol) de chlorhydrate de l-(3-diméthylaminoρropyl)-3-ethylcarbodiimide. Le mélange est agité à température ambiante pendant 24h, puis dilué avec 10 ml d'une solution de Na2CO3 saturée. La phase aqueuse est extraite encore deux fois au dichlorométhane, puis les phases organiques rassemblées sont séchées sur Na2SO4, filtrées et évaporées sous vide. Le résidu est chromatogrphié sur colonne de silice (éluant : AcOEt + 3% triéthylamine).To a solution of 400 mg (0.92 mmol) of compound of example 71 in 8 ml of dichloromethane, are successively added 0.128 ml (0.92 mmol) of triethylamine, 0.92 mmol of amine, 124 mg (0 , 92 mmol) of hydroxybenzotriazole, and 176 mg (0.92 mmol) of 1- (3-dimethylaminoρropyl) -3-ethylcarbodiimide hydrochloride. The mixture is stirred at room temperature for 24 hours, then diluted with 10 ml of a saturated Na 2 CO 3 solution. The aqueous phase is extracted twice more with dichloromethane, then the combined organic phases are dried over Na 2 SO 4 , filtered and evaporated under vacuum. The residue is chromatographed on a silica column (eluent: AcOEt + 3% triethylamine).
Exemple 104 : 2-(4-{3-[(2-piperidm-l-yl-ethyl)-me yl-carbamoyl]-phenyl}-piperazin-l- yl)-ethyl N-(2-Ethoxy-phenyl)-carbamateExample 104: 2- (4- {3 - [(2-piperidm-l-yl-ethyl) -me yl-carbamoyl] -phenyl} -piperazin-l- yl) -ethyl N- (2-Ethoxy-phenyl) carbamate
0,210 g (42%) d'une huile jaune est obtenue.0.210 g (42%) of a yellow oil is obtained.
RMN *H (CDCI3) δ (ppm) : 1,40-1,70 (m, 9H, CBg-CΗa-CΗg et-CEύl 2,20-2,35 (m, 2H,NMR * H (CDCI3) δ (ppm): 1.40-1.70 (m, 9H, CBg-CΗa-CΗg and-CEύl 2.20-2.35 (m, 2H,
CH2N) ; 2,40-2,70 (m, 4H, 2 CH ï) ; 2,70-2,85 (m, 6H, CÏ ;CH2O, CH^ pipérazine);CH 2 N); 2.40-2.70 (m, 4H, 2 CH ï); 2.70-2.85 (m, 6H, CI, CH 2 O, CH ^ piperazine);
2,97 (s, 1,5H, NCHj) ; 3,08 (s, 1,5H, NCH2 ; 3,20-3,30 (m, 4H, CHgN pipérazine); 3,30- 3,40 (m, IH, CH2NCH3) ; 3,60-3,70 (m, IH, CH^NC-^) ; 4,09 (q, J=7 Hz, 2H, PhOCI J;2.97 (s, 1.5H, NCHj); 3.08 (s, 1.5H, NCH 2 ; 3.20-3.30 (m, 4H, CHgN piperazine); 3.30-3.40 (m, 1H, CH2NCH 3 ); 3.60-3 , 70 (m, 1H, CH ^ NC- ^); 4.09 (q, J = 7 Hz, 2H, PhOCI J;
4,35 (t, J=6 Hz, 2H, C&OCON); 6,80-7,0 (m, 6H, Ar-H); 7,25-7,35 (m, 2H, Ar-H et NH);4.35 (t, J = 6 Hz, 2H, C &OCON); 6.80-7.0 (m, 6H, Ar-H); 7.25-7.35 (m, 2H, Ar-H and NH);
8,05-8,15 (m, IH, Ar-H).8.05-8.15 (m, 1H, Ar-H).
HPLC : t = 8.31 minHPLC: t = 8.31 min
MS : 538 (MH+) pureté HPLC : 98%MS: 538 (MH + ) HPLC purity: 98%
Exemple 105 : 2-(4-{3-[(2-dimethylarnino-e yl)-methyl-carbamoyl3-phenyl}-piperaziιι-l- yl)-ethyl N-(2-Ethoxy-phenyl)-carbamateExample 105: 2- (4- {3 - [(2-dimethylarnino-e yl) -methyl-carbamoyl3-phenyl} -piperaziιι-l- yl) -ethyl N- (2-Ethoxy-phenyl) -carbamate
0,150 g (32%) d'une huile incolore est obtenue. 0.150 g (32%) of a colorless oil is obtained.
RMN 1H (CDC13) δ (ppm) : 1,45 (t, J=7 Hz, 3H, -CH3); 2,09 (s, 3H, NCH3J; 2,31 (s, 3H, NCH3) ; 2,35-2,40 (m, IH, CîfcN) ; 2,45-2,50 (m, IH, C£ N) ; 2,70-2,85 (m, 6H, CH CHzO, CHg pipérazine); 2,98 (s, 1,5H, CONCH3J ; 3,08 (s, 1,5H, CONCH3) ; 3,20- 3,30 (m, 4H, CH2N pipérazine); 3,30-3,35 (m, IH, CH2NCH3) ; 3,60-3,70 (m, IH, CH2NCH3) ; 4,10 (q, J≈7 Hz, 2H, PhOCHg); 4,35 (t, J=6 Hz, 2H, CH≥OCON); 6,80-7,0 (m, 6H, Ar-H); 7,25-7,35 (m, 2H, Ar-H etNH); 8,05-8,15 (m, IH, Ar-H). HPLC : t = 8,19 min MS : 498 (MIT") pureté HPLC : 98%1H NMR (CDC1 3 ) δ (ppm): 1.45 (t, J = 7 Hz, 3H, -CH3); 2.09 (s, 3H, NCH3J; 2.31 (s, 3H, NCH 3 ); 2.35-2.40 (m, 1H, CfcN); 2.45-2.50 (m, 1H, C £ N); 2.70-2.85 (m, 6H, CH CHzO, CHg piperazine); 2.98 (s, 1.5H, CONCH 3 D; 3.08 (s, 1.5H, CONCH3); 3.20-3.30 (m, 4H, CH 2 N piperazine); 3.30-3.35 (m, 1H, CH2NCH 3 ); 3.60-3.70 (m, 1H, CH 2 NCH3) ; 4.10 (q, J≈7 Hz, 2H, PhOCHg); 4.35 (t, J = 6 Hz, 2H, CH≥OCON); 6.80-7.0 (m, 6H, Ar-H ); 7.25-7.35 (m, 2H, Ar-H and NH); 8.05-8.15 (m, 1H, Ar-H). HPLC: t = 8.19 min MS: 498 (MIT ") HPLC purity: 98%
Exemple 106 : 2-(4-{3-[(2-diemylamino-ethyl)-methyl-carbamoyl]-ρhenyl}-ρiperazin-l- yl)-ethyl N-(2-Ethoxy-phenyl)-carbamateExample 106: 2- (4- {3 - [(2-diemylamino-ethyl) -methyl-carbamoyl] -ρhenyl} -ρiperazin-l- yl) -ethyl N- (2-Ethoxy-phenyl) -carbamate
RMN 1H (CDCI3) δ (ppm) : 0,89 (t, J=7 Hz, 3H, NCH2CH3); 1,09 (t, J=7 Hz, 3H, NCH2CH3); 1,45 (t, J=7 Hz, 3H, OCH2CH3J; 2,36 (q, J=7 Hz, 2H, NCfib); 2,50-2,85 (m, 10H, 2x NCH2, CH CH2O, CH^N pipérazine); 3,00 (s, 1,5H, CONCH3) ; 3,09 (s, 1,5H, CONCgâ) ; 3,20-3,30 (m, 4H, CH2N pipérazine); 3,35-3,40 (m, IH, CH2NCH3) ; 3,55-3,65 (m, IH, CH NCH3) ; 4,09 (q, J=7 Hz, 2H, PhOCHa); 4,35 (t, J=6 Hz, 2H, CH2OCON); 6,80-7,0 (m, 6H, Ar-H); 7,25-7,35 (m, 2H, Ar-H et NH); 8,05-8,15 (m, IH, Ar-H). HPLC : t = 9,00 min MS : 526 (MH4) pureté HPLC : 99%1H NMR (CDCI 3 ) δ (ppm): 0.89 (t, J = 7 Hz, 3H, NCH 2 CH 3 ); 1.09 (t, J = 7 Hz, 3H, NCH2CH 3 ); 1.45 (t, J = 7 Hz, 3H, OCH 2 CH3J; 2.36 (q, J = 7 Hz, 2H, NCfib); 2.50-2.85 (m, 10H, 2x NCH 2 , CH CH 2 O, CH ^ N piperazine); 3.00 (s, 1.5H, CONCH3); 3.09 (s, 1.5H, CONCgâ); 3.20-3.30 (m, 4H, CH 2 N piperazine); 3.35-3.40 (m, 1H, CH2NCH3); 3.55-3.65 (m, 1H, CH NCH3); 4.09 (q, J = 7 Hz, 2H, PhOCHa) ; 4.35 (t, J = 6 Hz, 2H, CH2OCON); 6.80-7.0 (m, 6H, Ar-H); 7.25-7.35 (m, 2H, Ar-H and NH); 8.05-8.15 (m, 1H, Ar-H) HPLC: t = 9.00 min MS: 526 (MH 4 ) HPLC purity: 99%
Exemple 107 : 2-[4-(3-nitrophényl)-pipérazin-l-yl]-éthanol Dans 100 ml de DMSO sont dissous 153 ml (1,170 mol, 5,5 éq) de 2-(piρérazin-l- yl)éthanol. On ajoute alors une solution de 22,6 ml (0,214 mol) de 3-fluoro-nitrobenzène dans 105 ml de DMSO. Le mélange est chauffé à 100°C pendant 30h. Après retour à température ambiante, on verse le milieu réactionnel dans 2 L d'eau, et le précipité est filtré. Après séchage sous vide, 41,8 g du composé attendu sont obtenus sous forme d'un solide jaune (rdt : 78%).Example 107: 2- [4- (3-nitrophenyl) -piperazin-1-yl] -ethanol In 100 ml of DMSO are dissolved 153 ml (1.170 mol, 5.5 eq) of 2- (piρérazin-1-yl) ethanol. A solution of 22.6 ml (0.214 mol) of 3-fluoro-nitrobenzene in 105 ml of DMSO is then added. The mixture is heated at 100 ° C for 30h. After returning to ambient temperature, the reaction medium is poured into 2 L of water, and the precipitate is filtered. After drying under vacuum, 41.8 g of the expected compound are obtained in the form of a yellow solid (yield: 78%).
55
PF: 102-104°C.Mp: 102-104 ° C.
RMN 1H (CDC13) δ (ppm) : 2,60-2,80 (m, 6H, CH2CH2O, CH2N pipérazine); 3,25-3,35 (m, 4H, CHsN pipérazine); 3,69 (t, J=5 Hz, 2H, CH2 ); 7,17 (d, J=8 Hz, IH, H6); 7,38 (t, J=8 Hz, IH, H5); 7,67 (d, J=8 Hz, IH, H4); 7,72 (s, IH, H2). HPLC MS: tR=0,90 min / 252 (M+H).1 H NMR (CDC1 3 ) δ (ppm): 2.60-2.80 (m, 6H, CH2CH2O, CH 2 N piperazine); 3.25-3.35 (m, 4H, CHsN piperazine); 3.69 (t, J = 5 Hz, 2H, CH 2 ); 7.17 (d, J = 8 Hz, 1H, H6); 7.38 (t, J = 8 Hz, 1H, H5); 7.67 (d, J = 8 Hz, 1H, H4); 7.72 (s, 1H, H2). HPLC MS: t R = 0.90 min / 252 (M + H).
Exemple 108 : l-[2-(terι'-Butyl-diméthyl-siIanyloxy)-éthyI]-4-(3-nitro-phényI)- pipérazine A vme suspension de 4,25g (16,9 mmol) de composé de l'exemple 107 dans 150 ml d'acétonitrile, sont ajoutés successivement, 7,05 ml (50,7 mmol, 3 éq) de triéthylamine et 7,64g (50,7 mmol, 3éq) de tert-butyl-chloro-diméthylsilane. Le mélange est agité à température ambiante pendant 16h, puis porté au reflux pendant 2h. Après évaporation sous vide, le résidu est repris dans un mélange dichlorométhane / solution aqueuse saturée de carbonate de sodium. La phase organique est séchée sur Na2SO4, filtrée et concentrée sous vide. Le résidu est chromatographie sur silice (Cyclohexane 80 / AcOEt 20) pour conduire à 5,03 g du composé attendu sous forme d'une huile jaune (rdt : 81%).Example 108: 1- [2- (tert-Butyl-dimethyl-sianyloxy) -ethyl] -4- (3-nitro-phenyl) - piperazine A suspension of 4.25 g (16.9 mmol) of compound of l Example 107 in 150 ml of acetonitrile, are successively added, 7.05 ml (50.7 mmol, 3 eq) of triethylamine and 7.64 g (50.7 mmol, 3 eq) of tert-butyl-chloro-dimethylsilane. The mixture is stirred at room temperature for 16 h, then brought to reflux for 2 h. After evaporation under vacuum, the residue is taken up in a dichloromethane / saturated aqueous sodium carbonate solution. The organic phase is dried over Na 2 SO 4 , filtered and concentrated in vacuo. The residue is chromatographed on silica (Cyclohexane 80 / AcOEt 20) to yield 5.03 g of the expected compound in the form of a yellow oil (yield: 81%).
55
RMN 1H (CDCI3) δ (ppm) : 0,08 (s, 6H, 2x S1CH3) ; 0,91 (s, 9H, CICH^; 2,60 (t, J=6 Hz, 2H, CH2CH2O); 2,65-2,75 (m, 4H, CfliN pipérazine); 3,20-3,30 (m, 4H, CH2 pipérazine); 3,80 (t, J=6 Hz, 2H, CF /J); 7,14 (d, J=8 Hz, IH, H6); 7,33 (t, J=8 Hz, IH, H5); 7,66 (d, J=8 Hz, IH, H4); 7,71 (s, IH, H2). HPLC/MS: tR=2,10 min / 366 (M+H).1 H NMR (CDCI3) δ (ppm): 0.08 (s, 6H, 2x S1CH3); 0.91 (s, 9H, CICH ^; 2.60 (t, J = 6 Hz, 2H, CH2CH 2 O); 2.65-2.75 (m, 4H, CfliN piperazine); 3.20-3 , 30 (m, 4H, CH 2 piperazine); 3.80 (t, J = 6 Hz, 2H, CF / J); 7.14 (d, J = 8 Hz, 1H, H6); 7.33 (t, J = 8 Hz, 1H, H5); 7.66 (d, J = 8 Hz, 1H, H4); 7.71 (s, 1H, H2). HPLC / MS: t R = 2.10 min / 366 (M + H).
Exemple 109 : l-ï2-(ter^Buryl-diméthyl-sUanyloxy)-éthyl]-4-(3-aminophényl)- pipérazineExample 109: 1-12- (ter ^ Buryl-dimethyl-sulfanyloxy) -ethyl] -4- (3-aminophenyl) - piperazine
5,03g (13,8 mmol) de composé de l'exemple 108 dissous dans 100 ml de méthanol, sont soumis sous agitation vigoureuse pendant 2h, à une atmosphère d'hydrogène (P=l atm.), en présence de 500 mg de charbon palladié (10%). Après filtration du catalyseur, le résidu est concentré sous vide : 4,37 g du composé attendu sous forme d'une huile incolore (rdt : 94%).5.03 g (13.8 mmol) of compound of Example 108 dissolved in 100 ml of methanol, are subjected with vigorous stirring for 2 h, to a hydrogen atmosphere (P = 1 atm.), In the presence of 500 mg palladium on carbon (10%). After filtration of the catalyst, the residue is concentrated under vacuum: 4.37 g of the expected compound in the form of a colorless oil (yield: 94%).
RMN *H (CDCI3) δ (ppm) : 0,07 (s, 6H, 2x S1CH3) ; 0,90 (s, 9H, C CH ; 2,55 (t, J=6 Hz, 2H, CH CH2O); 2,60-2,70 (m, 4H, CH^N pipérazine); 3,10-3,20 (m, 4H, CHgN pipérazine); 3.60 (s large, 2H, NH2); 3,79 (t, J=6 Hz, 2H, CH^O); 6.22 (d, J≈8 Hz, IH, H6); 6,25 (s, IH, H2); 6,36 (d, J=8 Hz, IH, H4) ; 7,04 (t, J=8 Hz, IH, H5). HPLC/MS: tR=l,83 min / 336 (M+H).* H NMR (CDCI 3 ) δ (ppm): 0.07 (s, 6H, 2x S1CH 3 ); 0.90 (s, 9H, C CH; 2.55 (t, J = 6 Hz, 2H, CH CH 2 O); 2.60-2.70 (m, 4H, CH ^ N piperazine); 3, 10-3.20 (m, 4H, CHgN piperazine); 3.60 (broad s, 2H, NH 2 ); 3.79 (t, J = 6 Hz, 2H, CH ^ O); 6.22 (d, J≈8 Hz, 1H, H6); 6.25 (s, 1H, H2); 6.36 (d, J = 8 Hz, 1H, H4); 7.04 (t, J = 8 Hz, 1H, H5). HPLC / MS: t R = 1.83 min / 336 (M + H).
Exemple 110 : N-(3-{4-[2-(tert-Butyl-diméthyl-silanyloxy)-éthyl]-pipérazin-l-yl}- phényl)-3-diéthylamino-propionamideExample 110: N- (3- {4- [2- (tert-Butyl-dimethyl-silanyloxy) -ethyl] -piperazin-1-yl} - phenyl) -3-diethylamino-propionamide
A une solution de 4,37g (13,0 mmol) de composé de l'exemple 109 dans 130 ml de dichlorométhane, sont ajoutés successivement 7,59 ml (54,6 mmol, 4,2 éq) de triéthylamine, 2,36g (13,0 mmol, léq) de chlorhydrate d'acide 3-(N- diéthyl)aminopropionique, 1,93 g (14,3 mmol, 1,1 éq) de 1-hydroxybenzotriazole et 4,59g (14,3 mmol, l,léq) de tetrafluoroborate de O-(benzotriazol-l-yl)-N,N,N',N'- tetraméthyluronium (TBTU). Le mélange est agité à température ambiante pendant 72h, puis est dilué avec 100 ml de solution aqueuse saturée de carbonate de sodium. La phase organique est encore extraite deux fois avec une solution saturée de Na2CO3, puis elle est séchée sur Na2SO , filtrée et concentrée sous vide. Le résidu est chromatographie sur silice (Dichlorométhane 96 / MeOH 4 + 0,4% NH4OH puis Dichlorométhane 90 / MeOH 10 + 1% NH4OH) pour conduire à 2,87 g du composé attendu sous forme d'une huile incolore (rdt : 47%).To a solution of 4.37 g (13.0 mmol) of compound of example 109 in 130 ml of dichloromethane, are successively added 7.59 ml (54.6 mmol, 4.2 eq) of triethylamine, 2.36 g (13.0 mmol, leq) 3- (N-diethyl) aminopropionic acid hydrochloride, 1.93 g (14.3 mmol, 1.1 eq) of 1-hydroxybenzotriazole and 4.59 g (14.3 mmol , l, lq) of O- (benzotriazol-1-yl) -N, N, N ', N'-tetramethyluronium tetrafluoroborate (TBTU). The mixture is stirred at room temperature for 72 h, then is diluted with 100 ml of saturated aqueous sodium carbonate solution. The organic phase is further extracted twice with a saturated solution of Na 2 CO 3 , then it is dried over Na 2 SO, filtered and concentrated in vacuo. The residue is chromatographed on silica (Dichloromethane 96 / MeOH 4 + 0.4% NH 4 OH then Dichloromethane 90 / MeOH 10 + 1% NH 4 OH) to yield 2.87 g of the expected compound in the form of a colorless oil (yield: 47%).
RMN *H (CDC13) δ (ppm) : 0,07 (s, 6H, 2x NMR * H (CDC1 3 ) δ (ppm): 0.07 (s, 6H, 2x
Hz, 6H, 2x CH2 H2); 2, 40-2,70 (m, 14H, CHzCH2O + COCH∑CH^N + + 2χCH3CI^ +Hz, 6H, 2x CH2 H 2 ); 2.40-2.70 (m, 14H, CHzCH 2 O + COCH ∑ CH ^ N + + 2χCH 3 CI ^ +
2xCH2 pipérazine); 3,15-3,25 (m, 4H, 2xCHiN pipérazine) ; 3,80 (t, J=6 Hz, 2H, CH2O);2xCH 2 piperazine); 3.15-3.25 (m, 4H, 2xCHiN piperazine); 3.80 (t, J = 6 Hz, 2H, CH2O);
6.63 (d, J=8 Hz, IH, H6); 6,79 (d, J=8 Hz, IH, H4); 7,15 (t, J=8 Hz, IH, H5) ; 7,42 (s, IH,6.63 (d, J = 8 Hz, 1H, H6); 6.79 (d, J = 8 Hz, 1H, H4); 7.15 (t, J = 8 Hz, 1H, H5); 7.42 (s, 1H,
H2).H2).
HPLC/MS: tR=l,85 min / 463 (M+H).HPLC / MS: t R = 1.85 min / 463 (M + H).
Exemple 111 : 3-Diéthylamino-N-{3-[4-(2-hydroxy-éthyl)-pipérazin-l-yl]-phényl}- propionamideExample 111: 3-Diethylamino-N- {3- [4- (2-hydroxy-ethyl) -piperazin-1-yl] -phenyl} - propionamide
A une solution de 1,15g (2,5 mmol) de composé de l'exemple 110 dans 10 ml de tétrahydrofurane, sont ajoutés 1,56 g (5,0 mmol, 2 éq) de fluorure de tetrabutylammonium. Le mélange est agité à température ambiante pendant 12h, puis évaporé sous vide. Le résidu est repris dans 20 ml de dichlorométhane et 20 ml d'eau. La phase aqueuse est extraite à nouveau deux fois avec 20 ml de dichlorométhane. Les phases organiques sont rassemblées, puis séchées sur Na2SO4, filtrées et concentrées sous vide. Le résidu est chromatographie sur silice (Dichlorométhane 95 / MeOH 5 + 0,5% NH4OH) pour conduire à 660 mg du composé attendu sous forme d'une huile incolore (rdt : 76%).To a solution of 1.15 g (2.5 mmol) of compound of Example 110 in 10 ml of tetrahydrofuran, 1.56 g (5.0 mmol, 2 eq) of tetrabutylammonium fluoride are added. The mixture is stirred at room temperature for 12 h, then evaporated in vacuo. The residue is taken up in 20 ml of dichloromethane and 20 ml of water. The aqueous phase is extracted again twice with 20 ml of dichloromethane. The organic phases are combined, then dried over Na 2 SO 4 , filtered and concentrated in vacuo. The residue is chromatographed on silica (Dichloromethane 95 / MeOH 5 + 0.5% NH 4 OH) to yield 660 mg of the expected compound in the form of a colorless oil (yield: 76%).
RMN *H (CDCI3) δ (ppm) : 1,13 (t, J=7 Hz, 6H, 2x CH3CH2); 2, 45-2,80 (m, 14H, CHaCTbO + COCH2CH2N + + 2xCH3CHa + 2xCHzN pipérazine); 3,20-3,30 (m, 4H, 2 CH2N pipérazine) ; 3,66 (t, J=5 Hz, 2H, CH2.O); 6.61 (d, J=8 Hz, IH, H6); 6,79 (d, J=8 Hz, IH, H4); 7,17 (t, J=8 Hz, IH, H5) ; 7,45 (s, IH, H2); 11,19 (s large, IH). HPLC MS: tR≈0,29 min / 349 (M+H).NMR * H (CDCI3) δ (ppm): 1.13 (t, J = 7 Hz, 6H, 2x CH 3 CH 2 ); 2.45-2.80 (m, 14H, CHaCTbO + COCH 2 CH 2 N + + 2xCH 3 CHa + 2xCHzN piperazine); 3.20-3.30 (m, 4H, 2 CH 2 N piperazine); 3.66 (t, J = 5 Hz, 2H, CH 2. O); 6.61 (d, J = 8 Hz, 1H, H6); 6.79 (d, J = 8 Hz, 1H, H4); 7.17 (t, J = 8 Hz, 1H, H5); 7.45 (s, 1H, H2); 11.19 (br s, 1H). HPLC MS: t R ≈ 0.29 min / 349 (M + H).
Exemples 112 à 119 : Phénylcarbamates dérivés de l'exemple 111Examples 112 to 119: Phenylcarbamates derived from Example 111
A 0,5 ml de solution de phénylisocyanate substitué (0,3 M CH3CN, 0,15 mmol), sont ajoutés 0,8 ml d'une solution de composé de l'exemple 111 (0,188 M CH3CN, 0,15 mmol). Les milieux réactionnels sont soumis à une agitation orbitalaire, et maintenus à 72°C (température extérieure) pendant 20h. Après retour à température ambiante, 0,25 ml de solution de phénylisocyanate substitué (0,3 M CH3CN, 0,075 mmol) sont ajoutés, puis les milieux réactionnels sont agités dans les mêmes conditions à 72°C, pendant 20h. Après évaporation sous vide, les résidus sont repris dans 2 ml de DMSO et purifiés par HPLC préparative (Gradient : 10%B ->100%B en 15 min). Après évaporation sous vide, les produits attendus sont repris dans un mélange AcOEt (2 ml) / solution de Na2CO3 saturée (2 ml). Les composés attendus sont obtenus après évaporation à sec des phases organiques. Les composés sont analysés par HPLC/MS. To 0.5 ml of substituted phenylisocyanate solution (0.3 M CH 3 CN, 0.15 mmol) are added 0.8 ml of a solution of compound of Example 111 (0.188 M CH 3 CN, 0 , 15 mmol). The reaction media are subjected to orbital stirring, and maintained at 72 ° C. (outside temperature) for 20 h. After returning to ambient temperature, 0.25 ml of substituted phenylisocyanate solution (0.3 M CH 3 CN, 0.075 mmol) are added, then the reaction media are stirred under the same conditions at 72 ° C for 20 h. After evaporation under vacuum, the residues are taken up in 2 ml of DMSO and purified by preparative HPLC (Gradient: 10% B -> 100% B in 15 min). After evaporation under vacuum, the expected products are taken up in an AcOEt (2 ml) / saturated Na 2 CO 3 solution (2 ml). The expected compounds are obtained after dry evaporation of the organic phases. The compounds are analyzed by HPLC / MS.
Résultats biologiquesBiological results
Les composés de l'invention ont été évalués par la mesure de leur constante d'affinité Ki réalisées par déplacement d'un radio-ligand [3H] -GRl 13808 sur des cellules gliales de rat exprimant de manière stable, l'isoforme humaine h5-HT4e.The compounds of the invention were evaluated by measuring their affinity constant Ki carried out by displacement of a [ 3 H] radioligand -GR1 13808 on rat glial cells stably expressing the human isoform. h5-HT 4th .
Les cellules gliales à confluence sont lavées 2 fois au PBS et centrifugées 5 min à 300g. Le culot est utilisé immédiatement et les cellules sont suspendues dans 10 volumes d'HEPES (50 mM, pH 7.4, 4°C) puis homogénéisées avec un téflon et centrifugées 20min à 40000g. Le culot est suspendu à nouveau dans 15 volumes d'HEPES. Les expériences de déplacement sont effectuées dans 500μl de tampon (HEPES 50mM) contenant 20μl de radio-ligand [3H] -GRl 13808 à une concentration de 0.2 nM por l'isoforme h5-HT4e ou à une concentration égale à la moitié du Kd du radio-ligand pour les autres isoformes exprimées dans les cellules COS, 20μl de ligand compétiteur à 7 concentrations variables et 50μl de préparation membranaires (100-200μg de protéines déterminé par dosage selon la méthode de Bradford). La liaison est effectuée à 25°C pendant 30 min et la réaction est arrêtée par filtration rapide sous vide ( Brandel Harvester) sur filtres Whatman GF/B préincubés dans une solution de PEI 0.1% afin de réduire la liaison non spécifique. La radioactivité liée aux membranes est retenue par le filtre qui est découpé puis lavé avec un tampon froid (50mM Tris-HCl, pH 7.4) et incubé une nuit dans 4 ml de liquide à scintillation .La radioactivité est mesurée à l'aide d'un compteur à scintillation liquide ( Beckmman LS 6500C). Les données de liaison sont obtenues par régression linéaire assistée par ordinateur (Graph Prism Program, Graph Pad Software. Inc ; San Diego, CA) Les résultats du tableau suivant sont donnés à titre d'exemple :The confluent glial cells are washed twice with PBS and centrifuged for 5 min at 300 g. The pellet is used immediately and the cells are suspended in 10 volumes of HEPES (50 mM, pH 7.4, 4 ° C) then homogenized with a teflon and centrifuged 20 min at 40000g. The pellet is suspended again in 15 volumes of HEPES. The displacement experiments are carried out in 500 μl of buffer (HEPES 50 mM) containing 20 μl of radio-ligand [ 3 H] -GR 13808 at a concentration of 0.2 nM for the isoform h5-HT 4e or at a concentration equal to half the Kd of the radio-ligand for the other isoforms expressed in COS cells, 20 μl of competing ligand at 7 variable concentrations and 50 μl of membrane preparation (100-200 μg of proteins determined by assay according to the Bradford method) . The binding is carried out at 25 ° C for 30 min and the reaction is stopped by rapid vacuum filtration (Brandel Harvester) on Whatman GF / B filters preincubated in a 0.1% PEI solution in order to reduce the non-specific binding. The radioactivity bound to the membranes is retained by the filter which is cut out and then washed with a cold buffer (50mM Tris-HCl, pH 7.4) and incubated overnight in 4 ml of scintillation liquid. The radioactivity is measured using a liquid scintillation counter (Beckmman LS 6500C). The binding data are obtained by computer-assisted linear regression (Graph Prism Program, Graph Pad Software. Inc; San Diego, CA) The results in the following table are given by way of example:

Claims

REVENDICATIONS
1. Composé de formule générale (I) :1. Compound of general formula (I):
dans laquelle :in which :
- Ri représente un groupement alkyle inférieur, aryle, halogénoalkyle ou arylalkyle inférieur,Ri represents a lower alkyl, aryl, haloalkyl or lower arylalkyl group,
- R2 représente l'atome d'hydrogène ou un groupement alkyle inférieur,R2 represents the hydrogen atom or a lower alkyl group,
- A représente un groupement aryle ou hétérocycle, ce groupement étant éventuellement substitué par un autre substituant que R3,A represents an aryl or heterocycle group, this group being optionally substituted by another substituent than R3,
- R3 représente un groupe choisi parmi les groupes ci dessous :- R 3 represents a group chosen from the groups below:
NR6CORι3, et -(NR6)„'-CONR7R13, - les groupes R7-Rι2, identiques ou différents, représentent l'atome d'hydrogène, un radical aryle, un radical hétéroaryle, un radical hétérocycle, un radical arylalkyle, un radical hétéroarylalkyle, un radical hétérocycloalkyle, un radical alkyle inférieur, un radical cycloalkyle, un groupe alkoxyalkyle, un groupe alkylaminoalkyle, un groupe alkyl-COORπ,NR 6 CORι 3 , and - (NR 6 ) „'- CONR 7 R 13 , - the groups R 7 -Rι 2 , identical or different, represent the hydrogen atom, an aryl radical, a heteroaryl radical, a heterocycle radical, an arylalkyl radical, a heteroarylalkyl radical, a heterocycloalkyl radical, a lower alkyl radical, a cycloalkyl radical, an alkoxyalkyl group, an alkylaminoalkyl group, an alkyl-COORπ group,
- les groupes R7-Rι2, pris deux à deux peuvent en outre former ensemble, avec la chaîne linéaire qui les supporte, au moins un cycle saturé ou non, tels que notamment cycloalkyle, cycloalkylène, hétérocycle, ,- the R 7 -Rι 2 groups , taken two by two, can also form together, with the linear chain which supports them, at least one saturated or unsaturated cycle, such as in particular cycloalkyl, cycloalkylene, heterocycle,,
- les groupes R10-R12 peuvent également représenter un groupe COORπ,- the groups R 10 -R 12 can also represent a group COORπ,
- R13 représente un groupe alkyle inférieur, un groupe cycloalkyle, un groupe aryle, un hétérocycle, un groupe arylalkyle, un groupe hétéroarylalkyle, un groupe hétérocycloalkyle, un groupe cycloalkylcarboxy, un groupe alkyl-COORπ, un groupe alkoxyalkyle, un groupe imidazopyridinylalkyle, un groupe trifluoroalkyl ou un groupe hétéroarylthioalkyle, étant entendu que R13 ne peut pas représenter le radical méthyle ou le radical éthyle, dans les cas où A représente un phényl, R2 représente l'atome d'hydrogène, G et J représentent le groupe CH, R3 représente NR6CORi3 ou -(NR6)n'-CONR Rι3 avec R6 et/ou R7 représentant l'atome d'hydrogène,R 13 represents a lower alkyl group, a cycloalkyl group, an aryl group, a heterocycle, an arylalkyl group, a heteroarylalkyl group, a heterocycloalkyl group, a cycloalkylcarboxy group, an alkyl-COORπ group, an alkoxyalkyl group, an imidazopyridinylalkyl group, a trifluoroalkyl group or a heteroarylthioalkyl group, it being understood that R 13 cannot represent the methyl radical or the ethyl radical, in the cases where A represents a phenyl, R 2 represents the hydrogen atom, G and J represent the group CH, R 3 represents NR 6 CORi 3 or - (NR 6 ) n ' -CONR Rι 3 with R 6 and / or R 7 representing the hydrogen atom,
- n est 1 ou 2 ; n' est 0 ou 1, m, p, q, r, s et t sont des entiers compris inclusivement entre 0 et 2, r, s et t n'étant pas simultanément 0,- n is 1 or 2; n 'is 0 or 1, m, p, q, r, s and t are integers inclusive between 0 and 2, r, s and t not being simultaneously 0,
- Y représente une chaîne alkylène, linéaire ou ramifiée, de 2 à 5 atomes de carbone,Y represents a linear or branched alkylene chain of 2 to 5 carbon atoms,
- J représente un groupement C-Rι4 ou l'atome d'azote - G représente un groupement C-R15 ou l'atome d'azote- J represents a group C-Rι 4 or the nitrogen atom - G represents a group CR 15 or the nitrogen atom
- R6, i6 et Rι7, identiques ou différents, représentent l'atome d'hydrogène ou un radical alkyle inférieur,- R 6 , i 6 and Rι 7 , identical or different, represent the hydrogen atom or a lower alkyl radical,
- Rt, R5, Rι4 et Rι5 pris individuellement représentent l'atome d'hydrogène, un atome d'halogène, un groupe alkyle inférieur, un groupe alkoxy, alkylthio, alkylsulfonyle, alkylsulfoxide, trifluorométhyle, nitro, cyano, carboxy, alkylcarboxy, alkylamino ou dialkylamino,- R t , R 5 , Rι 4 and Rι 5 taken individually represent the hydrogen atom, a halogen atom, a lower alkyl group, an alkoxy group, alkylthio, alkylsulfonyl, alkylsulfoxide, trifluoromethyl, nitro, cyano, carboxy , alkylcarboxy, alkylamino or dialkylamino,
- ou, lorsque G ou J ne sont pas l'atome d'azote, les groupements ORÎ et R14 et/ou les groupements Rι4 et R5 et ou les groupements Ri5 et R5 et/ou les groupements R15 et R4 peuvent former, pris ensemble avec le noyau aromatique auquel ils sont attachés, un cycle saturé ou non, lesdits groupes alkyle, cycloalkyle, aryle, arylalkyle, hétéroaryle, hétérocycle, hétérocycloalkyle, hétéroarylalkyle, alkylaminoalkyle, alkoxy, alkoxyalkyle, alkylthio et alkylcarboxy, ainsi que ledit cycle, pouvant être substitués ou non, ainsi que ses sels, isomères optiques et géométriques ou leurs mélanges.- or, when G or J are not the nitrogen atom, the groups OR Î and R 14 and / or the groups Rι 4 and R 5 and or the groups R i5 and R 5 and / or the groups R15 and R4 can form, taken together with the aromatic nucleus to which they are attached, a saturated or unsaturated cycle, said alkyl, cycloalkyl, aryl, arylalkyl, heteroaryl, heterocycle, heterocycloalkyl, heteroarylalkyl, alkylaminoalkyl, alkoxy, alkoxyalkyl, alkylthio and alkylcarboxy groups, as well as said cycle, which may or may not be substituted, as well as its salts, optical and geometric isomers or their mixtures.
2. Composé de formule générale (I) selon la revendication 1, dans laquelle RI représente un radical alkyle inférieure et de préférence un groupement méthyle ou éthyle.2. Compound of general formula (I) according to claim 1, in which RI represents a lower alkyl radical and preferably a methyl or ethyl group.
3. Composé de formule générale (I) selon la revendication 1 ou 2, dans laquelle :3. Compound of general formula (I) according to claim 1 or 2, in which:
- A représente un phényl, une pyrimidine, une pyridazine ou une pyrazine et/ou- A represents a phenyl, a pyrimidine, a pyridazine or a pyrazine and / or
- n= l et/ou- n = l and / or
- n' = 1 et ou- n '= 1 and or
- Y est une chaîne alkylène de 2 ou 3 atomes de carbone, de préférence linéaire, et/ou - R2 est un atome d'hydrogène, et/ou- Y is an alkylene chain of 2 or 3 carbon atoms, preferably linear, and / or - R 2 is a hydrogen atom, and / or
- R3 représente un radical choisi parmi :- R 3 represents a radical chosen from:
- R est un atome d'hydrogène, et/ou - Rβ est un atome d'hydrogène, et/ou- R is a hydrogen atom, and / or - Rβ is a hydrogen atom, and / or
- G est un groupe CH, et/ou- G is a CH group, and / or
- J est un groupe CH.- J is a CH group.
4. Composé de formule générale (I) selon la revendication 1 ou 2, dans laquelle : - A représente un phényl, une pyrimidine, une pyridazine ou une pyrazine et/ou n = 1 et/ou n' = 0 et/ou4. Compound of general formula (I) according to claim 1 or 2, in which: - A represents a phenyl, a pyrimidine, a pyridazine or a pyrazine and / or n = 1 and / or n '= 0 and / or
Y est une chaîne alkylène de 2 ou 3 atomes de carbone, de préférence linéaire, et/ouY is an alkylene chain of 2 or 3 carbon atoms, preferably linear, and / or
R2 est un atome d'hydrogène, et/ouR2 is a hydrogen atom, and / or
R3 représente un radical choisi parmi :R 3 represents a radical chosen from:
I est un atome d'hydrogène, et/ou G est un groupe CH, et/ou J est un groupe CH.I is a hydrogen atom, and / or G is a CH group, and / or J is a CH group.
5. Composé de formule générale (I) selon la revendication 1 ou 2, dans laquelle :5. Compound of general formula (I) according to claim 1 or 2, in which:
- A représente un phényl, une pyrimidine, une pyridazine ou une pyrazine et/ou - n= l et/ou- A represents a phenyl, a pyrimidine, a pyridazine or a pyrazine and / or - n = 1 and / or
- Y est une chaîne alkylène de 2 ou 3 atomes de carbone, de préférence linéaire, et/ou- Y is an alkylene chain of 2 or 3 carbon atoms, preferably linear, and / or
- R2 est un atome d'hydrogène, et/ou- R 2 is a hydrogen atom, and / or
- -ι est un atome d'hydrogène, et/ou- -ι is a hydrogen atom, and / or
- R5 est un atome d'hydrogène, et/ou - G est un groupe CH, et/ou- R5 is a hydrogen atom, and / or - G is a CH group, and / or
- J est un groupe CH, et/ou- J is a CH group, and / or
- R3 représente un radical choisi parmi :- R 3 represents a radical chosen from:
avec Rβ est un atome d'hydrogène ou un radical alkyle inférieur (en particulier méthyle) et r représente 0, 1 ou 2 (en particulier 1 ou 2). with Rβ is a hydrogen atom or a lower alkyl radical (in particular methyl) and r represents 0, 1 or 2 (in particular 1 or 2).
6. Composé de formule générale (I) selon la revendication 1 ou 2, dans laquelle :6. Compound of general formula (I) according to claim 1 or 2, in which:
- A représente un phényl, une pyrimidine, une pyridazine ou une pyrazine et/ou- A represents a phenyl, a pyrimidine, a pyridazine or a pyrazine and / or
- n = l, et/ou- n = l, and / or
- Y est une chaîne alkylène de 2 ou 3 atomes de carbone, de préférence linéaire, et/ou- Y is an alkylene chain of 2 or 3 carbon atoms, preferably linear, and / or
- R2 est un atome d'hydrogène, et/ou- R 2 is a hydrogen atom, and / or
- R} est un atome d'hydrogène, et/ou- R} is a hydrogen atom, and / or
- R5 est un atome d'hydrogène, et/ou- R 5 is a hydrogen atom, and / or
- G est un groupe CH, et/ou- G is a CH group, and / or
- J est un groupe CH, et/ou- J is a CH group, and / or
- R3 représente un radical choisi parmi :- R 3 represents a radical chosen from:
avec Rβ est un atome d'hydrogène ou un radical alkyle inférieur (en particulier méthyle), R7 est un atome d'hydrogène ou un radical alkyle inférieur (en particulier méthyle), et m est un entier compris inclusivement entre 0 et 2 (en particulier 0 ou 1).with Rβ is a hydrogen atom or a lower alkyl radical (in particular methyl), R 7 is a hydrogen atom or a lower alkyl radical (in particular methyl), and m is an integer inclusive between 0 and 2 ( in particular 0 or 1).
7. Composé de formule générale (I) selon la revendication 1 ou 2, dans laquelle : - A représente un phényl, une pyrimidine, une pyridazine ou une pyrazine et/ou7. Compound of general formula (I) according to claim 1 or 2, in which: - A represents a phenyl, a pyrimidine, a pyridazine or a pyrazine and / or
- n= l, et/ou- n = l, and / or
- Y est une chaîne alkylène de 2 ou 3 atomes de carbone, de préférence linéaire, et/ou- Y is an alkylene chain of 2 or 3 carbon atoms, preferably linear, and / or
- R2 est un atome d'hydrogène, et/ou- R 2 is a hydrogen atom, and / or
- R4 est un atome d'hydrogène, et/ou - R5 est un atome d'hydrogène, et/ou- R 4 is a hydrogen atom, and / or - R 5 is a hydrogen atom, and / or
- G est un groupe CH, et/ou- G is a CH group, and / or
- J est un groupe CH, et/ou- J is a CH group, and / or
- R3 représente un radical choisi parmi : - R 3 represents a radical chosen from:
avec R7 est un atome d'hydrogène ou un radical alkyle inférieur (en particulier méthyle) et m représente 1 ou 2.with R 7 is a hydrogen atom or a lower alkyl radical (in particular methyl) and m represents 1 or 2.
8. Composé de formule générale I selon la revendication 1 ou 2, formule dans laquelle R3 représente un groupe -NR6-CORi3 ou -(NR6)n'-CONR7Rι3, avec Rj3 représentant un groupe cycloalkyle, un hétérocycle, un groupe arylalkyle, un groupe hétéroarylalkyle, un groupe hétérocycloalkyle, un groupe alkylcarboxy, un groupe cycloalkylcarboxy, un groupe alkyl-COORπ, un groupe imidazopyridinylalkyle, un groupe trifluoroalkyl ou un groupe hétéroarylthioalkyle.8. Compound of general formula I according to claim 1 or 2, formula in which R3 represents a group -NR 6 -CORi3 or - (NR 6 ) n '-CONR 7 Rι 3 , with Rj 3 representing a cycloalkyl group, a heterocycle , an arylalkyl group, a heteroarylalkyl group, a heterocycloalkyl group, an alkylcarboxy group, a cycloalkylcarboxy group, an alkyl-COORπ group, an imidazopyridinylalkyl group, a trifluoroalkyl group or a heteroarylthioalkyl group.
9. Composé de formule générale I selon la revendication 1 ou 2, formule dans laquelle R3 représente un groupe -CONR7R13, avec R13 représentant un groupe cycloalkyle, un hétérocycle, un groupe arylalkyle, un groupe hétéroarylalkyle, un groupe hétérocycloalkyle, un groupe alkylcarboxy, un groupe cycloalkylcarboxy, un groupe alkyl- COORπ, un groupe alkoxyalkyle, un groupe imidazopyridinylalkyle, un groupe trifluoroalkyl ou un groupe hétéroarylthioalkyle.9. Compound of general formula I according to claim 1 or 2, formula in which R3 represents a group -CONR 7 R 13 , with R 13 representing a cycloalkyl group, a heterocycle, an arylalkyl group, a heteroarylalkyl group, a heterocycloalkyl group, an alkylcarboxy group, a cycloalkylcarboxy group, an alkyl-COORπ group, an alkoxyalkyl group, an imidazopyridinylalkyl group, a trifluoroalkyl group or a heteroarylthioalkyl group.
10. Composé de formule (I) selon l'une des revendications 1 à 9, dans laquelle A représente un phényl éventuellement substitué.10. Compound of formula (I) according to one of claims 1 to 9, in which A represents an optionally substituted phenyl.
11. Composé de formule (I) selon l'une des revendications 1 à 10, dans laquelle Y est une chaîne alkylène à 2 ou 3 carbones.11. Compound of formula (I) according to one of claims 1 to 10, in which Y is an alkylene chain with 2 or 3 carbons.
12. Composé choisi parmi les composés des exemples n° 9-46, ainsi que leurs sels.12. Compound chosen from the compounds of examples n ° 9-46, as well as their salts.
13. Composé choisi parmi les composés des exemples n° 47-67, ainsi que leurs sels.13. Compound chosen from the compounds of examples n ° 47-67, as well as their salts.
14. Composé choisi parmi les composés des exemples n° 72-102 et 104-106, ainsi que leurs sels. 14. Compound chosen from the compounds of Examples 72-102 and 104-106, as well as their salts.
15. Composé choisi parmi les composés des exemples n° 112-119, ainsi que leurs sels.15. Compound chosen from the compounds of Examples 112-119, as well as their salts.
16. Composé choisi parmi : 2-(4-{3-[3-(l-ethyl-pyrrolidin-2-ylmethyl)-ureido]-phenyl}-piperazin-l-yl)-ethyl N-(2- Ethoxy-ρhenyl)-carbamate,16. Compound chosen from: 2- (4- {3- [3- (l-ethyl-pyrrolidin-2-ylmethyl) -ureido] -phenyl} -piperazin-l-yl) -ethyl N- (2- Ethoxy- ρhenyl) carbamate,
2-(4-{3-[(l-memyl-l,2,5,6-tetiahydro-pyridine-3-carbonyl)-amino]-phenyl}-piperazin-l- yl)-ethyl N-(2-Ethoxy-phenyl)-carbamate,2- (4- {3 - [(l-memyl-1,2,5,6-tetiahydro-pyridine-3-carbonyl) -amino] -phenyl} -piperazin-l- yl) -ethyl N- (2- ethoxy-phenyl) carbamate,
2-{4-[3-(3-amino-propionylamino)-ρhenyl]-ρiperazin-l-yl}-ethyl ester N-(2-Ethoxy- phenyl)-carbamate, 2-(4-{3-[2-aιnino-3-(4-hydroxy-phenyl)-propionylamino]-phenyl}-piperazin-l-yl)-ethyl N-2- {4- [3- (3-amino-propionylamino) -ρhenyl] -ρiperazin-l-yl} -ethyl ester N- (2-Ethoxy- phenyl) -carbamate, 2- (4- {3- [2 -aιnino-3- (4-hydroxy-phenyl) -propionylamino] -phenyl} -piperazin-l-yl) -ethyl N-
(2-Ethoxy-phenyl)-carbamate,(2-Ethoxy-phenyl) -carbamate,
2-[4-(3-{3-[3-(4-me yl-piρerazin-l-yl)-propyl]-ureido}-ρhenyl)-piperazin-l-yl]-ethyl N-2- [4- (3- {3- [3- (4-me yl-piρerazin-l-yl) -propyl] -ureido} -ρhenyl) -piperazin-l-yl] -ethyl N-
(2-Ethoxy-phenyl)-carbamate,(2-Ethoxy-phenyl) -carbamate,
2-(4- {3 -[(4-pyrrolidin- 1 -yl-piperidine- 1 -carbonyl)-anτino]-ρhenyl}-piρerazin- 1 -yl)-ethyl N-(2-Ethoxy-phenyl)-carbamate,2- (4- {3 - [(4-pyrrolidin- 1 -yl-piperidine- 1 -carbonyl) -anτino] -ρhenyl} -piρerazin- 1 -yl) -ethyl N- (2-Ethoxy-phenyl) -carbamate ,
2-(4- {3-[2-piperidin-l -yl-ethylcarbamoyl]-phenyl} -piperazin- 1 -yl)-ethyl N-(2-Ethoxy- ρhenyl)-carbamate,2- (4- {3- [2-piperidin-l -yl-ethylcarbamoyl] -phenyl} -piperazin- 1 -yl) -ethyl N- (2-Ethoxy- ρhenyl) -carbamate,
2-(4-{3-[(2-dimethylamino-emyl)-memyl-carbamoyl]-phenyl}-piperazin-l-yl)-ethyl N-(2-2- (4- {3 - [(2-dimethylamino-emyl) -memyl-carbamoyl] -phenyl} -piperazin-l-yl) -ethyl N- (2-
Ethoxy-phenyl)-carbamate, et ainsi que leurs sels.Ethoxy-phenyl) -carbamate, and also their salts.
17. Produits intermédiaires utiles pour la préparation de produits selon la revendication 1 qui sont le 3-{4-[2-(2-ethoxy-phenylcarbamoyloxy)-éthyl]-pipérazin-l-yl}-benzoate d'éthyle, le 3-{4-[2-(2-ethoxy-ρhenylcarbamoyloxy)-éthyl]-ρipérazin-l-yl}-benzoate de sodium ou un de leurs sels d'addition.17. Intermediate products useful for the preparation of products according to claim 1 which are ethyl 3- {4- [2- (2-ethoxy-phenylcarbamoyloxy) -ethyl] -piperazin-1-yl} -benzoate, 3 - sodium sodium {4- [2- (2-ethoxy-ρhenylcarbamoyloxy) -ethyl] -ρiperazin-l-yl} -benzoate or one of their addition salts.
18. Composition pharmaceutique comprenant au moins un composé selon l'une des revendications 1 à 16.18. Pharmaceutical composition comprising at least one compound according to one of claims 1 to 16.
19. Composition pharmaceutique selon la revendication 18, pour le traitement ou la prophylaxie des maladies dans lesquelles le récepteur 5-HT4 est impliqué.19. Pharmaceutical composition according to claim 18, for the treatment or prophylaxis of diseases in which the 5-HT4 receptor is involved.
20. Composition pharmaceutique selon la revendication 18, pour le traitement ou la prophylaxie de troubles gastro-intestinaux, de troubles du système nerveux central, d'affections cardiaques, d'affections génito-urinaires, de la douleur ou de la migraine. 20. Pharmaceutical composition according to claim 18, for the treatment or prophylaxis of gastrointestinal disorders, disorders of the central nervous system, cardiac disorders, genitourinary disorders, pain or migraine.
21. Utilisation d'un composé selon l'une des revendications 1 à 16 pour la préparation d'une composition pharmaceutique destinée à la mise en œuvre d'une méthode de traitement ou de prophylaxie du corps humain ou animal.21. Use of a compound according to one of claims 1 to 16 for the preparation of a pharmaceutical composition intended for the implementation of a method of treatment or prophylaxis of the human or animal body.
22. Utilisation d'un composé selon l'une des revendications 1 à 16 pour la préparation d'une composition pharmaceutique destinée au traitement thérapeutique ou préventif de troubles gastro-intestinaux, de troubles du système nerveux central, d'affections cardiaques, d'affections génito-urinaires, de la douleur ou de la migraine.22. Use of a compound according to one of claims 1 to 16 for the preparation of a pharmaceutical composition intended for the therapeutic or preventive treatment of gastrointestinal disorders, disorders of the central nervous system, cardiac disorders, genitourinary, pain or migraine conditions.
23. Procédé de préparation d'un composé selon l'une des revendications 1 à 16, caractérisé en ce que l'on fait réagir un produit de formule (II) avec un produit de formule (III) :23. Process for the preparation of a compound according to one of claims 1 to 16, characterized in that a product of formula (II) is reacted with a product of formula (III):
(ID (III)(ID (III)
dans lesquelles les groupes RI, R2, R3, R4, R5, A, Y, J, G et n ont la même signification que dans la revendication 1, en présence d'un réactif donneur de carbonyle, de préférence le triphosgène, et on récupère le produit obtenu.in which the groups RI, R2, R3, R4, R5, A, Y, J, G and n have the same meaning as in claim 1, in the presence of a carbonyl donor reagent, preferably triphosgene, and recovers the product obtained.
24. Procédé de préparation d'un composé selon l'une des revendications 1 à 16, caractérisé en ce que l'on fait réagir un produit de formule (IV) avec un produit de formule (III) :24. Process for the preparation of a compound according to one of claims 1 to 16, characterized in that a product of formula (IV) is reacted with a product of formula (III):
(IV) (III)(IV) (III)
dans lesquelles les groupes RI, R3, R4, R5, A, Y, J, G et n ont la même signification que dans la revendication 1, dans un solvant aprotique de préférence le tétrahydrofurane. in which the groups RI, R3, R4, R5, A, Y, J, G and n have the same meaning as in claim 1, in an aprotic solvent preferably tetrahydrofuran.
25. Procédé de préparation d'un composé selon l'une des revendications 1 à 16, caractérisé en ce que l'on fait réagir un produit de formule (V) avec un produit de formule (VI) ou (VII) :25. Process for the preparation of a compound according to one of claims 1 to 16, characterized in that a product of formula (V) is reacted with a product of formula (VI) or (VII):
(V) (VI) (VII)(V) (VI) (VII)
dans lesquelles les groupes RI -RI 3, R16, A, Y, J, G et n, m, p, q ont la même signification que dans la revendication 1, dans un solvant aprotique de préférence le tétrahydrofurane, en présence d'un agent donneur de carbonyle, de préférence le triphosgène.in which the groups RI -RI 3, R16, A, Y, J, G and n, m, p, q have the same meaning as in claim 1, in an aprotic solvent preferably tetrahydrofuran, in the presence of a carbonyl donor, preferably triphosgene.
26. Procédé de préparation d'un composé selon l'une des revendications 1 à 16, caractérisé en ce que l'on fait réagir un produit de formule (V) avec un produit de formule (VIII) ou (IX) :26. Process for the preparation of a compound according to one of claims 1 to 16, characterized in that a product of formula (V) is reacted with a product of formula (VIII) or (IX):
(V) (VIII) (IX)(V) (VIII) (IX)
dans lesquelles les groupes R1-R6, R8-R13, R16, A, Y, J, G et n, r, s et t ont la même signification que dans la revendication 1, dans un solvant aprotique de préférence le tétrahydrofurane, en présence d'un agent de couplage classique, de préférence le DCC sur support solide ou l'EDCI.in which the groups R1-R6, R8-R13, R16, A, Y, J, G and n, r, s and t have the same meaning as in claim 1, in an aprotic solvent preferably tetrahydrofuran, in the presence a conventional coupling agent, preferably DCC on a solid support or EDCI.
27. Procédé de préparation d'un composé selon l'une des revendications 1 à 16, caractérisé en ce que l'on fait réagir un produit de formule (X) avec un produit de formule (VI) ou (VII) : 27. Process for the preparation of a compound according to one of claims 1 to 16, characterized in that a product of formula (X) is reacted with a product of formula (VI) or (VII):
(X) (VI) (VII)(X) (VI) (VII)
dans lesquelles les groupes R1-R5, R7-R13, RI 6, A, Y, J, G et n, m, p et q ont la même signification que dans la revendication 1, dans un solvant aprotique de préférence le tétrahydrofurane, en présence d'un agent de couplage classique, de préférence le DCC sur support solide ou l'EDCI. in which the groups R1-R5, R7-R13, RI 6, A, Y, J, G and n, m, p and q have the same meaning as in claim 1, in an aprotic solvent preferably tetrahydrofuran, in presence of a conventional coupling agent, preferably DCC on solid support or EDCI.
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