IE913005A1 - Indolonaphthyridines - Google Patents
IndolonaphthyridinesInfo
- Publication number
- IE913005A1 IE913005A1 IE300591A IE300591A IE913005A1 IE 913005 A1 IE913005 A1 IE 913005A1 IE 300591 A IE300591 A IE 300591A IE 300591 A IE300591 A IE 300591A IE 913005 A1 IE913005 A1 IE 913005A1
- Authority
- IE
- Ireland
- Prior art keywords
- compound
- formula
- acid addition
- alkyl
- addition salt
- Prior art date
Links
- ZBZOBDKYIFMLHI-UHFFFAOYSA-N 5h-indolo[3,2-b][1,8]naphthyridine Chemical class C1=CC=C2CC3=NC4=CC=CC=C4C3=NC2=N1 ZBZOBDKYIFMLHI-UHFFFAOYSA-N 0.000 title abstract 2
- 150000001875 compounds Chemical class 0.000 claims description 42
- FLBAYUMRQUHISI-UHFFFAOYSA-N 1,8-naphthyridine Chemical compound N1=CC=CC2=CC=CN=C21 FLBAYUMRQUHISI-UHFFFAOYSA-N 0.000 claims description 31
- 239000002253 acid Substances 0.000 claims description 20
- 150000003839 salts Chemical group 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 17
- 125000000217 alkyl group Chemical group 0.000 claims description 16
- 238000004519 manufacturing process Methods 0.000 claims description 14
- 239000001257 hydrogen Substances 0.000 claims description 13
- 229910052739 hydrogen Inorganic materials 0.000 claims description 13
- 239000012458 free base Substances 0.000 claims description 10
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 7
- 125000003545 alkoxy group Chemical group 0.000 claims description 7
- 125000004414 alkyl thio group Chemical group 0.000 claims description 7
- 150000002431 hydrogen Chemical group 0.000 claims description 6
- 125000003710 aryl alkyl group Chemical group 0.000 claims description 4
- 229910052736 halogen Inorganic materials 0.000 claims description 4
- 150000002367 halogens Chemical class 0.000 claims description 4
- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 claims description 4
- 208000019901 Anxiety disease Diseases 0.000 claims description 3
- 206010003805 Autism Diseases 0.000 claims description 3
- 208000020706 Autistic disease Diseases 0.000 claims description 3
- 208000032841 Bulimia Diseases 0.000 claims description 3
- 206010006550 Bulimia nervosa Diseases 0.000 claims description 3
- 206010022773 Intracranial pressure increased Diseases 0.000 claims description 3
- 208000019695 Migraine disease Diseases 0.000 claims description 3
- 208000021384 Obsessive-Compulsive disease Diseases 0.000 claims description 3
- 206010033664 Panic attack Diseases 0.000 claims description 3
- 125000005093 alkyl carbonyl alkyl group Chemical group 0.000 claims description 3
- 230000036506 anxiety Effects 0.000 claims description 3
- 125000003118 aryl group Chemical group 0.000 claims description 3
- -1 arylcarbonylalkyl Chemical group 0.000 claims description 3
- 125000005242 carbamoyl alkyl group Chemical group 0.000 claims description 3
- 206010027599 migraine Diseases 0.000 claims description 3
- 208000019906 panic disease Diseases 0.000 claims description 3
- 201000011264 priapism Diseases 0.000 claims description 3
- 238000011321 prophylaxis Methods 0.000 claims description 3
- 201000000980 schizophrenia Diseases 0.000 claims description 3
- 238000011282 treatment Methods 0.000 claims description 3
- 239000003937 drug carrier Substances 0.000 claims description 2
- 239000008194 pharmaceutical composition Substances 0.000 claims description 2
- 239000008024 pharmaceutical diluent Substances 0.000 claims description 2
- LMBFAGIMSUYTBN-MPZNNTNKSA-N teixobactin Chemical compound C([C@H](C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CO)C(=O)N[C@H](CCC(N)=O)C(=O)N[C@H]([C@@H](C)CC)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CO)C(=O)N[C@H]1C(N[C@@H](C)C(=O)N[C@@H](C[C@@H]2NC(=N)NC2)C(=O)N[C@H](C(=O)O[C@H]1C)[C@@H](C)CC)=O)NC)C1=CC=CC=C1 LMBFAGIMSUYTBN-MPZNNTNKSA-N 0.000 claims description 2
- 238000002360 preparation method Methods 0.000 abstract description 8
- 239000003814 drug Substances 0.000 abstract description 2
- 229940124597 therapeutic agent Drugs 0.000 abstract 1
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 39
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 32
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 30
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 28
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 21
- 238000002844 melting Methods 0.000 description 20
- 230000008018 melting Effects 0.000 description 20
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 12
- 238000002425 crystallisation Methods 0.000 description 10
- 239000000243 solution Substances 0.000 description 10
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 8
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 7
- 239000002585 base Substances 0.000 description 7
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 7
- 239000000203 mixture Substances 0.000 description 7
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 6
- 239000011541 reaction mixture Substances 0.000 description 6
- OFOBLEOULBTSOW-UHFFFAOYSA-L Malonate Chemical compound [O-]C(=O)CC([O-])=O OFOBLEOULBTSOW-UHFFFAOYSA-L 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 5
- 230000008020 evaporation Effects 0.000 description 5
- 238000001704 evaporation Methods 0.000 description 5
- 239000000047 product Substances 0.000 description 5
- 238000003756 stirring Methods 0.000 description 5
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 4
- 125000004432 carbon atom Chemical group C* 0.000 description 4
- 239000007858 starting material Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- VHFVKMTVMIZMIK-UHFFFAOYSA-N 1-(3-chlorophenyl)piperazine Chemical compound ClC1=CC=CC(N2CCNCC2)=C1 VHFVKMTVMIZMIK-UHFFFAOYSA-N 0.000 description 3
- 238000005160 1H NMR spectroscopy Methods 0.000 description 3
- BZLVMXJERCGZMT-UHFFFAOYSA-N Methyl tert-butyl ether Chemical compound COC(C)(C)C BZLVMXJERCGZMT-UHFFFAOYSA-N 0.000 description 3
- HEDRZPFGACZZDS-MICDWDOJSA-N Trichloro(2H)methane Chemical compound [2H]C(Cl)(Cl)Cl HEDRZPFGACZZDS-MICDWDOJSA-N 0.000 description 3
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical compound [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 3
- 125000004494 ethyl ester group Chemical group 0.000 description 3
- 239000012074 organic phase Substances 0.000 description 3
- MOZWAFVDCLHLAL-UHFFFAOYSA-N 2,3-dihydroindol-1-yl(pyridin-4-yl)methanone Chemical compound C1CC2=CC=CC=C2N1C(=O)C1=CC=NC=C1 MOZWAFVDCLHLAL-UHFFFAOYSA-N 0.000 description 2
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonium chloride Substances [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 2
- SIKJAQJRHWYJAI-UHFFFAOYSA-N Indole Chemical compound C1=CC=C2NC=CC2=C1 SIKJAQJRHWYJAI-UHFFFAOYSA-N 0.000 description 2
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 2
- 229910000091 aluminium hydride Inorganic materials 0.000 description 2
- 235000011114 ammonium hydroxide Nutrition 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 239000012043 crude product Substances 0.000 description 2
- 229960001270 d- tartaric acid Drugs 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 208000035475 disorder Diseases 0.000 description 2
- 125000003754 ethoxycarbonyl group Chemical group C(=O)(OCC)* 0.000 description 2
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- AMWRITDGCCNYAT-UHFFFAOYSA-L hydroxy(oxo)manganese;manganese Chemical compound [Mn].O[Mn]=O.O[Mn]=O AMWRITDGCCNYAT-UHFFFAOYSA-L 0.000 description 2
- INQOMBQAUSQDDS-UHFFFAOYSA-N iodomethane Chemical compound IC INQOMBQAUSQDDS-UHFFFAOYSA-N 0.000 description 2
- 239000012280 lithium aluminium hydride Substances 0.000 description 2
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 2
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 description 2
- 125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 108010010573 serotonin 1C receptor Proteins 0.000 description 2
- 235000011121 sodium hydroxide Nutrition 0.000 description 2
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 2
- FYSNRJHAOHDILO-UHFFFAOYSA-N thionyl chloride Chemical compound ClS(Cl)=O FYSNRJHAOHDILO-UHFFFAOYSA-N 0.000 description 2
- CJPWMECBMXFGOO-UHFFFAOYSA-N 2,3-dihydroindol-1-yl-(1-methyl-3,6-dihydro-2h-pyridin-4-yl)methanone Chemical compound C1N(C)CCC(C(=O)N2C3=CC=CC=C3CC2)=C1 CJPWMECBMXFGOO-UHFFFAOYSA-N 0.000 description 1
- RWYBBOAOLAFBPG-UHFFFAOYSA-M 2,3-dihydroindol-1-yl-(1-methylpyridin-1-ium-4-yl)methanone;iodide Chemical compound [I-].C1=C[N+](C)=CC=C1C(=O)N1C2=CC=CC=C2CC1 RWYBBOAOLAFBPG-UHFFFAOYSA-M 0.000 description 1
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 1
- 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 description 1
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 1
- DCSPAJVKWMTOAS-UHFFFAOYSA-N C12CNCCC2CN2CCC3=CC=CC1=C32 Chemical class C12CNCCC2CN2CCC3=CC=CC1=C32 DCSPAJVKWMTOAS-UHFFFAOYSA-N 0.000 description 1
- 101150041968 CDC13 gene Proteins 0.000 description 1
- KXDHJXZQYSOELW-UHFFFAOYSA-M Carbamate Chemical compound NC([O-])=O KXDHJXZQYSOELW-UHFFFAOYSA-M 0.000 description 1
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N DMSO Substances CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- JGFZNNIVVJXRND-UHFFFAOYSA-N N,N-Diisopropylethylamine (DIPEA) Chemical compound CCN(C(C)C)C(C)C JGFZNNIVVJXRND-UHFFFAOYSA-N 0.000 description 1
- 241000700159 Rattus Species 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 239000005557 antagonist Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 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
- 239000000969 carrier Substances 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 150000001868 cobalt Chemical class 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- AOISSMKPXFYOOG-UONOGXRCSA-N ethyl N-[(2S,7S)-8-oxo-4,9-diazatetracyclo[7.6.1.02,7.012,16]hexadeca-1(15),12(16),13-trien-4-yl]carbamate Chemical compound C(C)OC(NN1C[C@@H]2C3=C4N(C([C@H]2CC1)=O)CCC4=CC=C3)=O AOISSMKPXFYOOG-UONOGXRCSA-N 0.000 description 1
- OFTIHLKXPJICNY-UHFFFAOYSA-N ethyl N-[4-(2,3-dihydroindole-1-carbonyl)-3,6-dihydro-2H-pyridin-1-yl]carbamate Chemical compound C(C)OC(NN1CCC(=CC1)C(=O)N1CCC2=CC=CC=C12)=O OFTIHLKXPJICNY-UHFFFAOYSA-N 0.000 description 1
- RIFGWPKJUGCATF-UHFFFAOYSA-N ethyl chloroformate Chemical compound CCOC(Cl)=O RIFGWPKJUGCATF-UHFFFAOYSA-N 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 238000001640 fractional crystallisation Methods 0.000 description 1
- VZCYOOQTPOCHFL-OWOJBTEDSA-M fumarate(1-) Chemical compound OC(=O)\C=C\C([O-])=O VZCYOOQTPOCHFL-OWOJBTEDSA-M 0.000 description 1
- BNTRVUUJBGBGLZ-UHFFFAOYSA-N hydron;pyridine-4-carbonyl chloride;chloride Chemical compound Cl.ClC(=O)C1=CC=NC=C1 BNTRVUUJBGBGLZ-UHFFFAOYSA-N 0.000 description 1
- 239000005457 ice water Substances 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- 239000011630 iodine Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000033001 locomotion Effects 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 description 1
- 125000002816 methylsulfanyl group Chemical group [H]C([H])([H])S[*] 0.000 description 1
- 150000005054 naphthyridines Chemical class 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- PIBWKRNGBLPSSY-UHFFFAOYSA-L palladium(II) chloride Chemical compound Cl[Pd]Cl PIBWKRNGBLPSSY-UHFFFAOYSA-L 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000000144 pharmacologic effect Effects 0.000 description 1
- FHPZOWOEILXXBD-UHFFFAOYSA-N phenylseleninyl benzeneseleninate Chemical compound C=1C=CC=CC=1[Se](=O)O[Se](=O)C1=CC=CC=C1 FHPZOWOEILXXBD-UHFFFAOYSA-N 0.000 description 1
- 230000003389 potentiating effect Effects 0.000 description 1
- SSOLNOMRVKKSON-UHFFFAOYSA-N proguanil Chemical compound CC(C)\N=C(/N)N=C(N)NC1=CC=C(Cl)C=C1 SSOLNOMRVKKSON-UHFFFAOYSA-N 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- RVQZKNOMKUSGCI-UHFFFAOYSA-N pyridine-4-carbonyl chloride Chemical compound ClC(=O)C1=CC=NC=C1 RVQZKNOMKUSGCI-UHFFFAOYSA-N 0.000 description 1
- UPZNFEYZMRXDPD-UHFFFAOYSA-N pyridine-4-carboxylic acid;hydrochloride Chemical compound Cl.OC(=O)C1=CC=NC=C1 UPZNFEYZMRXDPD-UHFFFAOYSA-N 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000012279 sodium borohydride Substances 0.000 description 1
- 229910000033 sodium borohydride Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- 125000000547 substituted alkyl group Chemical group 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 229960001367 tartaric acid Drugs 0.000 description 1
- 239000011975 tartaric acid Substances 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D471/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00
- C07D471/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00 in which the condensed system contains two hetero rings
- C07D471/06—Peri-condensed systems
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D471/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00
- C07D471/12—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00 in which the condensed system contains three hetero rings
- C07D471/16—Peri-condensed systems
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P13/00—Drugs for disorders of the urinary system
- A61P13/02—Drugs for disorders of the urinary system of urine or of the urinary tract, e.g. urine acidifiers
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P15/00—Drugs for genital or sexual disorders; Contraceptives
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P25/00—Drugs for disorders of the nervous system
- A61P25/18—Antipsychotics, i.e. neuroleptics; Drugs for mania or schizophrenia
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P25/00—Drugs for disorders of the nervous system
- A61P25/20—Hypnotics; Sedatives
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P3/00—Drugs for disorders of the metabolism
- A61P3/04—Anorexiants; Antiobesity agents
Abstract
Indolonaphthyridines of the formula I in which R1, R2, R3, R4, R5, X and Y are as defined in the description, their preparation, and their use as therapeutic agents.
Description
The present invention relates to new 7a,8,9,10,ll,lla-hexahydro and 4,5,7a,8,9,10,11,lla-octahydro-7H-indolo[1,7-bc][2,6]— naphthyridines.
These compounds, hereinafter referred to as new compounds, are compounds of formula I wherein Rx is hydrogen, alkyl, alkylcarbonylalkyl, arylcarbonylalkyl, aralkyl or carbamoylalkyl optionally mono- or disubstituted by alkyl or aryl, 100-7683 R2 is as defined for Rx and may additionally be trifluoromethyl, alkoxy or alkylthio, R3, R4 and R5 independently are hydrogen, halogen, alkyl, alkoxy, alkylthio or tri fluoromethyl and X and Y are each hydrogen or form together a single bond, in free base or acid addition salt form.
Depending on the substituents the new compounds may present two (in position 7a and 11a) or more asymmetrical carbon atoms. The invention includes all resulting stereomers as well as their mixtures, e.g. the racemic mixtures of the enantiomers.
In position 7a and 11a the configuration of the new compounds may be cis or trans.
Any alkyl, alkoxy or alkylthio group as well as any alkyl moiety in an alkylcarbonylalkyl, arylcarbonylalkyl, aralkyl or optionally substituted carbamoylalkyl group of a new compound contains 1 to 4 carbon atoms.
An aryl moiety in an arylcarbonylakyl, aralkyl or arylcarbamoylalkyl group is a five or six membered, saturated, unsaturated or aromatic carbocyclic ring optionally mono-, di- or trisubstituted by above-defined alkyl, alkoxy or alkylthio, wherein one or two carbon atoms may be replaced by nitrogen.
Halogen is fluorine, chlorine, bromine or iodine.
Insofar as above-defined alkyl, alkoxy or alkylthio groups are present in the new compounds, these preferably have one or two carbon atoms and especially signify methyl, methoxy or methylthio. 100-7683 An above-defined halogen is preferably fluorine or chlorine.
Rx is preferably alkyl, particularly methyl. R2, R3, R4 and R5 are preferably hydrogen. Preferably X and Y each are hydrogen.
The invention includes for example a group of compounds of formula I, wherein Rx is (Cx_4)alkyl and R2, R3, R4, R5, X and Y are each hydrogen, in free base or acid addition salt form.
The invention also includes a group of compounds of formula I, wherein Rx is (Cx_4)alkyl, R2, R3, R4 and R5 are each hydrogen and X and Y together form a single bond, in free base form or acid addition salt form.
The preferred compound is the (+)-cis-4,5,7a,8,9,10,ll,llaoctahydro-7H-10-methyl-indolo[l,7-bcJ[2,6]naphthyridine in free base or acid addition salt form.
The present invention also provides a process for the production of a compound of formula I or an acid addition salt thereof, which includes the step of a) for the production of a compound of formula Ia R N R R‘ Ia - 4 100-7683 wherein Ri, R2, R3, R4 and R5 are as defined above, replacing under reduction of the 7-oxo group the 10-ethoxycarbonyl group of a compound of formula II wherein R2, Rj, R4 and R5 are as defined above, by the group Ri, or b) for the production of a compound of formula Ib wherein Rx, R2, R3, R4 and R5 are as defined above, oxidating a compound of formula Ia, and recovering the thus obtained compound of formula I in free base or acid addition salt form. 100-7683 The reaction according to process a) may take place by known methods.
To introduce a methyl group, the ethoxycarbonyl group can be reduced in known manner, e.g. using aluminium hydride or complex aluminium hydrides such as lithium aluminium hydride.
To introduce a higher alkyl or a substituted alkyl group, the ethoxycarbonyl group can be firstly cleaved and the amine obtained can then be alkylated.
Oxidation of the compounds of formula Ia according to process b) may be carried out by known methods, for example using manganese oxide. 02/cobalt salts in methanol, palladium dichloride in triethylamine or benzene-selenic anhydride may also be used.
Working up of the obtained reaction mixtures and purification of the compounds of formula I thus obtained may take place in accordance with known methods.
Acid addition salts may be produced in known manner from the free bases, and vice versa.
The process according to the invention may be effected using starting products in the form of individual, optically active isomers or mixtures thereof, especially the racemates thereof, thus resulting in the corresponding end products.
The racemates can be split into individual, optically active components, whereby known methods are employed, e.g. via transient acid addition salt formation with optically active acids, e.g. (+)-[resp. (-)]-di-0,0'-p-toluoyl-D-(-)-[resp.
L_(+)]-tartaric acid, and fractional crystallisation of the diastereoisomeric acid addition salts. 100-7683 The starting compounds of formula II may be produced by commencing with isonicotinic acid chloride (known from Beilstein 4, vol. 22/1, page 526) and indoline (known from Beilstein 4, vol. 20/4, page 2896) or with deriatives thereof which can be produced according to known methods, in accordance with the following reaction scheme, e.g. as described in example 1 under a) to e): 100-7633 100-7683 The 7a,8,9,10,ll,lla-hexahydro- and 4,5,7a,8,9,10,ll,lla-octahydro-7H-indolo[1,7-bcJ[2,6]naphthyridines and their physiologically acceptable acid addition salts, hereinafter referred to as compounds according to the invention, exhibit interesting pharmacological activities in animal tests and are, therefore, useful as pharmaceuticals.
In particular, the compounds according to the invention have an antagonist effect at the central 5HT-1C receptors.
The compounds according to the invention have a potent binding affinity to central 5HT-1C receptors as e.g. measured according to the method disclosed by D. Hoyer et al., Eur. J. Pharm., 118, 13 - 23 (1985). The compound of Example 5 has a pKD value of 7.8.
The compounds according to the invention antagonise the hypolocomotion induced in rats by administration of m-chlorophenylpiperazine (mCPP) according to the method disclosed by G. A. Kennett and G. Curzon, Br. J. Pharmacol., 94, 137 - 147 (1988). In this test the compounds according to the invention counteract the mCPP reduced locomotion after administration at dosages of from about 0.5 to 30 mg/kg p.o.
The compounds according to the invention are therefore useful for the prophylactic treatment of migraine or for the treatment of disorders e.g. anxiety, depression, schizophrenia, autism, obsessive compulsive disorders, panic attacks, priapism, bulimia and situations of increased intracranial pressure.
An indicated daily dosage is in the range from about 0.5 to about 300 mg of a compound according to the invention, together with solid or liquid carriers or diluents. - 9 100-7683 In accordance with the foregoing, the present invention also provides a compound according to the invention, for use as a pharmaceutical, e.g. for the prophylactic treatment of migraine or for the treatment of disorders e.g. anxiety, depression, schizophrenia, autism, obsessive compulsive disorders, panic attacks, priapism, bulimia and situations of increased intracranial pressure.
The present invention furthermore provides a pharmaceutical composition comprising a compound according to the invention in association with at least one pharmaceutical carrier or diluent Such compositions may be manufactured in conventional manner.
In the following examples, all temperatures are uncorrected and are in degrees Centigrade. 100-7683 EXAMPLE 1: cis-4,5,7a,8,9,10,11,lla-octahydro-7H-10-methylindolo|l,7-bc][2,6]naphthyridine 2.03 g (53.4 mmols) of lithium aluminium hydride (aluminium hydride can also be used) are placed at 0° in absolute tetrahydrofuran. A solution of 1.61 g (5.36 mmols) of cis-4,5,7a,8,9,10,11,lla-octahydro-7-oxo-7H-indolo[1,7-bc][2,6]naphthyridine-10carbamic acid ethyl ester in absolute tetrahydrofuran is subsequently added in drops. The reaction mixture is refluxed for three hours and subsequently left to stand for 12 hours at room temperature. Afterwards, the reaction solution is cooled to -20° and water is added in drops. The product is extracted with toluene. The toluene phase is dried and concentrated by evaporation, cis-4,5,7a,8,9,10,11,lla-octahydro-7H-10-methylindolo[1,7-bc](2,6]naphthyridine is obtained as a yellow oil. The crude product is dissolved in acetone and mixed with the equivalent quantity of malonic acid. After crystallisation from methanol/acetone, the cis-4,5,7a,8,9,10,ll,lla-octahydro-7H-10methyl-indolo[1,7-bc][2,6]naphthyridine malonate is obtained with the melting point 158 - 159°.
The starting material may be produced as follows: a) 2,3-dihydro-l-(4-pyridinylcarbonyl)-lH-indole 327 g (2.05 mols) of isonicotinic acid chloride hydrochloride are placed in methylene chloride (the hydrochloride is prepared by reacting isonicotinic acid hydrochloride in thionyl chloride according to a conventional process). To the solution are added in drops at 20° 532 ml (3.69 mols) of triethylamine, followed by 206 ml (1.84 mols) of indoline dissolved in methylene chloride. The mixture is stirred for 16 hours at 20°. Afterwards, the preparation is washed with ‘water, the organic phase is dried and concentrated by 100-7683 evaporation. 2,3-dihydro-l-(4-pyridinylcarbonyl)-lH-indole is obtained with a melting point of 127 - 128° (crystallisation from methylene chloride/ethanol/hexane). b) 4-(2>3-dihydro-lH-indol-l-yl-carbonyl)-l-methylpyridiniumiodide 224 g (1 mol) of 2,3-dihydro-l-(4-pyridinylcarbonyl)-lHindole are suspended in acetone. The suspension is heated to reflux, and 137.6 ml (2.21 mols) of methyl iodide are added in drops. After 45 minutes, a further 68.8 ml (1.1 mols) of methyl iodide are added. The reaction mixture is refluxed for a further 2 hours. Afterwards, the crystallised product is filtered off, washed with ether and dried. 4-(2,3-dihydro-lHindol-l-yl-carbonyl)-l-methylpyridinium-iodide is obtained in the form of yellow crystals. It has a melting point of 242 243° (crystallisation acetone/ether). c) 2,3-dihydro-l-(l>2>3>6-tetrahydro-l-iaethyl-4-pyridinylcarbonyl)-lH-indole 308 g (0.84 mols) of 4-(2,3-dihydro-lH-indol-l-yl-carbonyl)1-methylpyridinium-iodide are suspended in ethanol. The solution is cooled to +10°. A mixture of 95.9 g (2.52 mols) of sodium borohydride in 960 ml of water and 96 ml of 30£ caustic soda is added in drops whilst stirring intensely. Stirring subsequently continues for 2 hours at room temperature. Afterwards, the reaction mixture is concentrated on a rotary evaporator. The residue is mixed with ice water and methylene chloride. The organic phase is separated and the product is extracted therefrom with 2 n hydrochloric acid. The aqueous solution containing hydrochloric acid is rendered alkaline with 30X caustic soda, and the product is extracted with methylene chloride. The organic phase is dried 100-7683 and concentrated by evaporation. 2,3-dihydro-l-(l,2,3,6tetrahydro-l-methyl-4-pyridinylcarbonyl)-lH-indole is obtained with a melting point of 70 - 72° (crystallisation from ether/petroleum ether). d) 4-(2,3-dihydro-lH-indol-l-yl-carbonyl)-l,2,3,6-tetrahydro-1pyridine-carbamic acid ethyl ester 145.4 g (0.6 mols) of 2,3-dihydro-l-(l,2,3,6-tetrahydro-lmethyl-4-pyridinylcarbonyl)-lH-indole are placed in toluene. 156.6 ml of N-ethyldiisopropylamine are added and heated to 80°. At the same temperature, a solution of 196.8 ml (2.1 mols) of chloroformic acid ethyl ester in toluene is added to the reaction mixture in drops. The mixture is stirred for 2 hours at 80° and subsequently cooled to 0°. The preparation is mixed with water-ice and washed with 2 n hydrochloric acid. The toluene phase is separated, dried and concentrated by evaporation. 4-(2,3-dihydro-lH-indol-l-ylcarbonyl)-l,2,3,6-tetrahydro-l-pyridinecarbamic acid ethyl ester is obtained with a melting point of 112 - 113° (crystallisation from methyl-tert.butylether/ether). e) cis-4,5,7a,8,9,10,11,1la-octahydro-7-oxo-7H-indolo[1,7-be](2,6]naphthyridine-10-carbamic acid ethyl ester 2.0 g (6.7 mmols) of 4-(2,3-dihydro-lH-indol-l-yl-carbonyl)1,2,3,6-tetrahydro-l-pyridinecarbamic acid ethyl ester in toluene are irradiated under argon, whilst stirring, with a 400 watt mercury high-pressure lamp. The reaction vessel is cooled under running water. After an interval of 12 hours, the dipping lamp is cleaned and the reaction solution is treated with 3 mol X active charcoal and filtered over Hyflo. After a total of 50 hours irradiation, the toluene is evaporated. The crude product is purified by column chromatoIE 913005 100-7683 graphy (silica gel) and the cis/trans diastereoisomers are thus separated. cis-4,5,7a,8,9,10,11,lla-octahydro-7-oxo-7Hindolo[1,7-bc](2,6]naphthyridine-10-carbamic acid ethyl ester is obtained as an oil.
IR(CH2C12) : r = 1665 cm [e-1] (amide C=0); 1690 cm [e-1] (carbamate C=0). 1H-NMR(D6-DMSO), 360 MHz : d (ppm) = 1.20 (t, J = 7.5 Hz; 3H, carbamate-CH3); 4.08 (q, J = 7.5 Hz; 2H, carbamate-CH2).
EXAMPLE 2; trans-4,5,7a,8,9,10,ll,lla-octahydro-7H-10-methylindolo]!,7-bc][2,6]naphthyridine Production corresponds to that of the cis-diastereoisomer (example 1). trans-4,5,7a,8,9,10,ll,lla-octahydro-7H-10-methylindolo[1,7-bc][2,6]naphthyridine is obtained with the melting point 102 - 103° (ether/hexane). As the malonate with the melting point 155 - 156° (acetone/methanol).
The starting material may be produced as follows: trans-4,5,73,8,9,10,11,lla-octahydro-7-oxo-7H-indolo[1,7-bc][2,6]naphthyridine-10-carbaaic acid ethyl ester Production corresponds to that of the cis-diastereoisomer (example 1 e). trans-4,5,7a,8,9,10,ll,lla-octahydro-7-oxo-7Hindolo[l,7-bc][2,6]naphthyridine-10-carbamic acid ethyl ester is obtained with a melting point of 132 - 133° (crystallisation from methyl-tert.butylether).
The following compounds of formula I are produced analogously to example 1: 100-7683 Example R config. m.p. of dihydrochloride 3 ethyl (+)-cis 280 - 281° 4 n-propyl (+)-cis 294 - 296° EXAMPLE 5: (+)-cis-4,5,73,8,9,10,11,lla-octahydro-7H-10-methy1indolo[l,7-bc][2,6jnaphthyridine 13.57 g (59 mmols) of (+/-)-cis-4,5,7a,8,9,10,ll,lla-octahydro7H-10-methyl-indolo[l,7-bc][2,6]naphthyridine (for preparation see example 1) are dissolved in acetone. This solution is mixed with 23.92 g (59 mmols) of (-)-di-0,0'-p-toluyl-L-tartaric acid monohydrate in acetone. The solution is concentrated, mixed with ether and the crystallised salt is filtered off and washed with acetone/ether. The salt is recrystallised from ethanol/acetone until reaching a constant rotatory value [to obtain the (-)-enantiomer (example 6), the mother liquors are collected separately]. (-)-di-0,0'-p-toluyl-L-tartrate is obtained with a melting point of 158 - 159° and the rotatory value of -46° (c = 0.5, methanol). The base is released from the crystallisate having constant rotatory value by adding ice/conc. ammonia solution and methylene chloride. (+)-cis-4,5,7a,8,9,10,ll,llaoctahydro-7H-10-methyl-indolo[1,7-bc][2,6 Jnaphthyridine is obtained with the rotatory value + 132° (c = 0.5; methanol). The base crystallises as the malonate with the melting point 129 130° (crystallisation from acetone/ether) and the rotatory value +71° (c = 0.5; methanol). 100-7683 EXAMPLE 6: (-)-cis-4,5,7a,8,9,10,ll,lla-octahydro-7H-10-methylindolo[l,7-bc][2,6jnaphthyridine Preparation is from (+/-)-cis-4,5,7a,8,9,10,ll,lla-octahydro-7H10-methyl-indolo[l,7-bc][2,6]naphthyridine (example 1) or from the collected mother liquors of (+)-enantiomer production, using (+)-di-0,0'-p-toluyl-D-tartaric acid. The process is analogous to the preparation of the (+)-enantiomer (example 5). (+)-di-0,0'-ptoluyl-D-tartrate is obtained with the melting point 160 - 161° (methanol/acetone) and the rotatory value +46° (c = 0.5, methanol). After release of the base, (-)-cis-4,5,7a,8,9,10,ll,lla-octahydro-7H-10-methyl-indolo[l,7-bc][2,6]naphthyridine is obtained with the rotatory value -130° (c = 0.5, methanol). The base crystallises as the malonate with the melting point 129 130° (acetone/ether) and the rotatory value -75° (c = 0.5, methanol).
EXAMPLE 7: cis-7a,8,9,10,11,lla-hexahydro-10-methyl-7H-indolo[1,7-bc][2,6]naphthyridine 200 mg (0.9 mmols) of cis-4,5,7a,8,9,10,11,lla-octahydro-7H-10methyl-indolo[l,7-bc][2,6Jnaphthyridine (example 1) are dissolved in methylene chloride. 2.00 g of manganese(IV)oxide (precipitated active) are added whilst stirring at 20°. Stirring is effected for 4 hours at room temperature, the reaction mixture is subsequently filtered over Hyflo and the methylene chloride filtrate is concentrated by evaporation. After crystallisation from ether, cis-7a,8,9,10,ll,lla-hexahydro-10-methyl-7H-indolo[1,7-bc][2,6]naphthyridine is obtained with the melting point 125 - 126°. 1H-NMR, 360 MHz (CDC13): d (ppm) = 2.31 (s; 3H, 10-N-CH3).
As the hydrogen fumarate, the compound has the melting point 127° (decomp.). 100-7683 EXAMPLE 8: trans-7a,8,9,10,ll,lla-hexahydro-10-methyl-7Hindolo[l,7-bc][2,6]naphthyridine Production corresponds to that of the cis-diastereoisomer (example 7). trans-7a,8,9,10,11,lla-hexahydro-10-methyl-7Hindolo[l,7-bc][2,6]naphthyridine is obtained with the melting point 143 - 145° (crystallisation from ethanol). 1H-NMR, 360 MHz(CDCl3): d (ppm) = 2.45 (s; 3H, 10-N-CH3); 6.44 (m; 1H, C-4-H).
The starting material may be produced as follows: a) trans-4,5,78,8,9,10,11,lla-octahydro-7-oxo-7H-indolo[l,7-bc][2,6]naphthyridine-10-carbamic acid ethyl ester Production corresponds to that of the cis-diastereoisomer (example 1 e). trans-4,5,7a,8,9,10,ll,lla-octahydro-7-oxo-7Hindolo[1,7-bc][2,6]naphthyridine-10-carbamic acid ethyl ester is obtained with a melting point of 132 - 133° (crystallisation from methyl-tert.butylether). b) t rans-4,5,7a,8,9,10,11,1la-oc tahydro-7H-10-me thyl-indolo[1,7-bc][2,6]naphthyridine Production corresponds to that of the cis-diastereoisomer (example 1). trans-4,5,7a,8,9,10,ll,lla-octahydro-7H-10methyl-indolo[l,7-bc][2,6]naphthyridine is obtained with a melting point of 102 - 103° (ether/hexane). As the malonate with a melting point of 155 - 156° (acetone/methanol).
The following compounds of formula I, wherein R2, R4, Rs, X and Y are hydrogen, are produced analogously to example 7: 100-7683 Example Ri r3 config. m.p. 9 ethyl H (±)-cis 156-158° (hydrogen maleinate) 10 n-propyl H (±)-cis 105-107° (hydrogen maleinate) 11 methyl 2-C1 (±)-trans 324° (decomp.) (hydrochloride) EXAMPLE 12: (-)-013-73,8,9,10,11,1la-hexahydro-10-methyl-7Hindolo[l,7-bc][2,6]naphthyridine 16.10 g (71 mmols) of (+/-)-cis-7a,8,9,10,ll,lla-hexahydro-10methyl-7H-indolo[1,7-bc][2,6]naphthyridine (for production see example 7) are dissolved in acetone. This solution is mixed with 28.80 g (71 mmols) of (-)-di-0,0'-p-toluyl-L-tartaric acid monohydrate (in acetone). The solution is concentrated, mixed with ether and the crystallised salt is filtered off and washed with acetone/methanol. The salt is recrystallised from methylene chloride/methanol until reaching a constant rotatory value. (The mother liquors are collected separately, see example 13). The base is released from the crystallisate having constant rotatory value by adding ice/conc. ammonia solution and methylene chloride. (-)-cis-7a,8,9,10,11,1la-hexahydro-10-methyl-7H-indolo[1,7-bc][2,6]naphthyridine is obtained with the melting point 99 - 100° and the rotatory value [a]20 = -50° (c = 0,25, CH2CI2)· D 100-7683 EXAMPLE 13: (+)-cis-7a,8,9>10,ll,lla-hexahydro-10-methyl-7Hindolo[1,7-bc][2,6jnaphthyridine Preparation is from (+/-)-cis-7a,8,9,10,11,lla-hexahydro-10methyl-7H-indolo[1,7-bc][2,6]naphthyridine (example 7) or from the collected mother liquors of (-)-enantiomer production, using (+)-di-0,0'-p-toluyl-D-tartaric acid. The process is analogous to the preparation of the (-)-enantiomer (example 12). After release of the base, (+)-cis-7a,8,9,10,11,lla-hexahydro-10-methyl-7Hindolo[l,7-bc][2,6]naphthyridine is obtained with the melting point 101 - 102° (ether/hexane) and with the rotatory value [a]20 = +49° (c = 0,25, CH2C12).
D 100-7683
Claims (11)
1. A 4,5,7a,8,9,10,ll,lla-octahydro-7H-indolo[l,7-bc][2,6]naphthyridine in free base or physiologically acceptable acid addition salt form.
2. A process for the production of a compound of formula I wherein R x is hydrogen, alkyl, alkylcarbonylalkyl, arylcarbonylalkyl, aralkyl or carbamoylalkyl optionally mono- or disubstituted by alkyl or aryl, R 2 is as defined for R t and may additionally be trifluoromethyl, alkoxy or alkylthio, R 3 , R 4 and R 5 independently are hydrogen, halogen, alkyl, alkoxy, alkylthio or trifluoromethyl and X and Y are each hydrogen or form together a single bond, or an acid addition salt thereof, which includes the step of - 20 100-7683 wherein R x , R 2 , R 3 , R 4 and R 5 are as defined above, replacing under reduction of the 7-oxo group the 10-ethoxycarbonyl group of a compound of formula II wherein R 2 , R 3 , R 4 and R 5 are as defined above, by the group Ri, or 100-7683 b) for the production of a compound of formula Ib wherein R x , R 2 , R 3 , R 4 and R5 are as defined above, oxidating a compound of formula Ia, and recovering the thus obtained compound of formula I in free base or acid addition salt form.
3. A compound of formula I in free base or acid addition salt form, whenever produced by a process of claim 2.
4. A compound of formula I in free base or acid addition salt form, as defined in claim 2.
5. A compound of claim 4 wherein R x is (C x _ 4 )alkyl and R 2 , R 3 , R 4 , R 5 , X and Y are each hydrogen.
6. A compound of claim 4 wherein R x is (C x _ 4 )alkyl, R 2 , R 3 , R 4 and R 5 are each hydrogen and X and Y together form a single bond. 100-7683
7. A compound of claim 4 which is the (+)-cis-4,5,7a,8,9,10,11,lla-octahydro-7H-10-methylindolo[l,7-bc][2,6]naphthyridine in free base or acid addition salt form.
8. A compound of any one of claims 3 to 7 in physiologically acceptable form for use as a pharmaceutical.
9. A compound of any one of claims 3 to 7 in physiologically acceptable form, for use in the prophylactic treatment of migraine or in the treatment of anxiety, depression, schizophrenia, autism, obsessive compulsive disorders, panic attacks, priapism, bulimia and situations of increased intracranial pressure.
10. A pharmaceutical composition comprising a compound according to any one of claims 3 to 7 in physiologically acceptable form, in association with a pharmaceutical carrier or diluent.
11. A process for the production of a comoound of formula I substantially as hereinbefore described by way of Example.
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DE19904027015 DE4027015A1 (en) | 1990-08-27 | 1990-08-27 | New octa:hydro-indolo-naphthyridine derivs. |
DE4027018A DE4027018A1 (en) | 1990-08-27 | 1990-08-27 | New octa:hydro-indolo-naphthyridine derivs. |
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HUP9601362A3 (en) * | 1996-05-21 | 1999-04-28 | Chinoin Gyogyszer Es Vegyeszet | Process for producing optically active compounds |
KR20030070590A (en) * | 2000-12-20 | 2003-08-30 | 브리스톨-마이어스스퀴브컴파니 | Substituted pyrroloquinolines and pyridoquinolines as serotonin agonists and antagonists |
BR0116347A (en) * | 2000-12-20 | 2004-07-06 | Bristol Myers Squibb Pharma Co | Substituted pyrazinoquinoxaline derivatives as serotonin receptor agonists and antagonists |
CA2460126A1 (en) | 2001-09-21 | 2003-03-27 | Pharmacia & Upjohn Company | Tricyclic indole derivatives as 5-ht ligands |
AU2003303210A1 (en) | 2002-12-19 | 2004-07-14 | Bristol-Myers Squibb Company | Substituted tricyclic gamma-carbolines as serotonin receptor agonists and antagonists |
WO2011044134A1 (en) | 2009-10-05 | 2011-04-14 | Albany Molecular Research, Inc. | Epiminocycloalkyl(b)indole derivatives as serotonin sub-type 6 (5-ht6) modulators and uses thereof |
EP2668191A4 (en) | 2011-01-19 | 2014-08-20 | Albany Molecular Res Inc | Benzofuro[3,2-c]pyridines and related analogs as serotonin sub-type 6 (5-ht6) modulators for the treatment of obesity, metabolic syndrome, cognition and schizophrenia |
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WO2022221415A2 (en) * | 2021-04-13 | 2022-10-20 | The Regents Of The University Of California | Tetracyclic compounds for treating brain disorders |
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- 1991-08-21 EP EP91810667A patent/EP0473550A1/en not_active Withdrawn
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CS262591A3 (en) | 1992-04-15 |
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