JPH04295473A - Carboxyimidazo derivative - Google Patents
Carboxyimidazo derivativeInfo
- Publication number
- JPH04295473A JPH04295473A JP41595690A JP41595690A JPH04295473A JP H04295473 A JPH04295473 A JP H04295473A JP 41595690 A JP41595690 A JP 41595690A JP 41595690 A JP41595690 A JP 41595690A JP H04295473 A JPH04295473 A JP H04295473A
- Authority
- JP
- Japan
- Prior art keywords
- cyano
- mmol
- reaction
- formula
- reduced pressure
- 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.)
- Granted
Links
- 150000001875 compounds Chemical class 0.000 abstract description 44
- -1 nitrile compound Chemical class 0.000 abstract description 25
- QENGPZGAWFQWCZ-UHFFFAOYSA-N Methylthiophene Natural products CC=1C=CSC=1 QENGPZGAWFQWCZ-UHFFFAOYSA-N 0.000 abstract description 20
- 125000003070 2-(2-chlorophenyl)ethyl group Chemical group [H]C1=C([H])C(Cl)=C(C([H])=C1[H])C([H])([H])C([H])([H])* 0.000 abstract description 12
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 abstract description 12
- XZMCDFZZKTWFGF-UHFFFAOYSA-N Cyanamide Chemical compound NC#N XZMCDFZZKTWFGF-UHFFFAOYSA-N 0.000 abstract description 11
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 abstract description 11
- CEIPQQODRKXDSB-UHFFFAOYSA-N ethyl 3-(6-hydroxynaphthalen-2-yl)-1H-indazole-5-carboximidate dihydrochloride Chemical compound Cl.Cl.C1=C(O)C=CC2=CC(C3=NNC4=CC=C(C=C43)C(=N)OCC)=CC=C21 CEIPQQODRKXDSB-UHFFFAOYSA-N 0.000 abstract description 10
- 239000007789 gas Substances 0.000 abstract description 9
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 abstract description 7
- 229910000041 hydrogen chloride Inorganic materials 0.000 abstract description 7
- 229910052801 chlorine Inorganic materials 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 239000008055 phosphate buffer solution Substances 0.000 abstract description 2
- 229910052739 hydrogen Inorganic materials 0.000 abstract 1
- 238000006243 chemical reaction Methods 0.000 description 94
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 93
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 78
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 54
- 239000000243 solution Substances 0.000 description 49
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 39
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 36
- 239000013078 crystal Substances 0.000 description 35
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 24
- 239000000203 mixture Substances 0.000 description 24
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 23
- HEDRZPFGACZZDS-MICDWDOJSA-N Trichloro(2H)methane Chemical compound [2H]C(Cl)(Cl)Cl HEDRZPFGACZZDS-MICDWDOJSA-N 0.000 description 20
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 18
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 17
- 238000010898 silica gel chromatography Methods 0.000 description 17
- 150000002463 imidates Chemical class 0.000 description 16
- 238000000862 absorption spectrum Methods 0.000 description 15
- 239000005457 ice water Substances 0.000 description 15
- 238000000655 nuclear magnetic resonance spectrum Methods 0.000 description 15
- WQDUMFSSJAZKTM-UHFFFAOYSA-N Sodium methoxide Chemical compound [Na+].[O-]C WQDUMFSSJAZKTM-UHFFFAOYSA-N 0.000 description 14
- 238000004519 manufacturing process Methods 0.000 description 14
- 238000004949 mass spectrometry Methods 0.000 description 14
- 239000012043 crude product Substances 0.000 description 13
- 238000002844 melting Methods 0.000 description 13
- 230000008018 melting Effects 0.000 description 13
- 238000000034 method Methods 0.000 description 13
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 12
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 12
- 238000001816 cooling Methods 0.000 description 11
- 239000002253 acid Substances 0.000 description 10
- 238000010828 elution Methods 0.000 description 10
- 229920006395 saturated elastomer Polymers 0.000 description 10
- 239000006188 syrup Substances 0.000 description 10
- 235000020357 syrup Nutrition 0.000 description 10
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 9
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 9
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 9
- BHHGXPLMPWCGHP-UHFFFAOYSA-N Phenethylamine Chemical compound NCCC1=CC=CC=C1 BHHGXPLMPWCGHP-UHFFFAOYSA-N 0.000 description 8
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 8
- XLYOFNOQVPJJNP-ZSJDYOACSA-N heavy water Substances [2H]O[2H] XLYOFNOQVPJJNP-ZSJDYOACSA-N 0.000 description 7
- 150000002825 nitriles Chemical class 0.000 description 7
- 239000000126 substance Substances 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- RZBOMSOHMOVUES-UHFFFAOYSA-N 2-(2-chlorophenyl)ethanamine Chemical compound NCCC1=CC=CC=C1Cl RZBOMSOHMOVUES-UHFFFAOYSA-N 0.000 description 6
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 6
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 6
- BNIILDVGGAEEIG-UHFFFAOYSA-L disodium hydrogen phosphate Chemical compound [Na+].[Na+].OP([O-])([O-])=O BNIILDVGGAEEIG-UHFFFAOYSA-L 0.000 description 6
- 229910000397 disodium phosphate Inorganic materials 0.000 description 6
- 235000019800 disodium phosphate Nutrition 0.000 description 6
- 239000000499 gel Substances 0.000 description 6
- 239000008363 phosphate buffer Substances 0.000 description 6
- 150000003839 salts Chemical class 0.000 description 6
- 230000000304 vasodilatating effect Effects 0.000 description 6
- VAYGXNSJCAHWJZ-UHFFFAOYSA-N dimethyl sulfate Chemical compound COS(=O)(=O)OC VAYGXNSJCAHWJZ-UHFFFAOYSA-N 0.000 description 5
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 5
- 235000019799 monosodium phosphate Nutrition 0.000 description 5
- AJPJDKMHJJGVTQ-UHFFFAOYSA-M sodium dihydrogen phosphate Chemical compound [Na+].OP(O)([O-])=O AJPJDKMHJJGVTQ-UHFFFAOYSA-M 0.000 description 5
- 229910000162 sodium phosphate Inorganic materials 0.000 description 5
- 239000002904 solvent Substances 0.000 description 5
- 125000000175 2-thienyl group Chemical group S1C([*])=C([H])C([H])=C1[H] 0.000 description 4
- GZXDOXSIKJNUEW-UHFFFAOYSA-N 5-methylthiophene Chemical compound CC1=C=C[CH]S1 GZXDOXSIKJNUEW-UHFFFAOYSA-N 0.000 description 4
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 4
- 150000001408 amides Chemical class 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- 239000011734 sodium Substances 0.000 description 4
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 4
- 235000017557 sodium bicarbonate Nutrition 0.000 description 4
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 4
- 238000005406 washing Methods 0.000 description 4
- IFLKEBSJTZGCJG-UHFFFAOYSA-N 3-methylthiophene-2-carboxylic acid Chemical compound CC=1C=CSC=1C(O)=O IFLKEBSJTZGCJG-UHFFFAOYSA-N 0.000 description 3
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 3
- 229920002472 Starch Polymers 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 3
- 239000000872 buffer Substances 0.000 description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- 239000003814 drug Substances 0.000 description 3
- 210000000056 organ Anatomy 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- 229910000029 sodium carbonate Inorganic materials 0.000 description 3
- 239000011780 sodium chloride Substances 0.000 description 3
- 239000008107 starch Substances 0.000 description 3
- 235000019698 starch Nutrition 0.000 description 3
- 229940124549 vasodilator Drugs 0.000 description 3
- 239000003071 vasodilator agent Substances 0.000 description 3
- GHOKWGTUZJEAQD-ZETCQYMHSA-N (D)-(+)-Pantothenic acid Chemical compound OCC(C)(C)[C@@H](O)C(=O)NCCC(O)=O GHOKWGTUZJEAQD-ZETCQYMHSA-N 0.000 description 2
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 2
- OWEGMIWEEQEYGQ-UHFFFAOYSA-N 100676-05-9 Natural products OC1C(O)C(O)C(CO)OC1OCC1C(O)C(O)C(O)C(OC2C(OC(O)C(O)C2O)CO)O1 OWEGMIWEEQEYGQ-UHFFFAOYSA-N 0.000 description 2
- BNHSMUNWOIBXLU-UHFFFAOYSA-N 2-aminoethyl nitrate;hydrochloride Chemical compound Cl.NCCO[N+]([O-])=O BNHSMUNWOIBXLU-UHFFFAOYSA-N 0.000 description 2
- HQNPKVBTBJUMTR-UHFFFAOYSA-N 5-methoxy-1-methylindole Chemical compound COC1=CC=C2N(C)C=CC2=C1 HQNPKVBTBJUMTR-UHFFFAOYSA-N 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [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
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- FBPFZTCFMRRESA-KVTDHHQDSA-N D-Mannitol Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@H](O)CO FBPFZTCFMRRESA-KVTDHHQDSA-N 0.000 description 2
- VZCYOOQTPOCHFL-OWOJBTEDSA-N Fumaric acid Chemical compound OC(=O)\C=C\C(O)=O VZCYOOQTPOCHFL-OWOJBTEDSA-N 0.000 description 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
- GUBGYTABKSRVRQ-QKKXKWKRSA-N Lactose Natural products OC[C@H]1O[C@@H](O[C@H]2[C@H](O)[C@@H](O)C(O)O[C@@H]2CO)[C@H](O)[C@@H](O)[C@H]1O GUBGYTABKSRVRQ-QKKXKWKRSA-N 0.000 description 2
- GUBGYTABKSRVRQ-PICCSMPSSA-N Maltose Natural products O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@@H]1O[C@@H]1[C@@H](CO)OC(O)[C@H](O)[C@H]1O GUBGYTABKSRVRQ-PICCSMPSSA-N 0.000 description 2
- 229930195725 Mannitol Natural products 0.000 description 2
- AFVFQIVMOAPDHO-UHFFFAOYSA-N Methanesulfonic acid Chemical compound CS(O)(=O)=O AFVFQIVMOAPDHO-UHFFFAOYSA-N 0.000 description 2
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 241000700159 Rattus Species 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- KEAYESYHFKHZAL-UHFFFAOYSA-N Sodium Chemical compound [Na] KEAYESYHFKHZAL-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- DKGAVHZHDRPRBM-UHFFFAOYSA-N Tert-Butanol Chemical compound CC(C)(C)O DKGAVHZHDRPRBM-UHFFFAOYSA-N 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 2
- KZTZJUQNSSLNAG-UHFFFAOYSA-N aminoethyl nitrate Chemical compound NCCO[N+]([O-])=O KZTZJUQNSSLNAG-UHFFFAOYSA-N 0.000 description 2
- 235000011114 ammonium hydroxide Nutrition 0.000 description 2
- 210000000709 aorta Anatomy 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- KBPLFHHGFOOTCA-UHFFFAOYSA-N caprylic alcohol Natural products CCCCCCCCO KBPLFHHGFOOTCA-UHFFFAOYSA-N 0.000 description 2
- 239000002775 capsule Substances 0.000 description 2
- 238000004440 column chromatography Methods 0.000 description 2
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 description 2
- 239000007884 disintegrant Substances 0.000 description 2
- 238000004821 distillation Methods 0.000 description 2
- RIFGWPKJUGCATF-UHFFFAOYSA-N ethyl chloroformate Chemical compound CCOC(Cl)=O RIFGWPKJUGCATF-UHFFFAOYSA-N 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- IPCSVZSSVZVIGE-UHFFFAOYSA-N hexadecanoic acid Chemical compound CCCCCCCCCCCCCCCC(O)=O IPCSVZSSVZVIGE-UHFFFAOYSA-N 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- ZXEKIIBDNHEJCQ-UHFFFAOYSA-N isobutanol Chemical compound CC(C)CO ZXEKIIBDNHEJCQ-UHFFFAOYSA-N 0.000 description 2
- 239000008101 lactose Substances 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- HQKMJHAJHXVSDF-UHFFFAOYSA-L magnesium stearate Chemical compound [Mg+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O HQKMJHAJHXVSDF-UHFFFAOYSA-L 0.000 description 2
- 239000000594 mannitol Substances 0.000 description 2
- 235000010355 mannitol Nutrition 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 239000000546 pharmaceutical excipient Substances 0.000 description 2
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 239000012312 sodium hydride Substances 0.000 description 2
- 229910000104 sodium hydride Inorganic materials 0.000 description 2
- 239000003381 stabilizer Substances 0.000 description 2
- 239000003826 tablet Substances 0.000 description 2
- FYSNRJHAOHDILO-UHFFFAOYSA-N thionyl chloride Chemical compound ClS(Cl)=O FYSNRJHAOHDILO-UHFFFAOYSA-N 0.000 description 2
- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 description 2
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 2
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 description 1
- GYSCBCSGKXNZRH-UHFFFAOYSA-N 1-benzothiophene-2-carboxamide Chemical compound C1=CC=C2SC(C(=O)N)=CC2=C1 GYSCBCSGKXNZRH-UHFFFAOYSA-N 0.000 description 1
- JZWDLUGQTRKBNA-UHFFFAOYSA-N 1-benzothiophene-2-carboximidamide Chemical compound C1=CC=C2SC(C(=N)N)=CC2=C1 JZWDLUGQTRKBNA-UHFFFAOYSA-N 0.000 description 1
- LDMOEFOXLIZJOW-UHFFFAOYSA-N 1-dodecanesulfonic acid Chemical compound CCCCCCCCCCCCS(O)(=O)=O LDMOEFOXLIZJOW-UHFFFAOYSA-N 0.000 description 1
- LBLYYCQCTBFVLH-UHFFFAOYSA-N 2-Methylbenzenesulfonic acid Chemical compound CC1=CC=CC=C1S(O)(=O)=O LBLYYCQCTBFVLH-UHFFFAOYSA-N 0.000 description 1
- KKMZQOIASVGJQE-ONEGZZNKSA-N 2-Thiopheneacrylic acid Chemical compound OC(=O)\C=C\C1=CC=CS1 KKMZQOIASVGJQE-ONEGZZNKSA-N 0.000 description 1
- RQXUXVWKNZMBAA-UHFFFAOYSA-N 2-hydroxyimino-2-pyridin-3-ylacetonitrile Chemical compound ON=C(C#N)C1=CC=CN=C1 RQXUXVWKNZMBAA-UHFFFAOYSA-N 0.000 description 1
- OIPHWUPMXHQWLR-UHFFFAOYSA-N 2-pyridin-3-ylacetonitrile Chemical compound N#CCC1=CC=CN=C1 OIPHWUPMXHQWLR-UHFFFAOYSA-N 0.000 description 1
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 description 1
- YNSCKPCDFIDINW-UHFFFAOYSA-N 3-[[2-[[1-[2-(dimethylamino)acetyl]-6-methoxy-4,4-dimethyl-2,3-dihydroquinolin-7-yl]amino]-7h-pyrrolo[2,3-d]pyrimidin-4-yl]amino]thiophene-2-carboxamide Chemical compound COC1=CC(C(CCN2C(=O)CN(C)C)(C)C)=C2C=C1NC(N=C1NC=CC1=1)=NC=1NC=1C=CSC=1C(N)=O YNSCKPCDFIDINW-UHFFFAOYSA-N 0.000 description 1
- ALZHYEITUZEZMT-UHFFFAOYSA-N 3-methylthiophene-2-carbonitrile Chemical compound CC=1C=CSC=1C#N ALZHYEITUZEZMT-UHFFFAOYSA-N 0.000 description 1
- QZDTWJRYMXQXBX-UHFFFAOYSA-N 3-methylthiophene-2-carboxamide Chemical compound CC=1C=CSC=1C(N)=O QZDTWJRYMXQXBX-UHFFFAOYSA-N 0.000 description 1
- QCQCHGYLTSGIGX-GHXANHINSA-N 4-[[(3ar,5ar,5br,7ar,9s,11ar,11br,13as)-5a,5b,8,8,11a-pentamethyl-3a-[(5-methylpyridine-3-carbonyl)amino]-2-oxo-1-propan-2-yl-4,5,6,7,7a,9,10,11,11b,12,13,13a-dodecahydro-3h-cyclopenta[a]chrysen-9-yl]oxy]-2,2-dimethyl-4-oxobutanoic acid Chemical compound N([C@@]12CC[C@@]3(C)[C@]4(C)CC[C@H]5C(C)(C)[C@@H](OC(=O)CC(C)(C)C(O)=O)CC[C@]5(C)[C@H]4CC[C@@H]3C1=C(C(C2)=O)C(C)C)C(=O)C1=CN=CC(C)=C1 QCQCHGYLTSGIGX-GHXANHINSA-N 0.000 description 1
- OIPMMVPDCMQPEK-UHFFFAOYSA-N 5-methoxy-1-methylindole-3-carbonitrile Chemical compound COC1=CC=C2N(C)C=C(C#N)C2=C1 OIPMMVPDCMQPEK-UHFFFAOYSA-N 0.000 description 1
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- VCNGNQLPFHVODE-UHFFFAOYSA-N 5-methylthiophene-2-carboxylic acid Chemical compound CC1=CC=C(C(O)=O)S1 VCNGNQLPFHVODE-UHFFFAOYSA-N 0.000 description 1
- KHQQZPGTELLAOG-UHFFFAOYSA-N 6-chloro-2h-chromene-3-carbonitrile Chemical compound O1CC(C#N)=CC2=CC(Cl)=CC=C21 KHQQZPGTELLAOG-UHFFFAOYSA-N 0.000 description 1
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 description 1
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- GUBGYTABKSRVRQ-XLOQQCSPSA-N Alpha-Lactose Chemical compound O[C@@H]1[C@@H](O)[C@@H](O)[C@@H](CO)O[C@H]1O[C@@H]1[C@@H](CO)O[C@H](O)[C@H](O)[C@H]1O GUBGYTABKSRVRQ-XLOQQCSPSA-N 0.000 description 1
- WACNZWFQPWHWSM-UHFFFAOYSA-N C(C)O.N(=O)OCC Chemical compound C(C)O.N(=O)OCC WACNZWFQPWHWSM-UHFFFAOYSA-N 0.000 description 1
- GHOKWGTUZJEAQD-UHFFFAOYSA-N Chick antidermatitis factor Natural products OCC(C)(C)C(O)C(=O)NCCC(O)=O GHOKWGTUZJEAQD-UHFFFAOYSA-N 0.000 description 1
- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 description 1
- 239000001856 Ethyl cellulose Substances 0.000 description 1
- ZZSNKZQZMQGXPY-UHFFFAOYSA-N Ethyl cellulose Chemical compound CCOCC1OC(OC)C(OCC)C(OCC)C1OC1C(O)C(O)C(OC)C(CO)O1 ZZSNKZQZMQGXPY-UHFFFAOYSA-N 0.000 description 1
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 1
- 206010015719 Exsanguination Diseases 0.000 description 1
- WHUUTDBJXJRKMK-UHFFFAOYSA-N Glutamic acid Natural products OC(=O)C(N)CCC(O)=O WHUUTDBJXJRKMK-UHFFFAOYSA-N 0.000 description 1
- 229920002153 Hydroxypropyl cellulose Polymers 0.000 description 1
- WHUUTDBJXJRKMK-VKHMYHEASA-N L-glutamic acid Chemical compound OC(=O)[C@@H](N)CCC(O)=O WHUUTDBJXJRKMK-VKHMYHEASA-N 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 239000005642 Oleic acid Substances 0.000 description 1
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 description 1
- 235000021314 Palmitic acid Nutrition 0.000 description 1
- 241001315609 Pittosporum crassifolium Species 0.000 description 1
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 1
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 1
- 241000700157 Rattus norvegicus Species 0.000 description 1
- KDYFGRWQOYBRFD-UHFFFAOYSA-N Succinic acid Natural products OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 description 1
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 description 1
- YTPLMLYBLZKORZ-UHFFFAOYSA-N Thiophene Chemical compound C=1C=CSC=1 YTPLMLYBLZKORZ-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 150000001299 aldehydes Chemical class 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 150000001350 alkyl halides Chemical class 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 235000019270 ammonium chloride Nutrition 0.000 description 1
- 239000002220 antihypertensive agent Substances 0.000 description 1
- 229940030600 antihypertensive agent Drugs 0.000 description 1
- 210000002376 aorta thoracic Anatomy 0.000 description 1
- KCXMKQUNVWSEMD-UHFFFAOYSA-N benzyl chloride Chemical compound ClCC1=CC=CC=C1 KCXMKQUNVWSEMD-UHFFFAOYSA-N 0.000 description 1
- 229940073608 benzyl chloride Drugs 0.000 description 1
- GUBGYTABKSRVRQ-QUYVBRFLSA-N beta-maltose Chemical compound OC[C@H]1O[C@H](O[C@H]2[C@H](O)[C@@H](O)[C@H](O)O[C@@H]2CO)[C@H](O)[C@@H](O)[C@@H]1O GUBGYTABKSRVRQ-QUYVBRFLSA-N 0.000 description 1
- 230000037396 body weight Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000007853 buffer solution Substances 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- KDYFGRWQOYBRFD-NUQCWPJISA-N butanedioic acid Chemical compound O[14C](=O)CC[14C](O)=O KDYFGRWQOYBRFD-NUQCWPJISA-N 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- FUFJGUQYACFECW-UHFFFAOYSA-L calcium hydrogenphosphate Chemical compound [Ca+2].OP([O-])([O-])=O FUFJGUQYACFECW-UHFFFAOYSA-L 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 150000001735 carboxylic acids Chemical class 0.000 description 1
- 229940084030 carboxymethylcellulose calcium Drugs 0.000 description 1
- 239000004359 castor oil Substances 0.000 description 1
- 235000019438 castor oil Nutrition 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 125000001309 chloro group Chemical group Cl* 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 125000006165 cyclic alkyl group Chemical group 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- HPXRVTGHNJAIIH-UHFFFAOYSA-N cyclohexanol Chemical compound OC1CCCCC1 HPXRVTGHNJAIIH-UHFFFAOYSA-N 0.000 description 1
- XCIXKGXIYUWCLL-UHFFFAOYSA-N cyclopentanol Chemical compound OC1CCCC1 XCIXKGXIYUWCLL-UHFFFAOYSA-N 0.000 description 1
- 235000019700 dicalcium phosphate Nutrition 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 239000002552 dosage form Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 229920001249 ethyl cellulose Polymers 0.000 description 1
- 235000019325 ethyl cellulose Nutrition 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000001530 fumaric acid Substances 0.000 description 1
- 235000011087 fumaric acid Nutrition 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 239000004220 glutamic acid Substances 0.000 description 1
- 235000013922 glutamic acid Nutrition 0.000 description 1
- ZEMPKEQAKRGZGQ-XOQCFJPHSA-N glycerol triricinoleate Natural products CCCCCC[C@@H](O)CC=CCCCCCCCC(=O)OC[C@@H](COC(=O)CCCCCCCC=CC[C@@H](O)CCCCCC)OC(=O)CCCCCCCC=CC[C@H](O)CCCCCC ZEMPKEQAKRGZGQ-XOQCFJPHSA-N 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- FUKUFMFMCZIRNT-UHFFFAOYSA-N hydron;methanol;chloride Chemical compound Cl.OC FUKUFMFMCZIRNT-UHFFFAOYSA-N 0.000 description 1
- 239000001863 hydroxypropyl cellulose Substances 0.000 description 1
- 235000010977 hydroxypropyl cellulose Nutrition 0.000 description 1
- 230000001077 hypotensive effect Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- INQOMBQAUSQDDS-UHFFFAOYSA-N iodomethane Chemical compound IC INQOMBQAUSQDDS-UHFFFAOYSA-N 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 229960003511 macrogol Drugs 0.000 description 1
- 235000019359 magnesium stearate Nutrition 0.000 description 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
- 239000011976 maleic acid Substances 0.000 description 1
- 229960002160 maltose Drugs 0.000 description 1
- 229940098779 methanesulfonic acid Drugs 0.000 description 1
- 150000007522 mineralic acids Chemical class 0.000 description 1
- TVMXDCGIABBOFY-UHFFFAOYSA-N n-Octanol Natural products CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 1
- WQEPLUUGTLDZJY-UHFFFAOYSA-N n-Pentadecanoic acid Natural products CCCCCCCCCCCCCCC(O)=O WQEPLUUGTLDZJY-UHFFFAOYSA-N 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 125000004433 nitrogen atom Chemical group N* 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 239000011713 pantothenic acid Substances 0.000 description 1
- 229940055726 pantothenic acid Drugs 0.000 description 1
- 235000019161 pantothenic acid Nutrition 0.000 description 1
- 230000001575 pathological effect Effects 0.000 description 1
- 230000000144 pharmacologic effect Effects 0.000 description 1
- 230000001766 physiological effect Effects 0.000 description 1
- 229920000136 polysorbate Polymers 0.000 description 1
- 229940068965 polysorbates Drugs 0.000 description 1
- 239000001267 polyvinylpyrrolidone Substances 0.000 description 1
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 description 1
- 229920000036 polyvinylpyrrolidone Polymers 0.000 description 1
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical class [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 235000019260 propionic acid Nutrition 0.000 description 1
- IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical compound O([C@H]1CC[C@H]2[C@H]3[C@@H]([C@]4(C=CC(=O)C=C4CC3)C)CC[C@@]21C)C1=CCCC1 IUVKMZGDUIUOCP-BTNSXGMBSA-N 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000006190 sub-lingual tablet Substances 0.000 description 1
- 229940098466 sublingual tablet Drugs 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- 239000000829 suppository Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 235000002906 tartaric acid Nutrition 0.000 description 1
- 239000011975 tartaric acid Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- XJDNKRIXUMDJCW-UHFFFAOYSA-J titanium tetrachloride Chemical compound Cl[Ti](Cl)(Cl)Cl XJDNKRIXUMDJCW-UHFFFAOYSA-J 0.000 description 1
- 230000024883 vasodilation Effects 0.000 description 1
- 230000002883 vasorelaxation effect Effects 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Landscapes
- Heterocyclic Compounds Containing Sulfur Atoms (AREA)
- Pyridine Compounds (AREA)
- Pyrane Compounds (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Indole Compounds (AREA)
Abstract
Description
【0001】〔発明の背景〕[Background of the invention]
【産業上の利用分野】本発明は、血管拡張作用を有する
新規なカルボキシイミダミド誘導体に関するものである
。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a novel carboxyimidamide derivative having a vasodilatory effect.
【0002】0002
【従来の技術】本発明に関連したカルボキシイミダミド
化合物としては、血管拡張作用、降圧作用等を有するN
‐シアノ‐N′‐置換カルボキシイミダミド化合物(ヨ
ーロッパ特許EP0388528A参照)が知られてい
る。[Prior Art] Carboximidamide compounds related to the present invention include N, which has vasodilating and hypotensive effects, etc.
-Cyano-N'-substituted carboxyimidamide compounds (see European patent EP 0 388 528A) are known.
【0003】〔発明の概要〕[Summary of the invention]
【発明が解決しようとする課題】しかしながら、患者、
病態の多様性等を考慮した時に、新規な血管拡張剤、降
圧剤に対しては不断の希求があるといえよう。[Problem to be solved by the invention] However, patients,
Considering the diversity of pathological conditions, there is a constant desire for new vasodilators and antihypertensive agents.
【0004】本発明は、血管拡張作用を有する新規な化
合物を提供することを目的とするものである。[0004] An object of the present invention is to provide a novel compound having a vasodilatory effect.
【0005】[0005]
【課題を解決するための手段】本発明は、N‐シアノ‐
N′‐カルボキシイミダミド誘導体が血管拡張作用を有
することを見出すことにより上記目的を達成した。すな
わち、本発明によるカルボキシイミダミド誘導体は、次
式(I)で示されるものである。[Means for Solving the Problems] The present invention provides N-cyano-
The above object was achieved by discovering that N'-carboximidamide derivatives have a vasodilatory effect. That is, the carboxyimidamide derivative according to the present invention is represented by the following formula (I).
【化7】 〔式中、置換基は下記のように定義されるものである。 Xは[Chemical 7] [In the formula, the substituents are defined as below. X is
【化8】[Chemical formula 8]
【化9】 もしくはその酸付加体、[Chemical formula 9] or its acid adduct,
【化10】 または[Chemical formula 10] or
【化11】 もしくはその酸付加体を表わし、Yは[Chemical formula 11] or its acid adduct, and Y is
【化12】
(ここでRは塩素原子または水素原子を表わす)または
−(CH2)2ONO2を表わす。〕embedded image (where R represents a chlorine atom or a hydrogen atom) or represents -(CH2)2ONO2. ]
【0006】〔発明の具体的説明〕
〔I〕 N‐シアノ‐N′‐カルボキシイミダミド誘
導体
本発明によるカルボキシイミダミド誘導体は、式(I)
で示されるものであることは前記した通りであり、構造
的にはN‐シアノ‐N′‐カルボキシイミダミド誘導体
である。式(I)中において、Xが[Detailed Description of the Invention] [I] N-cyano-N'-carboximidamide derivative The carboxyimidamide derivative according to the present invention has the formula (I)
As mentioned above, it is an N-cyano-N'-carboximidamide derivative. In formula (I), X is
【化13】 または[Chemical formula 13] or
【化14】
である場合は、(I)式で示される化合物は酸付加塩を
形成しうる。すなわち、本発明によるカルボキシイミダ
ミド誘導体は、上記式(I)中Xで示される基が塩基性
の窒素原子を有するembedded image If so, the compound of formula (I) may form an acid addition salt. That is, in the carboxyimidamide derivative according to the present invention, the group represented by X in the above formula (I) has a basic nitrogen atom.
【化15】 または[Chemical formula 15] or
【化16】
である場合は、その酸付加塩が存在する。酸付加塩を形
成すべき酸としては、例えば、塩酸、硫酸、硝酸、リン
酸などの無機酸あるいは酢酸、プロピオン酸、マレイン
酸、オレイン酸、パルミチン酸、クエン酸、コハク酸、
酒石酸、フマル酸、グルタミン酸、パントテン酸、ラウ
リルスルホン酸、メタンスルホン酸、トルエンスルホン
酸などの有機酸をあげることができる。なお、酸付加塩
を医薬として使用する場合には、酸は薬学上許容される
ものでなければならない事は言うまでもない。[Image Omitted] If so, then its acid addition salt exists. Examples of acids to form acid addition salts include inorganic acids such as hydrochloric acid, sulfuric acid, nitric acid, and phosphoric acid, or acetic acid, propionic acid, maleic acid, oleic acid, palmitic acid, citric acid, succinic acid,
Examples include organic acids such as tartaric acid, fumaric acid, glutamic acid, pantothenic acid, laurylsulfonic acid, methanesulfonic acid, and toluenesulfonic acid. It goes without saying that when the acid addition salt is used as a medicine, the acid must be pharmaceutically acceptable.
【0007】本発明による式(I)で示されるN‐シア
ノ‐N′‐カルボキシイミダミド誘導体の代表例として
は下記に示すものがあげられる。
化合物No. 化 合
物 名 (1) N‐シアノ‐N′‐〔
2‐(2‐クロロフェニル)エチル〕‐2‐
(3‐メチルチオフェン)カルボキシイ
ミダミド (2) N‐シアノ‐N′‐(2‐
フェニルエチル)‐2‐(3‐メチルチ
オフェン)カルボキシイミダミド (3)
N‐シアノ‐N′‐(2‐ニトロキシエチル)
‐2‐(3‐メチル チオフェ
ン)カルボキシイミダミド (4) N‐シア
ノ‐N′‐〔2‐(2‐クロロフェニル)エチル〕‐2
‐ (5‐メチルチオフェン)
カルボキシイミダミド (5) N‐シアノ‐
N′‐(2‐フェニルエチル)‐2‐(5‐メチルチ
オフェン)カルボキシイミダミ
ド (6) N‐シアノ‐N′‐(2‐ニトロ
キシエチル)‐2‐(5‐メチル
チオフェン)カルボキシイミダミド (7)
N‐シアノ‐N′‐〔2‐(2‐クロロフェニル)
エチル〕‐3‐ (6‐クロロ
‐2H‐1‐ベンゾピラン)カルボキシイミダミド
(8) N‐シアノ‐N′‐〔2‐(2‐クロロ
フェニル)エチル〕‐3‐ (
5‐メトキシ‐1‐メチルインドール)カルボキシイミ
ダミド (9) N‐シアノ‐N′‐(2‐フ
ェニルエチル)‐3‐(5‐メトキシ
‐1‐メチルインドール)カルボキシイミダミ
ド (10) N‐〔2‐(2‐クロロフェニ
ル)エチル〕‐N′‐シアノ‐3‐
(2‐チエニル)プロペニルアミジン (11
) N‐(2‐フェニルエチル)‐N′‐シアノ
‐3‐(2‐チエニル) プロ
ペニルアミジン (12) N‐(2‐ニトロ
キシエチル)‐N′‐シアノ‐3‐(2‐チエニ
ル)プロペニルアミジン (13
) N‐シアノ‐N′‐(2‐ニトロキシエチル
)‐2‐ベンゾチオフ ェンカ
ルボキシイミダミド (14) N‐シアノ‐
N′‐〔2‐(2‐クロロフェニル)エチル〕‐3‐
ピリジル‐2‐ベンジルオキシ
イミノアセトアミジン (15) N‐シアノ
‐N′‐(2‐ニトロキシエチル)‐3‐ピリジル‐2
‐ベンジルオキシイミノアセ
トアミジン これらの化合物の構造は、下記の第1表
に示される通りである。Representative examples of the N-cyano-N'-carboximidamide derivatives represented by formula (I) according to the present invention include those shown below. Compound no. Compound name (1) N-cyano-N'-[
2-(2-chlorophenyl)ethyl]-2-
(3-methylthiophene)carboximidamide (2) N-cyano-N'-(2-
phenylethyl)-2-(3-methylthi
Offene) Carboximidamide (3)
N-cyano-N'-(2-nitroxyethyl)
-2-(3-methylthiophene)carboximidamide (4) N-cyano-N'-[2-(2-chlorophenyl)ethyl]-2
- (5-methylthiophene)
Carboximidamide (5) N-cyano-
N'-(2-phenylethyl)-2-(5-methylthi
(6) N-cyano-N'-(2-nitroxyethyl)-2-(5-methyl
Thiophene) Carboximidamide (7)
N-cyano-N'-[2-(2-chlorophenyl)
ethyl]-3-(6-chloro-2H-1-benzopyran)carboximidamide
(8) N-cyano-N'-[2-(2-chlorophenyl)ethyl]-3- (
5-methoxy-1-methylindole)carboximidamide (9) N-cyano-N'-(2-phenylethyl)-3-(5-methoxy
-1-methylindole)carboximidamide (10) N-[2-(2-chlorophenyl)ethyl]-N'-cyano-3-
(2-thienyl)propenylamidine (11
) N-(2-phenylethyl)-N'-cyano-3-(2-thienyl) propenylamidine (12) N-(2-nitroxyethyl)-N'-cyano-3-(2-thienyl)
) propenylamidine (13
) N-cyano-N'-(2-nitroxyethyl)-2-benzothiophenecarboximidamide (14) N-cyano-
N′-[2-(2-chlorophenyl)ethyl]-3-
Pyridyl-2-benzyloxyiminoacetamidine (15) N-cyano-N'-(2-nitroxyethyl)-3-pyridyl-2
-Benzyloxyiminoacetamidine The structures of these compounds are shown in Table 1 below.
【表1】[Table 1]
【表2】[Table 2]
【表3】[Table 3]
【0008】〔II〕 N‐シアノ‐N′‐カルボキ
シイミダミド誘導体の製造
本発明によるN‐シアノ‐N′‐カルボキシイミダミド
誘導体は、合目的的な任意の方法によって製造すること
ができるが、例えば以下に述べる方法によって製造する
ことができる。
方法
本発明化合物は、後記の反応式Aに示すように式(
II)に示されるニトリルまたは式(III)に示され
るアミドを式(V)のシアノイミデートへと導き、これ
にアミン化合物を反応させることにより得ることができ
る。上記のニトリルまたはアミドは、アルキル、ハロゲ
ン化アルキル、アルデヒド、カルボン酸等、合目的的な
任意の原料から有機合成化学の分野で公知の方法により
製造することができる(参考文献「オーガニック・ファ
ンクショナル・グループ・プレパレイションズ(Org
anic Functional Group Pre
parations)」1、S.R.Sandler
and W.Karo編、Academic Pres
s、1968年)。
反応式A:[II] Production of N-cyano-N'-carboximidamide derivative The N-cyano-N'-carboximidamide derivative according to the present invention can be produced by any convenient method. For example, it can be manufactured by the method described below. Method The compound of the present invention is prepared by the formula (
It can be obtained by introducing the nitrile represented by II) or the amide represented by formula (III) into cyanoimidate of formula (V), and reacting this with an amine compound. The above-mentioned nitriles or amides can be produced from any purposeful raw materials such as alkyls, alkyl halides, aldehydes, carboxylic acids, etc. by methods known in the field of organic synthetic chemistry (Reference: "Organic Functional Chemistry").・Group Preparations (Org
anic Functional Group Pre
1, S. R. Sandler
and W. Edited by Karo, Academic Press
s, 1968). Reaction formula A:
【化17】
〔式中、R′とR″は炭素数1〜8の鎖状または環式の
アルキル基を表わす。R′とR″は同じであってもよい
し、異なってもよい。X、Yは前記した通りである。〕
以下は、この製造法を反応式に従って更に詳しく説明す
るものである。
(イ) 化合物(II)→化合物(IV)式(II)
で示されるニトリルはR′OH(アルコール)中、塩化
水素ガスまたはR″ONa(ナトリウムアルコキシド)
を作用させることにより、式(IV)に示されるイミデ
ートに導かれる。塩化水素ガスを作用させる場合、使用
し得るアルコール(R′OH)としては、鎖状および環
式アルコールのいずれでもよく、例えばメタノール、エ
タノール、n‐プロパノール、イソプロパノール、n‐
ブタノール、イソブタノール、t‐ブタノール、シクロ
ペンタノール、シクロヘキサノール、n‐オクタノール
等があげられる。アルコールの使用量は、式(II)に
示されるニトリル1モルに対して少なくとも30モル以
上、特に30〜300モル、が好ましい。塩化水素ガス
の量は、ニトリル1モルに対して少なくとも20モル以
上、特に20〜200モルが好ましい。反応温度は−1
0〜10℃が好ましく、−5〜5℃がより好ましい。上
記のような反応条件で、この反応は通常15〜95時間
で終了することができる。得られたイミデートは塩酸塩
であり、アルカリで処理することによりフリー体とする
ことができる。一方、R″ONaを作用させる場合、使
用し得るアルコールの種類は、塩化水素ガスを作用させ
た場合と同じであり、その使用量は、ニトリル1モルに
対して好ましくは5〜500モル、より好ましくは10
〜50モル、の範囲である。R″ONaの量は触媒量で
あり、ニトリル1モルに対して好ましくは0.01〜0
.5モルの範囲内、より好ましくは0.02〜0.2モ
ルである。反応温度は0〜50℃の範囲内が好ましく、
0℃〜室温がより好ましい。上記のような反応条件で、
この反応は通常1〜24時間で終了することができる。
得られた式(IV)で示されるイミデートは、単離精製
することなく次の反応に供することができるが、単離精
製する場合の方法としては、蒸留法、シリカゲルを担体
としたカラムクロマトグラフィーなど有機合成化学の分
野で公知の精製法を用いることができる。
(ロ) 化合物(III)→化合物(IV)式(II
I)で示されるアミドは、硫酸ジメチルを作用させるこ
とにより式(IV)に示されるイミデートに導かれる。
この反応に用いられる硫酸ジメチルの量は、式(III
)に示されるアミド1モルに対して少なくとも3モル以
上、特に3〜6モルが好ましい。反応温度は50〜15
0℃が好ましく、100〜105℃がより好ましい。上
記のような反応条件で、この反応は通常2〜3時間で終
了することができる。得られたイミデートを単離精製す
る方法は、(イ)で述べたものと同様である。
(ハ) 化合物(IV)→化合物(V)式(IV)で
示されるイミデートは、緩衝液中、好ましくはリン酸緩
衝液中でシアナミド(NH2CN)を作用させることに
より、式(V)に示されるシアノイミデートへと変換さ
れる。シアナミドの使用量は、イミデート1モルに対し
て少なくとも1モル以上、特に2〜3モルが好ましい。
またこの反応は上記したように緩衝液(好ましくはリン
酸緩衝液)中で行なわれるが、溶媒の共存下でも行なう
ことができる。使用し得る溶媒としては、例えばアセト
ニリトル、ジクロロメタン、クロロホルム、ジオキサン
等の有機溶媒があげられる。そのpH範囲は好ましくは
5.0〜6.5の範囲内、より好ましくは5.2〜6.
2の範囲内が有利であり、また緩衝液の濃度は好ましく
は0.1〜4Mの範囲内、特に0.2〜3Mが適当であ
る。また充分な緩衝能を維持するために緩衝液の構成成
分、すなわちリン酸緩衝液の場合であれば、例えばNa
2HPO4およびNaH2PO4は、イミデート1モル
に対していずれも少なくとも1モル以上、好ましくは1
〜4モル、使用することが望ましい。反応温度は0〜5
0℃の範囲内が好ましく、室温付近が特に好ましい。こ
のような反応条件で式(IV)に示されるイミデートは
、通常6〜70時間で式(V)に示されるシアノイミデ
ートへと変換される。このようにして得られた式(V)
に示されるシアノイミデートを必要に応じて単離精製す
る場合の方法としては、結晶化法、蒸留法、シリカゲル
を担体としたカラムクロマトグラフィーなど有機合成化
学の分野で公知の精製法を用いることができる。
(ニ) 化合物(V)→化合物(I)式(V)に示さ
れるシアノイミデートは、アミン化合物と反応させる事
により式(I)に示されるN‐シアノ‐N′‐カルボキ
シイミダミド誘導体を製造することができる。アミン化
合物の使用量は、式(V)に示されるシアノイミデート
1モルに対して少なくとも1モル以上、より好ましくは
1〜2.5モルの範囲内が適当である。
またこの反応は溶媒中で行なわれるのが普通であり、使
用し得る溶媒としては、例えばメタノール、エタノール
等のアルコール、ジクロロメタン、クロロホルム、四塩
化炭素、ジオキサン、テトラヒドロフラン等の有機溶媒
、または水があげられる。反応温度は0℃〜溶媒の沸点
の範囲内で、特に室温付近が好ましい。上記のような反
応条件では、この反応は通常5分間〜6日間で終了でき
る。上記反応で得られた反応混合物より式(I)に示さ
れる化合物を単離精製する方法は、式(V)に示される
シアノイミデートの単離精製の項で述べたものと同様で
ある。本発明による式(I)に示される化合物の中で、
塩基性窒素を有する化合物については、それ自体公知の
方法に従ってその酸付加塩とすることができる。付加塩
とすることができる酸は前記した通りである。
〔III 〕化合物の用途
本発明による化合物は、後記実験例に示されているよう
に血管拡張作用を有しており、血管拡張剤として有用で
ある。本発明による化合物を血管拡張剤として投与する
場合は、経口投与または非経口投与(筋肉内、皮下、静
脈内、経皮吸収)または舌下錠剤、座剤等にて投与する
ことができる。本発明化合物の投与量および投与方法は
、患者の状況、例えば体重、性別、感受性、投与時間、
併用する薬剤、患者またはその病気の程度に応じて変化
することは言うまでもなく、また一定条件のもとにおけ
る適量と投与回数は、上記指針を基にして専門医の適量
決定試験によって決定されなければならないが、通常、
成人1日当りの投与量は約0.1〜200mg、好まし
くは0.5〜100mg程度である。本発明化合物を医
薬として経口投与する場合は、錠剤、顆粒剤、散剤、カ
プセル剤等の形態で投与され、非経口投与される場合は
、注射剤、懸濁剤等の形態で投与される。これらの製剤
を製造するには、賦形剤、結合剤、崩壊剤、滑沢剤、安
定剤等の添加剤を添加することができる。賦形剤として
は、例えば乳糖、デンプン、結晶セルロース、マンニト
ール、マルトース、リン酸水素カルシウム、軽質無水ケ
イ酸、炭酸カルシウム等が、結合剤としては、例えばデ
ンプン、ポリビニルピロリドン、ヒドロキシプロピルセ
ルロース、エチルセルロース、カルボキシメチルセルロ
ース、アラビアゴム等が、崩壊剤としては、例えばデン
プン、カルボキシメチルセルロースカルシウム等が、滑
沢剤としては、例えばステアリン酸マグネシウム、タル
ク、硬化油等が、安定剤としては、例えば乳糖、マンニ
トール、マルトース、ポリソルベート類、マクロゴール
類、ポリオキシエチレン硬化ヒマシ油等、これらの目的
のために通常使用されるものがあげらる。これらの成分
を用いて通常の方法により錠剤、顆粒剤、カプセル剤、
注射剤等の剤型に製造することができる。embedded image [In the formula, R' and R'' represent a chain or cyclic alkyl group having 1 to 8 carbon atoms. R' and R'' may be the same or different. X and Y are as described above. ]
This production method will be explained in more detail below according to the reaction formula. (a) Compound (II) → Compound (IV) Formula (II)
The nitrile represented by is hydrogen chloride gas or R″ONa (sodium alkoxide) in R′OH (alcohol).
An imidate represented by the formula (IV) is obtained by acting on . When hydrogen chloride gas is applied, the alcohol (R'OH) that can be used may be either a chain or cyclic alcohol, such as methanol, ethanol, n-propanol, isopropanol, n-
Examples include butanol, isobutanol, t-butanol, cyclopentanol, cyclohexanol, n-octanol, and the like. The amount of alcohol used is preferably at least 30 moles or more, particularly 30 to 300 moles, per mole of the nitrile represented by formula (II). The amount of hydrogen chloride gas is preferably at least 20 moles or more, particularly preferably 20 to 200 moles, per mole of nitrile. The reaction temperature is -1
The temperature is preferably 0 to 10°C, more preferably -5 to 5°C. Under the above reaction conditions, this reaction can usually be completed in 15 to 95 hours. The obtained imidate is a hydrochloride and can be converted into a free form by treatment with an alkali. On the other hand, when acting with R″ONa, the type of alcohol that can be used is the same as when acting with hydrogen chloride gas, and the amount used is preferably 5 to 500 mol, more preferably 5 to 500 mol per mol of nitrile. Preferably 10
~50 mol. The amount of R″ONa is a catalytic amount, preferably from 0.01 to 0 per mole of nitrile.
.. It is within the range of 5 mol, more preferably 0.02 to 0.2 mol. The reaction temperature is preferably within the range of 0 to 50°C,
0°C to room temperature is more preferred. Under the reaction conditions above,
This reaction can usually be completed in 1 to 24 hours. The obtained imidate represented by formula (IV) can be subjected to the next reaction without being isolated and purified, but methods for isolation and purification include distillation, column chromatography using silica gel as a carrier. Purification methods known in the field of organic synthetic chemistry, such as, can be used. (b) Compound (III)→Compound (IV) Formula (II
The amide represented by I) is converted into an imidate represented by formula (IV) by reacting with dimethyl sulfate. The amount of dimethyl sulfate used in this reaction is determined by the formula (III
) is preferably at least 3 mol or more, particularly preferably 3 to 6 mol, per 1 mol of the amide. The reaction temperature is 50-15
0°C is preferable, and 100 to 105°C is more preferable. Under the above reaction conditions, this reaction can usually be completed in 2 to 3 hours. The method for isolating and purifying the obtained imidate is the same as that described in (a). (c) Compound (IV) → Compound (V) The imidate represented by formula (IV) can be prepared by reacting with cyanamide (NH2CN) in a buffer, preferably a phosphate buffer. It is converted to cyanoimidate. The amount of cyanamide used is preferably at least 1 mol or more, particularly 2 to 3 mol, per 1 mol of imidate. Although this reaction is carried out in a buffer (preferably a phosphate buffer) as described above, it can also be carried out in the presence of a solvent. Examples of solvents that can be used include organic solvents such as acetonitrile, dichloromethane, chloroform, and dioxane. The pH range is preferably within the range of 5.0 to 6.5, more preferably 5.2 to 6.
2 and the concentration of the buffer is preferably in the range 0.1-4M, especially 0.2-3M. In addition, in order to maintain sufficient buffering capacity, the constituent components of the buffer solution, such as Na
2HPO4 and NaH2PO4 are each at least 1 mol or more, preferably 1 mol or more, per 1 mol of imidate.
~4 mol is preferably used. Reaction temperature is 0-5
The temperature is preferably within the range of 0°C, and particularly preferably near room temperature. Under such reaction conditions, the imidate represented by formula (IV) is usually converted into the cyanoimidate represented by formula (V) in 6 to 70 hours. Formula (V) thus obtained
To isolate and purify the cyanoimidate shown in , if necessary, use purification methods known in the field of organic synthetic chemistry, such as crystallization, distillation, and column chromatography using silica gel as a carrier. Can be done. (d) Compound (V) → Compound (I) The cyanoimidate represented by formula (V) can be converted into an N-cyano-N'-carboximidamide derivative represented by formula (I) by reacting with an amine compound. can be manufactured. The amount of the amine compound to be used is suitably at least 1 mol or more, more preferably within the range of 1 to 2.5 mol, per 1 mol of cyanoimidate represented by formula (V). This reaction is usually carried out in a solvent, and examples of solvents that can be used include alcohols such as methanol and ethanol, organic solvents such as dichloromethane, chloroform, carbon tetrachloride, dioxane, and tetrahydrofuran, and water. It will be done. The reaction temperature is preferably within the range of 0° C. to the boiling point of the solvent, particularly around room temperature. Under the above reaction conditions, this reaction can usually be completed in 5 minutes to 6 days. The method for isolating and purifying the compound represented by formula (I) from the reaction mixture obtained in the above reaction is the same as that described in the section for isolating and purifying the cyanoimidate represented by formula (V). Among the compounds of formula (I) according to the invention:
Compounds having basic nitrogen can be converted into acid addition salts according to methods known per se. Acids that can be made into addition salts are as described above. [III] Uses of the compound The compound according to the present invention has a vasodilatory effect, as shown in the experimental examples below, and is useful as a vasodilator. When the compound according to the present invention is administered as a vasodilator, it can be administered orally or parenterally (intramuscularly, subcutaneously, intravenously, transdermally), or as a sublingual tablet, suppository, or the like. The dosage and administration method of the compound of the present invention are determined depending on the patient's situation, such as body weight, sex, sensitivity, administration time,
It goes without saying that this will vary depending on the concomitant drugs, the patient, and the severity of the disease, and the appropriate dosage and frequency of administration under certain conditions must be determined by a specialist's appropriate dosage determination test based on the above guidelines. But usually,
The daily dose for adults is about 0.1 to 200 mg, preferably about 0.5 to 100 mg. When the compound of the present invention is administered orally as a medicine, it is administered in the form of tablets, granules, powders, capsules, etc., and when administered parenterally, it is administered in the form of injections, suspensions, etc. To produce these formulations, additives such as excipients, binders, disintegrants, lubricants, stabilizers, etc. can be added. Excipients include, for example, lactose, starch, crystalline cellulose, mannitol, maltose, calcium hydrogen phosphate, light anhydrous silicic acid, calcium carbonate, etc. Binders include, for example, starch, polyvinylpyrrolidone, hydroxypropylcellulose, ethylcellulose, Examples of disintegrants include starch, carboxymethylcellulose calcium, etc. Lubricants include magnesium stearate, talc, hydrogenated oil, etc. Stabilizers include lactose, mannitol, etc. Maltose, polysorbates, macrogol, polyoxyethylene hydrogenated castor oil and the like are commonly used for these purposes. Using these ingredients, tablets, granules, capsules,
It can be manufactured into dosage forms such as injections.
【0009】[0009]
【発明の効果】本発明によるカルボキシイミダミド誘導
体、すなわちN‐シアノ‐N′‐カルボキシイミダミド
誘導体は、優れた血管拡張作用を有している。本発明に
よるカルボキシイミダミド誘導体が、このように優れた
血管拡張作用を有しているという特性は当業者にとって
思いがけなかったことといえよう。INDUSTRIAL APPLICABILITY The carboximidamide derivative according to the present invention, that is, the N-cyano-N'-carboximidamide derivative, has an excellent vasodilation effect. The property that the carboximidamide derivative according to the present invention has such an excellent vasodilatory effect was unexpected for those skilled in the art.
【0010】〔実験例〕[Experimental example]
【実施例】以下の実験例は、本発明を更に詳しく説明す
るためのものであり、これによって本発明はなんら限定
されるものではない。
<薬理試験>試験例:ラット大動脈標本に対する血管弛
緩作用
(1)試験法
摘出したラットの大動脈を用いる方法によって、本発明
化合物の生理活性を試験した。放血致死させた体重25
0〜350gのウィスター系雄性ラットより速やかに胸
部大動脈を摘出し、幅3mmの輪切り標本を作製した。
標本は95%O2−5%CO2の混合ガスを通気した3
7℃のクレブス‐リンゲル(Krebs−Ringer
)液を満たしたオルガンバス中に懸垂した。静止張力1
gを負荷して、標本の張力が安定した後、オルガンバス
内を40mMKClを含む等張の栄養液に交換し、標本
の張力を増加させた。KClによる発生張力が一定とな
った後、試験化合物を累積的にオルガンバス内に添加し
、標本を弛緩させた。KClによる張力を100%とし
、弛緩反応をその抑制率として求め、IC50値(KC
lによる張力を50%抑制する濃度)は平均の用量‐作
用曲線からプロビット法により算出した。
(2)結果
本発明化合物のIC50値を第2表に示す。EXAMPLES The following experimental examples are intended to explain the present invention in more detail, and are not intended to limit the present invention in any way. <Pharmacological test> Test example: Vasorelaxation effect on rat aorta specimen (1) Test method The physiological activity of the compound of the present invention was tested by a method using excised rat aorta. Weight 25 that caused death due to exsanguination
The thoracic aorta was immediately removed from a male Wistar rat weighing 0 to 350 g, and sliced specimens with a width of 3 mm were prepared. The specimen was aerated with a gas mixture of 95% O2-5% CO2.
Krebs-Ringer at 7°C.
) Suspended in an organ bath filled with liquid. static tension 1
After the tension of the specimen was stabilized by loading G, the organ bath was replaced with an isotonic nutrient solution containing 40 mM KCl to increase the tension of the specimen. After the tension generated by KCl became constant, test compounds were added cumulatively into the organ bath to allow the specimen to relax. The tension due to KCl is set as 100%, the relaxation reaction is determined as its inhibition rate, and the IC50 value (KC
The concentration that suppresses the tension by 50%) was calculated by the probit method from the average dose-effect curve. (2) Results The IC50 values of the compounds of the present invention are shown in Table 2.
【表4】
実施例1
N‐シアノ‐N′‐〔2‐(2‐クロロフェニル)
エチル〕‐2‐(3‐メチルチオフェン)カルボキシイ
ミダミドの製造
a) 3‐メチル‐2‐チオフェンカルボン酸(20
g、0.14mol)をテトラヒドロフラン(200m
l)に溶解し、トリエチルアミン(18.38g、0.
18mol)を加えた。さらに氷水冷下、クロロ炭酸エ
チル(18.23g、0.17mol)をテトラヒドロ
フラン(80ml)に溶解して加え、室温で3時間攪拌
した。次に氷水冷下、28%アンモニア水(40ml、
0.66mol)を加え、室温で45分攪拌した。反応
後、反応液を減圧濃縮し、残渣をシリカゲルカラムクロ
マトグラフィー(ワコーゲルC−200、1200g)
に供し、クロロホルム:メタノール(50:1)にて溶
出した。溶出区分は減圧濃縮することにより、3‐メチ
ル‐2‐チオフェンカルボキシアミドの粗生成物(10
.22g)を淡黄色結晶として得た。続いて四塩化チタ
ン(27.3g、0.14mol)を四塩化炭素(50
ml)に溶解し、0〜10℃でテトラヒドロフラン(1
00ml)に加えた。さらに上記結晶をテトラヒドロフ
ラン(130ml)に溶解し、0〜10℃で加えた。次
にトリエチルアミン(29.09g、0.29mol)
をテトラヒドロフラン(50ml)に溶解して0〜10
℃で加え、室温で65時間攪拌した。反応後、反応液に
氷水冷下、水(100ml)を加えて減圧濃縮し、水層
を酢酸エチル(100ml×3回)にて抽出した。酢酸
エチル層は飽和炭酸水素ナトリウム水溶液で洗浄し、無
水硫酸ナトリウムで脱水後、減圧濃縮することにより、
3‐メチル‐2‐シアノチオフェンの粗生成物(5.2
5g)を黄色シラップとして得た。
続いてこのシラップに氷水冷下、塩化水素ガス(26.
89g、0.74mol)をメタノール(50ml)に
飽和させて加え、0℃で17時間攪拌した。反応後、反
応液を減圧濃縮し、飽和炭酸水素ナトリウム水溶液を加
え、ジエチルエーテル(100ml×3回)にて抽出し
た。ジエチルエーテル層は無水硫酸ナトリウムで脱水後
、減圧濃縮することにより、メチル=2‐(3‐メチル
チオフェン)カルボキシイミデートの粗生成物(4.9
4g)を黄色シラップとして得た。続いてこのシラップ
をシアナミド(2.67g、63.7mmol)及びN
a2HPO4(4.52g、31.8mmol)とNa
H2PO4・2H2O(19.87g、127mmol
)とのリン酸緩衝液(pH5.4、210ml)に加え
、室温で18時間攪拌した。反応後、反応液をジクロロ
メタン(100ml×3回)にて抽出し、ジクロロメタ
ン層は無水硫酸ナトリウムで脱水後、減圧濃縮した。残
渣をシリカゲルカラムクロマトグラフィー(ワコーゲル
C−200、125g)に供し、ヘキサン:酢酸エチル
(4:1)にて溶出した。溶出区分は減圧濃縮すること
により、メチル=N‐シアノ‐2‐(3‐メチルチオフ
ェン)カルボキシイミデート(1.55g、8.61m
mol、収率6%)を無色結晶として得た。b) 2
‐(2‐クロロフェニル)エチルアミン(0.26g、
1.67mmol)をメタノール(50ml)に溶解し
、メチル=N‐シアノ‐2‐(3‐メチルチオフェン)
カルボキシイミデート(0.3g、1.67mmol)
を加え、室温で64時間攪拌した。反応後、反応液を減
圧濃縮し、残渣をメタノール/ジエチルエーテルより結
晶化して表題の化合物(0.38g、1.25mmol
、収率75%)を無色結晶として得た。
N‐シアノ‐N′‐〔2‐(2‐クロロフェニル)エチ
ル〕‐2‐(3‐メチルチオフェン)カルボキシイミダ
ミドの物理化学的性質
融点:134.5〜135℃
赤外吸収スペクトル(cm−1、KBr):2200、
1580、1560、1430、740。核磁気共鳴ス
ペクトル(100MHz 、CDCl3中):δ(pp
m)7.5〜7.0(5H)、6.89(1H,d,J
=5.3Hz)、6.13(1H,brs)、3.75
(2H,m)、3.10(2H,t,J=6.7Hz)
、2.34(3H,s)。
質量分析:m/z 303(M+ )実施例2
N‐シアノ‐N′‐(2‐フェニルエチル)‐2‐
(3‐メチルチオフェン)カルボキシイミダミドの製造
2‐フェニルエチルアミン(0.2g、1.67m
mol)をメタノール(50ml)に溶解し、メチル=
N‐シアノ‐2‐(3‐メチルチオフェン)カルボキシ
イミデート(0.3g、1.67mmol)を加え、室
温で16.5時間攪拌した。反応後、反応液を減圧濃縮
し、残渣をジエチルエーテルより結晶化して表題の化合
物(0.37g、1.38mmol、収率82%)を無
色結晶として得た。
N‐シアノ‐N′‐(2‐フェニルエチル)‐2‐(3
‐メチルチオフェン)カルボキシイミダミドの物理化学
的性質
融点:129.5〜130℃
赤外吸収スペクトル(cm−1、KBr):2180、
1560、1470、735。核磁気共鳴スペクトル(
100MHz 、CDCl3中):δ(ppm)7.5
〜7.0(6H)、6.88(1H,d,J=5.3H
z)、6.06(1H,brs)、3.73(2H,m
)、2.95(2H,t,J=6.7Hz)、2.30
(3H,s)。
質量分析:m/z 269(M+ )[Table 4] Example 1 N-cyano-N'-[2-(2-chlorophenyl)
Production of ethyl]-2-(3-methylthiophene)carboximidamide a) 3-methyl-2-thiophenecarboxylic acid (20
g, 0.14 mol) in tetrahydrofuran (200 m
1) and triethylamine (18.38 g, 0.1 g).
18 mol) was added. Further, under ice-water cooling, ethyl chlorocarbonate (18.23 g, 0.17 mol) dissolved in tetrahydrofuran (80 ml) was added, and the mixture was stirred at room temperature for 3 hours. Next, under ice water cooling, 28% ammonia water (40 ml,
0.66 mol) was added thereto, and the mixture was stirred at room temperature for 45 minutes. After the reaction, the reaction solution was concentrated under reduced pressure, and the residue was subjected to silica gel column chromatography (Wakogel C-200, 1200 g).
and eluted with chloroform:methanol (50:1). The elution fraction was concentrated under reduced pressure to obtain the crude product of 3-methyl-2-thiophenecarboxamide (10
.. 22g) was obtained as pale yellow crystals. Subsequently, titanium tetrachloride (27.3 g, 0.14 mol) was added to carbon tetrachloride (50
ml) and diluted with tetrahydrofuran (1 ml) at 0-10°C.
00ml). Further, the above crystals were dissolved in tetrahydrofuran (130 ml) and added at 0 to 10°C. Then triethylamine (29.09g, 0.29mol)
was dissolved in tetrahydrofuran (50 ml) to give a concentration of 0 to 10
C. and stirred at room temperature for 65 hours. After the reaction, water (100 ml) was added to the reaction solution under ice-water cooling, and the mixture was concentrated under reduced pressure, and the aqueous layer was extracted with ethyl acetate (100 ml x 3). The ethyl acetate layer was washed with a saturated aqueous sodium bicarbonate solution, dehydrated with anhydrous sodium sulfate, and concentrated under reduced pressure.
Crude product of 3-methyl-2-cyanothiophene (5.2
5 g) was obtained as a yellow syrup. Next, hydrogen chloride gas (26.
89 g, 0.74 mol) was added to methanol (50 ml) to saturation, and the mixture was stirred at 0° C. for 17 hours. After the reaction, the reaction solution was concentrated under reduced pressure, a saturated aqueous sodium bicarbonate solution was added, and the mixture was extracted with diethyl ether (100 ml x 3). The diethyl ether layer was dehydrated with anhydrous sodium sulfate and concentrated under reduced pressure to obtain a crude product of methyl 2-(3-methylthiophene)carboximidate (4.9
4 g) was obtained as a yellow syrup. This syrup was then treated with cyanamide (2.67 g, 63.7 mmol) and N
a2HPO4 (4.52g, 31.8mmol) and Na
H2PO4・2H2O (19.87g, 127mmol
) and stirred at room temperature for 18 hours. After the reaction, the reaction solution was extracted with dichloromethane (100 ml x 3), and the dichloromethane layer was dehydrated over anhydrous sodium sulfate and then concentrated under reduced pressure. The residue was subjected to silica gel column chromatography (Wako Gel C-200, 125 g) and eluted with hexane:ethyl acetate (4:1). The elution fraction was concentrated under reduced pressure to obtain methyl N-cyano-2-(3-methylthiophene)carboximidate (1.55 g, 8.61 m
mol, yield 6%) was obtained as colorless crystals. b) 2
-(2-chlorophenyl)ethylamine (0.26g,
1.67 mmol) was dissolved in methanol (50 ml) to obtain methyl=N-cyano-2-(3-methylthiophene).
Carboximidate (0.3g, 1.67mmol)
was added and stirred at room temperature for 64 hours. After the reaction, the reaction solution was concentrated under reduced pressure, and the residue was crystallized from methanol/diethyl ether to obtain the title compound (0.38 g, 1.25 mmol
, yield 75%) was obtained as colorless crystals. Physicochemical properties of N-cyano-N'-[2-(2-chlorophenyl)ethyl]-2-(3-methylthiophene)carboximidamide Melting point: 134.5-135℃ Infrared absorption spectrum (cm-1 , KBr): 2200,
1580, 1560, 1430, 740. Nuclear magnetic resonance spectrum (100 MHz, in CDCl3): δ (pp
m) 7.5-7.0 (5H), 6.89 (1H, d, J
=5.3Hz), 6.13 (1H, brs), 3.75
(2H, m), 3.10 (2H, t, J=6.7Hz)
, 2.34 (3H, s). Mass spectrometry: m/z 303 (M+) Example 2 N-cyano-N'-(2-phenylethyl)-2-
Production of (3-methylthiophene)carboximidamide 2-phenylethylamine (0.2g, 1.67m
mol) in methanol (50 ml), methyl =
N-cyano-2-(3-methylthiophene)carboximidate (0.3 g, 1.67 mmol) was added and stirred at room temperature for 16.5 hours. After the reaction, the reaction solution was concentrated under reduced pressure, and the residue was crystallized from diethyl ether to obtain the title compound (0.37 g, 1.38 mmol, yield 82%) as colorless crystals. N-cyano-N'-(2-phenylethyl)-2-(3
-Methylthiophene) Physicochemical properties of carboxyimidamide Melting point: 129.5-130°C Infrared absorption spectrum (cm-1, KBr): 2180,
1560, 1470, 735. Nuclear magnetic resonance spectrum (
100MHz, in CDCl3): δ (ppm) 7.5
~7.0 (6H), 6.88 (1H, d, J = 5.3H
z), 6.06 (1H, brs), 3.73 (2H, m
), 2.95 (2H, t, J=6.7Hz), 2.30
(3H, s). Mass spectrometry: m/z 269 (M+)
【0011】実
施例3
N‐シアノ‐N′‐(2‐ニトロキシエチル)‐2
‐(3‐メチルチオフェン)カルボキシイミダミドの製
造 2‐ニトロキシエチルアミン・P‐トルエンスル
ホン酸塩(0.92g、3.34mmol)をメタノー
ル(30ml)に溶解し、ナトリウムメトキシド(0.
18g、3.34mmol)を加えた。さらにメチル=
N‐シアノ‐2‐(3‐メチルチオフェン)カルボキシ
イミデート(0.3g、1.67mmol)を加え、室
温で5時間攪拌した。反応後、反応液を減圧濃縮し、残
渣をクロロホルム(40ml×3回)にて抽出した。ク
ロロホルム層は無水硫酸ナトリウムで脱水後、減圧濃縮
した。残渣をシリカゲルカラムクロマトグラフィー(ワ
コーゲルC−200、14g)に供し、ヘキサン:酢酸
エチル(3:2)にて溶出した。溶出区分は減圧濃縮後
、ジエチルエーテルより結晶化して表題の化合物(0.
23g、0.91mmol、収率54%)を無色結晶と
して得た。
N‐シアノ‐N′‐(2‐ニトロキシエチル)‐2‐(
3‐メチルチオフェン)カルボキシイミダミドの物理化
学的性質
融点:114.5〜115℃
赤外吸収スペクトル(cm−1、KBr):2180、
1630、1570、1550、1280。核磁気共鳴
スペクトル(100MHz 、CDCl3中):δ(p
pm)7.40(1H,d,J=5.0Hz)、6.9
3(1H,d,J=5.0Hz)、6.72(1H,b
rs)、4.67(2H,t,J=5.3Hz)、3.
80(2H,m)、2.37(3H,s)。質量分析:
m/z 255(〔M+H〕+ )Example 3 N-cyano-N'-(2-nitroxyethyl)-2
-Preparation of (3-methylthiophene)carboximidamide 2-nitroxyethylamine P-toluenesulfonate (0.92 g, 3.34 mmol) was dissolved in methanol (30 ml), and sodium methoxide (0.92 g, 3.34 mmol) was dissolved in methanol (30 ml).
18g, 3.34mmol) was added. Furthermore, methyl =
N-cyano-2-(3-methylthiophene)carboximidate (0.3 g, 1.67 mmol) was added and stirred at room temperature for 5 hours. After the reaction, the reaction solution was concentrated under reduced pressure, and the residue was extracted with chloroform (40 ml x 3). The chloroform layer was dehydrated with anhydrous sodium sulfate and then concentrated under reduced pressure. The residue was subjected to silica gel column chromatography (Wako Gel C-200, 14 g) and eluted with hexane:ethyl acetate (3:2). The eluted fraction was concentrated under reduced pressure and crystallized from diethyl ether to give the title compound (0.
23 g, 0.91 mmol, yield 54%) was obtained as colorless crystals. N-cyano-N'-(2-nitroxyethyl)-2-(
Physicochemical properties of 3-methylthiophene)carboximidamide Melting point: 114.5-115°C Infrared absorption spectrum (cm-1, KBr): 2180,
1630, 1570, 1550, 1280. Nuclear magnetic resonance spectrum (100 MHz, in CDCl3): δ(p
pm) 7.40 (1H, d, J=5.0Hz), 6.9
3 (1H, d, J = 5.0Hz), 6.72 (1H, b
rs), 4.67 (2H, t, J=5.3Hz), 3.
80 (2H, m), 2.37 (3H, s). Mass spectrometry:
m/z 255 ([M+H]+)
【0012】実施例4
N‐シアノ‐N′‐〔2‐(2‐クロロフェニル)
エチル〕‐2‐(5‐メチルチオフェン)カルボキシイ
ミダミドの製造
a) 5‐メチル‐2‐チオフェンカルボン酸(5g
、35.2mmol)をテトラヒドロフラン(50ml
)に溶解し、トリエチルアミン(4.65g、46mm
ol)を加えた。さらに氷水冷下、クロロ炭酸エチル(
4.56g、42mmol)をテトラヒドロフラン(2
0ml)に溶解して加え、室温で4時間攪拌した。次に
氷水冷下、アンモニアガスを1時間吹込んだ。反応後、
反応液を減圧濃縮し、残渣をシリカゲルカラムクロマト
グラフィー(ワコーゲルC−200、370g)に供し
、クロロホルム:メタノール(50:1)にて溶出した
。溶出区分は減圧濃縮することにより、5‐メチル‐2
‐チオフェンカルボキシアミドの粗生成物(2g)を淡
黄色結晶として得た。続いてこの結晶に硫酸ジメチル(
5.36g、42.5mmol)を加え、100〜10
5℃で2時間攪拌した。反応後、反応液をジエチルエー
テル(100ml)で洗浄し、30%炭酸ナトリウム水
溶液を加え、ジエチルエーテル(40ml×3回)にて
抽出した。ジエチルエーテル層は無水硫酸ナトリウムで
脱水後、減圧濃縮することにより、メチル=2‐(5‐
メチルチオフェン)カルボキシイミデートの粗生成物(
2.24g)を淡黄色シラップとして得た。続いてこの
シラップをシアナミド(1.21g、28.8mmol
)及びNa2HPO4(2.04g、14.4mmol
)とNaH2PO4・2H2O(8.99g、57.6
mmol)とのリン酸緩衝液(pH5.4、100ml
)に加え、室温で40時間攪拌した。反応後、反応液を
ジクロロメタン(50ml×3回)にて抽出し、ジクロ
ロメタン層は無水硫酸ナトリウムで脱水後、減圧濃縮し
た。残渣をシリカゲルカラムクロマトグラフィー(ワコ
ーゲルC−200、60g)に供し、ヘキサン:酢酸エ
チル(4:1)にて溶出した。溶出区分は減圧濃縮する
ことにより、メチル=N‐シアノ‐2‐(5‐メチルチ
オフェン)カルボキシイミデート(1.05g、5.8
3mmol、収率17%)を無色結晶として得た。b)
2‐(2‐クロロフェニル)エチルアミン(0.2
6g、1.67mmol)をメタノール(50ml)に
溶解し、メチル=N‐シアノ‐2‐(5‐メチルチオフ
ェン)カルボキシイミデート(0.3g、1.67mm
ol)を加え、室温で18時間攪拌した。反応後、反応
液を減圧濃縮し、残渣をジエチルエーテルより結晶化し
て表題の化合物(0.4g、1.32mmol、収率7
9%)を無色結晶として得た。
N‐シアノ‐N′‐〔2‐(2‐クロロフェニル)エチ
ル〕‐2‐(5‐メチルチオフェン)カルボキシイミダ
ミドの物理化学的性質
融点:127〜127.5℃
赤外吸収スペクトル(cm−1、KBr):2180、
1570、1560。核磁気共鳴スペクトル(100M
Hz 、CDCl3中):δ(ppm)7.71(1H
,d,J=3.8Hz)、7.5〜7.0(4H)、6
.78(1H,d,J=3.8Hz)、6.37(1H
,brs)、3.73(2H,m)、3.10(2H,
t,J=6.7Hz)、2.51(3H,s)。
質量分析:m/z 303(M+ )Example 4 N-cyano-N'-[2-(2-chlorophenyl)
Production of ethyl]-2-(5-methylthiophene)carboximidamide a) 5-methyl-2-thiophenecarboxylic acid (5 g
, 35.2 mmol) in tetrahydrofuran (50 ml
) and triethylamine (4.65 g, 46 mm
ol) was added. Furthermore, under ice water cooling, ethyl chlorocarbonate (
4.56 g, 42 mmol) in tetrahydrofuran (2
0 ml) and stirred at room temperature for 4 hours. Next, ammonia gas was blown in for 1 hour while cooling with ice water. After the reaction,
The reaction solution was concentrated under reduced pressure, and the residue was subjected to silica gel column chromatography (Wakogel C-200, 370 g) and eluted with chloroform:methanol (50:1). The elution fraction was concentrated under reduced pressure to obtain 5-methyl-2
-A crude product (2 g) of thiophenecarboxamide was obtained as pale yellow crystals. Next, dimethyl sulfate (
5.36g, 42.5mmol) and 100-10
The mixture was stirred at 5°C for 2 hours. After the reaction, the reaction solution was washed with diethyl ether (100 ml), a 30% aqueous sodium carbonate solution was added, and the mixture was extracted with diethyl ether (40 ml x 3). The diethyl ether layer was dehydrated with anhydrous sodium sulfate and concentrated under reduced pressure to obtain methyl=2-(5-
Methylthiophene) carboxyimidate crude product (
2.24 g) was obtained as pale yellow syrup. Subsequently, this syrup was mixed with cyanamide (1.21 g, 28.8 mmol
) and Na2HPO4 (2.04g, 14.4mmol
) and NaH2PO4・2H2O (8.99g, 57.6
phosphate buffer (pH 5.4, 100 ml) with
) and stirred at room temperature for 40 hours. After the reaction, the reaction solution was extracted with dichloromethane (50 ml x 3), and the dichloromethane layer was dehydrated over anhydrous sodium sulfate and then concentrated under reduced pressure. The residue was subjected to silica gel column chromatography (Wako Gel C-200, 60 g) and eluted with hexane:ethyl acetate (4:1). The elution fraction was concentrated under reduced pressure to obtain methyl N-cyano-2-(5-methylthiophene)carboximidate (1.05 g, 5.8
3 mmol, yield 17%) was obtained as colorless crystals. b)
2-(2-chlorophenyl)ethylamine (0.2
6 g, 1.67 mmol) was dissolved in methanol (50 ml) and methyl N-cyano-2-(5-methylthiophene)carboximidate (0.3 g, 1.67 mmol) was dissolved in methanol (50 ml).
ol) was added and stirred at room temperature for 18 hours. After the reaction, the reaction solution was concentrated under reduced pressure, and the residue was crystallized from diethyl ether to give the title compound (0.4 g, 1.32 mmol, yield 7
9%) was obtained as colorless crystals. Physicochemical properties of N-cyano-N'-[2-(2-chlorophenyl)ethyl]-2-(5-methylthiophene)carboximidamide Melting point: 127-127.5℃ Infrared absorption spectrum (cm-1 , KBr): 2180,
1570, 1560. Nuclear magnetic resonance spectrum (100M
Hz, in CDCl3): δ (ppm) 7.71 (1H
, d, J=3.8Hz), 7.5-7.0 (4H), 6
.. 78 (1H, d, J = 3.8Hz), 6.37 (1H
, brs), 3.73 (2H, m), 3.10 (2H,
t, J = 6.7Hz), 2.51 (3H, s). Mass spectrometry: m/z 303 (M+)
【0013】実
施例5
N‐シアノ‐N′‐(2‐フェニルエチル)‐2‐
(5‐メチルチオフェン)カルボキシイミダミドの製造
2‐フェニルエチルアミン(0.2g、1.67m
mol)をメタノール(20ml)に溶解し、メチル=
N‐シアノ‐2‐(5‐メチルチオフェン)カルボキシ
イミデート(0.3g、1.67mmol)を加え、室
温で66時間攪拌した。反応後、反応液を減圧濃縮し、
残渣をジエチルエーテルより結晶化して表題の化合物(
0.35g、1.3mmol、収率78%)を無色結晶
として得た。
N‐シアノ‐N′‐(2‐フェニルエチル)‐2‐(5
‐メチルチオフェン)カルボキシイミダミドの物理化学
的性質
融点:97〜97.5℃
赤外吸収スペクトル(cm−1、KBr):2180、
1580、1550、1470。核磁気共鳴スペクトル
(100MHz 、CDCl3中):δ(ppm)7.
69(1H,d,J=3.8Hz)、7.5〜7.0(
5H)、6.77(1H,d,J=3.8Hz)、6.
24(1H,brs)、3.71(2H,m)、2.9
4(2H,t,J=6.7Hz)、2.50(3H,s
)。質量分析:m/z 269(M+ )Example 5 N-cyano-N'-(2-phenylethyl)-2-
Production of (5-methylthiophene)carboximidamide 2-phenylethylamine (0.2g, 1.67m
mol) in methanol (20 ml), methyl =
N-cyano-2-(5-methylthiophene)carboximidate (0.3 g, 1.67 mmol) was added and stirred at room temperature for 66 hours. After the reaction, the reaction solution was concentrated under reduced pressure,
The residue was crystallized from diethyl ether to give the title compound (
0.35 g, 1.3 mmol, yield 78%) was obtained as colorless crystals. N-cyano-N'-(2-phenylethyl)-2-(5
-Methylthiophene) Physicochemical properties of carboxyimidamide Melting point: 97-97.5°C Infrared absorption spectrum (cm-1, KBr): 2180,
1580, 1550, 1470. Nuclear magnetic resonance spectrum (100 MHz, in CDCl3): δ (ppm) 7.
69 (1H, d, J = 3.8Hz), 7.5-7.0 (
5H), 6.77 (1H, d, J=3.8Hz), 6.
24 (1H, brs), 3.71 (2H, m), 2.9
4 (2H, t, J = 6.7Hz), 2.50 (3H, s
). Mass spectrometry: m/z 269 (M+)
【0014】実施例6
N‐シアノ‐N′‐(2‐ニトロキシエチル)‐2
‐(5‐メチルチオフェン)カルボキシイミダミドの製
造 2‐ニトロキシエチルアミン・P‐トルエンスル
ホン酸塩(1.39g、5mmol)をメタノール(5
0ml)に溶解し、ナトリウムメトキシド(0.27g
、5mmol)を加えた。さらにメチル=N‐シアノ‐
2‐(5‐メチルチオフェン)カルボキシイミデート(
0.45g、2.5mmol)を加え、室温で65時間
攪拌した。反応後、反応液を減圧濃縮し、残渣をクロロ
ホルム(40ml×3回)にて抽出した。クロロホルム
層は無水硫酸ナトリウムで脱水後、減圧濃縮した。残渣
をシリカゲルカラムクロマトグラフィー(ワコーゲルC
−200、23g)に供し、ヘキサン:酢酸エチル(3
:2)にて溶出した。溶出区分は減圧濃縮後、ジエチル
エーテルより結晶化して表題の化合物(0.27g、1
.06mmol、収率43%)を無色結晶として得た。
N‐シアノ‐N′‐(2‐ニトロキシエチル)‐2‐(
5‐メチルチオフェン)カルボキシイミダミドの物理化
学的性質
融点:91.5〜92℃
赤外吸収スペクトル(cm−1、KBr):2170、
1620、1565、1280。核磁気共鳴スペクトル
(100MHz 、CDCl3中):δ(ppm)7.
78(1H,d,J=3.8Hz)、7.11(1H,
brs)、6.81(1H,d,J=3.8Hz)、4
.68(2H,t,J=5.2Hz)、3.81(2H
,m)、2.53(3H,s)。
質量分析:m/z 254(M+ )Example 6 N-cyano-N'-(2-nitroxyethyl)-2
-Production of (5-methylthiophene)carboximidamide 2-nitroxyethylamine P-toluenesulfonate (1.39 g, 5 mmol) was dissolved in methanol (5 mmol).
0 ml) and sodium methoxide (0.27 g
, 5 mmol) was added. Furthermore, methyl=N-cyano-
2-(5-methylthiophene)carboximidate (
0.45 g, 2.5 mmol) was added thereto, and the mixture was stirred at room temperature for 65 hours. After the reaction, the reaction solution was concentrated under reduced pressure, and the residue was extracted with chloroform (40 ml x 3). The chloroform layer was dehydrated with anhydrous sodium sulfate and then concentrated under reduced pressure. The residue was subjected to silica gel column chromatography (Wakogel C
-200, 23g), hexane:ethyl acetate (3
:2) was eluted. The eluted fraction was concentrated under reduced pressure and then crystallized from diethyl ether to give the title compound (0.27 g, 1
.. 06 mmol, yield 43%) was obtained as colorless crystals. N-cyano-N'-(2-nitroxyethyl)-2-(
Physicochemical properties of 5-methylthiophene)carboximidamide Melting point: 91.5-92°C Infrared absorption spectrum (cm-1, KBr): 2170,
1620, 1565, 1280. Nuclear magnetic resonance spectrum (100 MHz, in CDCl3): δ (ppm) 7.
78 (1H, d, J = 3.8Hz), 7.11 (1H,
brs), 6.81 (1H, d, J=3.8Hz), 4
.. 68 (2H, t, J = 5.2Hz), 3.81 (2H
, m), 2.53 (3H, s). Mass spectrometry: m/z 254 (M+)
【0015】実
施例7
N‐シアノ‐N′‐〔2‐(2‐クロロフェニル)
エチル〕‐3‐(6‐クロロ‐2H‐1‐ベンゾピラン
)カルボキシイミダミドの製造
a) 6‐クロロ‐3‐シアノ‐2H‐1‐ベンゾピ
ラン(0.5g、2.61mmol)に氷水冷下、塩化
水素ガスをメタノール(35ml)に飽和させて加え、
0℃で17.5時間攪拌した。反応後、反応液に飽和炭
酸水素ナトリウム水溶液を加え、クロロホルム(150
ml×3回)にて抽出した。クロロホルム層は飽和Na
Cl水溶液で洗浄し、無水硫酸マグネシウムで脱水後、
減圧濃縮することにより、メチル=3‐(6‐クロロ‐
2H‐1‐ベンゾピラン)カルボキシイミデート(0.
5g、2.24mmol、収率86%)を黄色結晶とし
て得た。続いてこの結晶をアセトニトリル(25ml)
に溶解し、シアナミド(0.18g、4.4mmol)
及びNa2HPO4(0.31g、2.2mmol)と
NaH2PO4・2H2O(1.37g、8.8mmo
l)とのリン酸緩衝液(pH5.4、10ml)に加え
、室温で21.5時間攪拌した。反応後、反応液を氷水
(200ml)に注ぎ、クロロホルム(150ml×3
回)にて抽出した。クロロホルム層は飽和NaCl水溶
液で洗浄し、無水硫酸マグネシウムで脱水後、減圧濃縮
することにより、メチル=N‐シアノ‐3‐(6‐クロ
ロ‐2H‐1‐ベンゾピラン)カルボキシイミデート(
0.52g、2.09mmol、収率93%)を黄色結
晶として得た。b) メチル=N‐シアノ‐3‐(6
‐クロロ‐2H‐1‐ベンゾピラン)カルボキシイミデ
ート(0.52g、2.09mmol)をメタノール(
40ml)に溶解し、2‐(2‐クロロフェニル)エチ
ルアミン(0.72g、4.6mmol)を加え、室温
で10分攪拌した。反応後、反応液を減圧濃縮し、残渣
をジエチルエーテル/ヘキサンより結晶化して表題の化
合物(0.47g、1.26mmol、収率60%)を
淡黄色結晶として得た。
N‐シアノ‐N′‐〔2‐(2‐クロロフェニル)エチ
ル〕‐3‐(6‐クロロ‐2H‐1‐ベンゾピラン)カ
ルボキシイミダミドの物理化学的性質
融点:173〜174℃
赤外吸収スペクトル(cm−1、KBr):2170、
1580、1550。核磁気共鳴スペクトル(100M
Hz 、(CD3)2SO中):δ(ppm)9.20
(1H,brs)、7.5〜7.2(6H)、7.06
(1H,s)、6.93(1H,d,J=7.7Hz)
、4.93(2H,s)、3.56(2H,m)、2.
99(2H,t,J=6.7Hz)。
質量分析:m/z 372(M+ )Example 7 N-cyano-N'-[2-(2-chlorophenyl)
Production of ethyl]-3-(6-chloro-2H-1-benzopyran)carboximidamide a) Add 6-chloro-3-cyano-2H-1-benzopyran (0.5 g, 2.61 mmol) under ice water cooling. Add saturated hydrogen chloride gas to methanol (35 ml),
Stirred at 0°C for 17.5 hours. After the reaction, saturated aqueous sodium hydrogen carbonate solution was added to the reaction solution, and chloroform (150
ml×3 times). The chloroform layer is saturated Na
After washing with Cl aqueous solution and dehydrating with anhydrous magnesium sulfate,
By concentrating under reduced pressure, methyl=3-(6-chloro-
2H-1-benzopyran)carboximidate (0.
5 g, 2.24 mmol, yield 86%) was obtained as yellow crystals. Next, the crystals were dissolved in acetonitrile (25 ml).
cyanamide (0.18 g, 4.4 mmol) dissolved in
and Na2HPO4 (0.31 g, 2.2 mmol) and NaH2PO4.2H2O (1.37 g, 8.8 mmol)
The mixture was added to a phosphate buffer solution (pH 5.4, 10 ml) with 1) and stirred at room temperature for 21.5 hours. After the reaction, the reaction solution was poured into ice water (200 ml), and chloroform (150 ml x 3
extraction). The chloroform layer was washed with a saturated aqueous NaCl solution, dried over anhydrous magnesium sulfate, and concentrated under reduced pressure to obtain methyl N-cyano-3-(6-chloro-2H-1-benzopyran)carboximidate (
0.52 g, 2.09 mmol, yield 93%) was obtained as yellow crystals. b) Methyl=N-cyano-3-(6
-chloro-2H-1-benzopyran)carboximidate (0.52 g, 2.09 mmol) in methanol (
40 ml), 2-(2-chlorophenyl)ethylamine (0.72 g, 4.6 mmol) was added thereto, and the mixture was stirred at room temperature for 10 minutes. After the reaction, the reaction solution was concentrated under reduced pressure, and the residue was crystallized from diethyl ether/hexane to obtain the title compound (0.47 g, 1.26 mmol, yield 60%) as pale yellow crystals. Physicochemical properties of N-cyano-N'-[2-(2-chlorophenyl)ethyl]-3-(6-chloro-2H-1-benzopyran)carboximidamide Melting point: 173-174℃ Infrared absorption spectrum ( cm-1, KBr): 2170,
1580, 1550. Nuclear magnetic resonance spectrum (100M
Hz, (CD3) in SO): δ (ppm) 9.20
(1H, brs), 7.5-7.2 (6H), 7.06
(1H, s), 6.93 (1H, d, J=7.7Hz)
, 4.93 (2H, s), 3.56 (2H, m), 2.
99 (2H, t, J=6.7Hz). Mass spectrometry: m/z 372 (M+)
【0016】実
施例8
N‐シアノ‐N′‐〔2‐(2‐クロロフェニル)
エチル〕‐3‐(5‐メトキシ‐1‐メチルインドール
)カルボキシイミダミドの製造
a) 3‐シアノ‐5‐メトキシインドール(2.7
7g、16.1mmol)をテトラヒドロフラン(50
ml)に溶解し、0〜10℃で60%水素化ナトリウム
(0.77g、19.3mmol)及びよう化メチル(
2.74g、19.3mmol)を加え、室温で30分
攪拌した。反応後、反応液にメタノール(8ml)及び
水(8ml)を加えて減圧濃縮し、残渣をクロロホルム
(160ml×3回)にて抽出した。クロロホルム層は
水で洗浄し、無水硫酸ナトリウムで脱水後、減圧濃縮し
た。残渣をジエチルエーテル/ヘキサンより結晶化して
3‐シアノ‐5‐メトキシ‐1‐メチルインドール(2
.78g、15mmol、収率93%)を無色結晶とし
て得た。続いてこの結晶に氷水冷下、塩化水素ガスをメ
タノール(50ml)に飽和させて加え、0℃で95時
間攪拌した。反応後、反応液を減圧濃縮し、残渣をクロ
ロホルム(150ml×3回)にて抽出した。クロロホ
ルム層は飽和炭酸水素ナトリウム水溶液(200ml)
で洗浄し、無水硫酸ナトリウムで脱水後、減圧濃縮する
ことにより、メチル=3‐(5‐メトキシ‐1‐メチル
インドール)カルボキシイミデートの粗生成物を淡黄色
結晶として得た。続いてこの結晶をアセトニトリル(3
0ml)に溶解し、シアナミド(1.25g、30mm
ol)及びNa2HPO4(2.2g、15mmol)
とNaH2PO4・2H2O(9.3g、60mmol
)とのリン酸緩衝液(pH5.4、100ml)を加え
、室温で70時間攪拌した。反応後、反応液をクロロホ
ルム(150ml×3回)にて抽出し、クロロホルム層
は無水硫酸ナトリウムで脱水後、減圧濃縮した。残渣を
シリカゲルカラムクロマトグラフィー(ワコーゲルC−
200、70g)に供し、ヘキサン:ジエチルエーテル
(1:1)にて溶出した。溶出区分は減圧濃縮すること
により、メチル=N‐シアノ‐3‐(5‐メトキシ‐1
‐メチルインドール)カルボキシイミデートの粗生成物
(2.19g)を淡黄色結晶として得た。
b) メチル=N‐シアノ‐3‐(5‐メトキシ‐1
‐メチルインドール)カルボキシイミデートの粗生成物
(0.5g)をメタノール(10ml)及びクロロホル
ム(5ml)に溶解し、2‐(2‐クロロフェニル)エ
チルアミン(0.32g、2.05mmol)を加え、
室温で72時間攪拌した。反応後、反応液を減圧濃縮し
、残渣をシリカゲルカラムクロマトグラフィー(ワコー
ゲルC−200、15g)に供し、クロロホルムにて溶
出した。
溶出区分は減圧濃縮することにより、表題の化合物(0
.05g、0.14mmol、収率4%)を無色結晶と
して得た。
N‐シアノ‐N′‐〔2‐(2‐クロロフェニル)エチ
ル〕‐3‐(5‐メトキシ‐1‐メチルインドール)カ
ルボキシイミダミドの物理化学的性質
融点:171〜172℃
赤外吸収スペクトル(cm−1、KBr):2160、
1540。核磁気共鳴スペクトル(100MHz 、C
DCl3中):δ(ppm)8.13(1H,s)、7
.4〜7.1(5H)、6.98(1H,d,J=2.
8Hz)、6.77(1H,d,J=2.8Hz)、3
.90(2H,t,J=6.6Hz)、3.81(3H
,s)、3.70(3H,s)、3.02(2H,t,
J=6.6Hz)。
質量分析:m/z 367(〔M+H〕+ )実施例
9
N‐シアノ‐N′‐(2‐フェニルエチル)‐3‐
(5‐メトキシ‐1‐メチルインドール)カルボキシイ
ミダミドの製造
メチル=N‐シアノ‐3‐(5‐メトキシ‐1‐メ
チルインドール)カルボキシイミデートの粗生成物(0
.5g)をメタノール(10ml)及びクロロホルム(
5ml)に溶解し、2‐フェニルエチルアミン(0.2
5g、2.07mmol)を加え、室温で72時間攪拌
した。
反応後、反応液を減圧濃縮し、残渣をシリカゲルカラム
クロマトグラフィー(ワコーゲルC−200、15g)
に供し、クロロホルムにて溶出した。溶出区分は減圧濃
縮することにより、表題の化合物(0.04g、0.1
2mmol、収率4%)を無色結晶として得た。
N‐シアノ‐N′‐(2‐フェニルエチル)‐3‐(5
‐メトキシ‐1‐メチルインドール)カルボキシイミダ
ミドの物理化学的性質
融点:173〜174℃
赤外吸収スペクトル(cm−1、KBr):2170、
1540。核磁気共鳴スペクトル(100MHz 、C
DCl3中):δ(ppm)8.15(1H,s)、7
.4〜7.1(6H)、7.0〜6.7(2H)、3.
90(2H,t,J=6.7Hz)、3.82(3H,
s)、3.70(3H,s)、3.05(2H,t,J
=6.7Hz)。
質量分析:m/z 333(〔M+H〕+ )Example 8 N-cyano-N'-[2-(2-chlorophenyl)
Preparation of ethyl]-3-(5-methoxy-1-methylindole)carboximidamide a) 3-cyano-5-methoxyindole (2.7
7 g, 16.1 mmol) in tetrahydrofuran (50
ml) and 60% sodium hydride (0.77 g, 19.3 mmol) and methyl iodide (
2.74 g, 19.3 mmol) was added thereto, and the mixture was stirred at room temperature for 30 minutes. After the reaction, methanol (8 ml) and water (8 ml) were added to the reaction solution and concentrated under reduced pressure, and the residue was extracted with chloroform (160 ml x 3). The chloroform layer was washed with water, dried over anhydrous sodium sulfate, and then concentrated under reduced pressure. The residue was crystallized from diethyl ether/hexane to give 3-cyano-5-methoxy-1-methylindole (2
.. 78 g, 15 mmol, yield 93%) was obtained as colorless crystals. Subsequently, hydrogen chloride gas saturated with methanol (50 ml) was added to the crystals under ice-water cooling, and the mixture was stirred at 0° C. for 95 hours. After the reaction, the reaction solution was concentrated under reduced pressure, and the residue was extracted with chloroform (150 ml x 3). The chloroform layer is a saturated aqueous sodium hydrogen carbonate solution (200ml)
The crude product of methyl 3-(5-methoxy-1-methylindole)carboximidate was obtained as pale yellow crystals by washing with water, dehydrating with anhydrous sodium sulfate, and concentrating under reduced pressure. Next, the crystals were dissolved in acetonitrile (3
0 ml) and cyanamide (1.25 g, 30 mm
ol) and Na2HPO4 (2.2 g, 15 mmol)
and NaH2PO4・2H2O (9.3 g, 60 mmol
) was added thereto (pH 5.4, 100 ml) and stirred at room temperature for 70 hours. After the reaction, the reaction solution was extracted with chloroform (150 ml x 3), and the chloroform layer was dehydrated over anhydrous sodium sulfate and then concentrated under reduced pressure. The residue was subjected to silica gel column chromatography (Wakogel C-
200, 70 g) and eluted with hexane:diethyl ether (1:1). The elution fraction was concentrated under reduced pressure to obtain methyl=N-cyano-3-(5-methoxy-1
-Methylindole)carboximidate crude product (2.19 g) was obtained as pale yellow crystals. b) Methyl=N-cyano-3-(5-methoxy-1
-Methylindole)carboximidate crude product (0.5 g) was dissolved in methanol (10 ml) and chloroform (5 ml), 2-(2-chlorophenyl)ethylamine (0.32 g, 2.05 mmol) was added,
Stirred at room temperature for 72 hours. After the reaction, the reaction solution was concentrated under reduced pressure, and the residue was subjected to silica gel column chromatography (Wakogel C-200, 15 g) and eluted with chloroform. The elution fraction was concentrated under reduced pressure to obtain the title compound (0
.. 05 g, 0.14 mmol, yield 4%) was obtained as colorless crystals. Physicochemical properties of N-cyano-N'-[2-(2-chlorophenyl)ethyl]-3-(5-methoxy-1-methylindole)carboximidamide Melting point: 171-172℃ Infrared absorption spectrum (cm -1, KBr): 2160,
1540. Nuclear magnetic resonance spectrum (100MHz, C
in DCl3): δ (ppm) 8.13 (1H, s), 7
.. 4-7.1 (5H), 6.98 (1H, d, J=2.
8Hz), 6.77 (1H, d, J=2.8Hz), 3
.. 90 (2H, t, J = 6.6Hz), 3.81 (3H
, s), 3.70 (3H, s), 3.02 (2H, t,
J=6.6Hz). Mass spectrometry: m/z 367 ([M+H]+) Example 9 N-cyano-N'-(2-phenylethyl)-3-
Production of (5-methoxy-1-methylindole)carboximidamide Crude product of methyl N-cyano-3-(5-methoxy-1-methylindole)carboximidate (0
.. 5g) in methanol (10ml) and chloroform (
5 ml) and 2-phenylethylamine (0.2
5 g, 2.07 mmol) was added thereto, and the mixture was stirred at room temperature for 72 hours. After the reaction, the reaction solution was concentrated under reduced pressure, and the residue was subjected to silica gel column chromatography (Wakogel C-200, 15 g).
and eluted with chloroform. The eluted fraction was concentrated under reduced pressure to obtain the title compound (0.04 g, 0.1
2 mmol, yield 4%) was obtained as colorless crystals. N-cyano-N'-(2-phenylethyl)-3-(5
-Methoxy-1-methylindole) Physicochemical properties of carboxyimidamide Melting point: 173-174°C Infrared absorption spectrum (cm-1, KBr): 2170,
1540. Nuclear magnetic resonance spectrum (100MHz, C
in DCl3): δ (ppm) 8.15 (1H, s), 7
.. 4-7.1 (6H), 7.0-6.7 (2H), 3.
90 (2H, t, J=6.7Hz), 3.82 (3H,
s), 3.70 (3H, s), 3.05 (2H, t, J
= 6.7Hz). Mass spectrometry: m/z 333 ([M+H]+)
【00
17】実施例10
N‐〔2‐(2‐クロロフェニル)エチル〕‐N′
‐シアノ‐3‐(2‐チエニル)プロペニルアミジンの
製造
a) 2‐チオフェンアクリル酸(5g、32.4m
mol)に塩化チオニル(11.46g、96.3mm
ol)を加え、室温で1.5時間攪拌した。さらに氷水
冷下、28%アンモニア水(10ml、0.16mol
)を加え、室温で4時間攪拌した。反応後、反応液に飽
和炭酸カリウム水溶液を加え、クロロホルム(100m
l×3回)にて抽出した。クロロホルム層は無水硫酸ナ
トリウムで脱水後、減圧濃縮することにより、2‐チオ
フェンアクリルアミド(3.03g、19.8mmol
、収率61%)を淡黄色結晶として得た。続いてこの結
晶(1.5g)に硫酸ジメチル(7.71g、61.2
mmol)を加え、100〜105℃で3時間攪拌した
。反応後、反応液に30%炭酸ナトリウム水溶液を加え
、クロロホルム(50ml×2回)にて抽出した。クロ
ロホルム層は無水硫酸マグネシウムで脱水後、減圧濃縮
することにより、メチル=3‐(2‐チエニル)プロペ
ニルイミデートの粗生成物(2.2g)を褐色シラップ
として得た。続いてこのシラップをジクロロメタン(1
0ml)にて溶解し、シアナミド(1.66g、39.
6mmol)及びNa2HPO4(1.87g、13.
2mmol)とNaH2PO4・2H2O(4.12g
、26.4mmol)とのリン酸緩衝液(pH6.0、
20ml)に加え、室温で一晩攪拌した。反応後、反応
液をクロロホルム(50ml×2回)にて抽出した。ク
ロロホルム層は飽和NaCl水溶液で洗浄し、無水硫酸
マグネシウムで脱水後、減圧濃縮した。残渣をシリカゲ
ルカラムクロマトグラフィー(ワコーゲルC−200、
150g)に供し、ヘキサン:アセトン(10:1)に
て溶出した。溶出区分は減圧濃縮することにより、メチ
ル=N‐シアノ‐3‐(2‐チエニル)プロペニルイミ
デート(1.1g、5.73mmol、収率58%)を
淡黄色結晶として得た。b) メチル=N‐シアノ‐
3‐(2‐チエニル)プロペニルイミデート(0.2g
、1.04mmol)をメタノール(10ml)に溶解
し、2‐(2‐クロロフェニル)エチルアミン(0.1
6g、1.04mmol)を加え、室温で1.5時間攪
拌した。反応後、反応液を減圧濃縮し、残渣をジエチル
エーテルより結晶化して表題の化合物(0.28g、0
.89mmol、収率86%)を無色結晶として得た。
N‐〔2‐(2‐クロロフェニル)エチル〕‐N′‐シ
アノ‐3‐(2‐チエニル)プロペニルアミジンの物理
化学的性質
融点:159〜162℃
赤外吸収スペクトル(cm−1、KBr):2170、
1630、1580。核磁気共鳴スペクトル(100M
Hz 、CDCl3中):δ(ppm)7.6〜7.0
(8H)、6.63(1H,d,J=16.1Hz)、
6.15(1H,brs)、3.70(2H,q,J=
6.7Hz)、3.09(2H,t,J=6.7Hz)
。
質量分析:m/z 315(M+ )00
17] Example 10 N-[2-(2-chlorophenyl)ethyl]-N'
-Production of cyano-3-(2-thienyl)propenylamidine a) 2-thiophene acrylic acid (5g, 32.4m
mol) to thionyl chloride (11.46 g, 96.3 mm
ol) was added and stirred at room temperature for 1.5 hours. Furthermore, under ice water cooling, 28% ammonia water (10 ml, 0.16 mol)
) and stirred at room temperature for 4 hours. After the reaction, saturated potassium carbonate aqueous solution was added to the reaction solution, and chloroform (100 m
1 x 3 times). The chloroform layer was dehydrated with anhydrous sodium sulfate and concentrated under reduced pressure to obtain 2-thiophene acrylamide (3.03 g, 19.8 mmol).
, yield 61%) as pale yellow crystals. Next, dimethyl sulfate (7.71 g, 61.2 g) was added to this crystal (1.5 g).
mmol) and stirred at 100-105°C for 3 hours. After the reaction, a 30% aqueous sodium carbonate solution was added to the reaction solution, and the mixture was extracted with chloroform (50 ml x 2). The chloroform layer was dehydrated with anhydrous magnesium sulfate and concentrated under reduced pressure to obtain a crude product (2.2 g) of methyl 3-(2-thienyl)propenylimidate as brown syrup. Next, this syrup was dichloromethane (1
cyanamide (1.66 g, 39.0 ml).
6 mmol) and Na2HPO4 (1.87 g, 13.
2 mmol) and NaH2PO4・2H2O (4.12 g
, 26.4 mmol) in phosphate buffer (pH 6.0,
20 ml) and stirred overnight at room temperature. After the reaction, the reaction solution was extracted with chloroform (50 ml x 2). The chloroform layer was washed with a saturated aqueous NaCl solution, dried over anhydrous magnesium sulfate, and then concentrated under reduced pressure. The residue was subjected to silica gel column chromatography (Wakogel C-200,
150 g) and eluted with hexane:acetone (10:1). The eluted fraction was concentrated under reduced pressure to obtain methyl N-cyano-3-(2-thienyl)propenylimidate (1.1 g, 5.73 mmol, yield 58%) as pale yellow crystals. b) Methyl=N-cyano-
3-(2-thienyl)propenylimidate (0.2g
, 1.04 mmol) was dissolved in methanol (10 ml), and 2-(2-chlorophenyl)ethylamine (0.1
6 g, 1.04 mmol) and stirred at room temperature for 1.5 hours. After the reaction, the reaction solution was concentrated under reduced pressure, and the residue was crystallized from diethyl ether to give the title compound (0.28 g,
.. 89 mmol, yield 86%) was obtained as colorless crystals. Physicochemical properties of N-[2-(2-chlorophenyl)ethyl]-N'-cyano-3-(2-thienyl)propenylamidine Melting point: 159-162°C Infrared absorption spectrum (cm-1, KBr): 2170,
1630, 1580. Nuclear magnetic resonance spectrum (100M
Hz, in CDCl3): δ (ppm) 7.6-7.0
(8H), 6.63 (1H, d, J=16.1Hz),
6.15 (1H, brs), 3.70 (2H, q, J=
6.7Hz), 3.09 (2H, t, J=6.7Hz)
. Mass spectrometry: m/z 315 (M+)
【0018】実
施例11
N‐(2‐フェニルエチル)‐N′‐シアノ‐3‐
(2‐チエニル)プロペニルアミジンの製造 メチル
=N‐シアノ‐3‐(2‐チエニル)プロペニルイミデ
ート(0.2g、1.04mmol)をメタノール(1
0ml)に溶解し、2‐フェニルエチルアミン(0.1
3g、1.04mmol)を加え、室温で5時間攪拌し
た。反応後、反応液を減圧濃縮し、残渣をジエチルエー
テルより結晶化して表題の化合物(0.25g、0.8
9mmol、収率86%)を無色結晶として得た。
N‐(2‐フェニルエチル)‐N′‐シアノ‐3‐(2
‐チエニル)プロペニルアミジンの物理化学的性質
融点:164〜165℃
赤外吸収スペクトル(cm−1、KBr):2180、
1580、1540。核磁気共鳴スペクトル(100M
Hz 、CDCl3中):δ(ppm)7.6〜7.0
(9H)、6.59(1H,d,J=16.4Hz)、
5.82(1H,brs)、3.69(2H,q,J=
7.1Hz)、2.93(2H,t,J=7.1Hz)
。
質量分析:m/z 281(M+ )Example 11 N-(2-phenylethyl)-N'-cyano-3-
Production of (2-thienyl)propenylamidine Methyl N-cyano-3-(2-thienyl)propenylimidate (0.2 g, 1.04 mmol) was mixed with methanol (1
0 ml) and 2-phenylethylamine (0.1
3 g, 1.04 mmol) was added thereto, and the mixture was stirred at room temperature for 5 hours. After the reaction, the reaction solution was concentrated under reduced pressure, and the residue was crystallized from diethyl ether to give the title compound (0.25 g, 0.8
9 mmol, yield 86%) was obtained as colorless crystals. N-(2-phenylethyl)-N'-cyano-3-(2
Physicochemical properties of -thienyl)propenylamidine
Melting point: 164-165°C Infrared absorption spectrum (cm-1, KBr): 2180,
1580, 1540. Nuclear magnetic resonance spectrum (100M
Hz, in CDCl3): δ (ppm) 7.6-7.0
(9H), 6.59 (1H, d, J=16.4Hz),
5.82 (1H, brs), 3.69 (2H, q, J=
7.1Hz), 2.93 (2H, t, J=7.1Hz)
. Mass spectrometry: m/z 281 (M+)
【0019】実
施例12
N‐(2‐ニトロキシエチル)‐N′‐シアノ‐3
‐(2‐チエニル)プロペニルアミジンの製造 2‐
ニトロキシエチルアミン・塩酸塩(0.37g、2.6
mmol)をメタノール(25ml)に溶解し、氷水冷
下、ナトリウムメトキシド(0.12g、2.28mm
ol)を加えた。さらにメチル=N‐シアノ‐3‐(2
‐チエニル)プロペニルイミデート(0.2g、1.0
4mmol)を加え、室温で6日間攪拌した。反応後、
反応液を減圧濃縮し、残渣をクロロホルム(40ml×
2回)にて抽出した。クロロホルム層は無水硫酸ナトリ
ウムで脱水後、減圧濃縮した。残渣をシリカゲルカラム
クロマトグラフィー(ワコーゲルC−200、14g)
に供し、ヘキサン:アセトン(5:1)にて溶出した。
溶出区分は減圧濃縮することにより、表題の化合物(0
.03g、0.11mmol、収率11%)を淡黄色結
晶として得た。
N‐(2‐ニトロキシエチル)‐N′‐シアノ‐3‐(
2‐チエニル)プロペニルアミジンの物理化学的性質
赤外吸収スペクトル(cm−1、CHCl3):21
60、1630、1550。核磁気共鳴スペクトル(1
00MHz 、CDCl3中):δ(ppm)7.67
(1H,d,J=15.8Hz)、7.48(1H,d
,J=5.9Hz)、7.31(1H,d,J=3.8
Hz)、7.09(1H,dd,J=3.8,5.9H
z)、6.64(1H,d,J=15.8Hz)、4.
67(2H,t,J=5.5Hz)、3.80(2H,
q,J=5.5Hz)。
質量分析:m/z 266(M+ )Example 12 N-(2-nitroxyethyl)-N'-cyano-3
-Production of (2-thienyl)propenylamidine 2-
Nitroxyethylamine hydrochloride (0.37g, 2.6
mmol) in methanol (25 ml), and sodium methoxide (0.12 g, 2.28 mmol) was dissolved in methanol (25 ml) under ice water cooling.
ol) was added. Furthermore, methyl=N-cyano-3-(2
-thienyl) propenyl imidate (0.2 g, 1.0
4 mmol) was added thereto, and the mixture was stirred at room temperature for 6 days. After the reaction,
The reaction solution was concentrated under reduced pressure, and the residue was dissolved in chloroform (40 ml×
2 times). The chloroform layer was dehydrated with anhydrous sodium sulfate and then concentrated under reduced pressure. The residue was subjected to silica gel column chromatography (Wakogel C-200, 14 g)
and eluted with hexane:acetone (5:1). The elution fraction was concentrated under reduced pressure to obtain the title compound (0
.. 03 g, 0.11 mmol, yield 11%) was obtained as pale yellow crystals. N-(2-nitroxyethyl)-N'-cyano-3-(
Physicochemical properties of 2-thienyl)propenylamidine
Infrared absorption spectrum (cm-1, CHCl3): 21
60, 1630, 1550. Nuclear magnetic resonance spectrum (1
00MHz, in CDCl3): δ (ppm) 7.67
(1H, d, J = 15.8Hz), 7.48 (1H, d
, J=5.9Hz), 7.31(1H, d, J=3.8
Hz), 7.09 (1H, dd, J=3.8, 5.9H
z), 6.64 (1H, d, J=15.8Hz), 4.
67 (2H, t, J=5.5Hz), 3.80 (2H,
q, J = 5.5Hz). Mass spectrometry: m/z 266 (M+)
【0020】実
施例13
N‐シアノ‐N′‐(2‐ニトロキシエチル)‐2
‐ベンゾチオフェンカルボキシイミダミドの製造a)
ベンゾチオフェン‐2‐カルボキシアミド(1g、5
.65mmol)に硫酸ジメチル(3g、23.8mm
ol)を加え、100〜105℃で2時間攪拌した。反
応後、反応液を減圧濃縮し、30%炭酸ナトリウム水溶
液を加え、クロロホルム(50ml×2回)にて抽出し
た。
クロロホルム層は無水硫酸ナトリウムで脱水後、減圧濃
縮することにより、メチル=2‐ベンゾチオフェンカル
ボキシイミデートの粗生成物(0.95g)を無色結晶
として得た。続いてこの結晶をジクロロメタン(10m
l)に溶解し、シアナミド(0.41g、9.88mm
ol)及びNa2HPO4(0.7g、4.94mmo
l)とNaH2PO4・2H2O(3.08g、19.
8mmol)とのリン酸緩衝液(pH5.4、75ml
)に加え、室温で一晩攪拌した。反応後、反応液をクロ
ロホルム(50ml×2回)にて抽出し、クロロホルム
層は無水硫酸ナトリウムで脱水後、減圧濃縮した。残渣
をシリカゲルカラムクロマトグラフィー(ワコーゲルC
−200、190g)に供し、ヘキサン:アセトン(1
0:1)にて溶出した。溶出区分は減圧濃縮することに
より、メチル=N‐シアノ‐2‐ベンゾチオフェンカル
ボキシイミデート(0.38g、1.77mmol、収
率31%)を無色結晶として得た。b) 2‐ニトロ
キシエチルアミン・塩酸塩(0.19g、1.33mm
ol)をメタノール(14ml)に溶解し、氷水冷下、
ナトリウムメトキシド(0.07g、1.3mmol)
を加えた。さらにメチル=N‐シアノ‐2‐ベンゾチオ
フェンカルボキシイミデート(0.12g、0.56m
mol)を加え、室温で6日間攪拌した。反応後、反応
液を減圧濃縮し、残渣をクロロホルム(40ml×2回
)にて抽出した。クロロホルム層は無水硫酸ナトリウム
で脱水後、減圧濃縮した。残渣をシリカゲルカラムクロ
マトグラフィー(ワコーゲルC−200、15g)に供
し、ヘキサン:アセトン(5:1)にて溶出した。溶出
区分は減圧濃縮することにより、表題の化合物(0.0
8g、0.28mmol、収率50%)を無色結晶とし
て得た。
N‐シアノ‐N′‐(2‐ニトロキシエチル)‐2‐ベ
ンゾチオフェンカルボキシイミダミドの物理化学的性質
融点:133〜134℃
赤外吸収スペクトル(cm−1、KBr):2180、
1640、1570、1280。核磁気共鳴スペクトル
(100MHz 、CDCl3中):δ(ppm)8.
33(1H,s)、7.88(2H,m)、7.46(
2H,m)、6.34(1H,brs)、4.71(2
H,m)、3.89(2H,m)。
質量分析:m/z 290(M+ )Example 13 N-cyano-N'-(2-nitroxyethyl)-2
-Production of benzothiophenecarboximidamide a)
Benzothiophene-2-carboxamide (1g, 5
.. dimethyl sulfate (3 g, 23.8 mmol)
ol) was added and stirred at 100 to 105°C for 2 hours. After the reaction, the reaction solution was concentrated under reduced pressure, a 30% aqueous sodium carbonate solution was added, and the mixture was extracted with chloroform (50 ml x 2). The chloroform layer was dehydrated with anhydrous sodium sulfate and then concentrated under reduced pressure to obtain a crude product (0.95 g) of methyl 2-benzothiophenecarboximidate as colorless crystals. Next, the crystals were dissolved in dichloromethane (10 m
cyanamide (0.41 g, 9.88 mm
ol) and Na2HPO4 (0.7 g, 4.94 mmo
l) and NaH2PO4.2H2O (3.08 g, 19.
8 mmol) and phosphate buffer (pH 5.4, 75 ml)
) and stirred at room temperature overnight. After the reaction, the reaction solution was extracted with chloroform (50 ml x 2), and the chloroform layer was dehydrated over anhydrous sodium sulfate and then concentrated under reduced pressure. The residue was subjected to silica gel column chromatography (Wakogel C
-200, 190g), hexane:acetone (1
0:1). The eluted fraction was concentrated under reduced pressure to obtain methyl N-cyano-2-benzothiophenecarboximidate (0.38 g, 1.77 mmol, yield 31%) as colorless crystals. b) 2-nitroxyethylamine hydrochloride (0.19g, 1.33mm
ol) in methanol (14 ml) and cooled with ice water.
Sodium methoxide (0.07g, 1.3mmol)
added. Furthermore, methyl N-cyano-2-benzothiophenecarboximidate (0.12 g, 0.56 m
mol) and stirred at room temperature for 6 days. After the reaction, the reaction solution was concentrated under reduced pressure, and the residue was extracted with chloroform (40 ml x 2). The chloroform layer was dehydrated with anhydrous sodium sulfate and then concentrated under reduced pressure. The residue was subjected to silica gel column chromatography (Wako Gel C-200, 15 g) and eluted with hexane:acetone (5:1). The elution fraction was concentrated under reduced pressure to obtain the title compound (0.0
8 g, 0.28 mmol, yield 50%) was obtained as colorless crystals. Physicochemical properties of N-cyano-N'-(2-nitroxyethyl)-2-benzothiophenecarboximidamide Melting point: 133-134°C Infrared absorption spectrum (cm-1, KBr): 2180,
1640, 1570, 1280. Nuclear magnetic resonance spectrum (100 MHz, in CDCl3): δ (ppm) 8.
33 (1H, s), 7.88 (2H, m), 7.46 (
2H, m), 6.34 (1H, brs), 4.71 (2
H, m), 3.89 (2H, m). Mass spectrometry: m/z 290 (M+)
【0021】実
施例14
N‐シアノ‐N′‐〔2‐(2‐クロロフェニル)
エチル〕‐3‐ピリジル‐2‐ベンジルオキシイミノア
セトアミジンの製造
a) 3‐ピリジルアセトニトリル(25g、0.2
1mol)を氷水冷下、15%亜硝酸エチルエタノール
溶液(270ml、0.43mol)に溶解し、ナトリ
ウムメトキシド(11.5g、0.21mol)を加え
、室温で一晩攪拌した。反応後、反応液に氷水及び酢酸
(12.6g、0.21mol)を加えた。形成した沈
殿を濾過し、水で洗浄することにより、3‐ピリジル‐
2‐ヒドロキシイミノアセトニトリル(17.2g、0
.12mol 、収率55%)を粉末として得た。続い
てこの粉末(6g、40.8mmol)をN,N‐ジメ
チルホルムアミド(75ml)に溶解し、氷水冷下、6
0%水素化ナトリウム(1.65g、41.4mmol
)を加え、室温で1時間攪拌した。さらに氷水冷下、塩
化ベンジル(5.91g、46.8mmol)を加え、
室温で1.5時間攪拌した。反応後、反応液に塩化アン
モニウム及び水(150ml)を加え、酢酸エチル(3
00ml×2回)にて抽出した。酢酸エチル層は飽和N
aCl水溶液で洗浄し、無水硫酸ナトリウムで脱水後、
減圧濃縮した。残渣をシリカゲルカラムクロマトグラフ
ィー(ワコーゲルC−200、300g)に供し、ヘキ
サン:酢酸エチル(6:1)にて溶出した。溶出区分は
減圧濃縮することにより、3‐ピリジル‐2‐ベンジル
オキシイミノアセトニトリル(9.12g、38.4m
mol、収率94%)を無色結晶として得た。続いてこ
の結晶(8g、33.8mmol)をメタノール(60
0ml)に溶解し、ナトリウムメトキシド(0.2g、
3.7mmol)を加え、室温で一晩攪拌した。反応後
、酢酸(0.24g、4.03mmol)を加えて反応
液を中和し、減圧濃縮することにより、メチル=3‐ピ
リジル‐2‐ベンジルオキシイミノアセトイミデートの
粗生成物を得た。続いてこの粗生成物をアセトニトリル
(30ml)に溶解し、シアナミド(1.42g、33
.8mmol)及びNa2HPO4(2.4g、16.
9mmol)とNaH2PO4・2H2O(10.5g
、67.6mmol)とのリン酸緩衝液(pH5.4、
50ml)を加え、室温で一晩攪拌した。反応後、反応
液を酢酸エチル(100ml×3回)にて抽出した。酢
酸エチル層は飽和NaCl水溶液で洗浄し、無水硫酸ナ
トリウムで脱水後、減圧濃縮した。残渣をシリカゲルカ
ラムクロマトグラフィー(ワコーゲルC−200、20
0g)に供し、ヘキサン:酢酸エチル(3:1)にて溶
出した。溶出区分は減圧濃縮することにより、メチル=
N‐シアノ‐3‐ピリジル‐2‐ベンジルオキシイミノ
アセトイミデート(1.46g、4.97mmol、1
5%)をシラップとして得た。b) メチル=N‐シ
アノ‐3‐ピリジル‐2‐ベンジルオキシイミノアセト
イミデート(0.1g、0.34mmol)をメタノー
ル(3ml)に溶解し、2‐(2‐クロロフェニル)エ
チルアミン(0.06g、0.4mmol)を加え、室
温で3時間攪拌した。反応後、反応液を減圧濃縮し、残
渣をシリカゲルカラムクロマトグラフィー(ワコーゲル
C−200、5g)に供し、クロロホルム:メタノール
(200:1)にて溶出した。
溶出区分は減圧濃縮後、ジエチルエーテルより結晶化し
て表題の化合物(0.09g、0.22mmol、収率
65%)を無色結晶として得た。
N‐シアノ‐N′‐〔2‐(2‐クロロフェニル)エチ
ル〕‐3‐ピリジル‐2‐ベンジルオキシイミノアセト
アミジンの物理化学的性質
融点:127〜129℃
赤外吸収スペクトル(cm−1、KBr):2180、
1605、1580、1560、1485、1335、
755。核磁気共鳴スペクトル(500MHz 、CD
Cl3中):δ(ppm)8.39(1H,t,J=5
.8Hz)、8.16(1H,d,J=1.8Hz)、
8.08(1H,dd,J=1.2,4.9Hz)、7
.55(1H,brd,J=7.9Hz)、7.40〜
7.24(5H,m)、7.14〜7.08(2H,m
)、7.08〜7.02(2H,m)、5.24(2H
,s)、3.74(2H,m)、3.02(2H,t,
J=7.02)。
質量分析:m/z 419(〔M+H〕+ )Example 14 N-cyano-N'-[2-(2-chlorophenyl)
Preparation of ethyl]-3-pyridyl-2-benzyloxyiminoacetamidine a) 3-pyridylacetonitrile (25 g, 0.2
1 mol) was dissolved in a 15% ethyl nitrite ethanol solution (270 ml, 0.43 mol) under ice-water cooling, sodium methoxide (11.5 g, 0.21 mol) was added, and the mixture was stirred at room temperature overnight. After the reaction, ice water and acetic acid (12.6 g, 0.21 mol) were added to the reaction solution. By filtering the formed precipitate and washing with water, 3-pyridyl-
2-Hydroxyiminoacetonitrile (17.2g, 0
.. 12 mol, yield 55%) was obtained as a powder. Subsequently, this powder (6 g, 40.8 mmol) was dissolved in N,N-dimethylformamide (75 ml), and the mixture was cooled with ice water for 6 hours.
0% sodium hydride (1.65g, 41.4mmol
) and stirred at room temperature for 1 hour. Furthermore, benzyl chloride (5.91 g, 46.8 mmol) was added under ice water cooling,
Stirred at room temperature for 1.5 hours. After the reaction, ammonium chloride and water (150 ml) were added to the reaction solution, and ethyl acetate (3
00ml x 2). The ethyl acetate layer is saturated with N
After washing with aCl aqueous solution and dehydrating with anhydrous sodium sulfate,
It was concentrated under reduced pressure. The residue was subjected to silica gel column chromatography (Wako Gel C-200, 300 g) and eluted with hexane:ethyl acetate (6:1). The elution fraction was concentrated under reduced pressure to obtain 3-pyridyl-2-benzyloxyiminoacetonitrile (9.12 g, 38.4 m
mol, yield 94%) was obtained as colorless crystals. Subsequently, this crystal (8 g, 33.8 mmol) was mixed with methanol (60 g, 33.8 mmol).
0ml) and sodium methoxide (0.2g,
3.7 mmol) was added thereto, and the mixture was stirred at room temperature overnight. After the reaction, the reaction solution was neutralized by adding acetic acid (0.24 g, 4.03 mmol) and concentrated under reduced pressure to obtain a crude product of methyl 3-pyridyl-2-benzyloxyiminoacetimidate. . This crude product was then dissolved in acetonitrile (30 ml) and cyanamide (1.42 g, 33
.. 8 mmol) and Na2HPO4 (2.4 g, 16.
9 mmol) and NaH2PO4・2H2O (10.5 g
, 67.6 mmol) in phosphate buffer (pH 5.4,
50 ml) was added thereto, and the mixture was stirred at room temperature overnight. After the reaction, the reaction solution was extracted with ethyl acetate (100 ml x 3). The ethyl acetate layer was washed with a saturated aqueous NaCl solution, dried over anhydrous sodium sulfate, and then concentrated under reduced pressure. The residue was subjected to silica gel column chromatography (Wakogel C-200, 20
0g) and eluted with hexane:ethyl acetate (3:1). The elution fraction is concentrated under reduced pressure to obtain methyl
N-cyano-3-pyridyl-2-benzyloxyiminoacetimidate (1.46 g, 4.97 mmol, 1
5%) was obtained as syrup. b) Methyl N-cyano-3-pyridyl-2-benzyloxyiminoacetimidate (0.1 g, 0.34 mmol) was dissolved in methanol (3 ml) and 2-(2-chlorophenyl)ethylamine (0.06 g) , 0.4 mmol) and stirred at room temperature for 3 hours. After the reaction, the reaction solution was concentrated under reduced pressure, and the residue was subjected to silica gel column chromatography (Wakogel C-200, 5 g) and eluted with chloroform:methanol (200:1). The eluted fraction was concentrated under reduced pressure and then crystallized from diethyl ether to obtain the title compound (0.09 g, 0.22 mmol, yield 65%) as colorless crystals. Physicochemical properties of N-cyano-N'-[2-(2-chlorophenyl)ethyl]-3-pyridyl-2-benzyloxyiminoacetamidine Melting point: 127-129℃ Infrared absorption spectrum (cm-1, KBr ):2180,
1605, 1580, 1560, 1485, 1335,
755. Nuclear magnetic resonance spectrum (500MHz, CD
in Cl3): δ (ppm) 8.39 (1H, t, J = 5
.. 8Hz), 8.16 (1H, d, J=1.8Hz),
8.08 (1H, dd, J=1.2, 4.9Hz), 7
.. 55 (1H,brd,J=7.9Hz), 7.40~
7.24 (5H, m), 7.14-7.08 (2H, m
), 7.08-7.02 (2H, m), 5.24 (2H
, s), 3.74 (2H, m), 3.02 (2H, t,
J=7.02). Mass spectrometry: m/z 419 ([M+H]+)
【00
22】実施例15
N‐シアノ‐N′‐(2‐ニトロキシエチル)‐3
‐ピリジル‐2‐ベンジルオキシイミノアセトアミジン
およびその塩酸塩の製造
2‐ニトロキシエチルアミン・塩酸塩(0.42g
、2.95mmol)をメタノール(20ml)に溶解
し、氷水冷下、ナトリウムメトキシド(0.14g、2
.59mmol)を加えた。さらにメチル=N‐シノア
‐3‐ピリジル‐2‐ベンジルオキシイミノアセトイミ
デート(0.57g、1.94mmol)を加え、室温
で6.5時間攪拌した。反応後、反応液を減圧濃縮し、
残渣をシリカゲルカラムクロマトグラフィー(ワコーゲ
ルC−200、50g)に供し、クロロホルム:メタノ
ール(100:1)にて溶出した。溶出区分は減圧濃縮
することにより、表題の化合物をシラップとして得た。
さらにシラップを10%塩化水素メタノール溶液に溶解
し、減圧濃縮した。残渣をメタノール/ジエチルエーテ
ルより結晶化して表題の塩酸塩を吸湿性粉体として得た
。
N‐シアノ‐N′‐(2‐ニトロキシエチル)‐3‐ピ
リジル‐2‐ベンジルオキシイミノアセトアミジンの物
理化学的性質
核磁気共鳴スペクトル(500MHz 、CDCl
3中):δ(ppm)8.46(1H,d,J=1.8
Hz)、8.38(1H,brd,J=4.9Hz)、
7.78(1H,brd,J=7.9Hz)、7.44
〜7.32(5H,m)、7.23(1H,dd,J=
4.9,7.9Hz)、5.28(1H,s)、4.6
6(2H,m)、3.82(2H,t,J=4.9Hz
)。
N‐シアノ‐N′‐(2‐ニトロキシエチル)‐3‐ピ
リジル‐2‐ベンジルオキシイミノアセトアミジン・塩
酸塩の物理化学的性質
赤外吸収スペクトル(cm−1、KBr):218
0、1690、1640、1600、1280、100
0。00
22] Example 15 N-cyano-N'-(2-nitroxyethyl)-3
-Production of pyridyl-2-benzyloxyiminoacetamidine and its hydrochloride 2-nitroxyethylamine hydrochloride (0.42g
, 2.95 mmol) was dissolved in methanol (20 ml), and sodium methoxide (0.14 g, 2
.. 59 mmol) was added. Furthermore, methyl N-cynoa-3-pyridyl-2-benzyloxyiminoacetimidate (0.57 g, 1.94 mmol) was added, and the mixture was stirred at room temperature for 6.5 hours. After the reaction, the reaction solution was concentrated under reduced pressure,
The residue was subjected to silica gel column chromatography (Wako Gel C-200, 50 g) and eluted with chloroform:methanol (100:1). The eluted fraction was concentrated under reduced pressure to obtain the title compound as syrup. Furthermore, the syrup was dissolved in a 10% hydrogen chloride methanol solution and concentrated under reduced pressure. The residue was crystallized from methanol/diethyl ether to give the title hydrochloride salt as a hygroscopic powder. Physicochemical properties of N-cyano-N'-(2-nitroxyethyl)-3-pyridyl-2-benzyloxyiminoacetamidine Nuclear magnetic resonance spectrum (500 MHz, CDCl
3): δ (ppm) 8.46 (1H, d, J = 1.8
Hz), 8.38 (1H,brd,J=4.9Hz),
7.78 (1H,brd,J=7.9Hz), 7.44
~7.32 (5H, m), 7.23 (1H, dd, J=
4.9, 7.9Hz), 5.28 (1H, s), 4.6
6 (2H, m), 3.82 (2H, t, J = 4.9Hz
). Physicochemical properties of N-cyano-N'-(2-nitroxyethyl)-3-pyridyl-2-benzyloxyiminoacetamidine hydrochloride Infrared absorption spectrum (cm-1, KBr): 218
0, 1690, 1640, 1600, 1280, 100
0.
Claims (1)
ド誘導体。 【化1】 〔式中、置換基は下記のように定義されるものである。 Xは 【化2】 【化3】 もしくはその酸付加体、 【化4】 または 【化5】 もしくはその酸付加体を表わし、Yは 【化6】 (ここでRは塩素原子または水素原子を表わす)または
−(CH2)2ONO2を表わす。〕1. A carboxyimidamide derivative represented by the following formula (I). [Formula 1] [In the formula, the substituents are defined as below. and ) or -(CH2)2ONO2. ]
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JP2415956A JP2974791B2 (en) | 1990-12-28 | 1990-12-28 | Carboximidamide derivative |
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JP2415956A JP2974791B2 (en) | 1990-12-28 | 1990-12-28 | Carboximidamide derivative |
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JPH04295473A true JPH04295473A (en) | 1992-10-20 |
JP2974791B2 JP2974791B2 (en) | 1999-11-10 |
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JP2415956A Expired - Fee Related JP2974791B2 (en) | 1990-12-28 | 1990-12-28 | Carboximidamide derivative |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006017406A1 (en) * | 2004-08-02 | 2006-02-16 | Abbott Laboratories | Cyanoamidine p2x7 antagonists for the treatment of pain |
-
1990
- 1990-12-28 JP JP2415956A patent/JP2974791B2/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006017406A1 (en) * | 2004-08-02 | 2006-02-16 | Abbott Laboratories | Cyanoamidine p2x7 antagonists for the treatment of pain |
US7241776B2 (en) | 2004-08-02 | 2007-07-10 | Abbott Laboratories | Cyanoamidine P2X7 antagonists for the treatment of pain |
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JP2974791B2 (en) | 1999-11-10 |
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