EP2061785A2 - Compose pyridaziniques et pyrroliques lineaires, procedes d'obtention et applications - Google Patents
Compose pyridaziniques et pyrroliques lineaires, procedes d'obtention et applicationsInfo
- Publication number
- EP2061785A2 EP2061785A2 EP07823345A EP07823345A EP2061785A2 EP 2061785 A2 EP2061785 A2 EP 2061785A2 EP 07823345 A EP07823345 A EP 07823345A EP 07823345 A EP07823345 A EP 07823345A EP 2061785 A2 EP2061785 A2 EP 2061785A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- pyridin
- pyridazine
- carbons
- group
- formula
- 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- Withdrawn
Links
- 238000000034 method Methods 0.000 title claims abstract description 86
- 230000008569 process Effects 0.000 title claims abstract description 41
- PBMFSQRYOILNGV-UHFFFAOYSA-N pyridazine Chemical compound C1=CC=NN=C1 PBMFSQRYOILNGV-UHFFFAOYSA-N 0.000 title claims description 49
- 150000003233 pyrroles Chemical class 0.000 title abstract description 9
- 150000001875 compounds Chemical class 0.000 claims abstract description 166
- 230000009467 reduction Effects 0.000 claims abstract description 49
- KAESVJOAVNADME-UHFFFAOYSA-N Pyrrole Chemical compound C=1C=CNC=1 KAESVJOAVNADME-UHFFFAOYSA-N 0.000 claims abstract description 45
- 239000003814 drug Substances 0.000 claims abstract description 23
- 206010028980 Neoplasm Diseases 0.000 claims abstract description 7
- 201000011510 cancer Diseases 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims abstract description 7
- 208000030852 Parasitic disease Diseases 0.000 claims abstract description 5
- 125000000217 alkyl group Chemical group 0.000 claims description 81
- -1 -COOR1 Chemical group 0.000 claims description 60
- 238000005868 electrolysis reaction Methods 0.000 claims description 60
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 claims description 58
- 125000003545 alkoxy group Chemical group 0.000 claims description 54
- 229910052739 hydrogen Inorganic materials 0.000 claims description 46
- 239000001257 hydrogen Substances 0.000 claims description 44
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims description 44
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 43
- 150000002367 halogens Chemical class 0.000 claims description 42
- 229910052736 halogen Inorganic materials 0.000 claims description 41
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 39
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 33
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims description 31
- 239000002904 solvent Substances 0.000 claims description 31
- AJDKUDBNUISPHP-UHFFFAOYSA-N 3-pyridin-2-yl-6-(6-pyridin-2-ylpyridazin-3-yl)pyridazine Chemical compound N1=CC=CC=C1C1=CC=C(C=2N=NC(=CC=2)C=2N=CC=CC=2)N=N1 AJDKUDBNUISPHP-UHFFFAOYSA-N 0.000 claims description 28
- QTBSBXVTEAMEQO-UHFFFAOYSA-N acetic acid Substances CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 27
- 238000010168 coupling process Methods 0.000 claims description 27
- 238000005859 coupling reaction Methods 0.000 claims description 27
- 230000008878 coupling Effects 0.000 claims description 26
- 125000002768 hydroxyalkyl group Chemical group 0.000 claims description 26
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 claims description 25
- 150000003973 alkyl amines Chemical group 0.000 claims description 24
- 239000002243 precursor Substances 0.000 claims description 22
- 238000002360 preparation method Methods 0.000 claims description 22
- 239000003446 ligand Substances 0.000 claims description 21
- MZRVEZGGRBJDDB-UHFFFAOYSA-N N-Butyllithium Chemical compound [Li]CCCC MZRVEZGGRBJDDB-UHFFFAOYSA-N 0.000 claims description 19
- 239000012074 organic phase Substances 0.000 claims description 19
- 238000009815 homocoupling reaction Methods 0.000 claims description 16
- 229910052759 nickel Inorganic materials 0.000 claims description 15
- AMFHCPNKSNMCGD-UHFFFAOYSA-N 3-chloro-6-pyridin-2-ylpyridazine Chemical compound N1=NC(Cl)=CC=C1C1=CC=CC=N1 AMFHCPNKSNMCGD-UHFFFAOYSA-N 0.000 claims description 14
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 14
- LIJSBIJJMXYTSM-UHFFFAOYSA-N 3-(1-ethoxyethenyl)-6-[6-(1-ethoxyethenyl)pyridazin-3-yl]pyridazine Chemical compound N1=NC(C(=C)OCC)=CC=C1C1=CC=C(C(=C)OCC)N=N1 LIJSBIJJMXYTSM-UHFFFAOYSA-N 0.000 claims description 13
- MYSYYTJAVDBWDG-UHFFFAOYSA-N 3-(6-methylpyridin-2-yl)-6-[6-(6-methylpyridin-2-yl)pyridazin-3-yl]pyridazine Chemical compound CC1=CC=CC(C=2N=NC(=CC=2)C=2N=NC(=CC=2)C=2N=C(C)C=CC=2)=N1 MYSYYTJAVDBWDG-UHFFFAOYSA-N 0.000 claims description 13
- 229910052742 iron Inorganic materials 0.000 claims description 13
- AJXCQFXCAPJFSG-UHFFFAOYSA-N 3-(6-methylpyridin-2-yl)-6-pyridin-2-ylpyridazine Chemical compound CC1=CC=CC(C=2N=NC(=CC=2)C=2N=CC=CC=2)=N1 AJXCQFXCAPJFSG-UHFFFAOYSA-N 0.000 claims description 12
- 229910052751 metal Inorganic materials 0.000 claims description 12
- 239000002184 metal Substances 0.000 claims description 12
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 12
- 125000004105 2-pyridyl group Chemical group N1=C([*])C([H])=C([H])C([H])=C1[H] 0.000 claims description 11
- ARFFEFBNLHNCRI-UHFFFAOYSA-N 3-methoxy-6-pyridin-2-ylpyridazine Chemical compound N1=NC(OC)=CC=C1C1=CC=CC=N1 ARFFEFBNLHNCRI-UHFFFAOYSA-N 0.000 claims description 11
- QNULVIXIJDFVMD-UHFFFAOYSA-N 6-(6-pyridin-2-ylpyridazin-3-yl)pyridine-2-carboxylic acid Chemical compound OC(=O)C1=CC=CC(C=2N=NC(=CC=2)C=2N=CC=CC=2)=N1 QNULVIXIJDFVMD-UHFFFAOYSA-N 0.000 claims description 11
- GXGIKOMMYOGCNN-UHFFFAOYSA-N 6-[6-(6-carboxypyridin-2-yl)pyridazin-3-yl]pyridine-2-carboxylic acid Chemical compound OC(=O)C1=CC=CC(C=2N=NC(=CC=2)C=2N=C(C=CC=2)C(O)=O)=N1 GXGIKOMMYOGCNN-UHFFFAOYSA-N 0.000 claims description 11
- 239000003054 catalyst Substances 0.000 claims description 11
- 238000007254 oxidation reaction Methods 0.000 claims description 11
- XBJLKXOOHLLTPG-UHFFFAOYSA-N 3-chloro-6-methoxypyridazine Chemical compound COC1=CC=C(Cl)N=N1 XBJLKXOOHLLTPG-UHFFFAOYSA-N 0.000 claims description 10
- 238000006619 Stille reaction Methods 0.000 claims description 10
- 239000003153 chemical reaction reagent Substances 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 claims description 10
- 230000003647 oxidation Effects 0.000 claims description 10
- JPJALAQPGMAKDF-UHFFFAOYSA-N selenium dioxide Chemical compound O=[Se]=O JPJALAQPGMAKDF-UHFFFAOYSA-N 0.000 claims description 10
- 239000011701 zinc Substances 0.000 claims description 10
- QNGQFQJHEQTUDX-UHFFFAOYSA-N 3-(4,6-dimethylpyridin-2-yl)-6-[6-(4,6-dimethylpyridin-2-yl)pyridazin-3-yl]pyridazine Chemical compound CC1=CC(C)=NC(C=2N=NC(=CC=2)C=2N=NC(=CC=2)C=2N=C(C)C=C(C)C=2)=C1 QNGQFQJHEQTUDX-UHFFFAOYSA-N 0.000 claims description 9
- VDQYGXVDRRYXPZ-UHFFFAOYSA-N 3-(6-bromopyridin-2-yl)-6-pyridin-2-ylpyridazine Chemical compound BrC1=CC=CC(C=2N=NC(=CC=2)C=2N=CC=CC=2)=N1 VDQYGXVDRRYXPZ-UHFFFAOYSA-N 0.000 claims description 9
- DDCLFSUBVBCSFN-UHFFFAOYSA-N 3-pyridin-2-yl-1h-pyridazin-6-one Chemical compound N1C(=O)C=CC(C=2N=CC=CC=2)=N1 DDCLFSUBVBCSFN-UHFFFAOYSA-N 0.000 claims description 9
- PBGWILRUXNFSGL-UHFFFAOYSA-N 3-chloro-6-(6-chloropyridazin-3-yl)pyridazine Chemical compound N1=NC(Cl)=CC=C1C1=CC=C(Cl)N=N1 PBGWILRUXNFSGL-UHFFFAOYSA-N 0.000 claims description 8
- HYBICQAZUMFLCJ-UHFFFAOYSA-N 3-methoxy-6-(6-methoxypyridazin-3-yl)pyridazine Chemical compound N1=NC(OC)=CC=C1C1=CC=C(OC)N=N1 HYBICQAZUMFLCJ-UHFFFAOYSA-N 0.000 claims description 8
- 239000007864 aqueous solution Substances 0.000 claims description 8
- 125000003118 aryl group Chemical group 0.000 claims description 8
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 8
- 229910052763 palladium Inorganic materials 0.000 claims description 8
- 229920006395 saturated elastomer Polymers 0.000 claims description 8
- KJXWCQMOAGYRAN-UHFFFAOYSA-N 3-(6-methylpyridin-2-yl)-6-[5-(6-methylpyridin-2-yl)-1h-pyrrol-2-yl]pyridazine Chemical compound CC1=CC=CC(C=2NC(=CC=2)C=2N=NC(=CC=2)C=2N=C(C)C=CC=2)=N1 KJXWCQMOAGYRAN-UHFFFAOYSA-N 0.000 claims description 7
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 7
- 125000004122 cyclic group Chemical group 0.000 claims description 7
- 125000004076 pyridyl group Chemical group 0.000 claims description 7
- 125000001424 substituent group Chemical group 0.000 claims description 7
- RKQFFEXQUVUOTC-UHFFFAOYSA-N 3-pyridin-2-yl-6-(5-pyridin-2-yl-1h-pyrrol-2-yl)pyridazine Chemical compound C=1C=C(C=2N=NC(=CC=2)C=2N=CC=CC=2)NC=1C1=CC=CC=N1 RKQFFEXQUVUOTC-UHFFFAOYSA-N 0.000 claims description 6
- 229910052757 nitrogen Inorganic materials 0.000 claims description 6
- 229910052725 zinc Inorganic materials 0.000 claims description 6
- 150000001768 cations Chemical class 0.000 claims description 5
- 125000004433 nitrogen atom Chemical group N* 0.000 claims description 5
- 230000008520 organization Effects 0.000 claims description 5
- PXQLVRUNWNTZOS-UHFFFAOYSA-N sulfanyl Chemical class [SH] PXQLVRUNWNTZOS-UHFFFAOYSA-N 0.000 claims description 5
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 claims description 4
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 4
- 238000006880 cross-coupling reaction Methods 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 4
- 125000003638 stannyl group Chemical group [H][Sn]([H])([H])* 0.000 claims description 4
- JYYNAJVZFGKDEQ-UHFFFAOYSA-N 2,4-Dimethylpyridine Chemical compound CC1=CC=NC(C)=C1 JYYNAJVZFGKDEQ-UHFFFAOYSA-N 0.000 claims description 3
- HWLQJKMTFHIDBF-UHFFFAOYSA-N 2-(5-pyridin-2-yl-1h-pyrrol-2-yl)pyridine Chemical compound C=1C=C(C=2N=CC=CC=2)NC=1C1=CC=CC=N1 HWLQJKMTFHIDBF-UHFFFAOYSA-N 0.000 claims description 3
- HBGYAZVOIPRLHX-UHFFFAOYSA-N 3-pyridin-2-yl-1h-pyridazine-6-thione Chemical compound N1C(=S)C=CC(C=2N=CC=CC=2)=N1 HBGYAZVOIPRLHX-UHFFFAOYSA-N 0.000 claims description 3
- 201000009030 Carcinoma Diseases 0.000 claims description 3
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 claims description 3
- 229940124350 antibacterial drug Drugs 0.000 claims description 3
- 150000001732 carboxylic acid derivatives Chemical class 0.000 claims description 3
- 230000000536 complexating effect Effects 0.000 claims description 3
- 238000005202 decontamination Methods 0.000 claims description 3
- 230000003588 decontaminative effect Effects 0.000 claims description 3
- 229940079593 drug Drugs 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 claims description 3
- 230000002285 radioactive effect Effects 0.000 claims description 3
- 238000011363 radioimmunotherapy Methods 0.000 claims description 3
- PSKPIZIMXQEUCN-UHFFFAOYSA-N 6-(4,6-dimethylpyridin-2-yl)-3-[5-(4,6-dimethylpyridin-2-yl)-1H-pyrrol-2-yl]-1,4,5,6-tetrahydropyridazine Chemical compound CC1=CC(C)=NC(C2NN=C(CC2)C=2NC(=CC=2)C=2N=C(C)C=C(C)C=2)=C1 PSKPIZIMXQEUCN-UHFFFAOYSA-N 0.000 claims description 2
- GCZNECNGQFBDOK-UHFFFAOYSA-N 6-(6-methylpyridin-2-yl)-3-[5-(6-methylpyridin-2-yl)-1H-pyrrol-2-yl]-1,4,5,6-tetrahydropyridazine Chemical compound CC1=CC=CC(C2NN=C(CC2)C=2NC(=CC=2)C=2N=C(C)C=CC=2)=N1 GCZNECNGQFBDOK-UHFFFAOYSA-N 0.000 claims description 2
- JGEMFMYZMBBMDU-UHFFFAOYSA-N 6-pyridin-2-yl-3-(5-pyridin-2-yl-1H-pyrrol-2-yl)-1,4,5,6-tetrahydropyridazine Chemical compound C1CC(C=2NC(=CC=2)C=2N=CC=CC=2)=NNC1C1=CC=CC=N1 JGEMFMYZMBBMDU-UHFFFAOYSA-N 0.000 claims description 2
- 201000002909 Aspergillosis Diseases 0.000 claims description 2
- 208000036641 Aspergillus infections Diseases 0.000 claims description 2
- 241000222122 Candida albicans Species 0.000 claims description 2
- 206010007134 Candida infections Diseases 0.000 claims description 2
- 208000004554 Leishmaniasis Diseases 0.000 claims description 2
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 claims description 2
- 125000000746 allylic group Chemical group 0.000 claims description 2
- 201000003984 candidiasis Diseases 0.000 claims description 2
- 125000006297 carbonyl amino group Chemical group [H]N([*:2])C([*:1])=O 0.000 claims description 2
- 229910000423 chromium oxide Inorganic materials 0.000 claims description 2
- 230000007062 hydrolysis Effects 0.000 claims description 2
- 238000006460 hydrolysis reaction Methods 0.000 claims description 2
- 108020004707 nucleic acids Proteins 0.000 claims description 2
- 150000007523 nucleic acids Chemical class 0.000 claims description 2
- 102000039446 nucleic acids Human genes 0.000 claims description 2
- 239000007800 oxidant agent Substances 0.000 claims description 2
- 230000001590 oxidative effect Effects 0.000 claims description 2
- 229910052700 potassium Inorganic materials 0.000 claims description 2
- 239000011591 potassium Substances 0.000 claims description 2
- NNFCIKHAZHQZJG-UHFFFAOYSA-N potassium cyanide Chemical compound [K+].N#[C-] NNFCIKHAZHQZJG-UHFFFAOYSA-N 0.000 claims description 2
- 235000017557 sodium bicarbonate Nutrition 0.000 claims description 2
- 229910000030 sodium bicarbonate Inorganic materials 0.000 claims description 2
- 125000001544 thienyl group Chemical group 0.000 claims description 2
- UKFAMQJGRBXTJG-UHFFFAOYSA-N 6-pyridazin-3-ylpyridine-2-carboxylic acid Chemical compound OC(=O)C1=CC=CC(C=2N=NC=CC=2)=N1 UKFAMQJGRBXTJG-UHFFFAOYSA-N 0.000 claims 2
- 238000011394 anticancer treatment Methods 0.000 claims 1
- 150000004892 pyridazines Chemical class 0.000 abstract description 13
- QFKXFTLPCRTWIO-UHFFFAOYSA-N 3-(1h-pyrrol-2-yl)pyridazine Chemical compound C1=CNC(C=2N=NC=CC=2)=C1 QFKXFTLPCRTWIO-UHFFFAOYSA-N 0.000 abstract description 4
- 208000035143 Bacterial infection Diseases 0.000 abstract description 2
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- 230000007613 environmental effect Effects 0.000 abstract 1
- 230000007170 pathology Effects 0.000 abstract 1
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 73
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 59
- 238000005481 NMR spectroscopy Methods 0.000 description 56
- 239000000243 solution Substances 0.000 description 45
- 230000015572 biosynthetic process Effects 0.000 description 34
- 238000006243 chemical reaction Methods 0.000 description 31
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 28
- 238000003786 synthesis reaction Methods 0.000 description 28
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 27
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- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 24
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- NFHFRUOZVGFOOS-UHFFFAOYSA-N palladium;triphenylphosphane Chemical compound [Pd].C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 NFHFRUOZVGFOOS-UHFFFAOYSA-N 0.000 description 21
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- VEQPNABPJHWNSG-UHFFFAOYSA-N Nickel(2+) Chemical compound [Ni+2] VEQPNABPJHWNSG-UHFFFAOYSA-N 0.000 description 6
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 6
- 238000004587 chromatography analysis Methods 0.000 description 6
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- FVAUCKIRQBBSSJ-UHFFFAOYSA-M sodium iodide Chemical compound [Na+].[I-] FVAUCKIRQBBSSJ-UHFFFAOYSA-M 0.000 description 6
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- IMRWILPUOVGIMU-UHFFFAOYSA-N 2-bromopyridine Chemical compound BrC1=CC=CC=N1 IMRWILPUOVGIMU-UHFFFAOYSA-N 0.000 description 5
- ROFVEXUMMXZLPA-UHFFFAOYSA-N Bipyridyl Chemical compound N1=CC=CC=C1C1=CC=CC=N1 ROFVEXUMMXZLPA-UHFFFAOYSA-N 0.000 description 5
- 239000002253 acid Substances 0.000 description 5
- 229910021529 ammonia Inorganic materials 0.000 description 5
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- CKVWBMJEETWJTF-UHFFFAOYSA-N lithium;tributyltin Chemical compound CCCC[Sn]([Li])(CCCC)CCCC CKVWBMJEETWJTF-UHFFFAOYSA-N 0.000 description 1
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- COCAUCFPFHUGAA-MGNBDDOMSA-N n-[3-[(1s,7s)-5-amino-4-thia-6-azabicyclo[5.1.0]oct-5-en-7-yl]-4-fluorophenyl]-5-chloropyridine-2-carboxamide Chemical compound C=1C=C(F)C([C@@]23N=C(SCC[C@@H]2C3)N)=CC=1NC(=O)C1=CC=C(Cl)C=N1 COCAUCFPFHUGAA-MGNBDDOMSA-N 0.000 description 1
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- MUJIDPITZJWBSW-UHFFFAOYSA-N palladium(2+) Chemical compound [Pd+2] MUJIDPITZJWBSW-UHFFFAOYSA-N 0.000 description 1
- UXCDUFKZSUBXGM-UHFFFAOYSA-N phosphoric tribromide Chemical compound BrP(Br)(Br)=O UXCDUFKZSUBXGM-UHFFFAOYSA-N 0.000 description 1
- CYQAYERJWZKYML-UHFFFAOYSA-N phosphorus pentasulfide Chemical compound S1P(S2)(=S)SP3(=S)SP1(=S)SP2(=S)S3 CYQAYERJWZKYML-UHFFFAOYSA-N 0.000 description 1
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- 125000003367 polycyclic group Chemical group 0.000 description 1
- 229960003975 potassium Drugs 0.000 description 1
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- TYJJADVDDVDEDZ-UHFFFAOYSA-M potassium hydrogencarbonate Chemical compound [K+].OC([O-])=O TYJJADVDDVDEDZ-UHFFFAOYSA-M 0.000 description 1
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- IIWPWMREEJFNBU-UHFFFAOYSA-N pyridazine;2-pyridin-2-ylpyridine Chemical class C1=CC=NN=C1.N1=CC=CC=C1C1=CC=CC=N1 IIWPWMREEJFNBU-UHFFFAOYSA-N 0.000 description 1
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- KSAVQLQVUXSOCR-UHFFFAOYSA-M sodium lauroyl sarcosinate Chemical compound [Na+].CCCCCCCCCCCC(=O)N(C)CC([O-])=O KSAVQLQVUXSOCR-UHFFFAOYSA-M 0.000 description 1
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- DZLFLBLQUQXARW-UHFFFAOYSA-N tetrabutylammonium Chemical compound CCCC[N+](CCCC)(CCCC)CCCC DZLFLBLQUQXARW-UHFFFAOYSA-N 0.000 description 1
- CZDYPVPMEAXLPK-UHFFFAOYSA-N tetramethylsilane Chemical compound C[Si](C)(C)C CZDYPVPMEAXLPK-UHFFFAOYSA-N 0.000 description 1
- 239000012581 transferrin Substances 0.000 description 1
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- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
- DBHSVKZZSWTSTN-UHFFFAOYSA-N tributyl(pyridazin-3-yl)stannane Chemical compound CCCC[Sn](CCCC)(CCCC)C1=CC=CN=N1 DBHSVKZZSWTSTN-UHFFFAOYSA-N 0.000 description 1
- GQSHSSUYFVJPOO-UHFFFAOYSA-N tributyl-(6-methylpyridin-3-yl)stannane Chemical compound CCCC[Sn](CCCC)(CCCC)C1=CC=C(C)N=C1 GQSHSSUYFVJPOO-UHFFFAOYSA-N 0.000 description 1
- ICKWEUMUWPSCRM-UHFFFAOYSA-N tributyl-(6-pyridin-2-ylpyridazin-3-yl)stannane Chemical compound N1=NC([Sn](CCCC)(CCCC)CCCC)=CC=C1C1=CC=CC=N1 ICKWEUMUWPSCRM-UHFFFAOYSA-N 0.000 description 1
- DBGVGMSCBYYSLD-UHFFFAOYSA-N tributylstannane Chemical compound CCCC[SnH](CCCC)CCCC DBGVGMSCBYYSLD-UHFFFAOYSA-N 0.000 description 1
- REDSKZBUUUQMSK-UHFFFAOYSA-N tributyltin Chemical compound CCCC[Sn](CCCC)CCCC.CCCC[Sn](CCCC)CCCC REDSKZBUUUQMSK-UHFFFAOYSA-N 0.000 description 1
- 210000004291 uterus Anatomy 0.000 description 1
- 239000013598 vector Substances 0.000 description 1
- 238000004832 voltammetry Methods 0.000 description 1
- 150000003751 zinc Chemical class 0.000 description 1
- WWOFRRCIVMFEDS-UHFFFAOYSA-N zinc;pyridine Chemical compound [Zn+2].C1=CC=NC=C1.C1=CC=NC=C1.C1=CC=NC=C1.C1=CC=NC=C1 WWOFRRCIVMFEDS-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D401/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom
- C07D401/14—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing three or more hetero rings
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
- A61P31/04—Antibacterial agents
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P33/00—Antiparasitic agents
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P33/00—Antiparasitic agents
- A61P33/02—Antiprotozoals, e.g. for leishmaniasis, trichomoniasis, toxoplasmosis
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P35/00—Antineoplastic agents
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D401/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom
- C07D401/02—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings
- C07D401/04—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings directly linked by a ring-member-to-ring-member bond
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D403/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00
- C07D403/02—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00 containing two hetero rings
- C07D403/04—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00 containing two hetero rings directly linked by a ring-member-to-ring-member bond
Definitions
- the present invention relates to linear pyridazine compounds and more particularly to those of these compounds which are oligopyridazine, to their processes for obtaining, to their applications, as well as to their regression in pyrroles and to the applications of the pyrrolidine compounds, pyridazinyl- pyrrole and oligopyrrole obtained.
- oligopyridazine and oligopyrrole refer to compounds having a plurality of adjacent nitrogen rings.
- Oligopyridines are polydentate ligands which can also be classified according to the number of nitrogen atoms involved in the metal chelation in the complex: bidentates (bipyridines), tridentates (terpyridines), tetradentates (quaterpyridines), etc., of structure
- the 2, 2'-bipyridines have long been the most used ligands in coordination chemistry, especially when they express asymmetric induction properties related to the presence of groups inducing a chirality factor. More recently, Les 2,2 ':. 6 ', 2''- terpyridines (tpy) opened an investigation field by the expression of polydentate sites favoring the formation of complexes with transition metals of higher oxidation state. This property has been exploited, for example, for the oxidation of alcohols and the carbonylation of aromatic compounds. More recently, the chemistry of this type of polydentate ligand has been developed for catalytic activation in the context of the decontamination of radioactive waste.
- 6,6'-bis (6-methyl-pyridin-2-yl) -3,3'-bipyridazine 2 has also shown a high potential for supramolecular organization in the presence of various metals, such as silver (I (Baxter, PNW, Lehn, J. -M., Fisher, J., Youinou, M, -T Angew Chem 1994, 106, 2432).
- this ⁇ , ⁇ '-tetrapyridazine ligand has a linear geometry and can only express sequences of poly-bidentate coordination sites for the same molecule.
- this tetramer (quaterpyridazine) preferentially leads to a supramolecular arrangement of square grid type, as is the case for bipyridazine 2.
- the elongation of the pyridazine chain also allows in this case a self-assembly of four monomers leading to a helical organization formed of a tetramer in balance with the square grid.
- oligopyridazine compounds could be feasible under conditions to be determined, despite the presence of several adjacent pyridazine rings, which can significantly modify the structure and the electronic properties of the molecule.
- the reduction to oligopyrroles could be attempted.
- this reduction is not only effective under specific conditions developed and optimized by the inventors, but in addition, it does not give rise to a cyclization between the pyridazine residues or any other potential side reactions.
- the reduction can also take place pyridazine ring by pyridazine cycle to obtain a single or more site (s) of reduction on the molecule, thus opening the way to the preparation of mixed pyridazinyl-pyrrole compounds.
- the inventors have also sought to identify the potential biological applications of these novel compounds. These compounds then proved to have therapeutic properties of great interest, in particular anti-parasitic, anti-cancer and antibacterial.
- the present invention therefore relates to linear pyridazine chain sequences, more particularly substituted bispyridinyl pyridazines and oligopyridazines, to their production processes and to their applications; the electrochemical process for reducing oligopyridazines to oligopyrroles; as well as to the pyrroles obtained, more particularly bispyridinylpyrroles and oligopyrroles and their applications.
- the invention relates to compounds of formula
- R ' represents hydrogen, an alkyl, hydroxyalkyl, alkylamine, alkyloxy chain of 1 to 6 carbons, a -COOH group, -COOR1, -CONH 2 , -CONHR1, in which R1 is an alkyl chain of 1 to 6 carbons the groups Y, identical or different, represent a group of formula
- M represents a hydrogen, a halogen, an alkyl, hydroxyalkyl, alkylamine or alkyloxy chain from 1 to 6 carbons, a group -COOH, -COOR1, -CONH 2 , -CONHR1, in which R1 is as defined above, - if A represents a group of formula
- M represents a hydrogen, a halogen, an alkyl, hydroxyalkyl, alkylamine or alkyloxy chain of 1 to 6 carbons, a -COOH group, -COOR1, -CONH 2 , -CONHR1, in which R1 is as defined above , in is an integer between 2 and 4 inclusive, - the groups A, identical or different, represent a grouping
- the groups Y which are identical or different, represent a halogen, a hydroxy, a mercapto, an alkyl, hydroxyalkyl, alkylamine or alkyloxy chain of 1 to 6 carbons, optionally cyclic, a group -COOH, -COOR1, CONH 2 , -CONHRl in which R1 is as defined above, or a group selected from the following groups: N ⁇ l N ⁇ N in which the groups R, identical or different, represent a hydrogen, an alkyl or alkyloxy chain of 1 to 6 carbons, a group -COOH, -COOR1, -CONH 2 , CONHR1, in which R1 is as defined above, with the exception of the following compounds: 2,5-bis (pyridin-2-yl) pyrrole,
- the preparation of the bispyridinyl mono and oligo pyridazine compounds will be described hereinafter.
- the corresponding mono- and oligopyrrolic or pyridazinyl-pyrrole compounds are obtained by an optimization of the reduction method described in Manh G.T. et al., Electrochimica Acta, 2002, 2833.
- the monopyrrolic compounds substituted by the R 'group are also prepared by electrochemical reduction from R' substituted pyridazine compounds already described in the state of the art.
- these pyridazine compounds are conventionally obtained by a Diels-Alder reaction between a bipyridyl tetrazine and an acetylene (see, for example, Hoogenboom et al., Cited above).
- the alkyl, hydroxyalkyl, alkylamine and alkyloxy chains are methyl, hydroxymethyl, methylamine and methoxy, and the A groups are identical.
- the groups Y which are identical or different, are preferably optionally substituted 2- pyridyl groups or -C (CH 2 ) OR 1 groups, in which R 1 is an alkyl chain of 1 to 6 carbons, preferably ethyl.
- oligopyridazines and “oligopyridazine compounds” on the one hand, “oligopyrroles” and “oligopyrrole compounds” on the other hand, are used interchangeably. By these terms are meant compounds having a plurality of adjacent rings, preferably 2 to 4 cycles.
- the invention relates to processes for obtaining the compounds described above.
- the first method covered by the invention is a process for the preparation of compounds of formula
- substituents M 1 which may be identical or different, represent a hydrogen, a halogen, an alkyl or alkyloxy chain of 1 to 6 carbons, by Stille coupling between a compound of formula
- Z 1 and Z 2 different, represent either a halogen or a stannyl group of formula SnB 3 , wherein B represents a methyl, butyl or phenyl chain.
- Stille coupling is a palladium (0) catalyzed coupling reaction that allows the creation of a carbon-carbon bond.
- the palladium (0) is introduced into the reaction medium in the form of palladium tetrakistriphenylphosphine.
- the reaction is carried out under reflux in an organic solvent, preferably toluene, DMF (dimethylformamide), THF (tetrahydrofuran), HMPA (hexamethylphosphorotriamide), N-methylpyrrolidine.
- n is an integer between 1 and 4 inclusive
- the other substituent may alternatively be a hydrogen, a halogen or an alkyloxy chain of 1 to 6 carbons, by oxidation of the methylated precursor in the presence of an allylic or aromatic oxidant such as selenium dioxide or chromium oxide.
- the solvent used is a conventional solvent for the oxidation reactions, for example, o-dichlorobenzene. The reaction is carried out at preferred temperatures of the order of 100 to 160 ° C., preferably 120 to 140 ° C.
- the invention also proposes a process for the preparation of compounds of formula
- the groups D represent a halogen or an alkyloxy chain of 1 to 6 carbons, preferably methoxy or ethoxy and n is an integer between 2 and 4 inclusive, by coupling of at least two halopyridazines of formula
- X represents a halogen
- D is as defined above and m is an integer between 1 and 3 inclusive
- a stoichiometric mixture of zinc, nickel dibromobis (triphenylphosphine) and sodium iodide in the presence of a stoichiometric mixture of zinc, nickel dibromobis (triphenylphosphine) and sodium iodide.
- tetrabutylammonium in dimethylformamide distilled and degassed, the coupling being followed by a purification step by decomplexation.
- the halogen functions are the reactive functions of this coupling.
- the optimized conditions are in particular the preparation in advance of nickel dibromobis (triphenylphosphine), and not its in situ generation in the reaction medium as well as the use of tetrabutylammonium iodide.
- nickel dibromobis (triphenylphosphine) and tetrabutylammonium iodide are introduced in a ratio of 1: 0.3: 1.
- the reaction was carried out at a temperature of 50 to 70 ° C.
- This method has the advantage of allowing the number of pyridazine rings in the oligopyridazine molecule to be incremented.
- the purification step is necessary in order to decomplex the reaction product from the reaction medium.
- This purification process can be carried out according to two distinct procedures.
- the process for purifying the compounds is carried out by decomplexing said compounds in a saturated aqueous solution of potassium cyanide or sodium hydroxide for 1 h 30 to 4 h, preferably 2 h to 3 h.
- Cold means temperatures ranging from 0 to 25 0 C, preferably 18 to 20 0 C.
- the process for purifying the compounds is carried out by decomplexing said compounds in a saturated aqueous solution of potassium halide or of tetrabutylammonium halide, preferably potassium fluoride, or in a saturated solution of ammonia, the organic phase being then washed with sodium or potassium hydrogen carbonate, and then extracted with chloroform, dichloromethane, ethyl acetate or ether ...
- the invention also relates to a process for the preparation of compounds of formula
- M 3 represents a hydrogen, an alkyl or alkyloxy chain of 1 to 6 carbons
- Y 1 groups which are identical or different, represent an alkyl or alkyloxy chain of 1 to 6 carbons, or a group chosen from the following groups:
- the invention also proposes two preparation methods inspired by the so-called Negishi coupling.
- n 4, inclusive, the groups T which are identical or different, represent a hydrogen, an alkyl chain of 1 to 6 carbons, by coupling between a compound of formula
- n is an integer between 1 and 4 inclusive
- the groups T identical or different, represent a hydrogen, an alkyl chain of 1 to 6 carbons, by selective coupling between a compound of formula
- X being a halogen, in the presence of butyllithium, a solvent, a zinc reagent and palladium (0).
- the solvent will be THF or ether, the zinc reagent, ZnCl 2 and palladium (o) (Pd (Ph 3 ) 4 ) or Pd 2 dba 3 .
- the invention has also allowed the preparation of a new precursor: 3-methoxy-6- (pyridin-2-yl) -pyridazine.
- This molecule is involved in two new processes: a process for the preparation of 3-methoxy-6- (pyridin-2-yl) -pyridazine by coupling 3-chloro-6-methoxypyridazine with a 2-trialkylstannylpyridine in the presence palladium (0) and a process for the preparation of 6- (pyridin-2-yl) -2H-pyridazin-3-one by hydrolysis of 3-methoxy-6- (pyridin-2-yl) -pyridazine.
- the invention also relates to a process for the preparation of 6, 6'-bis (pyridin-2-yl) -3,3'-bipyridazine by homocoupling of 3-chloro-6- (pyridin-2-yl) -pyridazine in the presence of dibromobistriphenylphosphine.
- the invention thus proposes a process for electrochemically homocoupling a pyridazine halide of formula
- n is an integer between 1 and 2 inclusive terminals
- X is a halogen
- Y 2 represents a halogen, an alkyl or alkyloxy chain of 1 to 6 carbons, a group selected from the following groups:
- the anode consists of at least 50% iron
- the electrolysis medium comprises nickel, an element chosen from halogens, and pyridine or its derivatives.
- the anode used is an anode, Fe / Ni (64/36).
- the solvent of the reaction advantageously comprises at least 50% of DMF and a polar co-solvent.
- a polar co-solvent for example, it is possible to use a mixture of dimethylformamide (DMF) and pyridine, in a ratio ranging from 90/10 to 50/50 inclusive, preferably 80/20.
- the catalyst used is preferably a nickel complex, such as a hydrated nickel halide.
- a nickel-bipyridine halide may advantageously be used as catalyst.
- the support electrolyte is preferably a tetrabutylammonium halide or an equivalent such as tetrabutylammonium tetrafluoroborate, advantageously in amounts ranging from 10 to 20 mol% inclusive, preferably 13 to 17%, with respect to the pyridazine substrate.
- the intensity used during the reaction is for example of the order of 0.05A to 0.2A inclusive, preferably 0.06A to 0.1A.
- the reaction can be carried out at ambient temperature (generally 20-25 ° C.).
- the invention also proposes a process for the electrochemical heterocoupling of a pyridazine pyridine with the formula
- n is an integer from 1 to 2 inclusive
- X is halogen and Y 3 is an alkyl or alkyloxy chain of 1 to 6 carbons or a group selected from the following groups:
- groups R which may be identical or different, represent a hydrogen, an alkyl or alkyloxy chain of 1 to 6 carbons or a phenyl,
- the anode is made of iron; the catalyst is chosen from nickel bipyridine halides.
- the solvent used is DMF while the supporting electrolyte is a tetrabutylammonium halide or an equivalent such as tetrabutylammonium tetrafluoroborate in amounts ranging from 10 to 20 mol%, limits included, preferably from 13 to 17%, relative to the pyridazine substrate.
- the intensity used during the reaction is from 0.15 to 0.35A inclusive, preferably of the order of 0.2A.
- the reaction can be carried out at ambient temperature (generally 20-25 ° C.).
- the aromatic ring is preferably a phenyl, pyridinyl or thiophenyl ring, optionally substituted.
- n is an integer between 2 and 4 inclusive
- the groups Y 4 identical or different, represent an alkyl or alkyloxy chain of 1 to 6 carbons or a group chosen from the following groups:
- the groups R identical or different, represent a hydrogen, an alkyl or alkyloxy chain of 1 to 6 carbons or a phenyl, electrochemically by extruding a nitrogen atom on one or more pyridazine rings, wherein the conditions of the electrolysis are as follows:
- the anode is a large surface electrode; the electrolysis medium is a polar proton donor medium.
- the proton donor polar medium may consist of an organic polar solvent (such as DMF, acetonitrile, etc.) supplemented with a proton donor (such as phenol, acetic acid, etc.). , etc.), and optionally, when the resulting medium is not conductive, a carrier electrolyte such as quaternary ammonium salts or aqueous alcoholic acidic medium.
- an organic polar solvent such as DMF, acetonitrile, etc.
- a proton donor such as phenol, acetic acid, etc.
- a carrier electrolyte such as quaternary ammonium salts or aqueous alcoholic acidic medium.
- the quaternary ammonium salts are chosen from tetrabutylammonium hexafluorophosphate or tetrabutylammonium hydrogen sulfate and the alcoholic acid medium is constituted by a sulfuric acid or acetic acid mixture supplemented with ethanol.
- the cathode is chosen from mercury layer electrodes with a diameter of 4.5 cm, large surface carbon electrodes or screen printed carbon electrodes.
- the intensity used is of the order of 10 to 5OmA.
- the reaction is conducted at room temperature (typically 20-25 ° C).
- the reduction potential imposed which varies according to the substrates studied, must be controlled in order to control the quantity of Coulomb consumed during the electrolysis, ie the number of electrons used: 4 for the monopyrrole and 8 for the bipyrrole, etc.
- regression we mean two acid reduction steps, regression being the mechanistic result of electrochemical reductions.
- the work of the inventors has made it possible to establish a protocol adapted to the reduction of oligopyridazine compounds and to demonstrate the sequential nature of this reduction being simultaneous according to the number of electrons and the potential applied during the electroreduction.
- the regression process has also made it possible to synthesize minority products, which are new. These are the following products:
- alkyl and alkyloxy chains having 1 to 6 carbons contain 1 to 3 carbons, preferably they are methyl, ethyl, methoxy or ethoxy.
- a third aspect of the invention aims to cover the multiple applications of the synthesized compounds.
- the compounds according to the invention are particularly suitable for use as ligands.
- these compounds are ligands that particularly complex metal ions, including iron, copper, ruthenium, europium, silver and bismuth type cations. They can be used alone or several identical ligands in combination with each other.
- non-limiting ligands are metallocatenanes formed from compounds according to the invention.
- the inventors have also researched the possible biological properties of their compounds and demonstrated interesting therapeutic properties.
- the invention therefore relates to compounds of formula
- A represents a group of formula
- R ' represents hydrogen, an alkyl, hydroxyalkyl, alkylamine, alkyloxy chain of 1 to 6 carbons, a -COOH group, -COOR1, -CONH 2 , -CONHR1, in which R1 is an alkyl chain of 1 to 6 carbons the groups Y, identical or different, represent a group of formula
- M represents a hydrogen, a halogen, an alkyl, hydroxyalkyl, alkylamine or alkyloxy chain from 1 to 6 carbons, a group -COOH, -COOR1, -CONH 2 , -CONHR1, in which R1 is as defined above, - if A represents a group of formula
- M represents a hydrogen, a halogen, an alkyl, hydroxyalkyl, alkylamine or alkyloxy chain of 1 to 6 carbons, a -COOH group, -COOR1, -CONH 2 , -CONHR1, in which R1 is as defined above , in is an integer between 2 and 4 inclusive, - the groups A, identical or different, represent a grouping
- the groups Y which may be identical or different, represent a halogen, a hydroxy, a mercapto, an alkyl, hydroxyalkyl, alkylamine or alkyloxy chain of 1 to 6 carbons, optionally cyclic, a group -COOH, -COOR1, -CONH 2 , CONHR1, wherein R1 is as defined above, or a group selected from the following groups:
- the alkyl, hydroxyalkyl, alkylamine or alkyloxy chains of 1 to 6 carbons are methyl, hydroxymethyl, methylamine or methoxy chains.
- the compounds listed above and the preferred compounds given below will be designated by the terms "compounds that can be used as medicaments”.
- n is 2 and Y is an optionally substituted 2-pyridinyl group or a -C (CH 2 ) ORl group, wherein R 1 is an alkyl chain of 1 to 6 carbons.
- the invention more particularly covers the following compounds:
- the therapeutic interest of these compounds is described more specifically in Example 42 below.
- the invention also relates to therapeutic compositions containing as active ingredients the compounds that can be used as medicaments.
- the groups M identical or different, represent a halogen, an alkyl chain of 1 to 6 carbons or a -COOH group.
- the invention more particularly covers the following compounds:
- these compounds that can be used as medicaments can selectively complex the nucleic acids.
- they can be used as selective complexing agents of DNA and RNA, including that of HIV. They act on the reverse transcriptase of cells, by inhibiting its primer on viral RNA. They are therefore particularly suitable for the preparation of anti-viral drugs.
- These compounds can also be used as DNA cleavage agents (metallo-nuclease) especially when the compounds are complexed to a Cu-type metal.
- these compounds that can be used as medicaments exhibit a cytotoxic activity with regard to cancer cells. They are therefore particularly suitable for the preparation of anticancer drugs.
- the cancer targeted by the invention is a carcinoma, for example an ENT carcinoma, lungs, uterus, digestive (esophagus, colon, liver), skin, breast, prostate, ovaries.
- yl-pyridazine and 3- (6-methyl-pyridin-2-yl) -6-pyridin-2-yl-pyridazine showed a very important cytotoxic activity in a cancer cell model: an in vitro test on KB, Caco, Huh7 and fibroblast cells.
- these compounds that can be used as medicaments act on the regulation of iron transfer in bacteria by inhibition of the tonB protein.
- Iron is essential for bacterial infection.
- bacteria must draw iron in their environment.
- the latter is always coupled to proteins such as transferrin, lactoferrin, hemoglobin ... Therefore, the bacteria have very elaborate systems, involving TonB protein, to recover this iron.
- 6,6'-di- (1-ethoxyvinyl) -3,3'-bipyridazine has been shown to inhibit the growth of E. coli.
- These compounds are therefore particularly suitable for the preparation of antibacterial drug, for example for the treatment of dysentery or meningitis.
- these compounds that can be used as medicaments also make it possible to obtain medicaments intended to treat parasitic diseases.
- the parasitic diseases targeted by the invention are in particular leishmaniases, aspergillosis and candidiasis.
- the groups M 4 which are identical or different, represent a hydrogen, an alkyl chain of 1 to 6 carbons, a -COOH group, -COOR1, in which R 1 is an alkyl chain of 1 to 6 carbons, and more particularly the compounds listed in the following group:
- the compounds that can be used as medicaments are vectors of radioactive metals of great interest in the context of radioligands. Consequently, when they are complexed with the appropriate metal, such as bismuth or europium, they make it possible to obtain a medicament intended for radioimmunotherapy.
- R ' represents a hydrogen, an alkyl, hydroxyalkyl, alkylamine or alkyloxy chain of 1 to 6 carbons, a -COOH group, -COOR1, -CONH 2 , -CONHR1 in which R1 is an alkyl chain of 1 to 6 carbons.
- These compounds are tridentate or tetradentate, mixed N, O or N-donor ligands. They are therefore particularly suitable for complexing metal ions.
- the inventors have also defined applications in the field of the environment, materials and electronics.
- the compounds according to the invention can advantageously be used for the depollution of cations in a liquid medium.
- A represents a grouping n is between 2 and 4 inclusive
- Y which may be identical or different, represents a hydroxyl, a hydroxyalkyl or alkyloxy chain of 1 to 6 carbons, optionally cyclic, a -COOH group, -COOR1 in which R1 is an alkyl chain of 1 to 6 carbons, -CONH 2 .
- these compounds are particularly suitable for complexing metal ions. They can optionally be used alone or several identical ligands in combination with each other.
- the compound will be chosen from the following group:
- the compound according to the invention will advantageously be used in combination with a carboxylic acid, in particular ⁇ -bromocapric acid.
- a carboxylic acid in particular ⁇ -bromocapric acid.
- the inventors have indeed found a synergy in the depollution activity when this specific combination was implemented with respect to the actinide cations particularly.
- the invention also covers materials composed of a supramolecular organization of compounds according to the invention.
- some of the compounds according to the invention have properties of self-assembly. Others can self-assemble around metal cations.
- FIG. 9 shows the UV-Visible and fluorescence absorption spectra of 6,6'-bis (pyridin-2-yl) -3,3'-bipyridazine (19)
- Figure 10 shows the UV-Visible and fluorescence absorption spectra of 6,6'-bis ( 6-methylpyridin-2-yl) -3,3'-bipyridazine (2)
- FIG. 11 shows the UV-Visible and fluorescence absorption spectra of the 6, 6'-bis (4, 6 dimethylpyridin-2-yl) -3,3'-bipyridazine (105).
- the 1 H and 13 C NMR spectra were recorded on a Bruker Avance 300 spectrometer.
- the irradiation frequencies are respectively 300 MHz and 75.5 MHz, the chemical shifts are given in part per million (ppm) with tetramethylsilane as internal standard. .
- the coupling constants are given in Hertz (Hz) and the multiplicity of the signals is described as follows: s (singlet), si (broad singlet), d (doublet), dd (doublet of doublet), t (triplet), q (quadruplet), m (multiplet).
- UV-Visible absorption spectra were recorded on a UV-2401PC Shimadzu spectrometer. Fluorescence spectra were recorded on an SPEX Fluoromax fluorometer. All the spectra recorded by the apparatuses described above were carried out in a UV-Visible quartz cell (1cm).
- Mass spectra were recorded on a Thermoelectron DSQ instrument by electronic impact (70 eV), chemical ionization (ammonia), direct insertion or GC-MS coupling.
- Tetrahydrofuran (THF) is freshly distilled over sodium / benzophenone under argon.
- Dichloromethane (DCM) and N, N-dimethylformamide (DMF) are freshly distilled over calcium hydride under argon.
- Toluene is freshly distilled over sodium under argon.
- tetrabutylammonium bromide, powdered activated zinc and dibromo-bistriphenylphosphine nickel (II) are added.
- the whole is dried under vacuum and placed under argon.
- DMF freshly distilled and degassed is cannula in the middle.
- the solution is stirred at ambient temperature until a homogeneous solution is obtained.
- the halopyridazine is solubilized in DMF freshly distilled, degassed and canulated in the reaction medium.
- the solution is stirred for 15 hours at 55 ° C.
- the blackish solution is cooled to room temperature, treated with an ammonia solution (25 N) and extracted with DCM. After having The organic phase is dried over Na 2 SO 4 and the solvent is evaporated under reduced pressure, the residue is then purified.
- Procedure B General procedure for acid hydrolysis In a flask surmounted by a coolant of methoxypyridazine and a solution of HBr at 33% in acetic acid are stirred for 48 hours at 60 ° C. The solution is cooled and concentrated under vacuum. The precipitate is filtered and washed with acetone. The greyish solid is suspended in water. The solution is refluxed and neutralized with 1M NaOH solution. The precipitate is filtered, washed with water and dried under vacuum.
- Procedure C General Procedure for Chlorination In a flask surmounted by a condenser, POCl 3 and pyridazinone are refluxed for 18 hours. After cooling to room temperature, the excess of POCl 3 is removed by distillation in vacuo and the residue is hydrolyzed with ice. The solution is then neutralized by adding 1N sodium hydroxide and extracted with dichloromethane. The organic phase is dried over Na 2 SO 4 and concentrated under reduced pressure.
- Procedure E General procedure for coupling Negishi
- a bromopyridine (1.6eq) solution in freshly distilled and degassed THF is cooled to -78 ° C.
- the butyllithium (2.5M in hexane, 1.6eq.) Is slowly added and the reaction mixture is stirred for 30 minutes at -78 ° C.
- Degassed THF is cannulated at -78 ° C in the reaction medium.
- the solution is stirred at ambient temperature for 30 minutes and then a solution of tetrakis (triphenylphosphine) palladium
- the compound to be reduced is dissolved either in a system of three solvents (THF / acetic buffer / CH 3 CN: 5/4/1), or in a solution of H 2 SO 4 at 0.5M and placed in the anode compartment of the electrochemical cell.
- An identical solvent system is placed in the cathode compartment and the appropriate voltage is imposed until the passage of 8 electrons.
- the organic phase is evaporated under vacuum if necessary.
- the aqueous phase is then treated with a saturated solution of Na 2 CO 3 until an alkaline pH is obtained.
- the medium is extracted DCM, the organic phase is dried over Na 2 SO 4 , filtered and concentrated under vacuum.
- the residue is purified by chromatography on a silica column (EP / AcOEt: the ratio depends on the compounds).
- the bi-pyridazine (15) is obtained after a homocoupling reaction of 3-chloro-6-methoxypyridazine (14) in the presence of a catalyst: dibromobistriphenylphosphine nickel (II) with a yield of 36%.
- Bipyridazinone (16) is obtained after acid hydrolysis with a yield of 98%.
- the compound (16) is then chlorinated and then brought into the presence of stannylpyridine (18) under the Stille coupling conditions to obtain the expected product (19).
- the objective of the second synthesis route is to introduce this motif in the last step.
- Stannylpyridine (18) is brought into contact with 3-chloro-6-methoxypyridazine (14) under the Stille coupling conditions.
- Methoxypyridazine (102) is obtained in 77% yield.
- pyridazinone (7) and chloropyridazine (8a) are obtained with respective yields of 40% and 77%.
- Bipyridazine (19) is obtained after a homocoupling reaction of 3-chloro-6-pyridylpyridazine (8a) in the presence of nickel (II) dibromobistriphenylphosphine in a yield of 12%.
- a third synthetic route has been developed to avoid the use of tin, to minimize the number of steps.
- This synthetic route uses a Negishi coupling method between an organozinc derivative and a halogenated pyridazine.
- Zinc pyridine is formed in situ from 2-bromopyridine in the presence of butyllithium and zinc chloride.
- a solution of 3-chloro-6-iodopyridazine (103) and tetrakis (triphenylphosphine) palladium (0) is then cannulated to give compound (8a) in 62% yield (original step).
- Bipyridazine (19) is obtained by a homocoupling reaction.
- the nickel used in the homocoupling reaction may make it difficult to extract the molecule in the last step.
- a fourth way has been developed.
- This synthetic route corresponds to the route 4 described above.
- the synthetic route used also corresponds to route 4 of point 1.
- the addition of an additional methyl substituent on the 6-methylpyridinyl group makes it possible to increase the solubility of the compound and thus to facilitate the electrochemical cycle regression.
- This molecule has a high cytotoxic potential on KB cancer cells with an IC 50 of 0.3 ⁇ g / ml and also affects the tonB protein involved in the iron transport process used for the growth of bacteria.
- the coupling of aromatic halides is possible thanks to an indirect electrolysis process catalyzed by the nickel complexes.
- the process employed is the consumable anode process.
- the precursor of the catalyst is introduced in the form of nickel salts (NiBr 2 , XH 2 O) or by oxidation of a nickel-containing metal bar (stainless steel or Fe / Ni steel 64/36)
- the material used is as follows:
- the electrochemical cell consists of a glass wall terminating in its lower part by a screw thread on which is screwed a Bakelite base (black, SVL40) containing a seal. sealing.
- a Bakelite base black, SVL40
- four inputs type SVL 15 are placed around a central entrance SVL22 for adapting a metal bar that will play the role of anode.
- the cathode consisting of a nickel foam
- the function of the various lateral inputs is to allow the electrical connection of the cathode by means of a stainless steel wire, to allow the entry and exit of a gas such as argon ensuring an inert atmosphere in the cell. electrochemical.
- the fourth entry makes it possible to take samples or to add reagents into the reaction medium during electrolysis.
- One of the inputs can, if useful, be used to place a reference electrode to measure the evolution of the potential of the cell during the reaction.
- the cell is placed on a magnetic oil-stirrer bath, allowing possible heating, if necessary.
- DMF is the solvent used in the process.
- the medium is made conductive through the introduction of carrier electrolytes such as quaternary ammonium salts.
- the power supply of the cell is ensured by a stabilized power supply which makes it possible to work under an intensiostatic regime of 10 to 300 mA.
- the two reactions involved during electrolysis take place simultaneously.
- the cathodic reaction concerns the reduction of the most easily reducible species which is in this case the precursor of the catalyst (nickel II salts). Nickel (II) is thus reduced to nickel (0) stabilized by ligands present in the medium (pyridine or bipyridine).
- the counter-reaction is the oxidation of the metallic bar, made of iron or an iron / nickel alloy of composition 64/36.
- the metal salts generated in the medium thus contribute to the smooth progress of the reaction.
- the process involved around nickel (0) is presented in diagrams 1 and 2, according to the intensity imposed • strong (diagram 1) or weak (diagram 2).
- the precursor of the catalyst used is the NiBr 2 Bipy complex (10%), and in the case of a Fe / Ni anode (64/36) the precursor of the catalyst is NiBr 2 (5 to 10%) and the ligand placed as co-solvent is pyridine.
- 6,6'-Dimethoxy-3,3'-bipyridazine is the key intermediate in the synthesis of substituted 3,6'-bis-3'-bipyridazine.
- a simple and effective original synthesis of this intermediate was developed electrochemically. This synthesis utilizes the consumable anode method described above and involves the homocoupling of 3-chloro-6-methoxypyridazine 14 through catalysis by nickel complexes (Scheme I).
- the equipment used is that described in paragraph 1.
- the anode is a Fe / Ni bar (64/36) and the cathode is a nickel foam (Goodfellow supplier).
- the solvent is a DMF / pyridine 50/50 mixture and the carrier electrolyte consists of a mixture NBu 4 Br / NBu 4 I 1/1.
- the reaction is conducted at room temperature under an argon atmosphere.
- Pre-electrolysis in the presence of dibromoethane (300 ⁇ l) is carried out for 15 min at an intensity of 0.1 A in the absence of nickel (NiBr 2 , xH 2 0, 10%) and the reagent (3-chloro-6). methoxypyridazine). These are then added and the electrolysis is continued at an intensity of 0.05 A.
- the evolution of the reaction is monitored by GPC analysis of samples of the reaction medium which are hydrolyzed.
- FIG 4 The heterocouples were conducted, unlike homocoupling, at an intensity of 0.2 A.
- the precursor of the catalyst is the NiBr 2 bipy complex added in a catalytic amount (10%).
- the anode is iron (XClO, 0.1% carbon).
- the solvent is DMF.
- Table 1 Heterocoupling of aromatic halides with 3-chloro-6-methoxypyridazine.
- R X or Aryl or other groupings
- the first wave could correspond to a potential of a simultaneous reduction to two electrons (per pyridazine cycle), of the two symmetrical pyridazine groups of dimer 2 (4 electrons in total).
- the formation of a bis-dihydropyridazine intermediate 68 could thus be envisaged and its regression in dipyrrole 71 should logically still require a contribution of at least four electrons per mole (two electrons per dihydro ring), for a total of eight electrons / mol from bipyridazine 2 (Scheme 121).
- This alternative offers the possibility of access to alternating pyridazine-pyrrole systems.
- the preferred mechanism seems in fact to be the formation of a bis-1,2-dihydropyridazine 68 (resulting from a reduction to 4 electrons) which rearranges in an acidic medium in the pyrrole-pyridazine 70 mixed system.
- the bipyrrole 71 results from a further 4-electron reduction of the remaining pyridazine.
- C3 'pyridinylB 120.1 (C5 'pyridinylA); 117.5 (C5 'pyridinylB); 108.2 (C4 pyrrole); 107.5 (C3 pyrrole); 57.5 (C6 tetrahydropyridazine); 26.0 (C5 tetrahydropyridazine); 24.6 (2 CH3) 22.1 C4 tetrahydropyridazine).
- the preparative electrolysis is carried out in a sulfuric acid medium (0.5 mol / L) / ethanol (proportion: 0.5 / 0.5) in a cell with two compartments separated by a sintered glass.
- a sulfuric acid medium 0.5 mol / L
- ethanol proportion: 0.5 / 0.5
- anode compartment In the anode compartment is placed the anode, a plate stainless steel surface 15 cm 2 .
- the cathode compartment are introduced the cathode a surface mercury layer 16 cm 2 and the reference electrode, the saturated calomel electrode.
- the volume of solvent in the two compartments is 9OmL
- the substrate is introduced into the cathode compartment (194 mg or 5.7 10-4 mol) and the potential applied at the beginning of the electrolysis is -0.5V / ECS (potential reduction of the substrate), the corresponding intensity is 35 mA.
- the bipyrroleic compound 112 was obtained with a yield close to 10%, as well as the monopyrrolic compound 107 and the tetrahydropyridazine compound 108.
- the low yield obtained for the bipyrrole can be explained by its partial degradation in a concentrated H 2 SO 4 medium and by difficulties of purification by flash chromatography on silica gel.
- the first four electron peaks are well defined and appear at potentials between -0.9 V and -1.1
- the first bielectronic transfer makes it possible to generate the dihydropyridazine intermediates (1,2 or 1,4-dihydropyridazines according to their relative stability) and the second bielectronic transfer causes the extrusion of a nitrogen atom by release of ammonia.
- the potential to impose for the preparative electrolysis must therefore be at the level of the reduction waves corresponding at least to a reduction to four electrons.
- the preparative electrolyses of the different pyridazines were carried out respectively at a working potential corresponding to the potential of the second wave of reduction of the precursors. These were continued until the total disappearance of the precursors and until the consumption of a quantity of charges (number of Coulombs) corresponding to the minimum quantity of electrons necessary to induce their rearrangement in pyrrole (four electrons per mole of the reduced substrate).
- the decrease in the intensity of the precursor reduction wave (-1.08V) during preparative electrolysis is correlated with the transformation during electrosynthesis. In addition, it disappears completely at the end of the electrolysis thus making it possible to check the total consumption of the precursor.
- the first wave is attributed to the bielectronic reductions of pyridazines to dihydropyridazines and the second corresponds to the extrusion of nitrogen to lead to pyrrolic cycles.
- Example 8 Preparative electrolysis of 6,6'-di-picolin-4,4'-di-methyl-2-yl- [3,3'] bipyridazine (105)
- the monosubstituted intermediate, 3- (2-bromo-pyridin-6-yl) -6- (pyridin-2-yl) -pyridazine 43, is isolated predominantly with a yield of 72%, starting from a mixture of equimolar of stannylated pyridazine 39 and dibromopyridinyl 42 in the presence of palladium tetrakistriphenylphosphine in toluene (Scheme 17).
- chloro (pyridyl) -pyridazine 8a was chosen as a precursor in Stille coupling to react with methylated stannylpyridine 22 (Scheme 19), in the equimolar presence of palladium tetrakistriphenylphosphine, to exclusively supply the coupling product. with a yield of 90%.
- the diacid pyridazine ligand 48 can be obtained by oxidation of bis (dimethylpyridyl) pyridazine 47 (Scheme 21).
- the latter was prepared via a double Stille coupling between 6-methyl-2-tributylstannylpyridine 22 and 3,6-dichloropyridazine 46 in the presence of palladium tetrakistriphenylphosphine. In this case, a slight excess of stannylated pyridine (3 eq.) was used.
- 3,6-bis (2-carboxyl-pyridin-6-yl) -pyridazine acid 48 is isolated with 68% yield.
- the pyridazine diacid 48 obtained is a bis-tridentate ligand: N-donor (pyridine and pyridazine) and O-donors (diacid).
- N-donor pyridine and pyridazine
- O-donors diacid
- the presence of two adjacent nitrogen atoms in the pyridazine ring contributes to generating two distinct coordination sites.
- Example 12 6, 6 '-bis (6-methyl-pyridin-2-yl) -3- f 3' - bipyridazine 2
- This compound is prepared according to procedure B with 3-methoxy-6- (pyridin-2-yl) -pyridazine (102) (0.29 g, 1.55 mmol) and a solution of HBr (33% in acetic acid, 1.2mL). The product obtained in the form of a white solid quantitatively.
- This compound is prepared according to procedure E from 2-bromopyridine (0.604 ml, 6.33 mmol), zinc chloride (1.05 g, 6.33 mmol), butyl lithium (6.33 mmol) and 3-chloro-6.
- iodo-pyridazine (103) (942 mg, 3.95 mmol) and tetrakis (triphenylphosphine) palladium (0) (450 mg, 0.39 mmol).
- the desired product is obtained with a yield of 62%.
- Example 17 6, 6 'dimethoxy-3, 3 f -bipyridazine 15
- This compound is synthesized according to procedure A, with tetrabutylammonium bromide (4.291g, 13.31mmol), activated zinc powder (870mg, 13.31mmol), dibromobistriphenylphosphine nickel (II) (2.963g, 3.99mmol), and 3-chloro-6-methoxypyridazine (1.924 g, 13.31 mmol).
- an ammonia solution 25 N
- the organic phase is dried over Na 2 SO 4 , filtered and concentrated in vacuo.
- the compound is recrystallized hot in ethanol to give whitish crystals (494 mg) with 36% yield.
- Ci 6 Hi 8 N 4 O 2 yrvrU M 298.34
- the 3,6-bis (6-methyl-pyridin-2-yl) -pyridazine 47 is obtained according to the general procedure of Stille, starting from a reaction mixture of 1.55 g (4.06 mmol) of 6-methyl-2- tributylstannyl-pyridine 22, 300 mg (2.03 mmol) of 3,6-dichloropyridazine 46, 231 mg (0.20 mmol) of tetrakis (triphenylphosphine) palladium (0) and 50 mL of freshly distilled toluene.
- the diacid 48 is obtained according to a procedure similar to the preparation of the acid 45, from a mixture of 230 mg (0.88 mmol) of pyridazine 47, 126 mg (1.14 mmol) of selenium dioxide, and 7 ml of o-dichlorobenzene. The mixture is heated at 150 ° C. for 12 hours, to yield diacid 48 with a yield of 68%.
- the nickel bromide monohydrate (4.37 g, 20 mmol) and the finely ground triphenylphosphine (10.48 g, 40 mmol) are dissolved separately in ⁇ -butanol (50 mL each).
- the solutions are brought to reflux until the reagents have completely dissolved.
- the solutions are then mixed with heat.
- a greenish precipitate is formed and the reaction mixture is stirred at reflux for 45 minutes and 1 hour at room temperature.
- the solution is filtered and the precipitate is washed with 70 ml of n-butanol, 70 ml of ethanol and 70 ml of diethyl ether. After drying under vacuum, a greenish powder is obtained (8.85 g) with a yield of 60%.
- Butyllithium (2.5M in hexane, 6.33mmol) is added to a solution of 2-bromopyridine (Ig, 6.33mmol) in THF (12mL) freshly distilled and degassed at -78 ° C. The reddish solution is stirred for 30 minutes. at -78 ° C. Tributyltin chloride (1.7ml, 6.33mmol) is then added, the solution is stirred for 1 hour at -78 ° C and then 1 hour at room temperature. The mixture is treated with a saturated solution of NH 4 Cl and extracted with diethyl ether. The organic phase is washed with a saturated solution of NaCl, dried over MgSO 4 and concentrated under reduced pressure. The residue is chromatographed on a column of alumina (hexane / AcOET: 20/1) to give the pure product with a yield of 94%.
- Example 36 6,6'-bis (4,6-dimethylpyridin-2-yl) -3,3 '- bipyridazine or 6,6' -di-picolin-4,4 '-di-methyl-2-yl
- This compound is prepared according to procedure E from 2-bromo-4-methylpicoline (106) and 6,6'-dichloro- [3,3 '] bipyridazine (17).
- the expected product is obtained with a yield of 80% after a hot recrystallization in 1 AcOEt.
- This compound is prepared according to procedure F from 6,6'-bis (pyridin-2-yl) -3,3'-bipyridazine (19) and in a solution of 0.5 M H 2 SO 4 as a solvent.
- the compound is obtained after purification on preparative plates of silica (AcOEt), in a trace state.
- Example 43 Therapeutic activity of the compounds according to the invention
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Abstract
Description
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP10182543A EP2295428A3 (fr) | 2006-07-26 | 2007-07-26 | Composés pyridaziniques et pyrroliques liénaires, procédés d'obtention et applications |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0606841A FR2904314A1 (fr) | 2006-07-26 | 2006-07-26 | Composes pyridaziniques et pyrroliques lineaires, procedes d'obtention et applications |
| PCT/FR2007/001288 WO2008012441A2 (fr) | 2006-07-26 | 2007-07-26 | Compose pyridaziniques et pyrroliques lineaires, procedes d'obtention et applications |
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| EP2061785A2 true EP2061785A2 (fr) | 2009-05-27 |
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| EP07823345A Withdrawn EP2061785A2 (fr) | 2006-07-26 | 2007-07-26 | Compose pyridaziniques et pyrroliques lineaires, procedes d'obtention et applications |
| EP10182543A Withdrawn EP2295428A3 (fr) | 2006-07-26 | 2007-07-26 | Composés pyridaziniques et pyrroliques liénaires, procédés d'obtention et applications |
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| EP10182543A Withdrawn EP2295428A3 (fr) | 2006-07-26 | 2007-07-26 | Composés pyridaziniques et pyrroliques liénaires, procédés d'obtention et applications |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20100004443A1 (fr) |
| EP (2) | EP2061785A2 (fr) |
| JP (1) | JP2009544672A (fr) |
| CA (1) | CA2658534A1 (fr) |
| FR (1) | FR2904314A1 (fr) |
| WO (1) | WO2008012441A2 (fr) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR20120102649A (ko) | 2009-10-30 | 2012-09-18 | 막스-플랑크-게젤샤프트 츄어 푀르더룽 데어 비쎈샤프텐 에.파우. | 질소 함유 방향족 화합물 및 금속 착체 |
| HU230438B1 (hu) * | 2010-12-16 | 2016-06-28 | CHINOIN Gyógyszer és Vegyészeti Termékek Gyára Zrt. 20% | Új palládium katalizátor, eljárás előállítására és alkalmazása |
| JP5949012B2 (ja) * | 2012-03-21 | 2016-07-06 | 株式会社リコー | エレクトロクロミック化合物、エレクトロクロミック組成物及び表示素子 |
| WO2019148850A1 (fr) * | 2018-02-02 | 2019-08-08 | 青岛清原化合物有限公司 | Composé de pyridazinol substitué par un anneau pyridine et ses dérivés, procédé de préparation, composition herbicide et application |
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| WO2003032984A1 (fr) * | 2001-10-19 | 2003-04-24 | Ortho-Mcneil Pharmaceutical,Inc. | 2-phenyle benzimidazoles et imidazo-4,5!-pyridines comme inhibiteurs de cdsi/chk2-inhibitors et adjuvants en chimiotherapie et radiotherapie dans le traitement du cancer. |
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| FR2663326B2 (fr) * | 1989-11-17 | 1992-10-16 | Sanofi Sa | Derives de la pyridazine, procede de preparation et compositions pharmaceutiques en contenant. |
| JP2000191712A (ja) * | 1998-12-28 | 2000-07-11 | Mitsui Chemicals Inc | オレフィン重合触媒とオレフィン重合方法 |
| JP2001094130A (ja) * | 1999-09-21 | 2001-04-06 | Fuji Photo Film Co Ltd | 光電変換素子、太陽電池及び新規オリゴピロール化合物 |
| KR100916574B1 (ko) * | 2005-07-14 | 2009-09-11 | 충남대학교산학협력단 | 피리딜피리다진 화합물 또는 이의 전이금속 착 화합물을유효성분으로 함유하는 암 치료용 약학적 조성물 |
-
2006
- 2006-07-26 FR FR0606841A patent/FR2904314A1/fr not_active Withdrawn
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2007
- 2007-07-26 WO PCT/FR2007/001288 patent/WO2008012441A2/fr not_active Ceased
- 2007-07-26 CA CA002658534A patent/CA2658534A1/fr not_active Abandoned
- 2007-07-26 US US12/309,632 patent/US20100004443A1/en not_active Abandoned
- 2007-07-26 JP JP2009521301A patent/JP2009544672A/ja active Pending
- 2007-07-26 EP EP07823345A patent/EP2061785A2/fr not_active Withdrawn
- 2007-07-26 EP EP10182543A patent/EP2295428A3/fr not_active Withdrawn
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003032984A1 (fr) * | 2001-10-19 | 2003-04-24 | Ortho-Mcneil Pharmaceutical,Inc. | 2-phenyle benzimidazoles et imidazo-4,5!-pyridines comme inhibiteurs de cdsi/chk2-inhibitors et adjuvants en chimiotherapie et radiotherapie dans le traitement du cancer. |
Also Published As
| Publication number | Publication date |
|---|---|
| CA2658534A1 (fr) | 2008-01-31 |
| US20100004443A1 (en) | 2010-01-07 |
| EP2295428A2 (fr) | 2011-03-16 |
| JP2009544672A (ja) | 2009-12-17 |
| WO2008012441A3 (fr) | 2009-03-05 |
| WO2008012441A2 (fr) | 2008-01-31 |
| FR2904314A1 (fr) | 2008-02-01 |
| EP2295428A3 (fr) | 2011-04-27 |
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