EP0971926A1 - DERIVES DE DIHYDROPYRAZINO 1,2-$i(A)]INDOLE-1-ONE, LEUR PREPARATION ET LEUR APPLICATION EN THERAPEUTIQUE - Google Patents
DERIVES DE DIHYDROPYRAZINO 1,2-$i(A)]INDOLE-1-ONE, LEUR PREPARATION ET LEUR APPLICATION EN THERAPEUTIQUEInfo
- Publication number
- EP0971926A1 EP0971926A1 EP98914929A EP98914929A EP0971926A1 EP 0971926 A1 EP0971926 A1 EP 0971926A1 EP 98914929 A EP98914929 A EP 98914929A EP 98914929 A EP98914929 A EP 98914929A EP 0971926 A1 EP0971926 A1 EP 0971926A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- group
- formula
- compounds
- mixture
- mmol
- 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.)
- Ceased
Links
- 238000002360 preparation method Methods 0.000 title claims description 9
- 239000003814 drug Substances 0.000 title claims description 3
- 150000001875 compounds Chemical class 0.000 claims abstract description 149
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims abstract description 41
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims abstract description 21
- 125000004093 cyano group Chemical group *C#N 0.000 claims abstract description 20
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 claims abstract description 18
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 14
- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 claims abstract description 13
- 125000004178 (C1-C4) alkyl group Chemical group 0.000 claims abstract description 12
- 239000001257 hydrogen Substances 0.000 claims abstract description 11
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 11
- 125000000876 trifluoromethoxy group Chemical group FC(F)(F)O* 0.000 claims abstract description 11
- 125000004169 (C1-C6) alkyl group Chemical group 0.000 claims abstract description 10
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000001301 oxygen Substances 0.000 claims abstract description 10
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 10
- 125000004191 (C1-C6) alkoxy group Chemical group 0.000 claims abstract description 9
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims abstract description 9
- 125000000229 (C1-C4)alkoxy group Chemical group 0.000 claims abstract description 4
- 229910052736 halogen Inorganic materials 0.000 claims abstract description 4
- 239000000203 mixture Substances 0.000 claims description 148
- -1 atom halogen Chemical class 0.000 claims description 44
- 238000000034 method Methods 0.000 claims description 24
- 125000000217 alkyl group Chemical group 0.000 claims description 19
- 125000005843 halogen group Chemical group 0.000 claims description 15
- 239000002253 acid Substances 0.000 claims description 11
- 125000003277 amino group Chemical group 0.000 claims description 10
- 125000004429 atom Chemical group 0.000 claims description 10
- 230000008569 process Effects 0.000 claims description 10
- 125000003545 alkoxy group Chemical group 0.000 claims description 9
- HBAQYPYDRFILMT-UHFFFAOYSA-N 8-[3-(1-cyclopropylpyrazol-4-yl)-1H-pyrazolo[4,3-d]pyrimidin-5-yl]-3-methyl-3,8-diazabicyclo[3.2.1]octan-2-one Chemical class C1(CC1)N1N=CC(=C1)C1=NNC2=C1N=C(N=C2)N1C2C(N(CC1CC2)C)=O HBAQYPYDRFILMT-UHFFFAOYSA-N 0.000 claims description 8
- 239000003795 chemical substances by application Substances 0.000 claims description 8
- 150000003839 salts Chemical class 0.000 claims description 7
- 150000007513 acids Chemical class 0.000 claims description 6
- 125000004433 nitrogen atom Chemical group N* 0.000 claims description 6
- 125000004434 sulfur atom Chemical group 0.000 claims description 6
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 5
- 125000000539 amino acid group Chemical group 0.000 claims description 4
- 125000006297 carbonyl amino group Chemical group [H]N([*:2])C([*:1])=O 0.000 claims description 4
- 125000006239 protecting group Chemical group 0.000 claims description 3
- 125000006528 (C2-C6) alkyl group Chemical group 0.000 claims description 2
- 125000000896 monocarboxylic acid group Chemical group 0.000 claims description 2
- 239000000546 pharmaceutical excipient Substances 0.000 claims description 2
- 239000008194 pharmaceutical composition Substances 0.000 claims 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract description 16
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 abstract description 3
- 125000004430 oxygen atom Chemical group O* 0.000 abstract description 3
- 125000004484 1-methylpiperidin-4-yl group Chemical group CN1CCC(CC1)* 0.000 abstract 1
- 239000005864 Sulphur Substances 0.000 abstract 1
- 150000001413 amino acids Chemical class 0.000 abstract 1
- 239000003420 antiserotonin agent Substances 0.000 abstract 1
- 150000002367 halogens Chemical class 0.000 abstract 1
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 137
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 126
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 123
- 239000000243 solution Substances 0.000 description 99
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 87
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 84
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 80
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 62
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 62
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 57
- 239000012074 organic phase Substances 0.000 description 57
- 239000000047 product Substances 0.000 description 56
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 54
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 52
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 51
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 50
- 230000008018 melting Effects 0.000 description 48
- 238000002844 melting Methods 0.000 description 48
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 48
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 44
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 42
- 229920006395 saturated elastomer Polymers 0.000 description 41
- 239000000377 silicon dioxide Substances 0.000 description 41
- 239000012429 reaction media Substances 0.000 description 40
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 40
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 39
- 239000007787 solid Substances 0.000 description 38
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 36
- 239000007864 aqueous solution Substances 0.000 description 36
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 34
- 229910052938 sodium sulfate Inorganic materials 0.000 description 34
- 235000011152 sodium sulphate Nutrition 0.000 description 34
- 229910021529 ammonia Inorganic materials 0.000 description 31
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 28
- NLKNQRATVPKPDG-UHFFFAOYSA-M potassium iodide Chemical compound [K+].[I-] NLKNQRATVPKPDG-UHFFFAOYSA-M 0.000 description 27
- 239000011780 sodium chloride Substances 0.000 description 27
- 238000003756 stirring Methods 0.000 description 26
- QZAYGJVTTNCVMB-UHFFFAOYSA-N serotonin Chemical compound C1=C(O)C=C2C(CCN)=CNC2=C1 QZAYGJVTTNCVMB-UHFFFAOYSA-N 0.000 description 22
- FYSNRJHAOHDILO-UHFFFAOYSA-N thionyl chloride Chemical compound ClS(Cl)=O FYSNRJHAOHDILO-UHFFFAOYSA-N 0.000 description 22
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 21
- 235000019341 magnesium sulphate Nutrition 0.000 description 21
- 239000011541 reaction mixture Substances 0.000 description 20
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 19
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 18
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 18
- 235000017557 sodium bicarbonate Nutrition 0.000 description 18
- RAXXELZNTBOGNW-UHFFFAOYSA-N imidazole Natural products C1=CNC=N1 RAXXELZNTBOGNW-UHFFFAOYSA-N 0.000 description 15
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 14
- 239000003921 oil Substances 0.000 description 14
- 239000000010 aprotic solvent Substances 0.000 description 13
- HRYZWHHZPQKTII-UHFFFAOYSA-N chloroethane Chemical compound CCCl HRYZWHHZPQKTII-UHFFFAOYSA-N 0.000 description 12
- KEAYESYHFKHZAL-UHFFFAOYSA-N Sodium Chemical compound [Na] KEAYESYHFKHZAL-UHFFFAOYSA-N 0.000 description 11
- 239000012312 sodium hydride Substances 0.000 description 11
- 229910000104 sodium hydride Inorganic materials 0.000 description 11
- 238000011282 treatment Methods 0.000 description 11
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 10
- 238000010992 reflux Methods 0.000 description 10
- 239000000725 suspension Substances 0.000 description 10
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 9
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 9
- 235000019270 ammonium chloride Nutrition 0.000 description 9
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 9
- 239000000706 filtrate Substances 0.000 description 8
- 239000002244 precipitate Substances 0.000 description 8
- 229940076279 serotonin Drugs 0.000 description 8
- MZRVEZGGRBJDDB-UHFFFAOYSA-N N-Butyllithium Chemical compound [Li]CCCC MZRVEZGGRBJDDB-UHFFFAOYSA-N 0.000 description 7
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 6
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 6
- 230000009471 action Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- INQOMBQAUSQDDS-UHFFFAOYSA-N iodomethane Chemical compound IC INQOMBQAUSQDDS-UHFFFAOYSA-N 0.000 description 6
- CTSLXHKWHWQRSH-UHFFFAOYSA-N oxalyl chloride Chemical compound ClC(=O)C(Cl)=O CTSLXHKWHWQRSH-UHFFFAOYSA-N 0.000 description 6
- 125000004194 piperazin-1-yl group Chemical group [H]N1C([H])([H])C([H])([H])N(*)C([H])([H])C1([H])[H] 0.000 description 6
- KQKPFRSPSRPDEB-UHFFFAOYSA-N sumatriptan Chemical compound CNS(=O)(=O)CC1=CC=C2NC=C(CCN(C)C)C2=C1 KQKPFRSPSRPDEB-UHFFFAOYSA-N 0.000 description 6
- 229960003708 sumatriptan Drugs 0.000 description 6
- 230000003042 antagnostic effect Effects 0.000 description 5
- 239000000872 buffer Substances 0.000 description 5
- 230000003197 catalytic effect Effects 0.000 description 5
- RIFGWPKJUGCATF-UHFFFAOYSA-N ethyl chloroformate Chemical compound CCOC(Cl)=O RIFGWPKJUGCATF-UHFFFAOYSA-N 0.000 description 5
- 150000007529 inorganic bases Chemical class 0.000 description 5
- 210000000056 organ Anatomy 0.000 description 5
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 5
- 230000004044 response Effects 0.000 description 5
- JRMUNVKIHCOMHV-UHFFFAOYSA-M tetrabutylammonium bromide Chemical compound [Br-].CCCC[N+](CCCC)(CCCC)CCCC JRMUNVKIHCOMHV-UHFFFAOYSA-M 0.000 description 5
- DIDJGSBUBQQWAD-UHFFFAOYSA-N 10-(2-chloroethyl)-8-fluoro-2-methyl-3,4-dihydropyrazino[1,2-a]indol-1-one Chemical compound CN1CCn2c(c(CCCl)c3cc(F)ccc23)C1=O DIDJGSBUBQQWAD-UHFFFAOYSA-N 0.000 description 4
- BJXKDCYKSGHZBJ-UHFFFAOYSA-N 2-[10-(2-chloroethyl)-7-fluoro-1-oxo-3,4-dihydropyrazino[1,2-a]indol-2-yl]acetamide Chemical compound C1=C(F)C=C2N3CCN(CC(=O)N)C(=O)C3=C(CCCl)C2=C1 BJXKDCYKSGHZBJ-UHFFFAOYSA-N 0.000 description 4
- JUIKUQOUMZUFQT-UHFFFAOYSA-N 2-bromoacetamide Chemical compound NC(=O)CBr JUIKUQOUMZUFQT-UHFFFAOYSA-N 0.000 description 4
- WZUIIXIRVCFZRY-UHFFFAOYSA-N CN1CCn2c(c(CCCl)c3ccc(F)cc23)C1=O Chemical compound CN1CCn2c(c(CCCl)c3ccc(F)cc23)C1=O WZUIIXIRVCFZRY-UHFFFAOYSA-N 0.000 description 4
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- GLUUGHFHXGJENI-UHFFFAOYSA-N Piperazine Chemical compound C1CNCCN1 GLUUGHFHXGJENI-UHFFFAOYSA-N 0.000 description 4
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 4
- WQDUMFSSJAZKTM-UHFFFAOYSA-N Sodium methoxide Chemical compound [Na+].[O-]C WQDUMFSSJAZKTM-UHFFFAOYSA-N 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000007796 conventional method Methods 0.000 description 4
- 238000000354 decomposition reaction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- 230000005764 inhibitory process Effects 0.000 description 4
- KWGKDLIKAYFUFQ-UHFFFAOYSA-M lithium chloride Chemical compound [Li+].[Cl-] KWGKDLIKAYFUFQ-UHFFFAOYSA-M 0.000 description 4
- UBJFKNSINUCEAL-UHFFFAOYSA-N lithium;2-methylpropane Chemical compound [Li+].C[C-](C)C UBJFKNSINUCEAL-UHFFFAOYSA-N 0.000 description 4
- 239000012071 phase Substances 0.000 description 4
- SCVFZCLFOSHCOH-UHFFFAOYSA-M potassium acetate Chemical compound [K+].CC([O-])=O SCVFZCLFOSHCOH-UHFFFAOYSA-M 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- BCNZYOJHNLTNEZ-UHFFFAOYSA-N tert-butyldimethylsilyl chloride Chemical compound CC(C)(C)[Si](C)(C)Cl BCNZYOJHNLTNEZ-UHFFFAOYSA-N 0.000 description 4
- PAAZPARNPHGIKF-UHFFFAOYSA-N 1,2-dibromoethane Chemical compound BrCCBr PAAZPARNPHGIKF-UHFFFAOYSA-N 0.000 description 3
- OGXOATMNQRTIGF-UHFFFAOYSA-N 10-(2-chloroethyl)-2-methyl-1-oxo-3,4-dihydropyrazino[1,2-a]indole-8-carbonitrile Chemical compound N#CC1=CC=C2N3CCN(C)C(=O)C3=C(CCCl)C2=C1 OGXOATMNQRTIGF-UHFFFAOYSA-N 0.000 description 3
- XUOYYPFOROUIGP-UHFFFAOYSA-N 2-[10-(2-chloroethyl)-8-fluoro-1-oxo-3,4-dihydropyrazino[1,2-a]indol-2-yl]acetamide Chemical compound FC1=CC=C2N3CCN(CC(=O)N)C(=O)C3=C(CCCl)C2=C1 XUOYYPFOROUIGP-UHFFFAOYSA-N 0.000 description 3
- RGHQKFQZGLKBCF-UHFFFAOYSA-N 2-bromoethyl acetate Chemical compound CC(=O)OCCBr RGHQKFQZGLKBCF-UHFFFAOYSA-N 0.000 description 3
- MRMGJMGHPJZSAE-UHFFFAOYSA-N 6-fluoro-3-piperidin-4-yl-1,2-benzoxazole Chemical compound N=1OC2=CC(F)=CC=C2C=1C1CCNCC1 MRMGJMGHPJZSAE-UHFFFAOYSA-N 0.000 description 3
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 3
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical group [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 3
- BMTTUQSNRWTZCT-UHFFFAOYSA-N CC(=O)CCN1CCn2c(c(CCCl)c3cc(F)ccc23)C1=O Chemical compound CC(=O)CCN1CCn2c(c(CCCl)c3cc(F)ccc23)C1=O BMTTUQSNRWTZCT-UHFFFAOYSA-N 0.000 description 3
- YOJVKWCDPPKISX-UHFFFAOYSA-N CC(=O)CCN1CCn2c(c(CCN3CCC(CC3)c3noc4cc(F)ccc34)c3cc(F)ccc23)C1=O Chemical compound CC(=O)CCN1CCn2c(c(CCN3CCC(CC3)c3noc4cc(F)ccc34)c3cc(F)ccc23)C1=O YOJVKWCDPPKISX-UHFFFAOYSA-N 0.000 description 3
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 3
- RENMDAKOXSCIGH-UHFFFAOYSA-N Chloroacetonitrile Chemical compound ClCC#N RENMDAKOXSCIGH-UHFFFAOYSA-N 0.000 description 3
- 241000700159 Rattus Species 0.000 description 3
- 150000008064 anhydrides Chemical class 0.000 description 3
- 239000008346 aqueous phase Substances 0.000 description 3
- 239000000460 chlorine Substances 0.000 description 3
- 229910052801 chlorine Inorganic materials 0.000 description 3
- 238000004587 chromatography analysis Methods 0.000 description 3
- 239000012230 colorless oil Substances 0.000 description 3
- 230000008602 contraction Effects 0.000 description 3
- 150000004678 hydrides Chemical class 0.000 description 3
- 238000006138 lithiation reaction Methods 0.000 description 3
- 239000012280 lithium aluminium hydride Substances 0.000 description 3
- 125000005948 methanesulfonyloxy group Chemical group 0.000 description 3
- 239000012299 nitrogen atmosphere Substances 0.000 description 3
- WEXRUCMBJFQVBZ-UHFFFAOYSA-N pentobarbital Chemical compound CCCC(C)C1(CC)C(=O)NC(=O)NC1=O WEXRUCMBJFQVBZ-UHFFFAOYSA-N 0.000 description 3
- 239000003208 petroleum Substances 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 239000003586 protic polar solvent Substances 0.000 description 3
- QDRKDTQENPPHOJ-UHFFFAOYSA-N sodium ethoxide Chemical compound [Na+].CC[O-] QDRKDTQENPPHOJ-UHFFFAOYSA-N 0.000 description 3
- 230000009870 specific binding Effects 0.000 description 3
- 239000006188 syrup Substances 0.000 description 3
- 235000020357 syrup Nutrition 0.000 description 3
- XEMBRFTWNQBRQZ-UHFFFAOYSA-N (3-methoxyphenyl)-piperidin-4-ylmethanone Chemical compound COC1=CC=CC(C(=O)C2CCNCC2)=C1 XEMBRFTWNQBRQZ-UHFFFAOYSA-N 0.000 description 2
- ABERUOJGWHYBJL-UHFFFAOYSA-N (4-fluorophenyl)-piperidin-4-ylmethanone Chemical compound C1=CC(F)=CC=C1C(=O)C1CCNCC1 ABERUOJGWHYBJL-UHFFFAOYSA-N 0.000 description 2
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 2
- MXTYSYXDDDVPBQ-UHFFFAOYSA-N 2-(5-fluoro-1h-indol-3-yl)ethanol Chemical compound C1=C(F)C=C2C(CCO)=CNC2=C1 MXTYSYXDDDVPBQ-UHFFFAOYSA-N 0.000 description 2
- CHZSOQJAKJGMFS-UHFFFAOYSA-N 2-(6-fluoro-1h-indol-3-yl)ethanol Chemical compound FC1=CC=C2C(CCO)=CNC2=C1 CHZSOQJAKJGMFS-UHFFFAOYSA-N 0.000 description 2
- CIJNOTBZYHGXPI-UHFFFAOYSA-N 2-[(2-carbonochloridoyl-5-fluorophenyl)disulfanyl]-4-fluorobenzoyl chloride Chemical compound FC1=CC=C(C(Cl)=O)C(SSC=2C(=CC=C(F)C=2)C(Cl)=O)=C1 CIJNOTBZYHGXPI-UHFFFAOYSA-N 0.000 description 2
- 125000005999 2-bromoethyl group Chemical group 0.000 description 2
- GNTXTGMDAOXSPJ-UHFFFAOYSA-N 3-(2-hydroxyethyl)-1h-indole-5-carbonitrile Chemical compound C1=C(C#N)C=C2C(CCO)=CNC2=C1 GNTXTGMDAOXSPJ-UHFFFAOYSA-N 0.000 description 2
- CFFOQZHVAJMEIQ-UHFFFAOYSA-N 3-(4-benzylpiperazin-1-yl)-6-fluoro-1-methylindazole Chemical compound C12=CC=C(F)C=C2N(C)N=C1N(CC1)CCN1CC1=CC=CC=C1 CFFOQZHVAJMEIQ-UHFFFAOYSA-N 0.000 description 2
- QSQRDXWYGHPKOP-UHFFFAOYSA-N 3-chloro-6-fluoro-1,2-benzothiazole Chemical compound FC1=CC=C2C(Cl)=NSC2=C1 QSQRDXWYGHPKOP-UHFFFAOYSA-N 0.000 description 2
- UOWVTQFTEAYDLM-UHFFFAOYSA-N 4-amino-3-iodobenzonitrile Chemical compound NC1=CC=C(C#N)C=C1I UOWVTQFTEAYDLM-UHFFFAOYSA-N 0.000 description 2
- CPBRJIFWHROYKA-UHFFFAOYSA-N 6-fluoro-3-piperazin-1-yl-1,2-benzoxazole Chemical compound N=1OC2=CC(F)=CC=C2C=1N1CCNCC1 CPBRJIFWHROYKA-UHFFFAOYSA-N 0.000 description 2
- NPIPDFQZQCZATJ-UHFFFAOYSA-N 6-fluoro-3-piperidin-4-yl-1,2-benzothiazole Chemical compound N=1SC2=CC(F)=CC=C2C=1C1CCNCC1 NPIPDFQZQCZATJ-UHFFFAOYSA-N 0.000 description 2
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- NXJCBFBQEVOTOW-UHFFFAOYSA-L palladium(2+);dihydroxide Chemical compound O[Pd]O NXJCBFBQEVOTOW-UHFFFAOYSA-L 0.000 description 1
- 238000007911 parenteral administration Methods 0.000 description 1
- 229960001779 pargyline Drugs 0.000 description 1
- 230000001575 pathological effect Effects 0.000 description 1
- 230000007170 pathology Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000000144 pharmacologic effect Effects 0.000 description 1
- 230000005501 phase interface Effects 0.000 description 1
- 239000003444 phase transfer catalyst Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- RFIOZSIHFNEKFF-UHFFFAOYSA-M piperazine-1-carboxylate Chemical compound [O-]C(=O)N1CCNCC1 RFIOZSIHFNEKFF-UHFFFAOYSA-M 0.000 description 1
- 125000004482 piperidin-4-yl group Chemical group N1CCC(CC1)* 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 239000002798 polar solvent Substances 0.000 description 1
- 208000007232 portal hypertension Diseases 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 229910000027 potassium carbonate Inorganic materials 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- 230000002685 pulmonary effect Effects 0.000 description 1
- 208000002815 pulmonary hypertension Diseases 0.000 description 1
- 238000006268 reductive amination reaction Methods 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 206010038464 renal hypertension Diseases 0.000 description 1
- 208000037803 restenosis Diseases 0.000 description 1
- 238000007363 ring formation reaction Methods 0.000 description 1
- 230000000862 serotonergic effect Effects 0.000 description 1
- 239000001632 sodium acetate Substances 0.000 description 1
- 235000017281 sodium acetate Nutrition 0.000 description 1
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 1
- BEOOHQFXGBMRKU-UHFFFAOYSA-N sodium cyanoborohydride Chemical compound [Na+].[B-]C#N BEOOHQFXGBMRKU-UHFFFAOYSA-N 0.000 description 1
- 235000010288 sodium nitrite Nutrition 0.000 description 1
- AKHNMLFCWUSKQB-UHFFFAOYSA-L sodium thiosulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=S AKHNMLFCWUSKQB-UHFFFAOYSA-L 0.000 description 1
- 235000019345 sodium thiosulphate Nutrition 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- DKGZKTPJOSAWFA-UHFFFAOYSA-N spiperone Chemical compound C1=CC(F)=CC=C1C(=O)CCCN1CCC2(C(NCN2C=2C=CC=CC=2)=O)CC1 DKGZKTPJOSAWFA-UHFFFAOYSA-N 0.000 description 1
- 238000012453 sprague-dawley rat model Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 239000003826 tablet Substances 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
- ISHLCKAQWKBMAU-UHFFFAOYSA-N tert-butyl n-diazocarbamate Chemical compound CC(C)(C)OC(=O)N=[N+]=[N-] ISHLCKAQWKBMAU-UHFFFAOYSA-N 0.000 description 1
- NSZXRKLOPWJCNB-UHFFFAOYSA-N tert-butyl-[2-(6-fluoro-1h-indol-3-yl)ethoxy]-dimethylsilane Chemical compound FC1=CC=C2C(CCO[Si](C)(C)C(C)(C)C)=CNC2=C1 NSZXRKLOPWJCNB-UHFFFAOYSA-N 0.000 description 1
- PJCKHWHRIGMRBO-UHFFFAOYSA-N tert-butyl-dimethyl-(4-trimethylsilylbut-3-ynoxy)silane Chemical compound CC(C)(C)[Si](C)(C)OCCC#C[Si](C)(C)C PJCKHWHRIGMRBO-UHFFFAOYSA-N 0.000 description 1
- BKDLGMUIXWPYGD-UHFFFAOYSA-N tert-butyllithium Chemical compound [Li]C(C)(C)C BKDLGMUIXWPYGD-UHFFFAOYSA-N 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
- 229960000103 thrombolytic agent Drugs 0.000 description 1
- 230000002537 thrombolytic effect Effects 0.000 description 1
- 230000000699 topical effect Effects 0.000 description 1
- ITMCEJHCFYSIIV-UHFFFAOYSA-M triflate Chemical compound [O-]S(=O)(=O)C(F)(F)F ITMCEJHCFYSIIV-UHFFFAOYSA-M 0.000 description 1
- 125000000026 trimethylsilyl group Chemical group [H]C([H])([H])[Si]([*])(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- LENZDBCJOHFCAS-UHFFFAOYSA-N tris Chemical compound OCC(N)(CO)CO LENZDBCJOHFCAS-UHFFFAOYSA-N 0.000 description 1
- KAWBLROQFPLJEU-UHFFFAOYSA-N tryptophol acetate Natural products C1=CC=C2C(CCOC(=O)C)=CNC2=C1 KAWBLROQFPLJEU-UHFFFAOYSA-N 0.000 description 1
- 210000001186 vagus nerve Anatomy 0.000 description 1
- 230000002792 vascular Effects 0.000 description 1
- 230000025033 vasoconstriction Effects 0.000 description 1
- 239000005526 vasoconstrictor agent Substances 0.000 description 1
- 230000035899 viability Effects 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D487/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00
- C07D487/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00 in which the condensed system contains two hetero rings
- C07D487/04—Ortho-condensed systems
Definitions
- the present invention relates to dihydropyrazino [1,2-a] indole-1-one derivatives, their preparation and their therapeutic use.
- R- L and R 2 each independently of one another represent either a hydrogen atom, a halogen atom, an amino group, a hydroxy group, a nitro group, or a cyano group , either a (C ⁇ Cg) alkyl group, or a (CACg) alkoxy group, or a trifluoromethyl group, or a trifluoromethoxy group, or a group -COOH, or a group -COOR 4 , or a group -CONH 2 , or a group -C0NHR 4 , or a group -CONR 4 R 5 / or a group -SR 4 , or a group -S0 2 R 4 , or a group -NHCOR 4 , or a group -NHS0 2 R 4 , or a group -N (R 4 ) 2 where R 4 and R 5 are each a group
- Q represents either two hydrogen atoms or one oxygen atom
- Z represents either a nitrogen atom or a group -CH-
- A represents either a group (1) or a group (2)
- B being chosen from oxygen and sulfur atoms and the groups -NH- and -N (R 4 ) - and R 6 being, independently of R x and R 2 , either a hydrogen atom or a d atom halogen or an amino group or a hydroxy group, a nitro group, a cyano group or a (C ⁇ ⁇ -C6) alkyl or a (C 1 -C 6) alkoxy, or a group trifluoromethyl, either a trifluoromethoxy group, or a group -COOH, or a group -COOR 4 , or a group -CONH 2 , or a group -CONHR 4 , or a group -CONR 4 R 5 or a group -SR 4 , or a group -S0 2 R 4 , either a group -NHCOR 4 , or a group -NHS0 2 R 4 , or a group -N (R 4 ) 2 where R 4 and R 5
- the preferred compounds are the compounds of formula (I) in which
- R x and R 2 each represent independently of one another, either a hydrogen atom, or a halogen atom, or a cyano group, or a (C 1 -C 6 ) alkoxy group, or a group
- R g is a hydroxy group or -NR 4 R 5
- (CH) n C0NAA where AA is an amino acid residue
- a group - (CH 2 ) n C0NHR 4 where R 4 and R 5 are each a (C 1 -C 4 ) alkyl group, n is equal to
- Q represents either two atoms of hydrogen, or one atom of oxygen
- Z represents either a nitrogen atom or a -CH- group
- A represents either a group (1) or a group (2)
- R 4 and R 6 being, independently of R and R 2 , either a hydrogen atom, a halogen atom, or a (C 1 -C 6 ) alkyl group, or a (C 1 -C 6 ) alkoxy group, or a trifluoromethyl group, or a group - NHC0R 4 , or a group -NHS0 2 R 4 where R 4 and R 5 are each a (C 1 -C 4 ) alkyl group, as well as their addition salts with acids or with pharmaceutically acceptable bases.
- the particularly preferred compounds according to the invention are the compounds of formula (I) in which
- R represents a halogen atom and R 2 a hydrogen atom
- R 3 represents either a (C ⁇ Cg) alkyl group, or a group - (CH 2 ) p 0H, or a group - (CH 2 ) n C0NH 2 , or a group
- Z represents either a nitrogen atom or a group -CH-
- A represents either a group (1) or a group (2)
- R 4 and R 5 are each a group (C 1 -C 4 ) alkyl, as well as their addition salts with pharmaceutically acceptable acids or bases.
- Certain compounds of formula (I) may exist in the form of racemates, pure enantiomers or a mixture of enantiomers which are also part of the invention.
- a compound of formula (II) is reacted (in which R and R 2 are as defined above) with ethanedioyl dichloride at room temperature in an aprotic solvent such as ether to prepare an intermediate compound which is taken up in an alcohol comprising from 1 to 4 carbon atoms , for example ethanol, and a compound of formula (III) is obtained which is treated pa a hydride in an aprotic solvent such as, for example, lithium aluminum hydride in tetrahydrofuran at room temperature.
- an aprotic solvent such as, for example, lithium aluminum hydride in tetrahydrofuran at room temperature.
- a compound of formula (IV) is then obtained, the alcohol function of which is protected by a protective group P, for example by treatment with (1,1-dimethylethyl) dimethylsilyl chloride in the presence of a weak base such as imidazole and a compound of formula (V) is obtained which is subjected to a lithiation directed by successive treatments with a strong base such as for example n-butyllithium at ⁇ 70 ° C.
- R 3 H sodium in dimethylformamide at room temperature and then with chloroacetonitrile to obtain a compound of formula (VII) whose nitrile function is reduced by conventional techniques known to those skilled in the art, for example by Raney nickel, diborane or hydrogen in the presence of palladium or platinum, and a compound of formula (VIII) is obtained which is cyclized by heating in the presence of a base in a polar solvent such as for example sodium ethylate in ethanol to obtain a compound of formula (IX).
- a polar solvent such as for example sodium ethylate in ethanol
- Iodine is performed ortho to the amino function of a compound of formula (XV) in which R and / or R 2 represent either a nitro group or a cyano group, for example with iodine monochloride in an aprotic solvent as Diagram 2
- the compounds of formula (Ie) are prepared in which R x and / or R 2 represent either an amino group, or a group -COOH, or a group -COOR 4 , or a group -CONH 2 , or a group -CONHR 4 , either a group -CONR 4 R 5 , or a group -NHC0R 4 , or a group -NHS0 2 R 4 , or a group -N (R 4 ) where R 4 and R 5 are each a group (C x -C 4 ) alkyl, from the corresponding compounds of formula (Ie) in which R x and / or R 2 represent either a nitro group or a cyano group, by conventional techniques known to those skilled in the art.
- R ⁇ and / or R 2 represent either an amino group, or a nitro group, or a cyano group, or a group - COOH, either a group -COOR 4 , or a group -C0NH 2 , or a group -CONHR 4 , or a group -CONR 4 R 5 / or a group -NHC0R 4 , or a group -NHS0 2 R 4 , or a group -N (R 4 ) 2 where R 4 and R 5 are each an (C 1 -C 4 ) alkyl group, R 3 is a hydrogen atom, Q represents two hydrogen atoms and A and Z are such that defined previously then the compound of formula (IX) is deprotected according to conventional techniques known to those skilled in the art and the procedure is continued according to the various steps described above for the compounds of formula (Ib).
- a compound of formula (VI) in which R x R 2 and P are as defined above is reacted with a compound of formula C1CH 2 C0 2 R in which R represents an (C 2 -C 6 ) alkyl group in the presence of '' a strong base such as
- the starting compounds are commercially available or described in the literature or can be prepared according to methods which are described therein or which are known to those skilled in the art.
- VIII is inspired by the method described by S. Inaba et al., Chem. Pharm. Bull. , ___, n ° 8, pp. 1628-1636 (1972) and those described in US patents US 4,022,778, and German DE 1906,254, DE 2005,845 and DE 2017,857.
- Certain 3- (piperazin-1-yl) benz [d] isoxazoles are prepared according to known methods such as, for example, those described by J. Yevich et al., J. Med. Chem. , 2_, n ° 3, pp 359-369 (1986), described in patent applications WO 9412495 and in US patents 4,355,037 and US 5,143,923.
- 6-fluoro-3- (piperidin-4-yl) -1-methylindazole is prepared according to the method described in the patent applications
- Example 1 7-fluoro-10- [2- [4- (6-fluoro-1, 2-benzisothiazol-3-yl) iperazin-1-yl] ethyl] -2-methyl- hydrochloride 3, 4- dihydropyrazino [1, 2-a] indol-1 (2H) -one (2: 1)
- the mixture is stirred for 16 hours under a pressure of 0.1 MPa (1 atm) of hydrogen at room temperature.
- the reaction mixture is then filtered on celite and rinsed several times with ethanol.
- the filtrate is concentrated to dryness, then the residue is taken up in 100 ml of absolute ethanol.
- 0.10 g of sodium ethylate is added and the solution is heated at 60 ° C for 1.5 hours.
- the reaction medium is evaporated to dryness and then taken up in 200 ml of ethyl acetate. This solution is washed with water and the organic phase is dried over sodium sulfate, filtered and concentrated.
- the residue is purified by chromatoflash on silica, eluting with a ⁇ -heptane: ethyl acetate mixture (1: 1) containing traces of ammonia.
- the temperature of the reaction medium is allowed to return to room temperature and it is left stirring for 4.5 hours at this temperature.
- the reaction medium is acidified to pH 2 with a 6N aqueous hydrochloric acid solution.
- the yellow precipitate obtained is drained and taken up in a solution of 14 g of sodium carbonate in 200 ml of hot water.
- the white precipitate thus obtained is drained, filtered and the filtrate is acidified to pH 1-2.
- the second white precipitate is drained, the precipitates are combined and dried in an oven at 40 ° C.
- the reaction medium is then evaporated to dryness and the residue is taken up in 150 ml of dichloromethane.
- the solution is washed with water and then with a saturated aqueous solution of sodium chloride.
- the organic phase is dried over sodium sulfate, filtered and concentrated.
- the hydrochloride is prepared in a methanol mixture: 2N hydrochloric ether
- Example 2 7-fluoro-10- [2- [4- (6-fluoro-1, 2-benzisothiazol-3-yl) hydrochloride piperidin-1-yl] ethyl] -l- oxo-1,2,3,4-tetrahydro-pyrazino [1, 2-a] indole-2-acetamide (1: 1)
- the filtrate is diluted with 200 ml of dichloromethane and washed with water.
- the organic phase is recovered, dried over sodium sulfate, filtered and concentrated.
- the residue is purified by chromatography on a column of silica gel, eluting successively with an n-heptane: ethyl acetate mixture (1: 4), with ethyl acetate and then with an ethyl acetate: methanol mixture. (95: 5).
- the reaction mixture is cooled to room temperature and then diluted in 150 ml of dichloromethane and 50 ml of water.
- the organic phase is decanted, dried over sodium sulfate, filtered and concentrated.
- the residue is purified by chromatoflash on silica, first eluting with an ethyl acetate: methanol mixture (95: 5) containing traces of ammonia, then with a dichloromethane: methanol mixture (9: 1) also containing traces of ammonia.
- the hydrochloride is prepared in a methanol mixture: 2N hydrochloric ether.
- Example 3 (Compound No. 10) 7-fluoro-10- [2- [4- (6-fluoro-1, 2-benzisoxazol-3-yl) piperidin-1-yl] ethyl] -1-oxo- hydrochloride 1,2,3,4-tetrahydropyrazino [1,2-a] indole-2-acetamide (1: 1)
- reaction medium is then evaporated to dryness and the residue is taken up in 150 ml of chloroform and 50 ml of water.
- organic phase is decanted, dried over sodium sulfate, filtered and concentrated.
- the residue is then purified by chromatoflash on silica, eluting with a dichloromethane: methanol mixture (95: 5 then 90:10) containing traces of ammonia.
- This solution is stirred at -70 ° C for 1 hour, the temperature of the reaction medium is allowed to rise to -30 ° C in one hour, it is hydrolyzed at -60 ° C by addition of 100 ml of a saturated aqueous chloride solution of ammonium and the mixture is extracted several times with ether. The organic phases are washed with water and then with a saturated aqueous solution of sodium chloride. Then dried over magnesium sulfate, filtered and concentrated. The residue is purified by chromotoflash on silica, eluting with ⁇ -heptane and then with an n-heptane: ethyl acetate mixture. (95: 5).
- the mixture is stirred for 1 hour at 0-5 ° C and then for 20 hours at room temperature, the reaction medium is then evaporated to dryness and the residue is taken up in 300 ml of chloroform. We wash this solution with water and the organic phase is dried over sodium sulfate, filtered and concentrated. The residue is purified by chromatoflash on silica, eluting with an ethyl acetate: methanol mixture (98: 2, 95: 5 then 90:10) containing traces of ammonia.
- reaction medium is then hydrolyzed by the addition of 10 ml of a saturated aqueous solution of ammonium chloride and then extracted with ether.
- organic phase is dried over magnesium sulfate, filtered and concentrated.
- residue obtained is purified by chromatoflash on silica, eluting with a mixture of ethyl acetate n-heptane (4: 1). 0.43 g (80%) of a pale yellow oil is obtained.
- the reaction mixture is cooled to room temperature, 50 ml of water are added and the mixture is extracted with dichloromethane. The organic phase is dried over sodium sulfate, filtered and concentrated. The residue is purified by chromatoflash on silica first eluting with an ethyl acetate: methanol mixture (95: 5) containing traces of ammonia and then with a dichloromehane: methanol mixture (9: 1) also containing traces of ammonia. 0.085 g of base is obtained in the form of an off-white solid.
- Example 5 8-fluoro-10- [2- [4- (6-fluoro-1, 2-benzisoxazol-3-yl) piperidin-1-yl] ethyl] -2-methyl- hydrochloride 3,4-dihydropyrazino [1,2-a] indol-1 (2H) -one (1: 1)
- the reaction mixture is evaporated to dryness and the residue is taken up in 150 ml of chloroform.
- the solution is washed with water and then with a saturated aqueous solution of sodium chloride.
- the organic phase is dried over sodium sulfate, filtered and concentrated.
- Example 6 8-fluoro-10- [2- [4- (4-fluorobenzoyl) piperidin-1-yl] ethyl] -2-methyl-3,4-dihydropyrazino hydrochloride [1,2- a] indol-1 (2H) -one (1: 1)
- the reaction mixture is evaporated to dryness and the residue is taken up in 150 ml of chloroform.
- the solution is washed with water and then with a saturated aqueous solution of sodium chloride.
- the organic phase is dried over sodium sulfate, filtered and concentrated.
- the product is purified by chromatoflash on silica, eluting with an ethyl acetate: methanol mixture (95: 5 then 90:10) containing traces of ammonia.
- the hydrochloride is prepared in a methanol mixture: 2N hydrochloric ether
- Example 8 (compound No. 41) 8-fluoro-10- [2- [4- (4-fluorobenzoyl) piperidin-1-yl] ethyl] -2- (2-hydroxyethyl) -3,4-dihydropyrazino hydrochloride 1,2-a] indol-1 (2H) -one (1: 1)
- Example 9 (compound No. 7) 8-cyano-10- [2- [4- (6-fluoro-1, 2-benzisoxazol-3-yl) piperidin-1-yl] ethyl] -2-methyl- hydrochloride 3, 4 -dihydropyrazino [1,2-a] indol-1 (2H) -one (1: 1)
- the reaction medium is diluted in 600 ml of ethyl acetate and the solution is washed with a 20% aqueous solution of sodium thiosulfate and then with a saturated aqueous solution of sodium chloride.
- the organic phase is dried over magnesium sulfate, filtered and evaporated to dryness.
- Extract with acetate ethyl and the organic phase is washed with a saturated aqueous solution of sodium chloride, dried over sodium sulfate, filtered and concentrated.
- the residue is purified by filtration on a silica pad, eluting first with ethyl acetate, then with a dichloromethane: methanol mixture (9: 1).
- the reaction medium is diluted in 700 ml of chloroform and the solution is washed with water and then with a saturated aqueous solution of sodium chloride.
- the organic phase is dried over sodium sulfate, filtered and concentrated.
- the residue is purified by chromatography on silica, eluting with a mixture of n-heptane: ethyl acetate (90:10, 85:15 then 75:25) containing traces of triethylamine.
- the mixture is stirred for 20 minutes at this temperature and then a solution of 14.7 ml (0.154 mol) of ethyl chloroformate diluted in 75 ml of tetrahydrofuran is added dropwise.
- the mixture is stirred at -70 ° C for 1.5 hours then the mixture is allowed to rise room temperature in 1 hour.
- the reaction medium is cooled to -60 ° C. and hydrolyzed by the addition of 450 ml of a saturated aqueous solution of ammonium chloride. It is extracted several times with ether and the organic phases are washed with a saturated aqueous solution of sodium chloride, dried over sodium sulfate, filtered and concentrated.
- the reaction medium is evaporated to dryness and the residue is taken up in 300 ml of dichloromethane.
- the solution is washed with a saturated aqueous solution of ammonium chloride, then with a saturated aqueous solution of sodium chloride.
- the organic phase is dried over sodium sulfate, filtered and concentrated.
- the residue is purified by chromatoflash on silica, eluting with an n-heptane: ethyl acetate mixture (1: 1) containing traces of triethylamine. 3.57 g of product are obtained in the form of a pale yellow solid.
- reaction medium is evaporated to dryness and the residue is taken up in 100 ml of dichloromethane.
- the solution is washed twice with water and the organic phase is dried over sodium sulfate, filtered and then concentrated. 0.41 g of product is obtained in the form of a beige solid.
- Example 10 (Compound No. 8) 10- [2- [4- (6-fluoro-1,2,2-benzisoxazol-3-yl) piperidin-1-yl] ethyl] -2-methyl -1-oxo- hydrochloride 1, 2, 3,4-tetrahydropyrazino [1, 2-a] indole-8-carboxamide (1: 1)
- Example 11 hydrochloride of 10- [2- [4- (3-methoxybenzoyl) piperidin-1-yl] ethyl] -2 -methyl -3,4-dihydropyrazino [1,2-a] indol- 1 [2 H) -one (1: 1)
- N-acetylisonipecinic acid 10.0 g (58.41 mmol) of N-acetylisonipecinic acid are added to 60 ml of thionyl chloride with stirring at room temperature. After 15 minutes, 80 ml of petroleum ether are added, the solid is drained, rinsed with petroleum ether and dried under vacuum. The product obtained is suspended with 6.27 g (64.27 mmol) of N, O-dimethylhydroxylamine hydrochloride in 10 volumes of 1,2-dichloroethane at room temperature. 10.3 ml (0.13 mole) of pyridine are added dropwise and the mixture is stirred for 2 hours at this temperature.
- Example 12 (Compound No. 47) 10- [2- [4- (6-fluoro-1, 2-benzisoxazol-3- yl) piperidin-1-yl] ethyl] pyrazino [1,2-a] indole hydrochloride -1, 3- (2DD, 4H) - dione (1: 1)
- the hydrochloride is prepared in a methanol: 2N hydrochloric ether mixture.
- the reaction medium is then evaporated to dryness and the residue is taken up in 150 ml of dichloromethane.
- the solution is washed with water, the organic phase is dried over sodium sulfate, filtered and concentrated.
- the hydrochloride is prepared in a methanol mixture: 2N hydrochloric ether
- HC1 represents a hydrochloride and (x: y) the ratio (acid: base); the absence of any mention means that the compound is in the base form, - in the "Melting point" column: (d) corresponds to a fusion with decomposition. Board
- the compounds of the invention have been the subject of pharmacological studies which have demonstrated their antagonistic properties of serotonin and their advantage as substances with therapeutic activity.
- the compounds of the invention were subjected to a test for inhibition of the vasopressor effect of serotonin.
- Male rats Sprague-Dawley, Charles River France) weighing 250 to 300 g are used, which are anesthetized with sodium pentobarbital (60 mg / kg / ip) and which are maintained under artificial respiration (Harvard TM respirator - breathing rate of 70 ml per minute, air volume 1 ml per 100 g of body weight).
- the animals are amyele using a metal rod, introduced by the orbit of the right eye down along the spine.
- the right and left vagus nerves are sectioned (bivagotomy), the right carotid artery is ligated, the left carotid artery being catheterized to measure blood pressure using a pressure cell (Statham P23Db type).
- a femoral vein is catheterized for the administration of various compounds.
- the increases in mean arterial pressure induced by serotonin administered intravenously at a dose of 30 ⁇ g / kg are measured.
- the compounds of the invention or the vehicle are administered 5 minutes (for the i.v. studies) or 75 minutes (for the oral studies) before the administration of serotonin.
- the compounds of the invention are administered in doses ranging from 0.001 to 10 mg / kg.
- the percentage inhibition of the control response to serotonin is used to assess the antagonistic potential for serotonin of the compounds of the invention.
- the compounds of the invention have also been the subject of an inhibition test of the binding of [ 3 H] spiroperidol to the serotonergic receptors 5-HT 2 of the rat cerebral cortex.
- the homogeneous mixture is centrifuged at 40,000 xg for 10 minutes then, twice, the pellet is recovered, it is washed by suspending it in the same buffer mixture, it is homogenized again and it is centrifuged.
- the final pellet is diluted in the same buffer mixture at the rate of 500 mg of wet tissue per 10 ml of buffer.
- the tissue is then subjected to a preliminary incubation of 10 minutes at 37 ° C in the presence of 10 ⁇ m / 1 of pargyline, then to an incubation of 20 minutes at 37 ° C in the presence of 3 H-spiroperidol (specific activity: 19 Ci per mmol) at the concentration of 0.3 nM and of the compound to be studied at concentrations ranging from 0.0001 to 100 ⁇ M.
- the IC 50 is determined graphically, a concentration which inhibits 50% of the specific binding.
- the specific binding is defined as being the binding displaced by 100 ⁇ M of 5-HT.
- the IC 50 values of the compounds of the invention are less than 1 ⁇ M.
- the compounds of the invention have also been tested in a sumatriptan vasoconstriction model of the saphenous vein isolated from dogs (antagonistic activity at the level of the 5-HT 1 _ like receptor, according to HUMPHREY et al.
- Saphenous veins of Beagles or Anglopoitevin dogs are removed under pentobarbital anesthesia administered by intravenous injection.
- the vessel is cut into a helix 0.4 cm wide and then divided into segments 0.5 cm long.
- Each fragment, mounted between two clamps, is placed in a tank with isolated organs containing 20 ml of a physiological Krebs solution of the following composition (m): NaCl 118; KCl 4.7; MgCl 2 1.2; CaCl 2 2.6; NaHC0 3 25; Glucose 11.1; ascorbic acid 0.11.
- the organ maintained at 37 ° C under a current of carbogen (95% 0 2 -5% C0 2 ) at pH 7.4 is connected to a Hugo Sachs type 351 isometric sensor under a voltage basal of 2 g and connected to a Gould 2400S polygraph allowing the recording of blood pressure variations. Data acquisition is automated by microinformatics system.
- the organ is stimulated by 3 ⁇ M of noradrenaline in order to check its viability.
- a concentration-response contractile curve for Sumatriptan is then constructed cumulatively between 10 nM and 10 ⁇ M.
- the maximum contraction is obtained (plateau of the effect at two consecutive concentrations of Sumatriptan)
- the preparation is rinsed thoroughly by intercalating periods of rest to allow the organ to return to the initial tension.
- the compound to be studied is then added to the organ bath 15 minutes before a second concentration-response curve for Sumatriptan is constructed.
- the contraction responses obtained in the presence of the compound are expressed as a percentage of the maximum contraction observed during the first curve with Sumatriptan.
- the curves are analyzed by non-linear regression in order to determine the E max (maximum response) and the EC 50 (concentration producing 50% of the maximum response).
- K B [concentration of the compound in M] / (CR - 1) where CR represents the ratio of the EC 50 of Sumatriptan in the presence and in absence of the compound.
- sarcoma can be used in the treatment and prevention of various forms of pathology involving serotonin, such as arterial, venous, pulmonary, portal, renal or ocular hypertension, cardiac, renal, ocular, cerebral ischemia, or lower limbs, heart failure, myocardial infarction, angina, or coronary vasospasms peripheral, thrombosis (alone or as an adjunct to thro bolysis), arteritis, intermittent claudication, restenosis after angioplasty and various pathological conditions associated with atherosclerosis, microcirculation disorders or pulmonary dysfunctions. They can also be used, alone or in combination with other substances in vascular grafting procedures.
- serotonin such as arterial, venous, pulmonary, portal, renal or ocular hypertension, cardiac, renal, ocular, cerebral ischemia, or lower limbs, heart failure, myocardial infarction, angina, or coronary vasospasms peripheral, thrombosis (alone or as
- the compounds of the invention can be used in combination with other substances with cardiovascular or cardiopulmonary activity, such as antithrombotics, thrombolytics, ⁇ -blockers, calcium antagonists, thromboxane antagonists, thromboxane inhibitors synthetase.
- these compounds can be presented in any form suitable for oral or parenteral administration, such as tablets, dragees, capsules, capsules, topical ocular formulations in association with suitable excipients. These forms are dosed to allow administration of 0.1 mg to 1 g, one to several times a day.
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9703389 | 1997-03-20 | ||
| FR9703389A FR2761070B1 (fr) | 1997-03-20 | 1997-03-20 | Derives de dihydropyrazino[1,2-a]indole-1-one, leur preparation et leur application en therapeutique |
| PCT/FR1998/000529 WO1998042710A1 (fr) | 1997-03-20 | 1998-03-17 | Derives de dihydropyrazino[1,2-a]indole-1-one, leur preparation et leur application en therapeutique |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP0971926A1 true EP0971926A1 (fr) | 2000-01-19 |
Family
ID=9505000
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP98914929A Ceased EP0971926A1 (fr) | 1997-03-20 | 1998-03-17 | DERIVES DE DIHYDROPYRAZINO 1,2-$i(A)]INDOLE-1-ONE, LEUR PREPARATION ET LEUR APPLICATION EN THERAPEUTIQUE |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP0971926A1 (fr) |
| AR (1) | AR012095A1 (fr) |
| AU (1) | AU6924098A (fr) |
| FR (1) | FR2761070B1 (fr) |
| WO (1) | WO1998042710A1 (fr) |
| ZA (1) | ZA982369B (fr) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001060796A1 (fr) | 2000-02-18 | 2001-08-23 | Meiji Seika Kaisha, Ltd. | DERIVES DE PHENOXYALKYLAMINE UTILES EN TANT QU'AGONISTES DU RECEPTEUR OPIOIDE $g(d) |
| ES2607113T3 (es) | 2012-03-16 | 2017-03-29 | Vitae Pharmaceuticals, Inc. | Moduladores de los receptores X del hígado |
| SI2825541T1 (sl) | 2012-03-16 | 2016-10-28 | Vitae Pharmaceuticals, Inc. | Modulatorji jetrnega receptorja X |
| WO2015148854A1 (fr) | 2014-03-27 | 2015-10-01 | Vanderbilt University | Inhibiteurs de indole mcl-1 substitués |
| US9949965B2 (en) | 2014-10-17 | 2018-04-24 | Vanderbilt University | Tricyclic indole Mcl-1 inhibitors and uses thereof |
| BR112018067775B1 (pt) | 2016-03-04 | 2024-02-15 | Vanderbilt University | Compostos inibidores de mcl-1 indol substituídos, composição farmacêutica compreendendo ditos compostos e usos terapêuticos dos mesmos |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2027898A6 (es) * | 1991-01-24 | 1992-06-16 | Espanola Prod Quimicos | Procedimiento de preparacion de nuevos derivados de la 2-metoxifenilpiperacina. |
| EP0572863A1 (fr) * | 1992-06-05 | 1993-12-08 | F. Hoffmann-La Roche Ag | Pyrazinoindoles à activité sur le SNC |
-
1997
- 1997-03-20 FR FR9703389A patent/FR2761070B1/fr not_active Expired - Fee Related
-
1998
- 1998-03-17 WO PCT/FR1998/000529 patent/WO1998042710A1/fr not_active Ceased
- 1998-03-17 AU AU69240/98A patent/AU6924098A/en not_active Abandoned
- 1998-03-17 EP EP98914929A patent/EP0971926A1/fr not_active Ceased
- 1998-03-18 AR ARP980101210A patent/AR012095A1/es unknown
- 1998-03-19 ZA ZA982369A patent/ZA982369B/xx unknown
Non-Patent Citations (1)
| Title |
|---|
| See references of WO9842710A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2761070A1 (fr) | 1998-09-25 |
| FR2761070B1 (fr) | 1999-04-23 |
| AU6924098A (en) | 1998-10-20 |
| ZA982369B (en) | 1998-09-23 |
| AR012095A1 (es) | 2000-09-27 |
| WO1998042710A1 (fr) | 1998-10-01 |
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