WO2004011464A2 - Nouvelles pyrazolo[1,5-a]-1,3,5-triazines substituees et leurs analogiques, compositions pharmaceutiques les contenant, utilisation a titre de medicament et procedes pour leur preparation - Google Patents
Nouvelles pyrazolo[1,5-a]-1,3,5-triazines substituees et leurs analogiques, compositions pharmaceutiques les contenant, utilisation a titre de medicament et procedes pour leur preparation Download PDFInfo
- Publication number
- WO2004011464A2 WO2004011464A2 PCT/FR2003/002354 FR0302354W WO2004011464A2 WO 2004011464 A2 WO2004011464 A2 WO 2004011464A2 FR 0302354 W FR0302354 W FR 0302354W WO 2004011464 A2 WO2004011464 A2 WO 2004011464A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- pyrazolo
- methyl
- triazine
- triazin
- formula
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 22
- 239000003814 drug Substances 0.000 title claims description 13
- 239000008194 pharmaceutical composition Substances 0.000 title claims description 6
- JUXWUYWPUDKPSD-UHFFFAOYSA-N pyrazolo[1,5-a][1,3,5]triazine Chemical class N1=CN=CN2N=CC=C21 JUXWUYWPUDKPSD-UHFFFAOYSA-N 0.000 title abstract description 3
- 150000001875 compounds Chemical class 0.000 claims abstract description 165
- 230000007170 pathology Effects 0.000 claims abstract description 12
- 230000002093 peripheral effect Effects 0.000 claims abstract description 8
- 230000004770 neurodegeneration Effects 0.000 claims abstract description 4
- -1 perfluoro Chemical group 0.000 claims description 311
- 125000000217 alkyl group Chemical group 0.000 claims description 97
- 125000003118 aryl group Chemical group 0.000 claims description 88
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 59
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 59
- 125000004029 hydroxymethyl group Chemical group [H]OC([H])([H])* 0.000 claims description 55
- FIDRAVVQGKNYQK-UHFFFAOYSA-N 1,2,3,4-tetrahydrotriazine Chemical compound C1NNNC=C1 FIDRAVVQGKNYQK-UHFFFAOYSA-N 0.000 claims description 52
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims description 44
- 229910052739 hydrogen Inorganic materials 0.000 claims description 40
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 claims description 39
- 238000006243 chemical reaction Methods 0.000 claims description 33
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 30
- 125000000623 heterocyclic group Chemical group 0.000 claims description 27
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 27
- QLNJFJADRCOGBJ-UHFFFAOYSA-N propionamide Chemical compound CCC(N)=O QLNJFJADRCOGBJ-UHFFFAOYSA-N 0.000 claims description 27
- 125000000250 methylamino group Chemical group [H]N(*)C([H])([H])[H] 0.000 claims description 26
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 claims description 26
- 125000003541 2-chlorobenzoyl group Chemical group ClC1=C(C(=O)*)C=CC=C1 0.000 claims description 24
- 229910052757 nitrogen Inorganic materials 0.000 claims description 24
- 125000001559 cyclopropyl group Chemical group [H]C1([H])C([H])([H])C1([H])* 0.000 claims description 23
- 102000004861 Phosphoric Diester Hydrolases Human genes 0.000 claims description 22
- 108090001050 Phosphoric Diester Hydrolases Proteins 0.000 claims description 22
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 claims description 22
- 125000005913 (C3-C6) cycloalkyl group Chemical group 0.000 claims description 21
- 125000001072 heteroaryl group Chemical group 0.000 claims description 21
- 125000005842 heteroatom Chemical group 0.000 claims description 21
- 239000011734 sodium Substances 0.000 claims description 21
- 125000004432 carbon atom Chemical group C* 0.000 claims description 18
- JIGUQPWFLRLWPJ-UHFFFAOYSA-N Ethyl acrylate Chemical compound CCOC(=O)C=C JIGUQPWFLRLWPJ-UHFFFAOYSA-N 0.000 claims description 17
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 claims description 17
- 125000004433 nitrogen atom Chemical group N* 0.000 claims description 17
- 229910052717 sulfur Inorganic materials 0.000 claims description 17
- 125000002927 2-methoxybenzyl group Chemical group [H]C1=C([H])C([H])=C(C(OC([H])([H])[H])=C1[H])C([H])([H])* 0.000 claims description 16
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 16
- 239000001257 hydrogen Substances 0.000 claims description 16
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 15
- 125000003236 benzoyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C(*)=O 0.000 claims description 15
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 claims description 15
- 229910052799 carbon Inorganic materials 0.000 claims description 15
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 15
- 229910052708 sodium Inorganic materials 0.000 claims description 15
- 125000000175 2-thienyl group Chemical group S1C([*])=C([H])C([H])=C1[H] 0.000 claims description 14
- 229910052740 iodine Inorganic materials 0.000 claims description 14
- 125000004076 pyridyl group Chemical group 0.000 claims description 14
- 125000003545 alkoxy group Chemical group 0.000 claims description 13
- 125000002941 2-furyl group Chemical group O1C([*])=C([H])C([H])=C1[H] 0.000 claims description 12
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 claims description 12
- 201000006417 multiple sclerosis Diseases 0.000 claims description 12
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- 229910052760 oxygen Inorganic materials 0.000 claims description 11
- PNJWIWWMYCMZRO-UHFFFAOYSA-N pent‐4‐en‐2‐one Natural products CC(=O)CC=C PNJWIWWMYCMZRO-UHFFFAOYSA-N 0.000 claims description 11
- WXMKPNITSTVMEF-UHFFFAOYSA-M sodium benzoate Chemical compound [Na+].[O-]C(=O)C1=CC=CC=C1 WXMKPNITSTVMEF-UHFFFAOYSA-M 0.000 claims description 11
- 125000000882 C2-C6 alkenyl group Chemical group 0.000 claims description 10
- PEYVWBGHBCDXRT-UHFFFAOYSA-N N1=NNC2=CN=NC2=C1 Chemical group N1=NNC2=CN=NC2=C1 PEYVWBGHBCDXRT-UHFFFAOYSA-N 0.000 claims description 10
- 239000002253 acid Substances 0.000 claims description 10
- 125000003710 aryl alkyl group Chemical group 0.000 claims description 10
- 125000002541 furyl group Chemical group 0.000 claims description 10
- 125000005843 halogen group Chemical group 0.000 claims description 10
- 125000001624 naphthyl group Chemical group 0.000 claims description 10
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 claims description 10
- 125000006308 propyl amino group Chemical group 0.000 claims description 10
- 125000004434 sulfur atom Chemical group 0.000 claims description 10
- 125000001544 thienyl group Chemical group 0.000 claims description 10
- 208000024827 Alzheimer disease Diseases 0.000 claims description 9
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 9
- 125000000304 alkynyl group Chemical group 0.000 claims description 9
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 9
- 229910052801 chlorine Inorganic materials 0.000 claims description 9
- 125000006317 cyclopropyl amino group Chemical group 0.000 claims description 9
- 238000002360 preparation method Methods 0.000 claims description 9
- 125000004203 4-hydroxyphenyl group Chemical group [H]OC1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 8
- 208000018737 Parkinson disease Diseases 0.000 claims description 8
- 125000002252 acyl group Chemical group 0.000 claims description 8
- 229910052794 bromium Inorganic materials 0.000 claims description 8
- 125000000753 cycloalkyl group Chemical group 0.000 claims description 8
- 125000006311 cyclobutyl amino group Chemical group [H]N(*)C1([H])C([H])([H])C([H])([H])C1([H])[H] 0.000 claims description 8
- 230000005764 inhibitory process Effects 0.000 claims description 8
- 125000002346 iodo group Chemical group I* 0.000 claims description 8
- IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical compound O([C@H]1CC[C@H]2[C@H]3[C@@H]([C@]4(C=CC(=O)C=C4CC3)C)CC[C@@]21C)C1=CCCC1 IUVKMZGDUIUOCP-BTNSXGMBSA-N 0.000 claims description 8
- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 claims description 8
- JIHQDMXYYFUGFV-UHFFFAOYSA-N 1,3,5-triazine Chemical compound C1=NC=NC=N1 JIHQDMXYYFUGFV-UHFFFAOYSA-N 0.000 claims description 7
- 125000004182 2-chlorophenyl group Chemical group [H]C1=C([H])C(Cl)=C(*)C([H])=C1[H] 0.000 claims description 7
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 claims description 7
- 230000009471 action Effects 0.000 claims description 7
- 125000003342 alkenyl group Chemical group 0.000 claims description 7
- 150000002431 hydrogen Chemical class 0.000 claims description 7
- 125000004043 oxo group Chemical group O=* 0.000 claims description 7
- 239000004299 sodium benzoate Substances 0.000 claims description 7
- 235000010234 sodium benzoate Nutrition 0.000 claims description 7
- 206010012289 Dementia Diseases 0.000 claims description 6
- QPJVMBTYPHYUOC-UHFFFAOYSA-N Methyl benzoate Natural products COC(=O)C1=CC=CC=C1 QPJVMBTYPHYUOC-UHFFFAOYSA-N 0.000 claims description 6
- 150000001412 amines Chemical class 0.000 claims description 6
- 125000004429 atom Chemical group 0.000 claims description 6
- 125000004196 benzothienyl group Chemical group S1C(=CC2=C1C=CC=C2)* 0.000 claims description 6
- 125000005745 ethoxymethyl group Chemical group [H]C([H])([H])C([H])([H])OC([H])([H])* 0.000 claims description 6
- RAXXELZNTBOGNW-UHFFFAOYSA-N imidazole Natural products C1=CNC=N1 RAXXELZNTBOGNW-UHFFFAOYSA-N 0.000 claims description 6
- 125000000814 indol-3-yl group Chemical group [H]C1=C([H])C([H])=C2N([H])C([H])=C([*])C2=C1[H] 0.000 claims description 6
- 125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 claims description 6
- 230000001537 neural effect Effects 0.000 claims description 6
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- XHXFXVLFKHQFAL-UHFFFAOYSA-N phosphoryl trichloride Chemical compound ClP(Cl)(Cl)=O XHXFXVLFKHQFAL-UHFFFAOYSA-N 0.000 claims description 6
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- 150000003839 salts Chemical class 0.000 claims description 6
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- 125000005118 N-alkylcarbamoyl group Chemical group 0.000 claims description 5
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- 125000000499 benzofuranyl group Chemical group O1C(=CC2=C1C=CC=C2)* 0.000 claims description 5
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- 125000003754 ethoxycarbonyl group Chemical group C(=O)(OCC)* 0.000 claims description 5
- 229910052731 fluorine Inorganic materials 0.000 claims description 5
- 229910052736 halogen Inorganic materials 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 claims description 5
- 125000003392 indanyl group Chemical group C1(CCC2=CC=CC=C12)* 0.000 claims description 5
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- 125000000168 pyrrolyl group Chemical group 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- HJORMJIFDVBMOB-UHFFFAOYSA-N rolipram Chemical compound COC1=CC=C(C2CC(=O)NC2)C=C1OC1CCCC1 HJORMJIFDVBMOB-UHFFFAOYSA-N 0.000 description 1
- 229950005741 rolipram Drugs 0.000 description 1
- 230000007017 scission Effects 0.000 description 1
- 208000037921 secondary disease Diseases 0.000 description 1
- 230000001953 sensory effect Effects 0.000 description 1
- 210000001044 sensory neuron Anatomy 0.000 description 1
- 239000001632 sodium acetate Substances 0.000 description 1
- 235000017281 sodium acetate Nutrition 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- 239000012279 sodium borohydride Substances 0.000 description 1
- 229910000033 sodium borohydride Inorganic materials 0.000 description 1
- 239000012312 sodium hydride Substances 0.000 description 1
- 229910000104 sodium hydride Inorganic materials 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- 239000012321 sodium triacetoxyborohydride Substances 0.000 description 1
- RPACBEVZENYWOL-XFULWGLBSA-M sodium;(2r)-2-[6-(4-chlorophenoxy)hexyl]oxirane-2-carboxylate Chemical compound [Na+].C=1C=C(Cl)C=CC=1OCCCCCC[C@]1(C(=O)[O-])CO1 RPACBEVZENYWOL-XFULWGLBSA-M 0.000 description 1
- 238000009331 sowing Methods 0.000 description 1
- 210000000278 spinal cord Anatomy 0.000 description 1
- 238000012453 sprague-dawley rat model Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
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- 230000000638 stimulation Effects 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 239000000829 suppository Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
- 210000000225 synapse Anatomy 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 239000003826 tablet Substances 0.000 description 1
- YBRBMKDOPFTVDT-UHFFFAOYSA-N tert-butylamine Chemical compound CC(C)(C)N YBRBMKDOPFTVDT-UHFFFAOYSA-N 0.000 description 1
- DPKBAXPHAYBPRL-UHFFFAOYSA-M tetrabutylazanium;iodide Chemical compound [I-].CCCC[N+](CCCC)(CCCC)CCCC DPKBAXPHAYBPRL-UHFFFAOYSA-M 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
- 125000000335 thiazolyl group Chemical group 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 150000003573 thiols Chemical class 0.000 description 1
- 125000003944 tolyl group Chemical group 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 230000026683 transduction Effects 0.000 description 1
- 238000010361 transduction Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 150000003918 triazines Chemical class 0.000 description 1
- BPLUKJNHPBNVQL-UHFFFAOYSA-N triphenylarsine Chemical compound C1=CC=CC=C1[As](C=1C=CC=CC=1)C1=CC=CC=C1 BPLUKJNHPBNVQL-UHFFFAOYSA-N 0.000 description 1
- 229910052722 tritium Inorganic materials 0.000 description 1
- 230000010415 tropism Effects 0.000 description 1
- 229940035893 uracil Drugs 0.000 description 1
- 235000015112 vegetable and seed oil Nutrition 0.000 description 1
- 239000008158 vegetable oil Substances 0.000 description 1
- 125000005023 xylyl group Chemical group 0.000 description 1
- REZGGXNDEMKIQB-UHFFFAOYSA-N zaprinast Chemical compound CCCOC1=CC=CC=C1C1=NC(=O)C2=NNNC2=N1 REZGGXNDEMKIQB-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- C07D487/04—Ortho-condensed systems
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Definitions
- the subject of the invention is new derivatives capable in particular of increasing the synthesis and / or the release of neurotrophic factors therefore able to be used as human or veterinary medicament, their methods of preparation as well as the intermediates necessary for synthesis.
- neurites dendrites and axons
- These neurons through synapses, can transmit messages via messengers or neurotransmitters such as catecholamines, amino acids or peptides.
- neurotransmitters such as catecholamines, amino acids or peptides.
- Carbon monoxide which is produced in particular by an enzyme, heme oxygenase, functions as a neurotransmitter and is capable of inducing, after diffusion into a cell, the production of a second cellular messenger: cyclic guanosine monophosphate (cGMP).
- cGMP cyclic guanosine monophosphate
- This induction of cGMP is carried out via a guanylate cyclase dependent on carbon monoxide.
- cGMP like cAMP, is degraded by a family of enzymes, phosphodiesterases (PDE), divided into at least 11 groups. PDE inhibitors, by slowing down the breakdown of cGMP and cAMP, increase or maintain the level of cGMP and cAMP in cells and prolong their biological effects.
- PDE phosphodiesterases
- neurotrophic factors are molecules that exert a very wide variety of biological effects and stimulate the development and differentiation of neurons, the maintenance of cellular integrity and which are necessary for the survival and development of neurons. More specifically, neurotrophic factors help prevent neuronal death and stimulate the growth of neurites as well as decrease membrane potentials, making the neuron more receptive to cellular signals.
- Neuronal functions can also change the long-term potentiation of neurons, inducing an increase in neuronal plasticity and making it possible to increase cognitive and mental faculties.
- neuronal functions are impaired.
- these states or diseases most often resulting from excessive neuronal death, there may be mentioned, without limitation: old age, Alzheimer's disease, Parkinson's disease, amyotrophic lateral sclerosis, multiple sclerosis, the disease Huntington's disease, strokes, peripheral neuropathies, retinopathies (especially retinitis pigmentosa), prion diseases (especially spongiform encephalopafhies like Creutzfeldt-Jakob disease), traumas (accidents in the spine, compression of the optic nerve following glaucoma, Among or neuronal disorders caused by the action of chemicals, as well as disorders associated with these states or diseases which may be disorders secondary to the primary pathology.
- These small molecules by inducing the secretion and / or synthesis of growth factors are also capable of changing the long-term potentiation of neurons, inducing, in particular in the hippocampus, an increase in neuronal plasticity, which will have for consequence of increasing cognitive and mental faculties.
- phosphodiesterase type 2 and 4 inhibitors are capable, by increasing the intracellular concentration of cAMP, of exerting a cytoprotective effect and notably increasing the survival of dopaminergic neurons (Pérez- Torres, S. et al. J. Chem. Neuroanatomy, 2000, 20, 349-374). It has also been reported that cAMP is involved in the transduction of many neurotransmitters and hormones and can thus in particular modulate the effect of growth factors. A PDE4 or PDE2 inhibitor, by slowing down the degradation of cAMP can, therefore, produce a neurological and / or neuroprotective effect.
- PDE4 inhibitors represent potential treatments for many central or peripheral diseases, in particular autoimmune and inflammatory diseases.
- the field of application of PDE4 inhibitors covers in particular the treatment and prevention of inflammation and lack of bronchial relaxation, and more particularly asthma and chronic obstructive pulmonary disease, but also other conditions such as rhinitis, acute respiratory distress syndrome, allergies, dermatitis, psoriasis, rheumatoid arthritis, multiple sclerosis (including multiple sclerosis), dyskinesia, glomerulonephritis, osteoarthritis, cancer, septic shock, AIDS, Crohn's disease, osteoporosis, rheumatoid arthritis or obesity.
- IPDE4 also has particularly beneficial central effects for the treatment of depression, anxiety, schizophrenia, bipolar disorder, attention deficit disorder, fibromyalgia, Parkinson's and Alzheimer's disease , amyotrophic sclerosis, multiple sclerosis, dementia of Lewy bodies and other psychiatric disorders.
- International application WO 99/67247 describes pyrazolotriazines, CRF antagonists, corresponding to the general formula:
- the group in position 8 is necessarily aromatic and is chosen from phenyl, naphthyl, pyridyl, pyrimidyl, triazinyl, furanyl, thienyl, benzothienyl, benzofuranyl, 2,3-dihydrobenzofuranyl, 2,3-dihydrobenzothienyl, indanyl, 1,2- benzopyranyl, 3,4-dihydro-1,2,2-benzopyranyl, tetralinyl.
- the international application WO 9803510 therefore does not disclose pyrazolo [1,5- ⁇ ] -1,3,5-triazines identical to those claimed in the present invention.
- R 4 is a hydrogen atom or a C 1-4 alkyl group.
- R is necessarily a heterocycle directly attached to position 8 of the pyrazolotriazine ring
- Ri and R 2 represent alkyl or hydrogen
- R 3 is chosen from a hydrogen atom, an alkyl, alkanoyl, carbamoyl or N-alkylcarbamoyl group .
- PDE4 inhibitors with pyrazolo structure [l, 5-] -l, 3,5-triazine are described in a thesis from the University of France I: Pierre Raboisson, "Development of Phosphodiesterase 4 inhibitors and conception of 'P2Y purinergic antagonists] from adenine derivatives and their structural analogues "27 November 2000.
- strong inhibitors have been developed against bovine PDE4, no data concerning: (i) the activity of these molecules on human PDE4, (ii) the absence of an emetic effect of these compounds on an animal model or (iii) proof of efficacy on an asthma model or other model of inflammatory or autoimmune disease, (iv) selectivity of these compounds with respect to PDE6, has not been reported.
- the compounds according to the invention are capable of increasing the synthesis and / or the release of one or more endogenous neurotrophic factors. Certain compounds according to the invention are also endowed with PDE2 or PDE4 inhibitory properties.
- the invention therefore relates to compounds corresponding to the general formula (I) in which: A represents C or N,
- B and D are chosen from N or C, provided that A and B do not simultaneously represent a nitrogen atom, Ri represents either a hydrogen atom,
- R 2 and R 3 it being understood that in the definition of the groups R 2 and R 3 , the "aryl” groups can be replaced by "heterocycles" in C - do, aromatic or not, comprising from 1 to 3 heteroatoms;
- R x is necessarily different from aryl and aralkyl.
- R y is necessarily different from aryl and aralkyl.
- R 3 is different from a (Ci. C 10 ) alkyl, (C 2 _C 10 ) alkenyl, (C 2- C 1 o) alkynyl, (C 3- C 8 ) cycloalkyl and (C 3 .. C 6 ) cycloalkyl) (Ci_C 4 ) alkyl , the latter possibly being substituted.
- R 3 in formula (Ib) represents a phenyl or pyridyl group, optionally substituted, then Y is different from:
- R 3 in formula (Ib) represents a phenyl, naphthyl, pyridyl, pyrimidyl, triazinyl, furanyl, thienyl, benzothienyl, benzofuranyl group, 2,3-dihydrobenzofuranyl, 2,3-dihydrobenzothienyl, indanyl, 1,2-benzopyranyl, 3,4-dihydro-1,2-benzopyranyl, tetralinyl, then Ri in the formula (la) is different from H.
- R represents a heterocycle directly attached to position 8 of the pyrazolotriazine ring, that R 2 represents alkyl or hydrogen, and that Y represents a group NR x R y , R x being chosen from a hydrogen atom or an alkyl group, then R y is different from H or an alkyl, alkanoyl, carbamoyl or N-alkylcarbamoyl group.
- ⁇ R x R y in formula (Ib) represents an NH 2 group or an NH (C ⁇ , C 4 ) alkyl group, then t is different from a hydrogen atom or a Ci-d alkyl group.
- R 3 is different from benzyl, phenyl, naphthyl, (2-naphthyl) methyl, pentyl, benzoyl, propyne, penten-1-yl, 2-furyl, 2-thienyl, 2-chlorophenyl, 3-acetylphenyl, 3-nitrophenyl, 3-trifluoromethylphenyl, 2-benzo [b] furyl, 2-benzo [b] thienyl, 2-chlorobenzoyl, 2-methylaminobenzoyl, 4-methoxybenzoyl, 3-trifluoromethylbenzoyl, furfuryl, (3-furyl) methyl, (2-thienyl) methyl, 2-hydroxypropyl, iodo, nitro, acetylamino, benzoylamino, and diethylamin
- Y represents NHCH 3 , that i represents H, and that R 3 represents benzoyl or iodo, then R 2 is different from methyl, ethyl, "-propyl, n-butyl, thiomethyl, methoxymethyl, phenyl, and 2-furyl.
- Y represents NHCH 3 , that * represents H, and that R 3 represents benzyl or 2-methoxybenzyl, then R 2 is different from methyl, / z-propyl, trifluoromethyl.
- Y represents a methylamino, benzylamino, pyrrolidinyl, dimethylamino or 1-piperazinyl group
- R 2 represents methyl or n-propyl
- R 3 is different from iodo and benzoyl.
- R 3 is different from a hydrogen atom or a (Ci-C 4 ) alkyl group.
- R ⁇ is a hydrogen atom with R chosen from CH 3 , C 2 H 5 , or C 6 H 5 ; that R 3 is chosen from H, C 6 H 5 , (m) CH 3 C 6 H, CN, COOEt, Cl, I, or Br; and that i represents H, C 6 H 5 ,
- Ri represents H
- R 3 represents Br or H and R is chosen from H, CH 3 or SCH 3 with Ri equal to C 6 H 5 or H
- Y is different from SCH 3 , NH (rz-Pr), NH ( ⁇ -Bu), N (Et) 2 , piperidyl, OH, SH, 0 (i-
- the compounds correspond to formula (I) in which A is a carbon atom, and B and D are nitrogen atoms, the 6-link heterocycle thus formed being a 1,3,5-triazine.
- the 6-link heterocycle is a pyrimidine, for example a uracil or cytosine derivative.
- the carbon atom C4 can be advantageously replaced by a nitrogen atom in the following case: when the compounds correspond to the formula (I) in which A is a carbon atom and B is a nitrogen atom.
- the 6-link heterocycle thus formed is a 1,2,4-triazine.
- These compounds are particularly advantageous when the fused cycle at 5 links is an imidazole.
- the bicycle of formula (I) will be an imidazotriazine.
- Ri, R 2 , R 3 , X and Y are as defined above, and Ri represents:
- R 'and R independently of one another, being chosen from the hydrogen atom, a (dC 6 ) alkyl group, (C 3 - C 6 ) cycloalkyle, (C 6 -C 12 ) aryl, and a heterocycle in (C 5 -C 12 ), aromatic or not, comprising 1 to 3 heteroatoms, said formulas (la) and (Ib) being able to be between them tautomeric forms according to the definition of R 1; of X and of Y provided that:
- R in formula (Ib) represents a phenyl, naphthyl, pyridyl, pyrimidyl, triazinyl, furanyl, thienyl, benzothienyl, benzofuranyl, 2,3-dihydrobenzofuranyl, 2,3-dihydrobenzothienyl, indanyl, 1,2-benzopyranyl group, 3,4-dihydro-1,2-benzopyranyl, tetralinyl, then Ri in formula (la) is different from H.
- R 3 represents a heterocycle directly attached to position 8 of the pyrazolotriazine ring, that R 2 represents alkyl or hydrogen, and that Y represents a group NR x R y , R x being chosen from a hydrogen atom or an alkyl group, then R y is different from H or an alkyl, alkanoyl, carbamoyl or N-alkylcarbamoyl group.
- R 2 is different from methyl, ethyl, / 7-propyl, rc-butyl, thiomethyl, methomethyl, phenyl, and 2-furyl.
- Y represents NHCH 3 , that i represents H, and that R 3 represents benzyl or 2-methoxybenzyl, then R 2 is different from methyl, "-propyl, trifluoromethyl.
- Y represents a methylammo, benzylamino, pyrrolidinyl, dimethylammo or 1-piperazinyl group, and when R 2 represents methyl or n-propyl, then R 3 is different from iodo and benzoyl.
- Y represents a methylamino, benzylamino, pyrrolidinyl, dimethylamino or 1-piperazinyl group
- R 2 represents methyl or n-propyl
- R 3 is different from iodo and benzoyl.
- R 3 is different from a hydrogen atom or from a (dC 4 ) alkyl group.
- i is a hydrogen atom with R chosen from CH 3 , C 2 H 5 , or C 6 H 5 ; that R 3 is chosen from H, C 6 H 5 , ( ⁇ jCHsdF i, CN, COOEt, Cl, I, or Br; and that i represents H, C 6 H 5 ,
- Ri represents H
- R 3 represents Br or H
- R 2 is chosen from H, CH 3 or SCH 3 with i equal to Hs or H
- Y is different from SCH 3
- NH "- Bu”
- N (Et) 2 piperidyle
- OH OH
- SH O (t-
- Ri represents either a hydrogen atom or a (dC 12 ) alkyl group
- R represents either a hydrogen or sulfur atom, or a group (Ci-C 6 ) alkyl, either a trifluoro (C ⁇ -C 6 ) alkyl group, or an amino group, or an SR x group where R x is as defined above,
- R represents either a hydrogen atom or a halogen atom or a nitro group (Ci-C 6 ) alkyl, trifluoro (C ⁇ -C 6 ) alkyl, acyl, (C 2 -C 6 ) alkenyl, ( C 2 -C 6 ) alkynyl, (C 6 -C 18 ) aryl, (CH 2 ) favorCONH- (CH 2 ) m aryl, (CH 2 ) n SO 2 NH- (CH 2 ) m aryl,
- Ri represents a hydrogen atom
- X represents an oxygen or sulfur atom
- Y represents either a halogen atom or a (dC 6 ) alkyl, (C 2 -C 6 ) alkynyl, phenyl, OR x , SR x or NR x R y group in which R x and R y are as defined above.
- Ri represents a hydrogen atom or a methyl group
- R 2 represents a hydrogen or sulfur atom, a methyl, propyl, trifluoromethyl, amino or thiomethyl group
- Y represents an OH, SH, N-methyl-N-phenylamino ( ⁇ PhCH 3 ), N-methyl-N- (4-acylaminophenyl) amino or triazole group.
- Y represents a methylamino or cyclopropylammo group
- R represents an iodine or sulfur atom, a methyl, propyl, cyclopropyl, perfluoroethyl, perfluoropropyl, trifluoromethyl, allyl, trifluoromethylvinyl, vinyl, 1-propynyl or ethynyl group
- R 1 represents a hydrogen or fluorine atom.
- R 3 will for example be chosen from an iodine atom, a benzyl, 2-methoxybenzyl, 2-fluorobenzyl, 2-bromobenzoyl, furfuryl, 2-furylcarbonyl, 3-furylmethyl, 2-thienylmethyl group. , 3-thienylmethyl, 2-pyridylmethyl, 2-chlorobenzoyl, cyclopentyl, and cyclohexyl.
- the compounds of the invention may be in the form of salts, in particular basic or acid addition salts, preferably compatible with pharmaceutical use.
- 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.
- pharmaceutically acceptable bases non-limiting mention may be made of sodium hydroxide, potassium hydroxide, triethylamine, tert-butylamine, etc.
- the compounds of the invention can also have one or more asymmetric center (s) and can be isolated in optically active form or in the form of their racemic mixture.
- asymmetric center s
- the methods making it possible to obtain optically active forms, for example by resolution of a racemic form or by synthesis using racemic starting materials are well known to those skilled in the art.
- At least one of the atoms of the molecules described can be replaced by an isotope (atom which has the same atomic number but a different mass).
- an isotope atom which has the same atomic number but a different mass.
- the term "alkyl” designates a linear or branched hydrocarbon radical advantageously having from 1 to 6 carbon atoms, such as methyl, ethyl, propyl, isopropyl, butyl, isobutyl, tert-butyl, pentyl, neopentyl, n-hexyl.
- C ⁇ -C 4 groups are preferred.
- the alkyl groups can be substituted by an aryl group as defined below, in which case we speak of an arylalkyl group.
- arylalkyl groups include benzyl and phenethyl.
- cycloalkyl designates a cyclic hydrocarbon system, which can advantageously comprise from 3 to 6 carbon atoms and be mono- or polycyclic. Mention may in particular be made of cyclopropyl and cyclohexyl groups.
- alkenyl groups are linear, branched or cyclic hydrocarbon radicals comprising one or more double bonds. They advantageously contain from 2 to 6 carbon atoms and, preferably, one or two double bonds.
- the alkenyl groups can be substituted by an aryl group as defined below, in which case we speak of an arylalkenyl group.
- alkynyl groups are linear or branched hydrocarbon radicals comprising one or more triple bonds. They advantageously contain from 2 to 6 carbon atoms and, preferably, one or two triple bonds.
- the alkynyl groups can be substituted by an aryl group as defined below, in which case we speak of an arylalkynyl group.
- alkoxy groups correspond to the alkyl and cycloalkyl groups defined above linked to the nucleus via an —O— (ether) bond. Particularly preferred are methoxy, ethoxy, n-propyloxy, z ' -propyloxy, zz-butoxy, .y-butoxy, t-butoxy, "-pentoxy, and s-pentoxy groups.
- acyl groups correspond to the alkyl, cycloalkyl and aryl groups defined above linked to the nucleus via a —CO bond.
- acyl groups mention may in particular be made of acetyl, propionyl, cyclohexylcarbonyl and benzoyl groups.
- the “aryl” groups are mono-, bi- or tri-cyclic aromatic hydrocarbon systems, preferably monocyclic or bi-cyclic aromatic hydrocarbon systems having from 6 to 18 carbon atoms, even more preferably 6 carbon atoms. Mention may be made, for example, of the phenyl, naphthyl and bi-phenyl groups.
- the “heteroaryl” groups denote aromatic hydrocarbon systems as defined above comprising one or more cyclic heteroatoms. They are preferably cyclic aromatic hydrocarbon systems comprising from 5 to 18 carbon atoms and one or more cyclic heteroatoms, in particular from 1 to 4 cyclic heteroatoms chosen from N, O or S.
- heteroaryl groups mention may be made in particular benzothienyl, benzofuryl, pyrrolidinyl, thiazolyl, thienyl, furyl, pyranyl, pyrrolyl, 2H-pyrrolyl, imidazolyl, benzymidazolyl, pyrazolyl, isothiazolyl, isoxiazolyl and indolyl groups, this list not being exhaustive.
- the aryl and heteroaryl groups can be substituted by an alkyl, alkenyl or alkynyl group as defined above. In the case of an aryl or a heteroaryl substituted by an alkyl group, we speak of an alkylaryl group.
- Examples of an alkylaryl group include tolyl, mesythyl and xylyl.
- an aryl or a heteroaryl substituted by an alkenyl group we speak of an alkenylaryl group.
- Examples of an alkenylaryl group are in particular the cinnamyl group.
- an aryl or a heteroaryl substituted by an alkynyl group we speak of an alkynylaryl group.
- heterocycles designate aromatic or non-aromatic hydrocarbon systems comprising one or more cyclic heteroatoms. They are preferably cyclic hydrocarbon systems comprising from 5 to 18 carbon atoms and one or more cyclic heteroatoms, in particular from 1 to 4 cyclic heteroatoms chosen from N, O or S.
- cyclic hydrocarbon systems comprising from 5 to 18 carbon atoms and one or more cyclic heteroatoms, in particular from 1 to 4 cyclic heteroatoms chosen from N, O or S.
- morpholine piperazine, piperidine, tetrahydrofuran, oxazolidine, isoxazoline, this list is not exhaustive.
- halogen is meant a fluorine, chlorine, bromine or iodine atom.
- heteroatom an atom chosen from O, N and S.
- the compounds according to the invention are capable in particular of increasing the synthesis and / or the release of neurotrophic factors
- NGF nerve growth factor
- NT-3 NT-3
- BDNF brain-derived neurotrophic factor
- CNTF neurotrophic factor ciliary
- bFGF basic fibroblast growth factor
- neurotrophin-3 protein S-100 beta (Rathbone, MP et al. Prog. Neurobiol. (1999), 59, 663-690), as well as d other neurotrophic factors involved in the survival and regeneration of sensory or motor neurons.
- neurotrophic factor This increase in the synthesis and / or release of neurotrophic factor (s) is the consequence of a modulation of guanylate cyclase dependent on carbon monoxide and / or of the inhibition of a phosphodiesterase. In both cases, an increase in intracellular cGMP levels will be observed.
- the compounds according to the invention can act on one or the other enzyme (guanylate cyclase or phosphodiesterase) or combine a simultaneous action on these two targets. In the latter case, a synergistic action will be obtained and will result in a strong intracellular increase in cGMP possibly associated with an increase in cAMP.
- a mixed phosphodiesterase inhibitor that is to say an inhibitor acting on at least two different families of phosphodiesterase (in particular PDE2 and PDE4) will be preferred.
- a phosphodiesterase type 4 inhibitor PDE4 will treat the inflammatory component relating to the targeted conditions or pathologies.
- This anti-inflammatory effect is in particular the consequence of a large dose-dependent reduction in the production of necrotizing factor for alpha-type tumors (TNF-a) by pro-inflammatory cells.
- a PDE4 inhibitor will also treat depression, dementia or even anxiety.
- Certain molecules according to the invention are powerful and selective inhibitors of phosphodiesterase type 4 (PDE4), which may act simultaneously or not, on the increase in the synthesis and the release of one or more neurotrophic factors. These PDE4 inhibitors have demonstrated a marked anti-inflammatory effect which can advantageously be used for the treatment and prevention of inflammatory and autoimmune diseases.
- PDE4 phosphodiesterase type 4
- PDE4 inhibitors are particularly useful for the treatment of asthma and chronic obstructive pulmonary disease, but also other conditions such as rhinitis, acute respiratory distress syndrome, allergies, dermatitis, psoriasis, l arthritis, multiple sclerosis (including multiple sclerosis), dyskinesias, glomerulonephritis, osteoarthritis, cancer, septic shock, AIDS, Crohn's disease, osteoporosis or rheumatoid arthritis, or obesity.
- IPDE4 also has particularly beneficial central effects for the treatment of depression, anxiety, schizophrenia, bipolar disorder, attention deficit disorder, fibromyalgia, Parkinson's and Alzheimer's disease , amyotrophic sclerosis, multiple sclerosis, dementia of Lewy bodies and other psychiatric disorders.
- the new PDE4 inhibitors are advantageously devoid of an emetic and hypotensive effect.
- Certain compounds of the invention are advantageously endowed with anti-inflammatory effects, immunomodulatory, neurological, antimicrobial, antiviral or even cardiovascular effects. These properties associated with the main activity may be due to a pharmacophore different from that allowing to generate the main property.
- the combination of these two properties within the same molecule is particularly advantageous for the treatment of Alzheimer's and Parkinson's diseases, AIDS, diabetes, as well as memory disorders, in particular those linked to senescence.
- an inhibitory property of PDE, kinins dependent on cyclins, monoaminooxygenase or the 'multidrug' transporter will make it possible to obtain these associated properties.
- the compounds according to the invention are also advantageously endowed with an excellent central tropism and advantageously devoid of hyperalgic and proinflammatory effect. Other compounds are advantageously devoid of central effects and penetrate the central nervous system very weakly.
- the invention also relates to processes for the preparation of the compounds of formula (I).
- the compounds of the invention can be prepared from commercial products, using a combination of chemical reactions known to those skilled in the art.
- the compounds of general formula (Ib) according to the invention in which Y is different from chlorine and bromine can be obtained from a compound of formula (Ib) in which Y is a chlorine or bromine atom by implementing the following methods:
- Y in the formula of the final product (Ib) is a group (C ⁇ -C 6 ) alkyl
- Y in the formula of the final product (Ib) is a group (C ⁇ -C 6 ) alkyl
- YLi a group (C ⁇ -C 6 ) alkyl
- a compound of formula YLi in an anhydrous solvent at a temperature between -80 and -20 ° C, preferably around -78 ° C.
- solvent mention may be made of ethers, in particular tetrahydrofuran.
- Y in the formula of the final product (Ib) is an (C 6 -C 12) aryl group
- an aromatic compound for example NN-dimethylaniline at a temperature between 80 and 130 ° C, preferably around 120 ° C and in a sealed tube.
- a polar aprotic solvent for example chloroform.
- Y in the formula of the final product (Ib) is a hydroxyl group (OH)
- a hydroxide for example sodium hydroxide
- a protic solvent at a temperature between -10 and 100 ° C. , preferably around 25 ° C.
- solvent there may be mentioned alcohols, or alcohol-water mixtures, in particular ethanol or the ethanol-water mixture.
- the compounds of general formula (I) according to the invention in which Ri represents a (d-Cn) alkyl group can be prepared from the compounds of general formula (I) where Ri is equal to H, by an alkylation reaction using a base, and an alkylating agent. Mention may in particular be made, as base, of potassium carbonate and sodium hydride. Preferred alkylating agents are halides or epoxides. The presence of a phase transfer catalyst makes it possible, as the case may be, to improve the reaction yields.
- R 2 is as defined above and GP represents a leaving group, for example a halogen atom, a group (dC 4 ) alkoxy or a group fhio (C ⁇ -C 4 ) alkyl, to obtain a compound of formula (VI)
- Step b) is advantageously carried out in the presence of a base, for example sodium efhanolate, at a temperature of between 20 and 150 ° C., preferably around 100 ° C., when the dielectrophile used is carbonate d ethyl, for a period of between 3 and 48 hours, preferably around 24 hours.
- a base for example sodium efhanolate
- Nile a compound of general formula (Nile) is obtained, in which R 2 , R 3 and j are as defined above.
- the compounds of general formula (Ib) according to the invention can be obtained from a compound of formula (Nil), in which R 2 , R 3 and i are as defined below -before, by implementing the following methods:
- This compound (VIII) can be isolated or directly converted into a compound of general formula (Ib) in which Y is a group ⁇ R x R y , by reaction with an amine of formula HNR x R y , at room temperature.
- R 2 , R 3 and t are as defined above.
- Y in the formula of the final product (Ib) is an OH group
- a hydroxide for example sodium hydroxide
- a protic solvent at a temperature between 20 ° C and 130 ° C, preferably around 100 ° C.
- solvent mention may be made of ethanol.
- R 3 in the formula of the final product (Ib) is an acyl group
- reaction of an acid chloride preferably in the presence of a Lewis acid, at a temperature between 20 ° C and 80 ° C, preferably around 60 ° C with a compound of formula (IX) in which R 3 is a hydrogen atom.
- a Lewis acid preferably in the presence of a Lewis acid, at a temperature between 20 ° C and 80 ° C, preferably around 60 ° C with a compound of formula (IX) in which R 3 is a hydrogen atom.
- tin (IV) chloride mention may in particular be made of tin (IV) chloride.
- acylating agent of acid chlorides. This reaction is advantageously carried out in an organic solvent in the presence of a base.
- the compound of general formula (XII) is transformed into compounds of general formula (Ib) according to the invention by the action of a nucleophile of general formula YH or Y " , in which Y is as defined above.
- Y can by example be an amine of type HNR x R y or Penny hydroxide.
- the compounds of general formula (Ib) according to the invention can be obtained from a compound of formula (XIII)
- R x , R y , R 2 and R 4 are as defined above and Hal represents a halogen atom, preferably an iodine atom, by implementing the following methods:
- the compounds of general formula (la) or (Ib) where R 3 is an acyl group can be obtained according to the invention from a compound of formula (la) or (Ib) in which R 3 is a hydrogen atom, by reaction of an acid chloride, preferably in the presence of a Lewis acid, at a temperature between 20 ° C and 80 ° C, preferably around 60 ° C with a compound of formula (IX) in which R 3 is a hydrogen atom.
- This reaction is advantageously carried out in the absence of solvent.
- Lewis acids mention may in particular be made of tin (IV) chloride.
- the compounds of general formula (VII) can be prepared by reaction of a compound of general formula (XIV)
- Another subject of the invention is the use of at least one compound of formula (I) for the manufacture of a medicament intended to treat or prevent a human or animal disease for which an increase in synthesis and / or the release of neurotrophic factors is sought.
- the subject of the invention is also the use of at least one compound of formula (I), for the manufacture of a medicament intended to treat or prevent a human or animal disease for which an inhibition of at least one phosphodiesterase cyclic nucleotides chosen from PDE2 and PDE4 is sought.
- PDE4 inhibitors are advantageously devoid of an emetic effect and can advantageously be selective with respect to a PDE4 subtype chosen from PDE4A-D.
- the invention relates more particularly to the use of the compounds of formula (I) for the manufacture of a medicament intended to treat or prevent pathologies involving neuronal degeneration.
- the pharmaceutical compositions containing the compounds according to the invention in particular the substituted pyrazolo [1,5- ⁇ ] -1,3,5-triazines can be used in the treatment of neurodegenerative or neurological disorders of the central and peripheral systems, including age-related cognitive disorders, such as senility and Alzheimer's disease, nerve damage, prion diseases (including spongiform encephalopathies like Creutzfeldt-Jakob disease), peripheral neuropathies, including neuropathies associated with the administration of drugs (oncolytics %), Down syndrome, strokes and conditions with spasms such as epilepsy.
- age-related cognitive disorders such as senility and Alzheimer's disease, nerve damage, prion diseases (including spongiform encephalopathies like Creutzfeldt-Jakob disease)
- peripheral neuropathies including neuropathies associated with the administration of drugs (oncolytics ...), Down syndrome, strokes and conditions with spasms such as epilepsy.
- the compounds according to the invention are particularly advantageous in the treatment of pathologies or conditions in which the central or peripheral neuronal functions are impaired, and more particularly in states or diseases resulting from excessive neuronal death such as neurodegenerative disorders or neurological of the central and peripheral systems of chronic or acute nature.
- Mention may in particular be made, without limitation, of cognitive and mental disorders linked to age (in particular senility), Alzheimer's disease, Parkinson's disease, amyotrophic lateral sclerosis, Down syndrome, multiple sclerosis, Huntington's disease, stroke, peripheral neuropathy (including neuropathy associated with medication or diabetes), retinopathy (including retinitis pigmentosa), trauma (spinal injury, compression optic nerve following glaucoma and generally any lesion of central or peripheral nerves ...), or neuronal disorders caused by the action of chemicals, as well as disorders associated with these states or diseases which can be disorders secondary to the primary pathology. In many of the cases cited, it is most often the progressive death of motor neurons and / or sensitive neurons that will be the cause of the disorders observed.
- the pharmaceutical compositions containing the compounds according to the invention can be devoid of neurotrophic effect but act strongly as an inhibitor of PDE2 or PDE4 or combine a simultaneous action on these two enzymes (inhibitor of PDE2 / PDE4 mixed).
- These compounds are particularly useful for the treatment of inflammatory and auto-immune diseases. This treatment can also be administered as a preventive measure, to patients at risk of developing these same diseases.
- Certain compounds of the invention exhibit anti-inflammatory effects, immunomodulatory, neurological, antimicrobial, antiviral or even cardiovascular effects.
- the combination of these two properties within the same molecule is particularly advantageous for the treatment of Alzheimer's and Parkinson's diseases, AIDS, as well as memory disorders, in particular those linked to senescence.
- the compounds of the invention are also particularly advantageous for the treatment of pathologies of the central nervous system, such as more specifically depression, schizophrenia, bipolar disorder, attention deficit disorders, conditions with spasms such as epilepsy fibromyalgia, dementia of Lewy bodies (“Lewy body dementia”).
- pathologies of the central nervous system such as more specifically depression, schizophrenia, bipolar disorder, attention deficit disorders, conditions with spasms such as epilepsy fibromyalgia, dementia of Lewy bodies (“Lewy body dementia”).
- treatment designates both a preventive and a curative treatment, which can be used alone or in combination with other agents or treatments.
- it may be a treatment for chronic or acute disorders.
- the compounds or compositions according to the invention can be administered in different ways and in different forms.
- they can be administered by injectable or oral route, such as for example by intravenous, intramuscular, subcutaneous, trans-dermal, intra-arterial, etc. routes, the intravenous, intramuscular, subcutaneous and oral routes being preferred.
- the compounds are generally packaged in the form of liquid suspensions, which can be injected using syringes or infusions, for example.
- the compounds are generally dissolved in saline, physiological, isotonic, buffered solutions, etc., compatible with pharmaceutical use and are known to those skilled in the art.
- compositions may contain one or more agents or vehicles chosen from dispersants, solubilizers, stabilizers, preservatives, etc.
- Agents or vehicles which can be used in liquid and / or injectable formulations are in particular methylcellulose, hydroxymefhylcellulose, carboxymethylcellulose, polysorbate 80, mannitol, gelatin, lactose, vegetable oils, acacia, etc.
- the compounds can also be administered in the form of gels, oils, tablets, eye drops, 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 are administered in doses which can vary between 0.1 ⁇ g and 100 mg / kg of body weight, more generally from 0.01 to 50 mg / kg, typically between 0.1 and 50 mg / kg.
- doses which can vary between 0.1 ⁇ g and 100 mg / kg of body weight, more generally from 0.01 to 50 mg / kg, typically between 0.1 and 50 mg / kg.
- repeated injections can be given, if necessary.
- delayed or prolonged systems can be advantageous.
- Examples 1 to 3 relate to chemical synthesis and Examples 4-7 illustrate the pharmacological activity of the compounds of the invention.
- Figure 1 shows the effect of the Ia5 molecule on neurons in culture.
- the neurons are cultured in the Neurobasal medium from the fetal rat cerebral cortex according to the procedure described in Example 4 and are photographed without coloring 17 days after culturing.
- Culture A is a control culture without compound.
- the Ia5 molecule was added to the culture B on the 8th day after culturing at a concentration of 50 microM.
- Mp 159 ° C.
- N- (pyrazol-3-yl) trifluoroacetamidine acetate Vlb.
- Add under argon to a solution of 1.18 g of 3-aminopyrazole in 15 mL of CH 3 CN, 3.4 g of Sp-chlorophenyltrifluorothioacetimidate. After 5 minutes, add 812 ⁇ L of AcOH dropwise. After 8 hours, evaporate to dryness. Add 5 mL of Et 2 O and 30 mL of hexane. Leave under vigorous stirring for 30 minutes. Filter. Wash 2 times with 5 mL of hexane, then 2 times with 5 mL of H 2 O. M: 178.12. Yid 93%.
- Pf N- (pyrazol-3-yl) trifluoroacetamidine acetate
- This product can be transformed into 3- [4- (N-methyl-N-phenylammo) pyrazolo [1,5- ⁇ ] -1,3,5-triazin-8-yl] propionic acid (Ib7) by simple cleavage tert-butyl ester using trifluoroacetic acid in dichloromethane (Yield: 95%).
- 1,3,5-triazine (Ibl6).
- 312 mg (8.25 mmol, 9 eq) of sodium borohydride to 2 mL of trifluoroacetic acid.
- To this mixture and at 15 ° C. is added dropwise a solution of 8 - [(3-furyl) (hydroxy) methyl] -4- (N- methyl-N-phenylamino) -2-zz-propylpyrazolo [1 , 5- ⁇ ] -1,3,5-triazine (Ibl5) (333 mg, 0.92 mmol) in dichloromethane (5 mL).
- 1,3,5-triazine (Ib28). Add dropwise, under an inert atmosphere and at -78 ° C to a 550 mg solution of 4- (N-methyl-N-phenylamino) -8- ( ⁇ -Dg 'ceVo-pentofuran- 3'-ulos-1 '-yl) pyrazolo [1,5- ⁇ ] -1,3,5-triazme (Ib25) in 100 mL of anhydrous THF, 3.0 mL of KB [CH (CH 3 ) C 2 H 5 ] 3 H (K- selectride ® ). Leave to stir at -78 ° C for 30 minutes. Add 100 ⁇ L of acetic acid and bring back to room temperature.
- the idea is therefore to observe the behavior of a cell culture of neurons in the absence and presence of such molecules.
- Sprague Dawley rats are raised in the Laboratory until adulthood, three months after birth. They are fed ad libitum in rooms at a temperature of 22 ⁇ 2 ° C and where the light cycle is 12 hours of light (day) and 12 hours of darkness.
- the adult animals are mated and the rats are separated the next day.
- the pregnant rats undergo a cesarean section and the fetuses are placed in a 100 mm diameter petri dish. They are transferred to the laminar flow hood in a sterile environment.
- the fetuses are isolated in units and are dissected under a binocular microscope in a sterile environment.
- the cerebral cortex is isolated and put in a tube containing Neurobasal medium without antibiotic.
- the tissue is dissociated by suction-delivery into unit cells in a volume of 2 ml.
- the cell suspension is then gently deposited on 2 ml of inactivated fetal calf serum.
- the tube is centrifuged at low gravity (800 g) for 5 min at room temperature.
- the cell pellet is recovered and the cells are returned to suspension in complete Neurobasal medium.
- the cells are counted using a Mallassez hematimeter in the presence of trypan blue to determine cell viability.
- the culture takes place by adding 800,000 cells to dishes of
- the petri dishes containing the cells are then placed in the incubator.
- Neuron cultures as prepared above serve as controls. 5 boxes will be used in order to have a statistical approach.
- the molecule to be tested is added at different concentrations: 0.1 ⁇ mol / 1, 1 ⁇ mol / 1 and 10 ⁇ mol / 1. In each case, the manipulation is repeated 5 times.
- Neurons are photographed at various magnifications using a camera and compared between series.
- the presence of the molecule Ia5 on the neurons results in a greater development of the neurites than in the cells serving as control. There is a thickening and an elongation of the neurites in B compared to the control A (FIG. 1). It is also noted that adding supernatant of astrocyte culture contributes to increasing the density of neurites in the presence of the molecule, compared to the control.
- EXAMPLE 5 INHIBITION OF PHOSPHODIESTERASES OF CYCLIC NUCLEOTIDES.
- This new family of compounds has been tested as an inhibitor of human type 4 phosphodiesterase (source: U-937 cells) using the method described by Torphy, TJ, Zhou, HL and Cieslinski, LB (J. Pharmacol. Exp. Ther. , 1992, 263, 1195-1205).
- the concentration of substance which inhibits the enzymatic activity by 50% (IC 50 ) was determined at a substrate concentration ([ 3 H] cAMP + cAMP) equal to 1 ⁇ M, the incubation time being from 30 minutes to 30 ° C.
- a quantitative measurement of the hydrolysis product [H] -5'-AMP was determined by scintillation.
- the compounds are compared to control rolipram, which in this test has an IC 5 o 0.39 .mu.M.
- the most powerful compounds according to the invention have an IC 50 of between 20 nM and 0.01 nM.
- PDE1 bovine
- PDE3 human
- PDE5 human
- PDE6 bovine
- the selectivity coefficient is, for the most powerful compounds, greater than 100. Ideally, this coefficient is greater than 1000 or 10000 for the most powerful compounds of the invention. In some cases, molecules with similar activities for PDE2 and PDE4 have been obtained. These compounds, on the other hand, are selective with regard to the other types of PDE (PDE1, 3, 5, and 6).
- PDE1, 3, 5, and 6 ANTI-INFLAMMATORY PROPERTIES OF THE COMPOUNDS OF THE INVENTION
- the compounds according to the invention were evaluated for their anti-inflammatory properties on mononuclear venous blood cells (PBMC). More particularly, the cells were incubated for 24 hours in the presence of the tested molecule, after activation with lipopolysaccharide (LPS) (l ⁇ g / ml) following the protocol described by Schindler, R., Mancilla, J., Endres, S ., Ghorbani, R., Clark, SC and Dinarello, CA (Blood, 1990, 75, 40-47). After incubation, the concentrations of TNF ⁇ were measured in the culture supernatants by the EIA method.
- LPS lipopolysaccharide
- the compounds are compared to the dexamethasone control, which in this test has an IC 50 of 4.6 ⁇ M.
- the most powerful compounds according to the invention have an IC 50 of less than 1 ⁇ M, that is to say that they are notably more active than dexamethasone.
- Certain compounds of the invention have an IC 50 of between 100 nM and 1 nM on this test.
- the compound 4 - [[l- (oxo) -3- (4-oxopyrazolo [l, 5- ⁇ ] -l, 3,5-triazin-8-yl) propyl] amino] sodium benzoate (Ia5) protects neurons more than 70% at a concentration of 1 mM. Neuroprotective effect on a model of motor neuron apoptosis induced by peroxynitrite.
- the compound 4 - [[l- (oxo) -3- (4-oxopyrazolo [l, 5- ⁇ ] -l, 3,5-triazin-8-yl) propyl ] amino] sodium benzoate (Ia5) protects neurons more than 60% at a concentration of 1 mM.
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Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/522,497 US20060106019A1 (en) | 2002-07-26 | 2003-07-25 | Novel substituted pyrazolo[1,5 a]-1,3,5-triazine derivatives and their analogues, pharmaceutical compositions containing same, use thereof as medicine and methods for preparing same |
| AU2003273473A AU2003273473A1 (en) | 2002-07-26 | 2003-07-25 | Novel substituted pyrazolo(1,5 less thanigreater thanaless than/igreater than)-1,3,5-triazine derivatives and their analogues, pharmaceutical compositions containing same, use thereof as medicine and methods for preparing same |
| JP2004523885A JP4794856B2 (ja) | 2002-07-26 | 2003-07-25 | 新規置換ピラゾロ〔1,5‐a〕‐1,3,5‐トリアジン誘導体およびそれらの類似体、それを含有した医薬組成物、医薬品としてのその使用、およびその製造方法 |
| CA2493402A CA2493402C (fr) | 2002-07-26 | 2003-07-25 | Nouvelles pyrazolo[1,5-a]-1,3,5-triazines substituees et leurs analogues, compositions pharmaceutiques les contenant, utilisation a titre de medicament et procedes pour leur preparation |
| EP03755633A EP1525205A2 (fr) | 2002-07-26 | 2003-07-25 | Nouvelles pyrazolo(1,5-a)-1,3,5-triazines substituees et leurs analogiques, compositions pharmaceutiques les contenant, utilisation a titre de medicament et procedes pour leur preparation |
| US12/315,201 US20090105261A1 (en) | 2002-07-26 | 2008-12-01 | Novel substituted pyrazolo[1,5<I>A</I>]-1,3,5-Triazine derivatives and their analogues, pharmaceutical compositions containing same, use thereof as medicine and methods for preparing same |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0209519A FR2842809A1 (fr) | 2002-07-26 | 2002-07-26 | NOUVELLES PYRAZOLO[1,5-a]-1,3,5-TRIAZINES SUBSTITUEES ET LEURS ANALOGUES, COMPOSITIONS PHARMACEUTIQUES LES CONTENANT, UTILISATION A TITRE DE MEDICAMENT ET PROCEDES POUR LEUR PREPARATION |
| FR02/09519 | 2002-07-26 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US12/315,201 Continuation US20090105261A1 (en) | 2002-07-26 | 2008-12-01 | Novel substituted pyrazolo[1,5<I>A</I>]-1,3,5-Triazine derivatives and their analogues, pharmaceutical compositions containing same, use thereof as medicine and methods for preparing same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| WO2004011464A2 true WO2004011464A2 (fr) | 2004-02-05 |
| WO2004011464A3 WO2004011464A3 (fr) | 2004-08-26 |
Family
ID=30011521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/FR2003/002354 WO2004011464A2 (fr) | 2002-07-26 | 2003-07-25 | Nouvelles pyrazolo[1,5-a]-1,3,5-triazines substituees et leurs analogiques, compositions pharmaceutiques les contenant, utilisation a titre de medicament et procedes pour leur preparation |
Country Status (7)
| Country | Link |
|---|---|
| US (2) | US20060106019A1 (fr) |
| EP (1) | EP1525205A2 (fr) |
| JP (1) | JP4794856B2 (fr) |
| AU (1) | AU2003273473A1 (fr) |
| CA (1) | CA2493402C (fr) |
| FR (1) | FR2842809A1 (fr) |
| WO (1) | WO2004011464A2 (fr) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004072078A1 (fr) * | 2003-02-04 | 2004-08-26 | Universite Louis Pasteur | Derives de pyrazolotriazine, procedes de preparation et utilisations |
| WO2004073711A3 (fr) * | 2003-02-19 | 2005-04-14 | Exonhit Therapeutics Sa | Methodes impliquant la pde4, compositions et leur criblage pour le traitement de pathologies neurodegeneratives oculaires |
| JP2007523953A (ja) * | 2004-02-25 | 2007-08-23 | シェーリング コーポレイション | キナーゼインヒビターとしてのピラゾロトリアジン |
| WO2010103486A1 (fr) | 2009-03-11 | 2010-09-16 | Centre National De La Recherche Scientifique | Derives de pyrazolo[1,5-a]-1,3,5-triazines, leur preparation et leur application en therapeutique |
| WO2019154294A1 (fr) * | 2018-02-06 | 2019-08-15 | 江苏恒瑞医药股份有限公司 | Dérivé de pyrazolo[1,5-a][1,3,5]triazine-2-amine, son procédé de préparation et son utilisation médicale |
| CN112028891A (zh) * | 2019-07-30 | 2020-12-04 | 杭州阿诺生物医药科技有限公司 | 腺苷受体拮抗剂 |
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| UY28213A1 (es) * | 2003-02-28 | 2004-09-30 | Bayer Pharmaceuticals Corp | Nuevos derivados de cianopiridina útiles en el tratamiento de cáncer y otros trastornos. |
| US8518931B2 (en) * | 2008-04-07 | 2013-08-27 | Irm Llc | Compounds and compositions as kinase inhibitors |
| MX2011007842A (es) * | 2009-01-24 | 2012-01-12 | Phytopharm Plc | Tratamiento de trastornos mediados por factores neurotroficos. |
| US20110207736A1 (en) * | 2009-12-23 | 2011-08-25 | Gatekeeper Pharmaceuticals, Inc. | Compounds that modulate egfr activity and methods for treating or preventing conditions therewith |
| WO2013179289A1 (fr) | 2012-05-31 | 2013-12-05 | Bio-Lab Ltd. | Analogues de pyrazolotriazolyl-nucléosides et oligonucléotides les comprenant |
| JP6377068B2 (ja) | 2012-11-16 | 2018-08-22 | ユニバーシティ・ヘルス・ネットワーク | ピラゾロピリミジン化合物 |
| CN109071467B (zh) * | 2016-03-09 | 2023-04-04 | 艾丽奥斯生物制药有限公司 | 无环抗病毒药 |
| CN110621676B (zh) | 2017-05-22 | 2024-02-09 | 托帕杜制药公司 | 可溶性鸟苷酸环化酶激活剂和磷酸二酯酶抑制剂的双重作用模式及其用途 |
| CN113801119B (zh) * | 2021-08-30 | 2022-09-30 | 新乡医学院 | 一种吡唑并[1,3,5]三嗪类化合物的合成方法 |
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| EP1218381B1 (fr) * | 1999-09-30 | 2006-12-06 | Neurogen Corporation | PYRAZOLO¬1,5-a|-1,5-PYRIMIDINES ET PYRAZOLO¬1,5-a|-1,3,5-TRIAZINES AMINO SUBSTITUEES |
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-
2002
- 2002-07-26 FR FR0209519A patent/FR2842809A1/fr active Pending
-
2003
- 2003-07-25 CA CA2493402A patent/CA2493402C/fr not_active Expired - Fee Related
- 2003-07-25 AU AU2003273473A patent/AU2003273473A1/en not_active Abandoned
- 2003-07-25 JP JP2004523885A patent/JP4794856B2/ja not_active Expired - Fee Related
- 2003-07-25 WO PCT/FR2003/002354 patent/WO2004011464A2/fr active Application Filing
- 2003-07-25 EP EP03755633A patent/EP1525205A2/fr not_active Withdrawn
- 2003-07-25 US US10/522,497 patent/US20060106019A1/en not_active Abandoned
-
2008
- 2008-12-01 US US12/315,201 patent/US20090105261A1/en not_active Abandoned
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004072078A1 (fr) * | 2003-02-04 | 2004-08-26 | Universite Louis Pasteur | Derives de pyrazolotriazine, procedes de preparation et utilisations |
| WO2004073711A3 (fr) * | 2003-02-19 | 2005-04-14 | Exonhit Therapeutics Sa | Methodes impliquant la pde4, compositions et leur criblage pour le traitement de pathologies neurodegeneratives oculaires |
| US7872015B2 (en) | 2003-02-19 | 2011-01-18 | Exonhit Therapeutics Sa | Methods involving PDE4, compositions, and the screening thereof, for the treatment of degenerative ocular pathologies |
| JP2007523953A (ja) * | 2004-02-25 | 2007-08-23 | シェーリング コーポレイション | キナーゼインヒビターとしてのピラゾロトリアジン |
| JP2010180247A (ja) * | 2004-02-25 | 2010-08-19 | Schering Corp | キナーゼインヒビターとしてのピラゾロトリアジン |
| WO2010103486A1 (fr) | 2009-03-11 | 2010-09-16 | Centre National De La Recherche Scientifique | Derives de pyrazolo[1,5-a]-1,3,5-triazines, leur preparation et leur application en therapeutique |
| US8691982B2 (en) | 2009-03-11 | 2014-04-08 | Centre National De La Recherche Scientifique | Pyrazolo[1,5-a]-1,3,5-triazine derivatives, preparation thereof, and therapeutic use thereof |
| WO2019154294A1 (fr) * | 2018-02-06 | 2019-08-15 | 江苏恒瑞医药股份有限公司 | Dérivé de pyrazolo[1,5-a][1,3,5]triazine-2-amine, son procédé de préparation et son utilisation médicale |
| CN112028891A (zh) * | 2019-07-30 | 2020-12-04 | 杭州阿诺生物医药科技有限公司 | 腺苷受体拮抗剂 |
| CN112608316A (zh) * | 2019-07-30 | 2021-04-06 | 杭州阿诺生物医药科技有限公司 | 一种吡唑并三嗪类腺苷受体拮抗剂 |
| CN112028891B (zh) * | 2019-07-30 | 2022-07-05 | 厦门宝太生物科技股份有限公司 | 腺苷受体拮抗剂 |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2004011464A3 (fr) | 2004-08-26 |
| JP4794856B2 (ja) | 2011-10-19 |
| AU2003273473A8 (en) | 2004-02-16 |
| AU2003273473A1 (en) | 2004-02-16 |
| US20060106019A1 (en) | 2006-05-18 |
| CA2493402C (fr) | 2012-05-01 |
| JP2006502999A (ja) | 2006-01-26 |
| US20090105261A1 (en) | 2009-04-23 |
| FR2842809A1 (fr) | 2004-01-30 |
| EP1525205A2 (fr) | 2005-04-27 |
| CA2493402A1 (fr) | 2004-02-05 |
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