EP0612313A1 - Derives de piperidine acide acetique utilises comme inhibiteurs de l'agregation des plaquettes hematiques dependante du fibrinogene - Google Patents
Derives de piperidine acide acetique utilises comme inhibiteurs de l'agregation des plaquettes hematiques dependante du fibrinogeneInfo
- Publication number
- EP0612313A1 EP0612313A1 EP92923116A EP92923116A EP0612313A1 EP 0612313 A1 EP0612313 A1 EP 0612313A1 EP 92923116 A EP92923116 A EP 92923116A EP 92923116 A EP92923116 A EP 92923116A EP 0612313 A1 EP0612313 A1 EP 0612313A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- physiologically acceptable
- solvates
- piperazinyl
- acceptable salts
- 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- Withdrawn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
- 208000010110 spontaneous platelet aggregation Diseases 0.000 title abstract description 8
- 102000008946 Fibrinogen Human genes 0.000 title abstract description 5
- 108010049003 Fibrinogen Proteins 0.000 title abstract description 5
- 229940012952 fibrinogen Drugs 0.000 title abstract description 5
- 230000001419 dependent effect Effects 0.000 title abstract description 3
- 210000001772 blood platelet Anatomy 0.000 title description 10
- 239000003112 inhibitor Substances 0.000 title description 2
- RAIYODFGMLZUDF-UHFFFAOYSA-N piperidin-1-ium;acetate Chemical class CC([O-])=O.C1CC[NH2+]CC1 RAIYODFGMLZUDF-UHFFFAOYSA-N 0.000 title 1
- 150000001875 compounds Chemical class 0.000 claims abstract description 327
- 150000003839 salts Chemical class 0.000 claims abstract description 125
- 239000012453 solvate Substances 0.000 claims abstract description 104
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 39
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims abstract description 32
- 125000004206 2,2,2-trifluoroethyl group Chemical group [H]C([H])(*)C(F)(F)F 0.000 claims abstract description 15
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims abstract description 12
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical group [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910052801 chlorine Inorganic materials 0.000 claims abstract description 5
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 claims abstract description 4
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 claims abstract description 4
- 239000000460 chlorine Substances 0.000 claims abstract description 4
- 229910052731 fluorine Inorganic materials 0.000 claims abstract description 4
- 239000011737 fluorine Substances 0.000 claims abstract description 4
- 125000004029 hydroxymethyl group Chemical group [H]OC([H])([H])* 0.000 claims abstract description 3
- 239000000203 mixture Substances 0.000 claims description 104
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 66
- 238000000034 method Methods 0.000 claims description 36
- QTBSBXVTEAMEQO-UHFFFAOYSA-N acetic acid Substances CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 30
- 238000006243 chemical reaction Methods 0.000 claims description 26
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 22
- 230000008569 process Effects 0.000 claims description 18
- 125000000217 alkyl group Chemical group 0.000 claims description 16
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 claims description 16
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 14
- 239000002253 acid Substances 0.000 claims description 14
- 239000003814 drug Substances 0.000 claims description 14
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 claims description 13
- 125000006239 protecting group Chemical group 0.000 claims description 13
- 238000011282 treatment Methods 0.000 claims description 13
- 125000004005 formimidoyl group Chemical group [H]\N=C(/[H])* 0.000 claims description 12
- 238000002360 preparation method Methods 0.000 claims description 11
- 239000001257 hydrogen Substances 0.000 claims description 10
- 229910052739 hydrogen Inorganic materials 0.000 claims description 10
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims description 9
- 239000008194 pharmaceutical composition Substances 0.000 claims description 9
- 208000007536 Thrombosis Diseases 0.000 claims description 8
- 229910021529 ammonia Inorganic materials 0.000 claims description 7
- 150000001412 amines Chemical class 0.000 claims description 6
- 125000001841 imino group Chemical group [H]N=* 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 239000000546 pharmaceutical excipient Substances 0.000 claims description 4
- NQRYJNQNLNOLGT-UHFFFAOYSA-N tetrahydropyridine hydrochloride Natural products C1CCNCC1 NQRYJNQNLNOLGT-UHFFFAOYSA-N 0.000 claims description 4
- NBSKNSCOFTZGQC-UHFFFAOYSA-N 2-[4-[4-(4-methanehydrazonoylphenyl)-2-methylpiperazin-1-yl]piperidin-1-yl]acetic acid Chemical compound CC1CN(C=2C=CC(C=NN)=CC=2)CCN1C1CCN(CC(O)=O)CC1 NBSKNSCOFTZGQC-UHFFFAOYSA-N 0.000 claims description 3
- AVXURJPOCDRRFD-UHFFFAOYSA-N Hydroxylamine Chemical compound ON AVXURJPOCDRRFD-UHFFFAOYSA-N 0.000 claims description 3
- LNETULKMXZVUST-UHFFFAOYSA-N 1-naphthoic acid Chemical class C1=CC=C2C(C(=O)O)=CC=CC2=C1 LNETULKMXZVUST-UHFFFAOYSA-N 0.000 claims description 2
- PRNRUOJLUPUJDN-UHFFFAOYSA-N 4-piperidin-4-ylpiperidine Chemical compound C1CNCCC1C1CCNCC1 PRNRUOJLUPUJDN-UHFFFAOYSA-N 0.000 claims description 2
- CPELXLSAUQHCOX-UHFFFAOYSA-N Hydrogen bromide Chemical class Br CPELXLSAUQHCOX-UHFFFAOYSA-N 0.000 claims description 2
- 241001465754 Metazoa Species 0.000 claims description 2
- 229910019142 PO4 Inorganic materials 0.000 claims description 2
- 235000010323 ascorbic acid Nutrition 0.000 claims description 2
- CEIPQQODRKXDSB-UHFFFAOYSA-N ethyl 3-(6-hydroxynaphthalen-2-yl)-1H-indazole-5-carboximidate dihydrochloride Chemical compound Cl.Cl.C1=C(O)C=CC2=CC(C3=NNC4=CC=C(C=C43)C(=N)OCC)=CC=C21 CEIPQQODRKXDSB-UHFFFAOYSA-N 0.000 claims description 2
- JFCQEDHGNNZCLN-UHFFFAOYSA-N glutaric acid Chemical class OC(=O)CCCC(O)=O JFCQEDHGNNZCLN-UHFFFAOYSA-N 0.000 claims description 2
- 150000003840 hydrochlorides Chemical class 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 159000000000 sodium salts Chemical class 0.000 claims description 2
- ABMKZZPZLHESEG-UHFFFAOYSA-N tert-butyl 2-[4-[4-(2-bromo-4-methanehydrazonoylphenyl)piperazin-1-yl]piperidin-1-yl]acetate Chemical compound C1CN(CC(=O)OC(C)(C)C)CCC1N1CCN(C=2C(=CC(C=NN)=CC=2)Br)CC1 ABMKZZPZLHESEG-UHFFFAOYSA-N 0.000 claims description 2
- OKOSKHISHNRDHB-UHFFFAOYSA-N tert-butyl 2-[4-[4-(4-methanehydrazonoylphenyl)piperazin-1-yl]piperidin-1-yl]acetate Chemical compound C1CN(CC(=O)OC(C)(C)C)CCC1N1CCN(C=2C=CC(C=NN)=CC=2)CC1 OKOSKHISHNRDHB-UHFFFAOYSA-N 0.000 claims description 2
- WPBBZBFRJIDDEE-UHFFFAOYSA-N tert-butyl 2-[4-[4-[4-[n'-(2,2,2-trifluoroethyl)carbamimidoyl]phenyl]piperazin-1-yl]piperidin-1-yl]acetate Chemical compound C1CN(CC(=O)OC(C)(C)C)CCC1N1CCN(C=2C=CC(=CC=2)C(N)=NCC(F)(F)F)CC1 WPBBZBFRJIDDEE-UHFFFAOYSA-N 0.000 claims description 2
- OHBXIRUZXOFBAZ-UHFFFAOYSA-N 2-[4-[4-(4-methanehydrazonoyl-2-methylphenyl)piperazin-1-yl]piperidin-1-yl]acetic acid Chemical compound CC1=CC(C=NN)=CC=C1N1CCN(C2CCN(CC(O)=O)CC2)CC1 OHBXIRUZXOFBAZ-UHFFFAOYSA-N 0.000 claims 2
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical class OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 claims 2
- 125000001160 methoxycarbonyl group Chemical group [H]C([H])([H])OC(*)=O 0.000 claims 2
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Chemical class OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 claims 2
- XVOUMQNXTGKGMA-OWOJBTEDSA-N (E)-glutaconic acid Chemical class OC(=O)C\C=C\C(O)=O XVOUMQNXTGKGMA-OWOJBTEDSA-N 0.000 claims 1
- PWIBJZBXBPVCAM-UHFFFAOYSA-N 2-[4-[4-(4-methanehydrazonoylphenyl)piperazin-1-yl]piperidin-1-yl]acetic acid Chemical compound C1=CC(C=NN)=CC=C1N1CCN(C2CCN(CC(O)=O)CC2)CC1 PWIBJZBXBPVCAM-UHFFFAOYSA-N 0.000 claims 1
- UKJMEPJDZOXABI-UHFFFAOYSA-N 2-[4-[4-(4-methanehydrazonoylphenyl)piperazin-1-yl]piperidin-1-yl]propanoic acid Chemical compound NN=CC1=CC=C(C=C1)N1CCN(CC1)C1CCN(CC1)C(C(=O)O)C UKJMEPJDZOXABI-UHFFFAOYSA-N 0.000 claims 1
- OXDSCIXIPQDVJW-UHFFFAOYSA-N 2-[4-[4-(6-methanehydrazonoylpyridin-3-yl)piperazin-1-yl]piperidin-1-yl]acetic acid Chemical compound C1=NC(C=NN)=CC=C1N1CCN(C2CCN(CC(O)=O)CC2)CC1 OXDSCIXIPQDVJW-UHFFFAOYSA-N 0.000 claims 1
- ALKYHXVLJMQRLQ-UHFFFAOYSA-M 3-carboxynaphthalen-2-olate Chemical class C1=CC=C2C=C(C([O-])=O)C(O)=CC2=C1 ALKYHXVLJMQRLQ-UHFFFAOYSA-M 0.000 claims 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical class CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 claims 1
- KRKNYBCHXYNGOX-UHFFFAOYSA-K Citrate Chemical class [O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O KRKNYBCHXYNGOX-UHFFFAOYSA-K 0.000 claims 1
- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical class OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 claims 1
- VZCYOOQTPOCHFL-OWOJBTEDSA-N Fumaric acid Chemical class OC(=O)\C=C\C(O)=O VZCYOOQTPOCHFL-OWOJBTEDSA-N 0.000 claims 1
- JVTAAEKCZFNVCJ-UHFFFAOYSA-M Lactate Chemical class CC(O)C([O-])=O JVTAAEKCZFNVCJ-UHFFFAOYSA-M 0.000 claims 1
- AFVFQIVMOAPDHO-UHFFFAOYSA-M Methanesulfonate Chemical class CS([O-])(=O)=O AFVFQIVMOAPDHO-UHFFFAOYSA-M 0.000 claims 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical class [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims 1
- 230000002152 alkylating effect Effects 0.000 claims 1
- 229940072107 ascorbate Drugs 0.000 claims 1
- 239000011668 ascorbic acid Chemical class 0.000 claims 1
- 125000000043 benzamido group Chemical group [H]N([*])C(=O)C1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 claims 1
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical class OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 claims 1
- 229940001447 lactate Drugs 0.000 claims 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical class OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 claims 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical class [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims 1
- 239000010452 phosphate Chemical class 0.000 claims 1
- YGSDEFSMJLZEOE-UHFFFAOYSA-M salicylate Chemical class OC1=CC=CC=C1C([O-])=O YGSDEFSMJLZEOE-UHFFFAOYSA-M 0.000 claims 1
- 229960001860 salicylate Drugs 0.000 claims 1
- 229940086735 succinate Drugs 0.000 claims 1
- KDYFGRWQOYBRFD-UHFFFAOYSA-L succinate(2-) Chemical class [O-]C(=O)CCC([O-])=O KDYFGRWQOYBRFD-UHFFFAOYSA-L 0.000 claims 1
- IIACRCGMVDHOTQ-UHFFFAOYSA-M sulfamate Chemical class NS([O-])(=O)=O IIACRCGMVDHOTQ-UHFFFAOYSA-M 0.000 claims 1
- 229910021653 sulphate ion Inorganic materials 0.000 claims 1
- 229940095064 tartrate Drugs 0.000 claims 1
- OSYLNIVYXONDEI-UHFFFAOYSA-N tert-butyl 2-[4-[4-(6-methanehydrazonoylpyridin-3-yl)piperazin-1-yl]piperidin-1-yl]acetate Chemical compound C1CN(CC(=O)OC(C)(C)C)CCC1N1CCN(C=2C=NC(C=NN)=CC=2)CC1 OSYLNIVYXONDEI-UHFFFAOYSA-N 0.000 claims 1
- DSZNMOPZHUMIGZ-UHFFFAOYSA-N tert-butyl 2-[4-[4-[4-(n'-hydroxycarbamimidoyl)phenyl]piperazin-1-yl]piperidin-1-yl]acetate Chemical compound C1CN(CC(=O)OC(C)(C)C)CCC1N1CCN(C=2C=CC(=CC=2)C(\N)=N\O)CC1 DSZNMOPZHUMIGZ-UHFFFAOYSA-N 0.000 claims 1
- JOXIMZWYDAKGHI-UHFFFAOYSA-M toluene-4-sulfonate Chemical class CC1=CC=C(S([O-])(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-M 0.000 claims 1
- KQTIIICEAUMSDG-UHFFFAOYSA-N tricarballylic acid Chemical class OC(=O)CC(C(O)=O)CC(O)=O KQTIIICEAUMSDG-UHFFFAOYSA-N 0.000 claims 1
- 150000001242 acetic acid derivatives Chemical class 0.000 abstract description 3
- 125000004178 (C1-C4) alkyl group Chemical group 0.000 abstract 5
- 125000003884 phenylalkyl group Chemical group 0.000 abstract 1
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 108
- 239000000543 intermediate Substances 0.000 description 96
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 90
- 239000007787 solid Substances 0.000 description 84
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 81
- 239000002904 solvent Substances 0.000 description 73
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 66
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 61
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 55
- 239000000243 solution Substances 0.000 description 51
- DTQVDTLACAAQTR-UHFFFAOYSA-N Trifluoroacetic acid Chemical compound OC(=O)C(F)(F)F DTQVDTLACAAQTR-UHFFFAOYSA-N 0.000 description 46
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 45
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 42
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 42
- 238000010992 reflux Methods 0.000 description 41
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 37
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 35
- 239000000377 silicon dioxide Substances 0.000 description 32
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 30
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 28
- 229910052681 coesite Inorganic materials 0.000 description 28
- 229910052906 cristobalite Inorganic materials 0.000 description 28
- 229910052682 stishovite Inorganic materials 0.000 description 28
- 229910052905 tridymite Inorganic materials 0.000 description 28
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 27
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 26
- -1 glutaconates Chemical class 0.000 description 25
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 24
- 238000001819 mass spectrum Methods 0.000 description 22
- VFRSADQPWYCXDG-LEUCUCNGSA-N ethyl (2s,5s)-5-methylpyrrolidine-2-carboxylate;2,2,2-trifluoroacetic acid Chemical compound OC(=O)C(F)(F)F.CCOC(=O)[C@@H]1CC[C@H](C)N1 VFRSADQPWYCXDG-LEUCUCNGSA-N 0.000 description 21
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 21
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 20
- 239000003921 oil Substances 0.000 description 20
- 235000019198 oils Nutrition 0.000 description 20
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 20
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 19
- JFDZBHWFFUWGJE-UHFFFAOYSA-N benzonitrile Chemical compound N#CC1=CC=CC=C1 JFDZBHWFFUWGJE-UHFFFAOYSA-N 0.000 description 18
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 18
- 239000003054 catalyst Substances 0.000 description 17
- 239000000741 silica gel Substances 0.000 description 17
- 229910002027 silica gel Inorganic materials 0.000 description 17
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 15
- 125000003118 aryl group Chemical group 0.000 description 15
- 239000012267 brine Substances 0.000 description 15
- GLUUGHFHXGJENI-UHFFFAOYSA-N Piperazine Chemical compound C1CNCCN1 GLUUGHFHXGJENI-UHFFFAOYSA-N 0.000 description 14
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 14
- INQOMBQAUSQDDS-UHFFFAOYSA-N iodomethane Chemical compound IC INQOMBQAUSQDDS-UHFFFAOYSA-N 0.000 description 14
- 238000000746 purification Methods 0.000 description 14
- 229910000029 sodium carbonate Inorganic materials 0.000 description 14
- 229960000583 acetic acid Drugs 0.000 description 13
- 238000004458 analytical method Methods 0.000 description 13
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 13
- 239000012044 organic layer Substances 0.000 description 13
- USFZMSVCRYTOJT-UHFFFAOYSA-N Ammonium acetate Chemical compound N.CC(O)=O USFZMSVCRYTOJT-UHFFFAOYSA-N 0.000 description 12
- 239000005695 Ammonium acetate Substances 0.000 description 12
- 229940043376 ammonium acetate Drugs 0.000 description 12
- 235000019257 ammonium acetate Nutrition 0.000 description 12
- HQKMJHAJHXVSDF-UHFFFAOYSA-L magnesium stearate Chemical compound [Mg+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O HQKMJHAJHXVSDF-UHFFFAOYSA-L 0.000 description 12
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 10
- 239000003153 chemical reaction reagent Substances 0.000 description 10
- 239000000706 filtrate Substances 0.000 description 10
- 229910000027 potassium carbonate Inorganic materials 0.000 description 10
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 10
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 description 9
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 9
- OKJPEAGHQZHRQV-UHFFFAOYSA-N Triiodomethane Natural products IC(I)I OKJPEAGHQZHRQV-UHFFFAOYSA-N 0.000 description 9
- 150000001409 amidines Chemical group 0.000 description 9
- 239000000284 extract Substances 0.000 description 9
- 239000007789 gas Substances 0.000 description 9
- 229910052763 palladium Inorganic materials 0.000 description 9
- 239000000843 powder Substances 0.000 description 9
- 239000011541 reaction mixture Substances 0.000 description 9
- 239000000725 suspension Substances 0.000 description 9
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 8
- WTDHULULXKLSOZ-UHFFFAOYSA-N Hydroxylamine hydrochloride Chemical compound Cl.ON WTDHULULXKLSOZ-UHFFFAOYSA-N 0.000 description 8
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 description 8
- 150000002148 esters Chemical class 0.000 description 8
- 235000017557 sodium bicarbonate Nutrition 0.000 description 8
- 238000003756 stirring Methods 0.000 description 8
- 239000008346 aqueous phase Substances 0.000 description 7
- 239000002585 base Substances 0.000 description 7
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 7
- 239000006071 cream Substances 0.000 description 7
- 229960001760 dimethyl sulfoxide Drugs 0.000 description 7
- 238000003818 flash chromatography Methods 0.000 description 7
- 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 7
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 7
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 7
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- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 125000000320 amidine group Chemical group 0.000 description 1
- 235000011114 ammonium hydroxide Nutrition 0.000 description 1
- 238000002399 angioplasty Methods 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 235000006708 antioxidants Nutrition 0.000 description 1
- 239000008135 aqueous vehicle Substances 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- 208000011775 arteriosclerosis disease Diseases 0.000 description 1
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- 150000001558 benzoic acid derivatives Chemical class 0.000 description 1
- PASDCCFISLVPSO-UHFFFAOYSA-N benzoyl chloride Chemical compound ClC(=O)C1=CC=CC=C1 PASDCCFISLVPSO-UHFFFAOYSA-N 0.000 description 1
- 238000005574 benzylation reaction Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 125000005620 boronic acid group Chemical class 0.000 description 1
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 1
- 229910052794 bromium Inorganic materials 0.000 description 1
- 239000000337 buffer salt Substances 0.000 description 1
- 244000309464 bull Species 0.000 description 1
- NMEGSGKCIWQRDB-UHFFFAOYSA-N butyl 2-bromoacetate Chemical compound CCCCOC(=O)CBr NMEGSGKCIWQRDB-UHFFFAOYSA-N 0.000 description 1
- 201000011510 cancer Diseases 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 150000001722 carbon compounds Chemical class 0.000 description 1
- 125000003262 carboxylic acid ester group Chemical group [H]C([H])([*:2])OC(=O)C([H])([H])[*:1] 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 238000009903 catalytic hydrogenation reaction Methods 0.000 description 1
- KXZJHVJKXJLBKO-UHFFFAOYSA-N chembl1408157 Chemical compound N=1C2=CC=CC=C2C(C(=O)O)=CC=1C1=CC=C(O)C=C1 KXZJHVJKXJLBKO-UHFFFAOYSA-N 0.000 description 1
- 125000001309 chloro group Chemical group Cl* 0.000 description 1
- WORJEOGGNQDSOE-UHFFFAOYSA-N chloroform;methanol Chemical compound OC.ClC(Cl)Cl WORJEOGGNQDSOE-UHFFFAOYSA-N 0.000 description 1
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- DOBRDRYODQBAMW-UHFFFAOYSA-N copper(i) cyanide Chemical compound [Cu+].N#[C-] DOBRDRYODQBAMW-UHFFFAOYSA-N 0.000 description 1
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- WBKFWQBXFREOFH-UHFFFAOYSA-N dichloromethane;ethyl acetate Chemical compound ClCCl.CCOC(C)=O WBKFWQBXFREOFH-UHFFFAOYSA-N 0.000 description 1
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- KAQKFAOMNZTLHT-VVUHWYTRSA-N epoprostenol Chemical compound O1C(=CCCCC(O)=O)C[C@@H]2[C@@H](/C=C/[C@@H](O)CCCCC)[C@H](O)C[C@@H]21 KAQKFAOMNZTLHT-VVUHWYTRSA-N 0.000 description 1
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- MLMPGZNPZQFERZ-UHFFFAOYSA-N ethyl 2-[4-[4-(4-methanehydrazonoylphenyl)piperazin-1-yl]piperidin-1-yl]propanoate Chemical compound C1CN(C(C)C(=O)OCC)CCC1N1CCN(C=2C=CC(C=NN)=CC=2)CC1 MLMPGZNPZQFERZ-UHFFFAOYSA-N 0.000 description 1
- ARFLASKVLJTEJD-UHFFFAOYSA-N ethyl 2-bromopropanoate Chemical compound CCOC(=O)C(C)Br ARFLASKVLJTEJD-UHFFFAOYSA-N 0.000 description 1
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- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 1
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- JMMWKPVZQRWMSS-UHFFFAOYSA-N isopropanol acetate Natural products CC(C)OC(C)=O JMMWKPVZQRWMSS-UHFFFAOYSA-N 0.000 description 1
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- GWYFCOCPABKNJV-UHFFFAOYSA-N isovaleric acid Chemical compound CC(C)CC(O)=O GWYFCOCPABKNJV-UHFFFAOYSA-N 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 208000017169 kidney disease Diseases 0.000 description 1
- 150000003903 lactic acid esters Chemical class 0.000 description 1
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- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000002207 metabolite Substances 0.000 description 1
- 230000009401 metastasis Effects 0.000 description 1
- OKKJLVBELUTLKV-VMNATFBRSA-N methanol-d1 Chemical compound [2H]OC OKKJLVBELUTLKV-VMNATFBRSA-N 0.000 description 1
- 125000006626 methoxycarbonylamino group Chemical group 0.000 description 1
- 125000004184 methoxymethyl group Chemical group [H]C([H])([H])OC([H])([H])* 0.000 description 1
- XMJHPCRAQCTCFT-UHFFFAOYSA-N methyl chloroformate Chemical compound COC(Cl)=O XMJHPCRAQCTCFT-UHFFFAOYSA-N 0.000 description 1
- 125000000250 methylamino group Chemical group [H]N(*)C([H])([H])[H] 0.000 description 1
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- PSHKMPUSSFXUIA-UHFFFAOYSA-N n,n-dimethylpyridin-2-amine Chemical compound CN(C)C1=CC=CC=N1 PSHKMPUSSFXUIA-UHFFFAOYSA-N 0.000 description 1
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
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- MUMZUERVLWJKNR-UHFFFAOYSA-N oxoplatinum Chemical compound [Pt]=O MUMZUERVLWJKNR-UHFFFAOYSA-N 0.000 description 1
- 125000006503 p-nitrobenzyl group Chemical group [H]C1=C([H])C(=C([H])C([H])=C1[N+]([O-])=O)C([H])([H])* 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 235000021317 phosphate Nutrition 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- GJQNVZVOTKFLIU-UHFFFAOYSA-N piperidin-1-ium-4-one;chloride Chemical compound Cl.O=C1CCNCC1 GJQNVZVOTKFLIU-UHFFFAOYSA-N 0.000 description 1
- 210000002381 plasma Anatomy 0.000 description 1
- 229910003446 platinum oxide Inorganic materials 0.000 description 1
- 239000002798 polar solvent Substances 0.000 description 1
- 230000003389 potentiating effect Effects 0.000 description 1
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- 239000003755 preservative agent Substances 0.000 description 1
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- QELSKZZBTMNZEB-UHFFFAOYSA-N propylparaben Chemical compound CCCOC(=O)C1=CC=C(O)C=C1 QELSKZZBTMNZEB-UHFFFAOYSA-N 0.000 description 1
- 229960003415 propylparaben Drugs 0.000 description 1
- QLULGIRFKAWHOJ-UHFFFAOYSA-N pyridin-4-ylboronic acid Chemical compound OB(O)C1=CC=NC=C1 QLULGIRFKAWHOJ-UHFFFAOYSA-N 0.000 description 1
- 150000003242 quaternary ammonium salts Chemical class 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 208000004644 retinal vein occlusion Diseases 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- 239000010948 rhodium Substances 0.000 description 1
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 1
- YGSDEFSMJLZEOE-UHFFFAOYSA-N salicylic acid Chemical class OC(=O)C1=CC=CC=C1O YGSDEFSMJLZEOE-UHFFFAOYSA-N 0.000 description 1
- 150000003902 salicylic acid esters Chemical class 0.000 description 1
- 125000002914 sec-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000001509 sodium citrate Substances 0.000 description 1
- 239000012312 sodium hydride Substances 0.000 description 1
- 229910000104 sodium hydride Inorganic materials 0.000 description 1
- 230000003019 stabilising effect Effects 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 230000004936 stimulating effect Effects 0.000 description 1
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- 125000001424 substituent group Chemical group 0.000 description 1
- 150000003900 succinic acid esters Chemical class 0.000 description 1
- IIACRCGMVDHOTQ-UHFFFAOYSA-N sulfamic acid Chemical class NS(O)(=O)=O IIACRCGMVDHOTQ-UHFFFAOYSA-N 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 239000000375 suspending agent Substances 0.000 description 1
- 238000007910 systemic administration Methods 0.000 description 1
- 150000003899 tartaric acid esters Chemical class 0.000 description 1
- DYHSDKLCOJIUFX-UHFFFAOYSA-N tert-butoxycarbonyl anhydride Chemical compound CC(C)(C)OC(=O)OC(=O)OC(C)(C)C DYHSDKLCOJIUFX-UHFFFAOYSA-N 0.000 description 1
- TUZXZKLQIBAYHZ-UHFFFAOYSA-N tert-butyl 2-[4-[4-(4-methanehydrazonoyl-2-methylphenyl)piperazin-1-yl]piperidin-1-yl]acetate Chemical compound CC1=CC(C=NN)=CC=C1N1CCN(C2CCN(CC(=O)OC(C)(C)C)CC2)CC1 TUZXZKLQIBAYHZ-UHFFFAOYSA-N 0.000 description 1
- JZXKPSCJKUEPFG-UHFFFAOYSA-N tert-butyl 2-[4-[4-[4-[(benzoylhydrazinylidene)methyl]phenyl]piperazin-1-yl]piperidin-1-yl]acetate Chemical compound C1CN(CC(=O)OC(C)(C)C)CCC1N1CCN(C=2C=CC(C=NNC(=O)C=3C=CC=CC=3)=CC=2)CC1 JZXKPSCJKUEPFG-UHFFFAOYSA-N 0.000 description 1
- ANCNTBUSBUODCH-UHFFFAOYSA-N tert-butyl 2-[4-[4-[4-[(diethoxyphosphorylhydrazinylidene)methyl]phenyl]piperazin-1-yl]piperidin-1-yl]acetate Chemical compound C1=CC(C=NNP(=O)(OCC)OCC)=CC=C1N1CCN(C2CCN(CC(=O)OC(C)(C)C)CC2)CC1 ANCNTBUSBUODCH-UHFFFAOYSA-N 0.000 description 1
- NXCGOARAUBVNNP-UHFFFAOYSA-N tert-butyl 2-[4-[4-[4-[(e)-n'-methoxycarbonylcarbamimidoyl]phenyl]piperazin-1-yl]piperidin-1-yl]acetate Chemical compound C1=CC(C(N)=NC(=O)OC)=CC=C1N1CCN(C2CCN(CC(=O)OC(C)(C)C)CC2)CC1 NXCGOARAUBVNNP-UHFFFAOYSA-N 0.000 description 1
- YDQGKUJOXTYOOT-UHFFFAOYSA-N tert-butyl 2-[4-[4-[5-[(e)-n'-hydroxycarbamimidoyl]pyridin-2-yl]piperazin-1-yl]piperidin-1-yl]acetate Chemical compound C1CN(CC(=O)OC(C)(C)C)CCC1N1CCN(C=2N=CC(=CC=2)C(\N)=N/O)CC1 YDQGKUJOXTYOOT-UHFFFAOYSA-N 0.000 description 1
- VXKWYPOMXBVZSJ-UHFFFAOYSA-N tetramethyltin Chemical compound C[Sn](C)(C)C VXKWYPOMXBVZSJ-UHFFFAOYSA-N 0.000 description 1
- 238000004809 thin layer chromatography Methods 0.000 description 1
- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical class CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 description 1
- 238000011200 topical administration Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000002054 transplantation Methods 0.000 description 1
- NHDIQVFFNDKAQU-UHFFFAOYSA-N tripropan-2-yl borate Chemical compound CC(C)OB(OC(C)C)OC(C)C NHDIQVFFNDKAQU-UHFFFAOYSA-N 0.000 description 1
- HRXKRNGNAMMEHJ-UHFFFAOYSA-K trisodium citrate Chemical compound [Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O HRXKRNGNAMMEHJ-UHFFFAOYSA-K 0.000 description 1
- 229940038773 trisodium citrate Drugs 0.000 description 1
- 208000019553 vascular disease Diseases 0.000 description 1
- 239000003981 vehicle Substances 0.000 description 1
- SYOKIDBDQMKNDQ-XWTIBIIYSA-N vildagliptin Chemical compound C1C(O)(C2)CC(C3)CC1CC32NCC(=O)N1CCC[C@H]1C#N SYOKIDBDQMKNDQ-XWTIBIIYSA-N 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000008215 water for injection Substances 0.000 description 1
- 230000029663 wound healing Effects 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 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
- C07D401/02—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
- C07D401/12—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 linked by a chain containing hetero atoms as chain links
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P7/00—Drugs for disorders of the blood or the extracellular fluid
- A61P7/02—Antithrombotic agents; Anticoagulants; Platelet aggregation inhibitors
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D211/00—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings
- C07D211/04—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D211/06—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members
- C07D211/08—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members with hydrocarbon or substituted hydrocarbon radicals directly attached to ring carbon atoms
- C07D211/18—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members with hydrocarbon or substituted hydrocarbon radicals directly attached to ring carbon atoms with substituted hydrocarbon radicals attached to ring carbon atoms
- C07D211/26—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members with hydrocarbon or substituted hydrocarbon radicals directly attached to ring carbon atoms with substituted hydrocarbon radicals attached to ring carbon atoms with hydrocarbon radicals, substituted by nitrogen atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D211/00—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings
- C07D211/04—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D211/06—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members
- C07D211/36—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D211/56—Nitrogen atoms
- C07D211/58—Nitrogen atoms attached in position 4
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
- C07F9/02—Phosphorus compounds
- C07F9/547—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom
- C07F9/6558—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom containing at least two different or differently substituted hetero rings neither condensed among themselves nor condensed with a common carbocyclic ring or ring system
- C07F9/65583—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom containing at least two different or differently substituted hetero rings neither condensed among themselves nor condensed with a common carbocyclic ring or ring system each of the hetero rings containing nitrogen as ring hetero atom
Definitions
- This invention relates to acetic acid derivatives, to processes for their preparation, to pharmaceutical compositions containing such compounds and to their use in medicine.
- glycoprotein complex Gp ⁇ b/TJIa is the fibrinogen binding site on platelets that mediates the adhesive function required for platelet aggregation and thrombus formation.
- X 1 and Y 1 which may be the same or different, represent CH or N;
- X 2 represents CH or, when X 1 represents CH, may also represent N;
- Y 2 represents N or, when Y 1 represents N, may also represent CH;
- Z represents N or N *" R 5 ;
- R 1 represents a hydrogen atom or a hydroxyl, C M alkyl or 2,2,2- trifluoroethyl group
- R 2 represents a hydrogen atom or, when both X 1 and X 2 represent CH, may also represent a fluorine, chlorine or bromine atom or a C alkyl group;
- R 3 represents a hydrogen atom or, when both Y 1 and Y 2 represent N, may also represent a C M alkyl or hydroxymethyl group.
- R 4 represents a hydrogen atom or , when Z represents N, R 4 may also represent a C M alkyl
- R 5 represents a C M alkyl or phenylC M alkyl group
- R 6 represents a hydrogen atom or a C M alkyl group.
- salts referred to above will be the physiologically acceptable salts, but other salts may find use, for example in the preparation of compounds of formula (I) and the physiologically acceptable salts thereof.
- the compounds of formula (I) in which R 2 is other than hydrogen contain at least one chiral centre (shown as * in formula (I)) and that such compounds exist in the form of a pair of optical isomers (i.e- enantiomers).
- the invention includes all such isomers and mixtures thereof including racemic mixtures.
- Suitable physiologically acceptable salts of the compounds of formula (I) include acid addition salts formed with inorganic or organic acids (for example hydrochlorides, hydrobromides, sulphates, phosphates, benzoates, naphthoates, hydroxynaphthoates, p- toluenesulphonates, methanesulphonates, sulphamates, ascorbates, tartrates, salicylates, succinates, lactates, glutarates, glutaconates, acetates, tricarballylates, citrates, fi marates and maleates) and inorganic base salts such as alkali metal salts (for example sodium salts).
- inorganic or organic acids for example hydrochlorides, hydrobromides, sulphates, phosphates, benzoates, naphthoates, hydroxynaphthoates, p- toluenesulphonates, methanesulphonates, sulphamates, ascor
- salts of the compounds of formula (I) include salts formed with trifluoroacetic acid.
- the present invention encompasses all isomers of the compounds of formula (I) and their salts and solvates, including all tautomeric and optical forms, and mixtures thereof (e.g. racemic mixtures)- It is to be further understood that the present invention includes pharmacuetically acceptable derivatives of the compounds of formula (I).
- pharmaceutically acceptable derivative is meant any pharmaceutically acceptable ester or salt or solvate of such ester of the compounds of formula (I) or any other compound which upon administration to the recipient is capable of providing (directly or indirectly) a compound of formula (I) or an active metabolite or residue thereof.
- the compounds of formula (I) may be modified to provide pharmaceutically acceptable derivatives thereof at any of the functional groups in the compounds.
- Such derivatives are compounds modified at the carboxyl or amidine functions.
- compounds of interest include carboxylic acid esters of the compounds of formula (I).
- esters include C M alkyl esters, more preferably C, .3 alkyl esters, such as ethyl esters.
- Other compounds of interest as pharmaceutically acceptable derivatives include benzoylamidine, alkyloxycarbonyl amidine and dialkyloxyphosphinyl amidine derivatives of the compounds of formula (I), which may be prepared by transformation of the amidine group.
- the pharmaceutically acceptable derivatives of the compounds of formula (I) may be derivatised at more than one position. It will be further appreciated by those skilled in the art that carboxylic acid ester derivatives of formula (I) may be useful as intermediates in the preparation of compounds of formula (I), or as pharmaceutically acceptable derivatives of formula (I), or both.
- alkyl' as a group or part of a group means a straight or branched chain alkyl group, for example a methyl, ethyl, n- propyl, i-propyl, n-butyl, s-butyl or t-butyl group.
- X 1 and X 2 both represent CH; Y 1 and Y 2 both represent N;
- Z represents N or N *" R 5 , where R 5 represents a methyl or benzyl group; Z most preferably represents N; R 1 represents a hydrogen atom;
- R 2 represents a hydrogen, fluorine or chlorine atom, or a C-_ 4 alkyl group; R 2 most preferably presents a hydrogen atom; R 4 represents a hydrogen atom; R 6 represents a hydrogen atom or a methyl group; and R ⁇ most preferably represents a hydrogen atom.
- Whe 2 represents a chlorine or bromine atom or a C M alkyl group
- R 2 is preferably in the position meta to the amidine function.
- a particularly preferred compound of the invention is 4-[4-[4- (a ⁇ r ⁇ ino-- ⁇ nmomethyl)phenyl]-l-piperazinyl]-l-piperidineacetic acid and physiologically acceptable salts and solvates thereof.
- 2-oxoethyl)-l-methylpiperidinium salts including physiologically acceptable salts and solvates thereof;
- the compounds of the present invention are of interest for use in human and veterinary medicine, particularly in the treatment or prophylaxis of thrombotic disorders.
- thrombotic disorders include occlusive vascular diseases such as myocardial infarction, cardiac fatalities, angina, transient ischaemic attacks and thrombotic stroke, arteriosclerosis, vessel wall disease, peripheral vascular disease, nephropathy, retinopathy, postoperative thrombosis, pulmonary embolism, deep vein thrombosis and retinal vein thrombosis.
- the compounds of the invention are also of interest for use in the prophylaxis of peri- and postoperative complications following organ transplantation (particularly cardiac and renal), coronary artery bypass, peripheral artery bypass, angioplasty, thrombolysis and endarterectomy.
- the compounds of the invention may also be useful for the treatment or prophylaxis of other conditions in which the glycoprotein complex Gp ⁇ b ⁇ ia or other integrin receptors are implicated.
- the compounds of the invention may potentiate wound healing and be useful in the treatment of osteoporosis.
- the compounds of the invention may also be useful for the treatment of certain cancerous diseases-
- compounds of the invention may be of use to prevent or delay metastasis in cancer.
- a compound of formula (I) or a physiologically acceptable salt or solvate thereof for the manufacture of a medicament for the treatment or prophylaxis of thrombotic disorders-
- a method of treating a human or animal subject suffering from or susceptible to a thrombotic disorder comprises administering to said subject an effective amount of a compound of formula (I) or a physiologically acceptable salt or solvate thereof.
- the compounds of formula (I) may advantageously be used in conjunction with one or more other therapeutic agents.
- suitable agents for adjunctive therapy include thrombolytic agents or any other compound stimulating thrombolysis or fibrinolysis and cytotoxic drugs.
- the present invention covers the use of a compound of formula ( ⁇ ) or a physiologically acceptable salt or solvate thereof in combination with one or more other therapeutic agents.
- compositions comprising a compound of formula (I) or a physiologically acceptable salt or solvate thereof adapted
- compositions for use in human or veterinary medicine.
- Such compositions may conveniently be presented for use in conventional manner in admixture with one or more physiologically acceptable carriers or excipients.
- the compounds according to the invention may be formulated for administration in any suitable manner.
- the compounds may, for example, be formulated for topical administration or administration by inhalation or, more preferably, for oral or parenteral administration.
- the pharmaceutical composition may take the form of, for example, tablets, capsules, powders, solutions, syrups or suspensions prepared by conventional means with acceptable excipients.
- the pharmaceutical composition may be given as an injection or a continuous infusion (e.g. intravenously, intravascularly or subcutaneously).
- the compositions may take such forms as suspensions, solutions or emulsions in oily or aqueous vehicles and may contain formulatory agents such as suspending, stabilising and/or dispersing agents.
- formulatory agents such as suspending, stabilising and/or dispersing agents.
- For administration by injection these may take the form of a unit dose presentation or as a multidose presentation preferably with an added preservative.
- the active ingredient may be in powder form for reconstitution with a suitable vehicle.
- the compounds of the invention may also be formulated as a depot preparation.
- Such long acting formulations may be administered by implantation (for example subcutaneously or intramuscularly) or by intramuscular injection.
- the compounds of the invention may be formulated with suitable polymeric or hydrophobic materials (for example as an emulsion in an acceptable oil) or ion exchange resins, or as sparingly soluble derivatives, for example, as a sparingly soluble salt.
- the compounds of the invention may also be used in combination with other therapeutic agents.
- the invention thus provides, in a further aspect, a combination comprising a compound of formula (I) or a physiologically acceptable salt or solvate thereof together with another therapeutic agent, in particular a thrombolytic agent.
- Another therapeutic agent in particular a thrombolytic agent.
- the combinations referred to above may conveniently be presented for use in the form of a pharmaceutical formulation and thus pharmaceutical formulations comprising a combination as defined above together with a pharmaceutically acceptable carrier or excipient comprise a further aspect of the invention.
- the individual components of such combinations may be administered either sequentially or simultaneously in separate or combined pharmaceutical formulations.
- a proposed daily dosage of a compound of formula (I) for the treatment of man is 0.01 mg/kg to 30 mg kg, which may be conveniently administered in 1 to 4 doses.
- the precise dose employed will depend on the age and condition of the patient and on the route of administration.
- a daily dose of O.lmg/kg to lOmg/kg may be suitable for systemic administration.
- alkylation e.g. ethylation
- a suitable alkylating agent such as an alcoholic solvent (e.g. methanol) at an elevated temperature (e.g. reflux)
- a source of ammonia e.g. ammonium acetate
- a suitable solvent such as an alcoholic solvent (e.g. methanol) at an elevated temperature (e.g. reflux)
- the alkylation may conveniently be effected by employing an appropriate trialkyloxonium salt (e.g. triethyloxonium tetrafluoroborate) in a suitable solvent (e.g. dichloromethane) at room temperature.
- an appropriate trialkyloxonium salt e.g. triethyloxonium tetrafluoroborate
- suitable solvent e.g. dichloromethane
- methylation or benzylation may conveniently be effected using an alkyl or benzyl halide (e.g. iodomethane) in a suitable solvent such as a ketone (e.g. acetone) at an elevated temperature (e.g. reflux).
- a suitable solvent such as a ketone (e.g. acetone)
- an elevated temperature e.g. reflux
- hydroxylamine or an acid addition salt thereof e.g. hydroxyla ine hydrochloride
- a suitable base such as an alkali or alkaline earth metal carbonate or bicarbonate (e.g. potassium carbonate) or an alkoxide such as potassium tert-butoxide and in a solvent such as an alcohol (e.g. methanol or tert-butanol), followed, where necessary, by removing any protecting groups present.
- a suitable base such as an alkali or alkaline earth metal carbonate or bicarbonate (e.g. potassium carbonate) or an alkoxide such as potassium tert-butoxide
- a solvent such as an alcohol (e.g. methanol or tert-butanol)
- reaction 20 or an acid addition salt thereof may conveniently be effected at an elevated temperature (e.g. reflux) when a carbonate or bicarbonate is used.
- elevated temperature e.g. reflux
- the reaction may conveniently be effected at a temperature in the range of about 20° to 80°C.
- compounds of formula (I) in which R' represents a hydroxyl, C M alkyl or 2,2,2-trifluoroethyl group may be prepared by treating
- compounds of formula (I) may be prepared by interconversion, utilising other compounds of formula (I) as precursors.
- compounds of formula (I) in which R 1 represents a hydrogen atom may be prepared from corresponding compounds of formula (I) in which R 1 represents a hydroxyl group by catalytic hydrogenation in a solvent such as an alcohol (e.g. ethanol), or acetic acid preferably in the presence of acetic anhydride.
- a solvent such as an alcohol (e.g. ethanol), or acetic acid preferably in the presence of acetic anhydride.
- Suitable catalysts include Raney Nickel or conventional palladium, platinum or rhodium catalysts.
- compounds of formula (I) in which R 1 is hydrogen, C w alkyl or 2,2,2-trifluoroethyl and ring -C- represents
- R l is hydrogen, C w alkyl or 2,2,2-trifluoroethyl
- a platinum catalyst e.g. PtO
- the reaction may conveniently be effected in a solvent such as an alcohol (e.g. ethanol), and optionally in the presence of an acid, such as hydrochloric acid.
- Another process (G) for preparing compounds of formula (I) comprises deprotecting protected derivatives of compounds of formula (I).
- compounds of formula (I) may be prepared from protected carboxyl derivatives of compounds of formula (I).
- Suitable carboxyl protection groups include, for example, those described in
- carboxyl protecting groups include, for example, carboxylic acid ester groups such as carboxylic acid alkyl or aralkyl esters, for example where the alkyl or aralkyl portion of the ester function is methyl, ethyl, tert-butyl, methoxymethyl, benzyl, diphenylmethyl, triphenylmethyl or p-nitrobenzyl.
- carboxylic acid ester groups such as carboxylic acid alkyl or aralkyl esters, for example where the alkyl or aralkyl portion of the ester function is methyl, ethyl, tert-butyl, methoxymethyl, benzyl, diphenylmethyl, triphenylmethyl or p-nitrobenzyl.
- ester is an unbranched alkyl (e.g. methyl) ester deprotection may be effected under conditions of acid hydrolysis, for example using hydrochloric acid.
- Tert-butyl and triphenylmethyl ester groups may be removed under conditions of moderate acid hydrolysis, for example using formic or trifluoroacetic acid at room temperature or using hydrochloric acid in acetic acid.
- Benzyl, diphenylmethyl and nitrobenzyl ester groups may be removed by hydrogenolysis in the presence of a metal catalyst (e.g. palladium).
- reaction may conveniently be carried out in a solvent such as dimethylformamide or pyridine and in the presence of an organic base such as an amine (e.g. triethylamine).
- a solvent such as dimethylformamide or pyridine
- an organic base such as an amine (e.g. triethylamine).
- Unprotected compounds of formula (HI) may also be prepared from compounds of formula ON) by removing the carboxylic acid protecting group R p according to the method described in process (E) hereinabove.
- a mixture of compounds of formulae (V) and (NI) may be treated with a reducing agent such as a metal borohydride in the presence of a suitable acid and in a suitable solvent at about room temperature.
- a reducing agent such as a metal borohydride
- the reduction may conveniently be carried out using sodium cyanoborohydride in a solvent such as an alcohol (e.g. methanol) in the presence of an acid (e.g. hydrochloric acid) and preferably also with molecular sieves.
- the reduction may be effected using sodium triacetoxyborohydride in a solvent such as tetrahydrofuran or dichloromethane in the presence of an acid (e.g. acetic acid).
- Compounds of formula (NI) may be prepared from an ⁇ -protected (e.g. ⁇ -benzyl protected) piperidin-4-one, optionally substituted by C M alkyl, by removal of the protecting group followed by treatment with a reagent HalCHR 6 CO 2 R p preferably in the presence of a suitable base such as an alkali metal carbonate or bicarbonate (e.g. potassium carbonate) and in a solvent such as a nitrile (e.g. acetonitrile), conveniently at an elevated temperature (e.g. reflux).
- a suitable base such as an alkali metal carbonate or bicarbonate (e.g. potassium carbonate)
- a solvent such as a nitrile (e.g. acetonitrile)
- the removal of the protecting group may be effected by hydrogenolysis in the presence of a suitable transition metal catalyst such as a palladium catalyst (e.g. Pd(OH) 2 ).
- a suitable transition metal catalyst such as a palladium catalyst (e.g. Pd(OH) 2 ).
- a base such as an alkali or alkaline earth metal carbonate or bicarbonate (e.g. sodium bicarbonate) and in a suitable solvent such as an aprotic polar solvent (e.g. dimethylformamide, acetonitrile or dimethylsulphoxide), conveniently at an elevated temperature.
- a base such as an alkali or alkaline earth metal carbonate or bicarbonate (e.g. sodium bicarbonate)
- a suitable solvent such as an aprotic polar solvent (e.g. dimethylformamide, acetonitrile or dimethylsulphoxide), conveniently at an elevated temperature.
- aprotic polar solvent e.g. dimethylformamide, acetonitrile or dimethylsulphoxide
- Compounds of formula (NHI) may be prepared from compounds of formula (VI) by reacting said compounds of formula (VI) with a suitable piperazine derivative, optionally protected (e.g. ⁇ -benzyl protected), under reducing conditions, for example as described above for the reaction between compounds of formulae (N) and (VI), followed, where appropriate, by the removal of any ⁇ -protecting group present using conventional conditions, for example as described above.
- a suitable piperazine derivative optionally protected (e.g. ⁇ -benzyl protected)
- SUBSTITUTE S may be prepared from compounds of formula (IX)
- Compounds of formula (XI) may be prepared by reacting a 4- halopyridine derivative with 4-pyridylboronic acid, preferably in the presence of a suitable transition metal catalyst such as a palladium catalyst [e.g. tetrakis(triphenylphosphine)palladium(0)] and a suitable base such as an alkali metal carbonate (e.g. sodium carbonate).
- a suitable transition metal catalyst such as a palladium catalyst [e.g. tetrakis(triphenylphosphine)palladium(0)]
- a suitable base such as an alkali metal carbonate (e.g. sodium carbonate).
- the reaction may conveniently be effected in a solvent such as an aqueous ether (e.g. aqueous 1,2-ethanediol dimethyl ether).
- Compounds of formula (XV) may be prepared by reacting a suitable 4-halopyridine with a suitable piperazine under the conditions described above for preparing compounds of formula (IV) from compounds of formula (VII).
- Suitable bases include alkali or alkaline earth metal carbonates or bicarbonates such as sodium bicarbonate or potassium carbonate.
- the reaction may conveniently be effected in a solvent such as dimethylformamide or dimethylsulphoxide at an elevated temperature (e.g. 100°-200°C).
- a solvent such as dimethylformamide or dimethylsulphoxide at an elevated temperature (e.g. 100°-200°C).
- compounds of formula (XVI) are treated with benzyl bromide in an alcoholic solvent (e.g. ethanol) or a halogenated hydrocarbon (e.g. dichloromethane) at an elevated temperature to provide a salt of formula (XVII)
- an alcoholic solvent e.g. ethanol
- a halogenated hydrocarbon e.g. dichloromethane
- borohydride reducing agent such as sodium borohydride in a suitable solvent such as an alcohol (e.g. ethanol) or dimethylformamide or a mixture of such solvents to a compound of formula (XVm)
- Removal of the benzyl group and reduction of the double bond from a compound of formula (XVHI) provides the desired compounds of formula (V).
- the removal of the benzyl group may conveniently be effected by hydrogenolysis in the presence of a palladium catalyst such as Pd(OH) 2 -on-carbon, or by reaction with 1-chloroethyl chloroformate in the presence of a base such as 'proton sponge' followed by treatment with methanol.
- the reduction of the double bond may conveniently be effected by hydrogenation in the presence of a platinum catalyst such as platinum-on-carbon or platinum oxide or a palladium catalyst such as palladium hydroxide-on-carbon and optionally in the presence of an acid (e.g. hydrochloric acid).
- the compound of formula (XX) is a known compound described by W. J. Thompson et al in J. Org. Chem., 1988, 53, 2052.
- Compounds of formula (VII) are either known compounds or may be prepared from the known compounds of formula (VII) using conventional chemistry.
- Compounds of formula (I) or intermediates thereto in which ring -A- represents a C M alkyl substituted phenyl group may conveniently be prepared by modification of the corresponding compound in which ring -A- represents a bromo substituted phenyl group.
- the bromo substituted intermediate may be treated with a zinc reagent RZnBr (where R is C M alkyl) in the presence of a palladium catalyst such as lchloro[l, -bis(diphenylphosphino)ferrocene]paIlad ⁇ um Ql).
- Alkylation may also be effected using a tin reagent R 4 Sn (where R is C M alkyl) in the presence of a palladium catalyst such as bis (triphenylphosphine)benzylpalladium chloride.
- a palladium catalyst such as bis (triphenylphosphine)benzylpalladium chloride.
- Compounds of formula (XXI) may be prepared by reacting compounds of formula (V) with an N-protected piperidin-4-one, optionally substituted by C M alkyl, under reducing conditions (for example as described above for the reaction between compounds of formulae (V) and (VI)), followed by removing the N-protecting group.
- Suitable protecting groups include -CO 2 Alk (where Alk is an alkyl group such as t-butyl), or aralkyl, for example benzyl.
- the former protecting group may be removed by acid hydrolysis (e.g. using trifluoroacetic acid at about room temperature), the latter under the conditions described above for the removal of the benzyl group from compounds of formula (XvTfl).
- reaction may conveniently be effected in a solvent such as an aromatic hydrocarbon (e.g. toluene) and preferably in the presence of alumina at an elevated temperature.
- a suitable inorganic nitrile such as sodium cyanide
- a palladium catalyst e.g. tetrakis(triphenylphosphine)palladium(0).
- the reaction may conveniently be effected in a solvent such as an aromatic hydrocarbon (e.g. toluene) and preferably in the presence of alumina at an elevated temperature.
- Compounds of formula (XXII) may be prepared by reacting a 2,5- dihalopyridine (e.g. 2,5-dibromopyridine) with a compound of formula (V-QI) or a compound of formula
- Compounds of formula (XXIV) may be prepared by reacting a 2,5- dihalopyridine (e.g.2,5-dibromopyridine) with a compound of formula (X) under the conditions described above for the reaction between compounds of formulae (VH) and (N-H).
- a 2,5- dihalopyridine e.g.2,5-dibromopyridine
- Compounds of formula (XXV) may be prepared by reacting a 2,5- dihalopyridine (e.g. 2,5-dibromopyridine) with a compound of formula (XV) under the conditions described above for the reaction between compounds of formulae (VH) and (VQI).
- a 2,5- dihalopyridine e.g. 2,5-dibromopyridine
- a compound of formula (XV) under the conditions described above for the reaction between compounds of formulae (VH) and (VQI).
- Compounds of formula (XXIII) may be prepared by treating a compound of formula (X) with a reagent HalCHR 6 CO 2 R p under the conditions described above for preparing compounds of formula (VI).
- Compounds of formula (XXNII) may be prepared by reacting a 2,5- dihalopyridine (e.g.2,5-dibromopyridine) with a compound of formula (XX) under the boronic acid coupling conditions described previously.
- a 2,5- dihalopyridine e.g.2,5-dibromopyridine
- Halopyridines and dihalopyridines described above are known in the art.
- Alkyl substituted halopyridines are either known compounds described in Chem. Pharm. Bull., 1988, 36, 2244 and I. Het. Chem., 1988, 25, 81 or may be prepared according to the methods described therein.
- the desired stereochemistry of the product may be obtained either by commencing with an optically pure starting material or by resolving the racemic mixture at any convenient stage in the synthesis.
- an intermediate or a starting material may be effected by any suitable method known in the art: see for example 'Stereochemistry of Carbon Compounds' by E L Eliel (McGraw Hill, 1962) and 'Tables of Resolving Agents' by S HWilen- Certain intermediates described above are novel compounds, and it is to be understood that all novel intermediates herein form further aspects of the present invention. Compounds of formula (IV) are key intermediates and represent a particular aspect of the present invention.
- acids of formula (I) are isolated following work-up as acid addition salts, e.g. trifluoroacetate salts.
- Physiologically acceptable acid addition salts of the compounds of formula (I) may be prepared from the corresponding trifluoroacetate salts by exchange of ion using conventional means, for example by neutralisation of the trifluoroacetate salt using abase such as aqueous sodium hydroxide, followed by addition of a suitable organic or inorganic acid.
- Inorganic base salts of the compounds of formula (I) may also be prepared from the corresponding trifluoroacetate salts by addition of a suitable strong base such as sodium hydride.
- Solvates e.g. hydrates of a compound of formula (I) may be formed during the work-up procedure of one of the aforementioned process steps.
- the following Preparations and Examples illustrate the invention but do not limit the invention in any way. All temperatures are in °C. Thin layer chromatography (T.l.c.) was carried out on silica plates. System A is dichloromethane-ethanol- 0.880 ammonia. System B is dichloromethane-methanol - 0.880 ammonia. Preparative high performance liquid chromatography (h.p.l.c.) was carried out using a Dynamax 60A C18 8 ⁇ M 25cm x 41.4mm i.d.
- N-Benzyl-4-piperidone (lOg) was dissolved in absolute ethanol (100ml), treated with dilute hydrochloric acid (2N; 29ml) and hydrogenated at room temperature and pressure over Pearlmann's catalyst (lg) for 18h.
- the catalyst was removed by filtering through "hyflo” and the solvent was removed in vacuo to leave the title compound
- the title compound (a) as a white powder (65mg) having a mass spectrum [Mi ] of 416, and after R ⁇ 17.0 min the title compound (b) as a pale pink powder (lOOmg), also having a mass spectrum [MIT] of 416.
- Methyl iodide (0.85ml) was added to a stirred suspension of Intermediate 10 (3.0g) in acetone (200ml) and the mixture was heated at reflux for 3h. The solvent was removed in vacuo and the residue dissolved in methanol (200ml). Trifluoroethylamine (1.15ml) was added and the mixture heated at ca. 60° under nitrogen for 5h. The solvent was removed in vacuo to leave a yellow foam which was purified by preparative h.plc. (gradient profile 10-70% (ii) in 18 min.) to give after R-. 11.07 min. the title compound as a white powder (182mg). Analytical h.plc. (gradient profile 10-90% (ii) in 25 min.) R-. 9.63 min.
- Example 14 cis- 1.1 -Dimethylethyl 4-[4-[4-[aminof hydroxyimino)methyl]phenyl]- 1 - piperazinyl]-3-methyl- 1 -piperidineacetate
- Example 8 (152mg) was treated with a mixture of trifluoroacetic acid and water (9:1; 50ml). The mixture was stirred at room temperature for 20min before the reagents were removed in vacuo to leave the title compound as a pink solid (120mg). Analysis Found : C-39.6; H.4.5; N,9.2; C 18 H 27 N 5 O 2 .3.65C 2 HF 3 O 2 requires : C,39.9; H,4.1; N,9.2%.
- Example 16 fa) trans-4-[4-[4-f AminoiminomethvDphenyl]-! -piperazinyl]-! -f 2-hydroxy- 2-oxoethylVl-methylpiperidinium trifluoroacetate salt
- fb cis-4-[4-[4- AminoiminomethvDphenyl]- 1 -piperazinyl]- 1 -f 2-hvdroxy-2-oxoethylV 1 - methylpiperidinium trifluoroacetate salt
- Example la (58mg) was treated with trifluoroacetic acid and water (9:1; 25ml) and the mixture stirred at room temperature for 20min.
- Example 2 A solution of Example 2 (0.12g) in trifluoroacetic acid (4.5ml) and water (0.5ml) was stirred at room temperature for 5h. The solution was evaporated under reduced pressure and the residue triturated under isopropyl acetate to yield the title compound as an off-white powder (0.2g).
- Example 4 (44mg) was dissolved in trifluoroacetic acid-water (9:1, 10ml) and the mixture allowed to stand for 4h. The solvents were removed in vacuo and the residue triturated with dry ether to afford the title compound as a colourless solid (42mg). Analysis Found: C,37.65; H,4.0; N,9.9;
- Example 5 (252mg) in trifluoroacetic acid-water (9:1, 20ml) was allowed to stand for 2h and the solvents evaporated in vacuo. The residue was triturated with dry ether
- Example 6 (60mg) was dissolved in trifluoroacetic acid-water (9:1, 10ml) and the solution allowed to stand for 4h. The solvent was removed in vacuo and the residue triturated with dry ether (5ml). Purification by preparative h.plc. (gradient profile 5-20% (ii) over lOmin and 20% (ii) isochratic for 8min) afforded after R-.13.5 min. the title compound as a colourless solid (15mg).
- Example 7 (82mg) was stirred at room temperature under nitrogen in a mixture of trifluoroacetic acid (4.5ml) and water (0.5ml) for 3.5h. The solvents were removed in vacuo to afford the title compound (67mg) as an off-white solid.
- N.m.r. ( ⁇ , D 6 -DMSO) : 1.9-2.4 SH ⁇ C-E ⁇ s), 3-4 (lOH-H j O +
- Example 15 (0.15g) was dissolved in ethanol (70ml) and hydrogen chloride gas was bubbled into the cooled (ice bath) solution for 20min, which was then stirred overnight at room temperature. The solvent was removed in vacuo to yield the title compound as a pale pink solid (lOOmg). Mass spectrum [MIT] 374.2.
- Example 9 (lOOmg) was treated with a mixture of trifluoroacetic acid and water
- Example 10 (97mg) was treated with trifluoroacetic acid and water (9:1, 25ml) and the mixture stirred at room temperature for 3h. The reagents were removed in vacuo to leave an oil which was triturated with ether to leave the title compound as a white solid
- Example 26 4-[4-[4-f AminoiminomethyDphenyl]- 1 -piperazinyl]- ⁇ -methyl- 1 - piperidineacetic acid
- Example 11 (1.45g) was dissolved in 2N hydrochloric acid ( ⁇ 100ml) and the mixture stirred at ca- 60° for 3 days. The solvent was removed in vacuo leaving the title compound as a pink solid (0.98g).
- Example 27 r-[4-fAminoiminomethyl phenyl][4.4'-bipiperidine]-l-acetic acid, trifluoroacetate salt
- Mass spectrum [MET] 345.5 A solution of Example 12 (105mg) in trifluoroacetic acid-water (9:1,15ml) was allowed to stand at 22° for 2.5h. The solvent was removed in vacuo and the residue purified by preparative h.plc. (gradient profile 5-20% (ii) in lOmin and 20% (ii) isochratic for 8 min.)
- Example 13 (a) (30mg) was treated with trifluoroacetic acid and water (1:1) (10ml), and the mixture was stirred at room temperature for 18h. The solvent was removed in vacuo to give the title compound as an off white solid (26mg)
- Example 13 (b) (86mg) was treated with trifluoroacetic acid and water (9:1, 10ml), and the mixture was stirred at room temperature for 18h. The solvent was removed in vacuo to give the title compound as a white solid f76mg).
- Mass spectrum [MIT] 436 (86mg) was treated with trifluoroacetic acid and water (9:1, 10ml), and the mixture was stirred at room temperature for 18h. The solvent was removed in vacuo to give the title compound as a white solid f76mg).
- Example 14 Acetic acid (10ml) and acetic anhydride (0.3ml) were added together to a mixture of Example 14 (0.9g) and 5% palladium on carbon (lOOmg) under nitrogen, and the mixture was hydrogenated at room temperature and pressure until hydrogen uptake had ceased.
- the mixture was filtered through 5N HCl washed Hi-flow, and the filter cake washed with 5N hydrochloric acid (3 x 10ml). The filtrate was stirred under nitrogen for
- Example 8 Sodium hydroxide solution (2N: 3ml) was added to Example 8 (0.7g) and the suspension evaporated to dryness- The solid residue was suspended in dry pyridine (15ml) and ethyl chloroformate (0.214ml) added. After lh, the solvent was removed in vacuo and the residue purified by preparative h.plc. (gradient profile 10-45% (ii) in 17 min) to give after - ⁇ 12.9 min the title compound as a beige solid (0.03g). Analytical h. ⁇ lc. (gradient profile 10-90% (ii) in 25 min) R ⁇ O. ⁇ min.
- Example 31 A solution of Example 31 (0.032g), in trifluoroacetic acid (6ml) and water (1ml) was stirred at room temperature under nitrogen for 5h. The solvent was evaporated to give the title compound as a white solid (0.025g). Assay Found: C,37.3; H.3.6; N,6.8.
- Example 8 A solution of Example 8 (0.4g) in dry dichlomethane (50ml) was treated with methyl chloroformate (0.05ml) and then sodium hydroxide solution (0. IN, 26.4m! and the mixture was stirred vigorously for 20 min. The organic layer was separated, dried (MgSO ⁇ and evaporated to yield the title compound as a yellow solid (0.3g). Tic. (System A, 9O:10:1) Rf 0.7.
- Example 33 (0.4g) was dissolved in trifluoroacetic acid (18ml) and water (3ml) and the mixture was stirred at room temperature for lh. The mixture was concentrated in vacuo and the residue purified by preparative h.p.l.c. (gradient profile 5-20% (ii) in 10 min and 20% (ii) isochratic for 8 min) to give after R.12 min the title compound as a beige solid (0.22g).
- Example 8 Sodium hydroxide solution (2N, 20ml) was added to Example 8 (0.9g) and the solution evaporated to dryness. Dimethylformamide (10ml) followed by diethyl cyanophosphate (0.264ml) were added to the solid residue and the solution stirred at room temperature for 15h. The solution was filtered and the filtrate evaporated in vacuo to give the title compound as a red oil (0.6g).
- Example 35 (0.6g) was stirred in trifluoroacetic acid (9ml) and water (1ml) for 2h at room temperature. The mixture was concentrated in vacuo and the residue purified by preparative h.p.l.c. (gradient profile 5-40% (ii) in 17min) to give after R ⁇ 14.4 min the title compound as a foam (0.12g).
- Example 8 (0.3g) in dichloromethane (20ml) was treated with benzoyl chloride (27 ⁇ l) and sodium hydroxide solution (0.1N; 14ml), and subsequently stirred vigorously for 2h. The organic layer was separated, dried (MgSO ⁇ , and evaporated in vacuo to yield a yellow residue which was purified by preparative h.plc. (gradient profile 10-55% (ii) in 17 min) to give after R-- 13.1 min the title compound as ayellow solid (O.llg) Mass Spectrum [-VttT] 506.
- Example 37 (O.lg) was dissolved in trifluoroacetic acid (10ml) and water (1ml) and the mixture was stirred at room temperature for lh. The solvents were evaporated to give a yellow oil which was purified by preparative h.plc. (gradient profile 10-50% (ii) in
- Example 39 A mixture of Example 39 (0.23g), acetic anhydride (78 ⁇ l) and 10% palladium on carbon (50mg) in glacial acetic acid (6ml) was hydrogenated at room temperature and pressure for lh. The catalyst was filtered off and the filtrate evaporated in vacuo. Purification by preparative h.p.l.c. (gradient profile 10-50% (ii) in 17 min) gave after R. 10.8 min the title compound f0.12 ) as a white solid. Mass Spectrum [MET] 402
- Example 40 (0. lg) was stirred with trifluoroacetic acid (9ml) and water (1ml) at room temperature for 1.5h. The solvent was removed in vacuo to give an oily residue which was purified by preparative h.plc. (gradient profile 5-20% (ii) in 10 min and 20%
- Inhibition of blood platelet aggregation by compounds of the invention was determined according to the following procedure. Citrated whole blood (1 part 3.8% trisodium citrate : 9 parts blood) was obtained from human volunteers, free of medication for at least 10 days prior to collection. The blood was incubated with 0. ImM aspirin and 0.05 ⁇ M prostacyclin and then centrifiiged at lOOOg for 4 minutes (20°C). The supernatant platelet rich plasma (PRP) was further centrifiiged at 1300g for 10 minutes (20°C) to sediment the platelets.
- Citrated whole blood (1 part 3.8% trisodium citrate : 9 parts blood) was obtained from human volunteers, free of medication for at least 10 days prior to collection. The blood was incubated with 0. ImM aspirin and 0.05 ⁇ M prostacyclin and then centrifiiged at lOOOg for 4 minutes (20°C). The supernatant platelet rich plasma (PRP) was further centrifiiged at 1300g for 10 minutes (20°C)
- the supernatant was discarded and the pellet washed with a physiological salt solution (HEPES 5mM, NaHCO 3 12mM, NaCl 140mM, 1&L_?0 4 0.74mM, D-Glucose 5.6mM, KC12.82mM and BSA 20g/l, pH 7.4) to remove residual plasma.
- a physiological salt solution HPES 5mM, NaHCO 3 12mM, NaCl 140mM, 1&L_?0 4 0.74mM, D-Glucose 5.6mM, KC12.82mM and BSA 20g/l, pH 7.4
- the platelets eluted within the void volume and were diluted to approximately 300,000 platelets ⁇ l in buffer.
- Purified human fibrinogen Korean L.C. et al, 1981 Thromb.
- Haemostasis, 46(3), 593-596 was added to a final concentration of 0.5mg/ml together with Ca2+ and Mg2+ at ImM and 0.5mM respectively.
- Test compounds were incubated in GFP for 5 minutes at 37°C and the platelet aggregating agent adenosine diphosphate (ADP) was added to a final concentration of 1 x 10 5 M.
- the potency of the compounds may be expressed as an IC 50 value defined as the concentration of compound required to produce 50% inhibition of platelet aggregation.
- microcrystalline cellulose, lactose and cross-linked polyvinylpyrrolidone are sieved through a 500 micron sieve and blended in a suitable mixer.
- the magnesium stearate is sieved through a 250 micron sieve and blended with the active blend.
- the blend is compressed into tablets using suitable punches.
- the compound of the invention, lactose and pregelatinised starch are blended together and granulated with water.
- the wet mass is dried and milled.
- the magnesium stearate and cross-linked polyvinylpyrrolidone are screened through a 250 micron sieve and blended with the granule.
- the resultant blend is compressed using suitable tablet punches.
- the compound of the invention and pregelatinised starch are screened through a 500 micron mesh sieve, blended together and lubricated with magnesium stearate, (meshed through a 250 micron sieve).
- the blend is filled into hard gelatine capsules of a suitable size.
- the compound of the invention and lactose are blended together and granulated with a solution of polyvinylpyrrolidone.
- the wet mass is dried and milled.
- the magnesium stearate and cross-linked polyvinylpyrrolidone are screened through a 250 micron sieve and blended with the granules.
- the resultant blend is filled into hard gelatine capsules of a suitable size.
- the hydroxypropyl methylcellulose is dispersed in a portion of hot purified water together with the hydroxybenzoates and the solution is allowed to cool to room temperature.
- the saccharin sodium flavours and sorbitol solution are added to the bulk solution.
- the compound of the invention is dissolved in a portion of the remaining water and added to the bulk solution. Suitable buffers may be added to control the pH in the region of maximum stability.
- the solution is made up to volume, filtered and filled into suitable containers.
- Sodium chloride may be added to adjust the tonicity of the solution and the pH may be adjusted to that of maximum stability and/or to facilitate solution of the compound of
- SUBSTITUT the invention using dilute acid or alkali or by the addition of suitable buffer salts.
- Antioxidants and metal chelating salts may also be included.
- the solution is prepared, clarified and filled into appropriate sized ampoules sealed by fusion of the glass.
- the injection is sterilised by heating in an autoclave using one of the acceptable cycles.
- the solution may be sterilised by filtration and filled into sterile ampoules under aseptic conditions.
- the solution may be packed under an inert atmosphere of nitrogen.
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Hematology (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Diabetes (AREA)
- Biochemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Molecular Biology (AREA)
- Medicinal Chemistry (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Pharmacology & Pharmacy (AREA)
- Animal Behavior & Ethology (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Hydrogenated Pyridines (AREA)
Abstract
Dérivés d'acide acétique de la formule (I), leurs dérivés pharmaceutiquement acceptables, et leurs sels et solvates. Dans ladite formule (I), X1 et Y1 sont identiques ou différents et représentent CH ou N; X2 représente CH ou, lorsque X1 représente CH, il peut également représenter N; Y2 représente N ou, lorsque Y1 représente N, il peut également représenter CH; Z représente N ou N+R5; R1 représente un atome d'hydrogène ou un groupe hydroxyle, alkyle C1-4 ou 2,2,2-trifluoroéthyle; R2 représente un atome d'hydrogène ou, lorsqu'à la fois X1 et X2 représentent CH, il peut également représenter un atome de fluor, de chlore ou de brome, ou un groupe alkyle C1-4; R3 représente un atome d'hydrogène ou, lorsqu'à la fois Y1 et Y2 représentent N, il peut également représenter un groupe alkyle C1-4 ou hydroxyméthyle; R4 représente un atome d'hydrogène ou, lorsque Z représente N, il peut également représenter un groupe alkyle C1-4; R5 représente un groupe alkyle C1-4 ou phénylalkyle C1-4; R6 représente un atome d'hydrogène ou un groupe alkyle C1-4. Les composés inhibent l'agrégation plaquettaire hématique dépendante du fibrinogène.
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9124221 | 1991-11-14 | ||
GB919124221A GB9124221D0 (en) | 1991-11-14 | 1991-11-14 | Chemical compounds |
GB929201052A GB9201052D0 (en) | 1992-01-16 | 1992-01-16 | Chemical compounds |
GB9201052 | 1992-01-16 | ||
PCT/EP1992/002588 WO1993010091A2 (fr) | 1991-11-14 | 1992-11-10 | Derives de piperidine acide acetique utilises comme inhibiteurs de l'agregation des plaquettes hematiques dependante du fibrinogene |
Publications (1)
Publication Number | Publication Date |
---|---|
EP0612313A1 true EP0612313A1 (fr) | 1994-08-31 |
Family
ID=26299862
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19920203442 Withdrawn EP0542363A3 (en) | 1991-11-14 | 1992-11-10 | Piperidineacetic acid derivatives as inhibitors of fibrinogen-dependent blood platelet aggregation |
EP92923116A Withdrawn EP0612313A1 (fr) | 1991-11-14 | 1992-11-10 | Derives de piperidine acide acetique utilises comme inhibiteurs de l'agregation des plaquettes hematiques dependante du fibrinogene |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19920203442 Withdrawn EP0542363A3 (en) | 1991-11-14 | 1992-11-10 | Piperidineacetic acid derivatives as inhibitors of fibrinogen-dependent blood platelet aggregation |
Country Status (10)
Country | Link |
---|---|
EP (2) | EP0542363A3 (fr) |
JP (1) | JPH07501063A (fr) |
CN (1) | CN1073169A (fr) |
AP (1) | AP330A (fr) |
AU (1) | AU2915892A (fr) |
IL (1) | IL103746A0 (fr) |
IS (1) | IS3945A (fr) |
MX (1) | MX9206541A (fr) |
TW (1) | TW221996B (fr) |
WO (1) | WO1993010091A2 (fr) |
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JPH06340619A (ja) * | 1993-05-03 | 1994-12-13 | Bristol Myers Squibb Co | グアニジニルまたはアミジニル置換メチルアミノ複素環トロンビン抑制剤 |
GB9313268D0 (en) * | 1993-06-28 | 1993-08-11 | Zeneca Ltd | Chemical compounds |
US5463011A (en) * | 1993-06-28 | 1995-10-31 | Zeneca Limited | Acid derivatives |
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EP0801650A4 (fr) * | 1994-12-22 | 1998-05-06 | Smithkline Beecham Corp | Antagonistes des recepteurs du fibrinogene |
ZA951822B (en) * | 1994-12-23 | 1996-09-26 | Glaxo Group Ltd | Chemical compounds |
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DE19516483A1 (de) * | 1995-05-05 | 1996-11-07 | Merck Patent Gmbh | Adhäsionsrezeptor-Antagonisten |
GB9511989D0 (en) * | 1995-06-13 | 1995-08-09 | Glaxo Group Ltd | Chemical compounds |
WO1997002245A1 (fr) * | 1995-07-06 | 1997-01-23 | Japan Tobacco Inc. | Derives de benzamidoxime et leur utilisation a des fins medicinales |
TR199801961T2 (xx) * | 1996-03-30 | 1999-01-18 | Boehringer Mannheim Gmbh | Yeni oksalidin t�revleri, bunlar�n �retimi i�in i�lemler ve bu bile�ikleri ihtiva eden farmas�tik maddeler. |
TW403745B (en) * | 1996-05-30 | 2000-09-01 | Yamanouchi Pharma Co Ltd | Novel substituted -amidinobenzene derivative and pharmaceutical compositions thereof |
AR008245A1 (es) * | 1996-06-21 | 1999-12-29 | Glaxo Group Ltd | Derivados de acido acetico, uso de los mismos en la fabricacion de un agente terapeutico y proceso para preparar dichos derivados |
WO1997049698A1 (fr) * | 1996-06-21 | 1997-12-31 | Glaxo Group Limited | Derives d'acide acetique de piperidine et leur utilisation dans le traitement des troubles thrombotiques |
DE19643331A1 (de) * | 1996-10-21 | 1998-04-23 | Thomae Gmbh Dr K | 1-(4-Piperidinyl)-piperidinylene, diese Verbindungen enthaltende Arzneimittel, deren Verwendung und Verfahren zu ihrer Herstellung |
DE19652919A1 (de) * | 1996-12-19 | 1998-06-25 | Solvay Pharm Gmbh | Piperazinophenyl- und Piperazinophenyloxy-carbonsäure-Derivate sowie Verfahren und Zwischenprodukte zu ihrer Herstellung und diese Verbindungen enthaltende Arzneimittel |
AR013693A1 (es) * | 1997-10-23 | 2001-01-10 | Uriach & Cia Sa J | Nuevas piperidinas y piperazinas como inhibidores de la agregacion plaquetaria |
EP1048652A4 (fr) * | 1997-12-26 | 2001-05-09 | Mochida Pharm Co Ltd | Composes aromatiques presentant des groupements amino cycliques ou leur sels |
WO1999050249A2 (fr) | 1998-04-01 | 1999-10-07 | Du Pont Pharmaceuticals Company | Antagonistes de l'integrine |
JP3390744B2 (ja) * | 1998-09-22 | 2003-03-31 | 山之内製薬株式会社 | シアノフェニル誘導体 |
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WO2003004487A1 (fr) | 2001-07-02 | 2003-01-16 | Astrazeneca Ab | Derives de piperidine convenant comme modulateurs de l'activite du recepteur de la chimiokine |
GB0120461D0 (en) | 2001-08-22 | 2001-10-17 | Astrazeneca Ab | Novel compounds |
GB0122503D0 (en) | 2001-09-18 | 2001-11-07 | Astrazeneca Ab | Chemical compounds |
SE0200843D0 (sv) * | 2002-03-19 | 2002-03-19 | Astrazeneca Ab | Chemical compounds |
SE0200844D0 (sv) | 2002-03-19 | 2002-03-19 | Astrazeneca Ab | Chemical compounds |
SE0300957D0 (sv) | 2003-04-01 | 2003-04-01 | Astrazeneca Ab | Chemical compounds |
WO2006071958A1 (fr) | 2004-12-29 | 2006-07-06 | Millennium Pharmaceuticals, Inc. | Composes utilises comme antagonistes du recepteur de la chimiokine |
US7880002B2 (en) | 2004-12-29 | 2011-02-01 | Millennium Pharmaceuticals, Inc. | Substituted piperazinyl-pyrrolidine compounds useful as chemokine receptor antagonists |
MX2007010068A (es) | 2005-02-16 | 2007-10-10 | Schering Corp | Piperazino-piperidinas con actividad antagonista de cxcr3. |
ATE518855T1 (de) | 2005-02-16 | 2011-08-15 | Schering Corp | Neue heterozyklische substituierte pyridin- oder phenylverbindungen mit cxcr3-antagonistischer aktivität |
MX2007009949A (es) | 2005-02-16 | 2007-09-26 | Schering Corp | Pirazinil-piperazin-piperidinas sustituidas con heteroarilo con actividad antagonista de cxcr3. |
CA2598457A1 (fr) | 2005-02-16 | 2006-08-24 | Schering Corporation | Piperazine-piperidines pyridyl et phenyl substituees a activite antagoniste des cxcr3 |
MX2007009947A (es) | 2005-02-16 | 2007-09-26 | Schering Corp | Piperazin-piperidinas sustituidas con pirazinilo con actividad antagonista de cxcr3. |
AU2006214477A1 (en) | 2005-02-16 | 2006-08-24 | Pharmacopeia, Inc. | Heterocyclic substituted piperazines with CXCR3 antagonist activity |
MX2008000821A (es) | 2005-07-21 | 2008-03-19 | Astrazeneca Ab | Nuevos derivados de piperidina. |
KR101351454B1 (ko) * | 2005-08-31 | 2014-01-14 | 아메데온, 인코포레이티드 | 위장 및 중추 신경계 장애의 치료에 유용한 입체이성질체 화합물의 합성 방법 및 중간 생성물 |
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GB2095239B (en) * | 1981-02-27 | 1985-03-06 | Torii & Co Ltd | Novel amidine compounds |
US4433152A (en) * | 1981-05-25 | 1984-02-21 | Nippon Chemiphar Co., Ltd. | Amidinopiperidine derivatives |
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GB9122016D0 (en) * | 1991-10-16 | 1991-11-27 | Glaxo Group Ltd | Chemical compounds |
-
1992
- 1992-11-10 EP EP19920203442 patent/EP0542363A3/en not_active Withdrawn
- 1992-11-10 TW TW081108989A patent/TW221996B/zh active
- 1992-11-10 WO PCT/EP1992/002588 patent/WO1993010091A2/fr not_active Application Discontinuation
- 1992-11-10 JP JP5508956A patent/JPH07501063A/ja active Pending
- 1992-11-10 EP EP92923116A patent/EP0612313A1/fr not_active Withdrawn
- 1992-11-10 AU AU29158/92A patent/AU2915892A/en not_active Abandoned
- 1992-11-13 CN CN92114388A patent/CN1073169A/zh active Pending
- 1992-11-13 IS IS3945A patent/IS3945A/is unknown
- 1992-11-13 AP APAP/P/1992/000447A patent/AP330A/en active
- 1992-11-13 MX MX9206541A patent/MX9206541A/es unknown
- 1992-11-13 IL IL103746A patent/IL103746A0/xx unknown
Non-Patent Citations (1)
Title |
---|
See references of WO9310091A2 * |
Also Published As
Publication number | Publication date |
---|---|
MX9206541A (es) | 1993-04-01 |
EP0542363A3 (en) | 1993-07-14 |
IS3945A (is) | 1993-05-15 |
AP9200447A0 (en) | 1993-01-31 |
EP0542363A2 (fr) | 1993-05-19 |
JPH07501063A (ja) | 1995-02-02 |
WO1993010091A3 (fr) | 1993-06-24 |
WO1993010091A2 (fr) | 1993-05-27 |
AU2915892A (en) | 1993-06-15 |
TW221996B (fr) | 1994-04-01 |
CN1073169A (zh) | 1993-06-16 |
IL103746A0 (en) | 1993-04-04 |
AP330A (en) | 1994-03-30 |
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