NO172049B - Analogifremgangsmaate for fremstilling av terapeutisk aktive salpetersyreesterderivater - Google Patents
Analogifremgangsmaate for fremstilling av terapeutisk aktive salpetersyreesterderivater Download PDFInfo
- Publication number
- NO172049B NO172049B NO883208A NO883208A NO172049B NO 172049 B NO172049 B NO 172049B NO 883208 A NO883208 A NO 883208A NO 883208 A NO883208 A NO 883208A NO 172049 B NO172049 B NO 172049B
- Authority
- NO
- Norway
- Prior art keywords
- nujol
- thiazolecarboxamide
- nitrooxyethyl
- nmr
- ppm
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- 230000001225 therapeutic effect Effects 0.000 title abstract description 4
- 239000002253 acid Substances 0.000 title description 9
- 150000001875 compounds Chemical class 0.000 claims abstract description 70
- 150000003839 salts Chemical class 0.000 claims abstract description 39
- 125000000217 alkyl group Chemical group 0.000 claims abstract description 16
- 125000003917 carbamoyl group Chemical group [H]N([H])C(*)=O 0.000 claims abstract description 9
- 239000001257 hydrogen Substances 0.000 claims abstract description 9
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 9
- 229910052736 halogen Inorganic materials 0.000 claims abstract description 7
- 150000002367 halogens Chemical class 0.000 claims abstract description 7
- 125000001893 nitrooxy group Chemical group [O-][N+](=O)O* 0.000 claims abstract description 5
- 125000005529 alkyleneoxy group Chemical group 0.000 claims abstract description 4
- -1 morpholino, piperidino, amino Chemical group 0.000 claims description 66
- 238000004519 manufacturing process Methods 0.000 claims description 9
- 125000004169 (C1-C6) alkyl group Chemical group 0.000 claims description 8
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 6
- RIIGJBMAJBLGOX-UHFFFAOYSA-N 2-[(2-methyl-1,3-thiazole-4-carbonyl)amino]ethyl nitrate Chemical compound CC1=NC(C(=O)NCCO[N+]([O-])=O)=CS1 RIIGJBMAJBLGOX-UHFFFAOYSA-N 0.000 claims description 5
- 125000004890 (C1-C6) alkylamino group Chemical group 0.000 claims description 4
- 125000003161 (C1-C6) alkylene group Chemical group 0.000 claims description 4
- 125000005236 alkanoylamino group Chemical group 0.000 claims description 4
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- 239000007858 starting material Substances 0.000 claims description 4
- AENONZUNNOGDRT-UHFFFAOYSA-N 2-(1,3-thiazole-4-carbonylamino)ethyl nitrate Chemical compound [O-][N+](=O)OCCNC(=O)C1=CSC=N1 AENONZUNNOGDRT-UHFFFAOYSA-N 0.000 claims description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 3
- 125000004466 alkoxycarbonylamino group Chemical group 0.000 claims description 3
- 125000003277 amino group Chemical group 0.000 claims description 3
- 125000004209 (C1-C8) alkyl group Chemical group 0.000 claims description 2
- 125000003342 alkenyl group Chemical group 0.000 claims description 2
- 125000005281 alkyl ureido group Chemical group 0.000 claims description 2
- 125000000043 benzamido group Chemical group [H]N([*])C(=O)C1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 claims description 2
- 230000000802 nitrating effect Effects 0.000 claims description 2
- 125000006501 nitrophenyl group Chemical group 0.000 claims description 2
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 2
- 125000004076 pyridyl group Chemical group 0.000 claims description 2
- 150000002431 hydrogen Chemical class 0.000 claims 3
- 125000002947 alkylene group Chemical group 0.000 abstract description 9
- 125000004435 hydrogen atom Chemical class [H]* 0.000 abstract description 6
- 230000000304 vasodilatating effect Effects 0.000 abstract description 6
- 208000024172 Cardiovascular disease Diseases 0.000 abstract description 4
- 125000003282 alkyl amino group Chemical group 0.000 abstract description 4
- 125000001475 halogen functional group Chemical group 0.000 abstract description 2
- 125000001424 substituent group Chemical group 0.000 abstract 3
- 125000004450 alkenylene group Chemical group 0.000 abstract 1
- 125000003118 aryl group Chemical group 0.000 abstract 1
- 125000000623 heterocyclic group Chemical group 0.000 abstract 1
- 239000008194 pharmaceutical composition Substances 0.000 abstract 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 abstract 1
- 238000001819 mass spectrum Methods 0.000 description 75
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 33
- IAZDPXIOMUYVGZ-WFGJKAKNSA-N Dimethyl sulfoxide Chemical compound [2H]C([2H])([2H])S(=O)C([2H])([2H])[2H] IAZDPXIOMUYVGZ-WFGJKAKNSA-N 0.000 description 24
- 238000006243 chemical reaction Methods 0.000 description 16
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 15
- 238000000354 decomposition reaction Methods 0.000 description 14
- 239000000203 mixture Substances 0.000 description 13
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 12
- 238000002844 melting Methods 0.000 description 10
- 230000008018 melting Effects 0.000 description 10
- 239000002904 solvent Substances 0.000 description 10
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 9
- 229910017604 nitric acid Inorganic materials 0.000 description 9
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- OAYLNYINCPYISS-UHFFFAOYSA-N ethyl acetate;hexane Chemical compound CCCCCC.CCOC(C)=O OAYLNYINCPYISS-UHFFFAOYSA-N 0.000 description 7
- 238000012360 testing method Methods 0.000 description 7
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 description 6
- ZAFNJMIOTHYJRJ-UHFFFAOYSA-N Diisopropyl ether Chemical compound CC(C)OC(C)C ZAFNJMIOTHYJRJ-UHFFFAOYSA-N 0.000 description 6
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 6
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 6
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 6
- OYJXTOVLKZDGFK-UHFFFAOYSA-N ethanol;2-propan-2-yloxypropane Chemical compound CCO.CC(C)OC(C)C OYJXTOVLKZDGFK-UHFFFAOYSA-N 0.000 description 6
- WDCDAAMJNUHOIY-UHFFFAOYSA-N ethyl acetate;2-propan-2-yloxypropane Chemical compound CCOC(C)=O.CC(C)OC(C)C WDCDAAMJNUHOIY-UHFFFAOYSA-N 0.000 description 6
- XHXFXVLFKHQFAL-UHFFFAOYSA-N phosphoryl trichloride Chemical compound ClP(Cl)(Cl)=O XHXFXVLFKHQFAL-UHFFFAOYSA-N 0.000 description 6
- 239000000243 solution Substances 0.000 description 6
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 5
- 150000002148 esters Chemical group 0.000 description 5
- 239000011780 sodium chloride Substances 0.000 description 5
- 239000000725 suspension Substances 0.000 description 5
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 4
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 4
- 241000700159 Rattus Species 0.000 description 4
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 4
- 239000007864 aqueous solution Substances 0.000 description 4
- 238000007796 conventional method Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- RHMQNXNXUZLEIY-UHFFFAOYSA-N methanol;2-propan-2-yloxypropane Chemical compound OC.CC(C)OC(C)C RHMQNXNXUZLEIY-UHFFFAOYSA-N 0.000 description 4
- XQYZDYMELSJDRZ-UHFFFAOYSA-N papaverine Chemical compound C1=C(OC)C(OC)=CC=C1CC1=NC=CC2=CC(OC)=C(OC)C=C12 XQYZDYMELSJDRZ-UHFFFAOYSA-N 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- FYSNRJHAOHDILO-UHFFFAOYSA-N thionyl chloride Chemical compound ClS(Cl)=O FYSNRJHAOHDILO-UHFFFAOYSA-N 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 3
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 229940126062 Compound A Drugs 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- NLDMNSXOCDLTTB-UHFFFAOYSA-N Heterophylliin A Natural products O1C2COC(=O)C3=CC(O)=C(O)C(O)=C3C3=C(O)C(O)=C(O)C=C3C(=O)OC2C(OC(=O)C=2C=C(O)C(O)=C(O)C=2)C(O)C1OC(=O)C1=CC(O)=C(O)C(O)=C1 NLDMNSXOCDLTTB-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 3
- 150000008065 acid anhydrides Chemical class 0.000 description 3
- 239000004480 active ingredient Substances 0.000 description 3
- 210000000709 aorta Anatomy 0.000 description 3
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 3
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 3
- RAXXELZNTBOGNW-UHFFFAOYSA-N imidazole Natural products C1=CNC=N1 RAXXELZNTBOGNW-UHFFFAOYSA-N 0.000 description 3
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 3
- 235000019341 magnesium sulphate Nutrition 0.000 description 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-N phosphoric acid Substances OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 3
- 229920006395 saturated elastomer Polymers 0.000 description 3
- 239000003071 vasodilator agent Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- VBICKXHEKHSIBG-UHFFFAOYSA-N 1-monostearoylglycerol Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCC(O)CO VBICKXHEKHSIBG-UHFFFAOYSA-N 0.000 description 2
- OWPHQRDFTOKUPY-UHFFFAOYSA-N 2-(1,3-thiazole-2-carbonylamino)ethyl nitrate Chemical compound [O-][N+](=O)OCCNC(=O)C1=NC=CS1 OWPHQRDFTOKUPY-UHFFFAOYSA-N 0.000 description 2
- QWYISUDRMJNSRN-UHFFFAOYSA-N 2-(1,3-thiazole-5-carbonylamino)ethyl nitrate;hydrochloride Chemical compound Cl.[O-][N+](=O)OCCNC(=O)C1=CN=CS1 QWYISUDRMJNSRN-UHFFFAOYSA-N 0.000 description 2
- OOEGJISCLMNPAB-UHFFFAOYSA-N 2-[(2,4-dimethyl-1,3-thiazole-5-carbonyl)amino]ethyl nitrate;hydrochloride Chemical compound Cl.CC1=NC(C)=C(C(=O)NCCO[N+]([O-])=O)S1 OOEGJISCLMNPAB-UHFFFAOYSA-N 0.000 description 2
- VZOCVIJXSBWNRE-UHFFFAOYSA-N 2-[(2,5-dimethyl-1,3-thiazole-4-carbonyl)amino]ethyl nitrate Chemical compound CC1=NC(C(=O)NCCO[N+]([O-])=O)=C(C)S1 VZOCVIJXSBWNRE-UHFFFAOYSA-N 0.000 description 2
- DJBSJKGPBNJRMD-UHFFFAOYSA-N 2-[(2-acetamido-1,3-thiazole-4-carbonyl)amino]ethyl nitrate Chemical compound CC(=O)NC1=NC(C(=O)NCCO[N+]([O-])=O)=CS1 DJBSJKGPBNJRMD-UHFFFAOYSA-N 0.000 description 2
- RCALRFADAUJHMS-UHFFFAOYSA-N 2-[(2-amino-1,3-thiazole-4-carbonyl)amino]ethyl nitrate Chemical compound NC1=NC(C(=O)NCCO[N+]([O-])=O)=CS1 RCALRFADAUJHMS-UHFFFAOYSA-N 0.000 description 2
- ABELFJQQMPSDBG-UHFFFAOYSA-N 2-[(2-benzamido-1,3-thiazole-4-carbonyl)amino]ethyl nitrate Chemical compound [O-][N+](=O)OCCNC(=O)C1=CSC(NC(=O)C=2C=CC=CC=2)=N1 ABELFJQQMPSDBG-UHFFFAOYSA-N 0.000 description 2
- DSBJVASROCXMIA-UHFFFAOYSA-N 2-[(2-butyl-1,3-thiazole-4-carbonyl)amino]ethyl nitrate;hydrochloride Chemical compound Cl.CCCCC1=NC(C(=O)NCCO[N+]([O-])=O)=CS1 DSBJVASROCXMIA-UHFFFAOYSA-N 0.000 description 2
- AYNZOIWPHUCYNJ-UHFFFAOYSA-N 2-[(2-chloro-1,3-thiazole-4-carbonyl)amino]ethyl nitrate Chemical compound [O-][N+](=O)OCCNC(=O)C1=CSC(Cl)=N1 AYNZOIWPHUCYNJ-UHFFFAOYSA-N 0.000 description 2
- AHZZASMDQQYORI-UHFFFAOYSA-N 2-[(2-methyl-1,3-oxazole-4-carbonyl)amino]ethyl nitrate Chemical compound CC1=NC(C(=O)NCCO[N+]([O-])=O)=CO1 AHZZASMDQQYORI-UHFFFAOYSA-N 0.000 description 2
- SNQOWGIOWRKUPX-UHFFFAOYSA-N 2-[(2-methyl-1,3-thiazole-4-carbonyl)amino]ethyl nitrate;hydrochloride Chemical compound Cl.CC1=NC(C(=O)NCCO[N+]([O-])=O)=CS1 SNQOWGIOWRKUPX-UHFFFAOYSA-N 0.000 description 2
- QXCIRCYLJYOPGA-UHFFFAOYSA-N 2-[(2-methyl-1,3-thiazole-5-carbonyl)amino]ethyl nitrate;hydrochloride Chemical compound Cl.CC1=NC=C(C(=O)NCCO[N+]([O-])=O)S1 QXCIRCYLJYOPGA-UHFFFAOYSA-N 0.000 description 2
- KDXZLLMKNDBSTM-UHFFFAOYSA-N 2-[(2-morpholin-4-yl-1,3-thiazole-4-carbonyl)amino]ethyl nitrate Chemical compound [O-][N+](=O)OCCNC(=O)C1=CSC(N2CCOCC2)=N1 KDXZLLMKNDBSTM-UHFFFAOYSA-N 0.000 description 2
- JTQVQBSUODKTPQ-UHFFFAOYSA-N 2-[(2-phenyl-1,3-thiazole-4-carbonyl)amino]ethyl nitrate Chemical compound [O-][N+](=O)OCCNC(=O)C1=CSC(C=2C=CC=CC=2)=N1 JTQVQBSUODKTPQ-UHFFFAOYSA-N 0.000 description 2
- ABZYZZKCFZFOCI-UHFFFAOYSA-N 2-[(2-phenyl-1,3-thiazole-5-carbonyl)amino]ethyl nitrate Chemical compound S1C(C(=O)NCCO[N+](=O)[O-])=CN=C1C1=CC=CC=C1 ABZYZZKCFZFOCI-UHFFFAOYSA-N 0.000 description 2
- HGSJJFOQONSQLG-UHFFFAOYSA-N 2-[(2-piperidin-1-yl-1,3-thiazole-4-carbonyl)amino]ethyl nitrate Chemical compound [O-][N+](=O)OCCNC(=O)C1=CSC(N2CCCCC2)=N1 HGSJJFOQONSQLG-UHFFFAOYSA-N 0.000 description 2
- XASCGGUEZZEHRX-UHFFFAOYSA-N 2-[(2-pyridin-3-yl-1,3-thiazole-4-carbonyl)amino]ethyl nitrate Chemical compound [O-][N+](=O)OCCNC(=O)C1=CSC(C=2C=NC=CC=2)=N1 XASCGGUEZZEHRX-UHFFFAOYSA-N 0.000 description 2
- BZWITTPSHFUOOF-UHFFFAOYSA-N 2-[(4-methyl-1,3-thiazole-5-carbonyl)amino]ethyl nitrate;hydrochloride Chemical compound Cl.CC=1N=CSC=1C(=O)NCCO[N+]([O-])=O BZWITTPSHFUOOF-UHFFFAOYSA-N 0.000 description 2
- GZODGNIEDWKJNX-UHFFFAOYSA-N 2-[(5-methyl-1,3-thiazole-2-carbonyl)amino]ethyl nitrate Chemical compound CC1=CN=C(C(=O)NCCO[N+]([O-])=O)S1 GZODGNIEDWKJNX-UHFFFAOYSA-N 0.000 description 2
- GFIFGDSAIXRQET-UHFFFAOYSA-N 2-[2-(1,3-thiazole-4-carbonylamino)ethoxy]ethyl nitrate;hydrochloride Chemical compound Cl.[O-][N+](=O)OCCOCCNC(=O)C1=CSC=N1 GFIFGDSAIXRQET-UHFFFAOYSA-N 0.000 description 2
- WIKSPNVDTDRXED-UHFFFAOYSA-N 2-[2-(1,3-thiazole-5-carbonylamino)ethoxy]ethyl nitrate Chemical compound [O-][N+](=O)OCCOCCNC(=O)C1=CN=CS1 WIKSPNVDTDRXED-UHFFFAOYSA-N 0.000 description 2
- GLXPWXOTKWXGIR-UHFFFAOYSA-N 2-[2-[(2-methyl-1,3-thiazole-4-carbonyl)amino]ethoxy]ethyl nitrate;hydrochloride Chemical compound Cl.CC1=NC(C(=O)NCCOCCO[N+]([O-])=O)=CS1 GLXPWXOTKWXGIR-UHFFFAOYSA-N 0.000 description 2
- WDMMRYDALHANQL-UHFFFAOYSA-N 2-[2-[(2-methyl-1,3-thiazole-5-carbonyl)amino]ethoxy]ethyl nitrate Chemical compound CC1=NC=C(C(=O)NCCOCCO[N+]([O-])=O)S1 WDMMRYDALHANQL-UHFFFAOYSA-N 0.000 description 2
- YHGSDVNEGUZSBV-OWOJBTEDSA-N 2-[[(e)-3-(1,3-thiazol-4-yl)prop-2-enoyl]amino]ethyl nitrate Chemical compound [O-][N+](=O)OCCNC(=O)\C=C\C1=CSC=N1 YHGSDVNEGUZSBV-OWOJBTEDSA-N 0.000 description 2
- ADPAFECVUGVREY-NSCUHMNNSA-N 2-[[(e)-3-(2-methyl-1,3-thiazol-4-yl)prop-2-enoyl]amino]ethyl nitrate Chemical compound CC1=NC(\C=C\C(=O)NCCO[N+]([O-])=O)=CS1 ADPAFECVUGVREY-NSCUHMNNSA-N 0.000 description 2
- SOEYRRFZNFBNQA-UHFFFAOYSA-N 2-[[2-(2-acetamido-1,3-thiazol-4-yl)acetyl]amino]ethyl nitrate;hydrochloride Chemical compound Cl.CC(=O)NC1=NC(CC(=O)NCCO[N+]([O-])=O)=CS1 SOEYRRFZNFBNQA-UHFFFAOYSA-N 0.000 description 2
- SPVZMYUXHIDJMJ-UHFFFAOYSA-N 2-[[2-(2-nitrooxyethylcarbamoyl)-1,3-thiazole-4-carbonyl]amino]ethyl nitrate Chemical compound [O-][N+](=O)OCCNC(=O)C1=CSC(C(=O)NCCO[N+]([O-])=O)=N1 SPVZMYUXHIDJMJ-UHFFFAOYSA-N 0.000 description 2
- SFVROERVNZWHPX-UHFFFAOYSA-N 2-[[2-(2-nitrophenyl)-1,3-thiazole-4-carbonyl]amino]ethyl nitrate Chemical compound [O-][N+](=O)OCCNC(=O)C1=CSC(C=2C(=CC=CC=2)[N+]([O-])=O)=N1 SFVROERVNZWHPX-UHFFFAOYSA-N 0.000 description 2
- UAZNQPSTAIXWPO-UHFFFAOYSA-N 2-[[2-(3-nitrophenyl)-1,3-thiazole-4-carbonyl]amino]ethyl nitrate Chemical compound [O-][N+](=O)OCCNC(=O)C1=CSC(C=2C=C(C=CC=2)[N+]([O-])=O)=N1 UAZNQPSTAIXWPO-UHFFFAOYSA-N 0.000 description 2
- WOUVMLWQZOMUKK-UHFFFAOYSA-N 2-[[2-(butanoylamino)-1,3-thiazole-4-carbonyl]amino]ethyl nitrate Chemical compound CCCC(=O)NC1=NC(C(=O)NCCO[N+]([O-])=O)=CS1 WOUVMLWQZOMUKK-UHFFFAOYSA-N 0.000 description 2
- BNTBGOALUXSSRV-UHFFFAOYSA-N 2-[[2-(dimethylamino)-1,3-thiazole-4-carbonyl]amino]ethyl nitrate Chemical compound CN(C)C1=NC(C(=O)NCCO[N+]([O-])=O)=CS1 BNTBGOALUXSSRV-UHFFFAOYSA-N 0.000 description 2
- ZBGHVTCHXBFWBD-UHFFFAOYSA-N 2-[[2-(dodecanoylamino)-1,3-thiazole-4-carbonyl]amino]ethyl nitrate Chemical compound CCCCCCCCCCCC(=O)NC1=NC(C(=O)NCCO[N+]([O-])=O)=CS1 ZBGHVTCHXBFWBD-UHFFFAOYSA-N 0.000 description 2
- HLVKTSOMAKFXEU-UHFFFAOYSA-N 2-[[2-(methylamino)-1,3-thiazole-4-carbonyl]amino]ethyl nitrate Chemical compound CNC1=NC(C(=O)NCCO[N+]([O-])=O)=CS1 HLVKTSOMAKFXEU-UHFFFAOYSA-N 0.000 description 2
- KIIACFJCVHKXIK-UHFFFAOYSA-N 2-[[2-(methylcarbamoylamino)-1,3-thiazole-4-carbonyl]amino]ethyl nitrate Chemical compound CNC(=O)NC1=NC(C(=O)NCCO[N+]([O-])=O)=CS1 KIIACFJCVHKXIK-UHFFFAOYSA-N 0.000 description 2
- FBAPSIYJPKHFSF-UHFFFAOYSA-N 2-[[2-(trifluoromethyl)-1,3-thiazole-4-carbonyl]amino]ethyl nitrate Chemical compound [O-][N+](=O)OCCNC(=O)C1=CSC(C(F)(F)F)=N1 FBAPSIYJPKHFSF-UHFFFAOYSA-N 0.000 description 2
- CMILWJSYOIBLQZ-UHFFFAOYSA-N 2-[[2-(trifluoromethyl)-1,3-thiazole-5-carbonyl]amino]ethyl nitrate Chemical compound [O-][N+](=O)OCCNC(=O)C1=CN=C(C(F)(F)F)S1 CMILWJSYOIBLQZ-UHFFFAOYSA-N 0.000 description 2
- MFBJTTCWXDPZTK-UHFFFAOYSA-N 2-[[2-[(dimethylamino)methyl]-1,3-thiazole-4-carbonyl]amino]ethyl nitrate;hydrochloride Chemical compound Cl.CN(C)CC1=NC(C(=O)NCCO[N+]([O-])=O)=CS1 MFBJTTCWXDPZTK-UHFFFAOYSA-N 0.000 description 2
- HZFQJCSANSIKJB-UHFFFAOYSA-N 2-[[2-[acetyl(methyl)amino]-1,3-thiazole-4-carbonyl]amino]ethyl nitrate Chemical compound CC(=O)N(C)C1=NC(C(=O)NCCO[N+]([O-])=O)=CS1 HZFQJCSANSIKJB-UHFFFAOYSA-N 0.000 description 2
- IZHVBANLECCAGF-UHFFFAOYSA-N 2-hydroxy-3-(octadecanoyloxy)propyl octadecanoate Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCC(O)COC(=O)CCCCCCCCCCCCCCCCC IZHVBANLECCAGF-UHFFFAOYSA-N 0.000 description 2
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D277/00—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings
- C07D277/02—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings not condensed with other rings
- C07D277/20—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
- C07D277/22—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms
- C07D277/26—Radicals substituted by sulfur atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D263/00—Heterocyclic compounds containing 1,3-oxazole or hydrogenated 1,3-oxazole rings
- C07D263/02—Heterocyclic compounds containing 1,3-oxazole or hydrogenated 1,3-oxazole rings not condensed with other rings
- C07D263/30—Heterocyclic compounds containing 1,3-oxazole or hydrogenated 1,3-oxazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
- C07D263/34—Heterocyclic compounds containing 1,3-oxazole or hydrogenated 1,3-oxazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P9/00—Drugs for disorders of the cardiovascular system
- A61P9/08—Vasodilators for multiple indications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P9/00—Drugs for disorders of the cardiovascular system
- A61P9/10—Drugs for disorders of the cardiovascular system for treating ischaemic or atherosclerotic diseases, e.g. antianginal drugs, coronary vasodilators, drugs for myocardial infarction, retinopathy, cerebrovascula insufficiency, renal arteriosclerosis
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P9/00—Drugs for disorders of the cardiovascular system
- A61P9/12—Antihypertensives
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D277/00—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings
- C07D277/02—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings not condensed with other rings
- C07D277/20—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
- C07D277/22—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms
- C07D277/30—Radicals substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D277/00—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings
- C07D277/02—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings not condensed with other rings
- C07D277/20—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
- C07D277/32—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D277/56—Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen
Landscapes
- Chemical & Material Sciences (AREA)
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Description
Den foreliggende oppfinnelse angår en fremgangsmåte for fremstilling av terapeutisk aktive salpetersyreesterderivater og salter derav, særlig farmasøytisk akseptable salter derav, som har vasodilaterende virkninger og som kan anvendes i et farmasøytisk preparat for terapeutisk behandling av kardiovaskulære sykdommer hos mennesker.
De nye salpetersyreesterderivater og farmasøytisk akseptable salter derav har sterk virkning og meget langvarig effektivitet som vasodilator, og kan anvendes til behandling av kardiovaskulære sykdommer så som coronarinsufficiens,
angina pectoris eller myocardieinfarkt.
Med hensyn til den kjente teknikk innenfor dette område er f.eks. følgende forbindelse, som nu er under utvikling, kjent:
En slik kjent forbindelse oppviser vasodilaterende virkninger, men varigheten derav er imidlertid meget kort. I en slik situasjon er forbindelser som har sterke vasodilaterende virkninger og lang varighet, i høy grad ønskede.
Som resultat av omfattende undersøkelser har oppfinnerne
kunnet oppnå salpetersyreesterderivatet som har sterke virkninger og lang varighet, og som er av stor anvendelighet som vasodilaterende middel.
Salpetersyreesterderivatet fremstilt ifølge den foreliggende oppfinnelsen kan illustreres ved følgende formel:
hvor
R<1> betegner hydrogen, C1-C6 alkyl, halogen(Ci-Cg)alkyl,
halogen, fenyl, nitrofenyl, pyridyl, morfolino, piperidino, amino, C1-C24 alkanoylamino, benzamido, cl~c6 alkoksykarbonylamino, N-Ci-Cg alkylamino, N,N-di(C1-C6)alkylamino, N-C1-C6 alkyl-N-Ci-C6
alkanoylamino, 3-C1-C6 alkylureido eller N,N-di (cl~c6)alkylamino(C1-C6)alkyl,
R<2> betegner hydrogen, C1-C6 alkyl eller N-[nitrooksy-(C1-C6)alkyl]karbamoyl,
X betegner -O- eller -S-,
Y betegner en enkel binding, C1-C6 alkylen eller C2-C6
alkenylen, og
Z betegner C±- Cq alkylen C±- Ce alkylen substituert med én eller to nitrooksy-grupper, eller C1-C6 alkylenoksy(C1-C6)alkylen.
Forbindelsene med formel (I) fremstilles ifølge den foreliggende oppfinnelse ved de fremgangsmåter som er illustrert ved følgende reaksjonsskjemaer.
Fremgangsmåte 1
eller dens reaktive derivat ved karboksygruppen eller et salt derav Fremgangsmåte 2 eller et salt derav r
hvor R<1>, R<2>, X, Y og Z hver er som definert ovenfor,
og
R<2>a er hydrogen, Cy- C§ alkyl eller N-[hydroksy-(C^-Cg) alkyl]karbamoyl.
Blant utgangsforbindelsene i forbindelse med den foreliggende oppfinnelse er forbindelsen (IV) hittil ukjent og kan fremstilles ved de fremgangsmåter som er illustrert i følgende reaksjonsskjemaer, eller ved en konvensjonell fremgangsmåte.
hvor R<1>, R<2>, R2a/ X, Y og Z hver er som definert ovenfor,
R<2>b betegner hydrogen, C-L-Cg alkyl eller -COOR<3>, i hvilken R<3> er som definert nedenfor,
R<3> betegner en karboksybeskyttelsesgruppe, og
R<*> betegner en syrerest.
Hensiktsmessige farmasøytisk akseptable salter av de omhandlede forbindelser (I) er konvensjonelle ikke-toksiske salter og omfatter et syreaddisjonssalt så som et organisk syresalt (f.eks. acetat, trifluoracetat, maleat, tartrat, metansulfonat, benzensulfonat, formiat, toluensulfonat, etc), et uorganisk syresalt (f.eks. hydroklorid, hydrobromid, hydrojodid, sulfat, nitrat, fosfat, etc), eller et salt med en aminosyre (f.eks. arginin, asparaginsyre, glutaminsyre, etc.) eller lignende.
I den foregående og etterfølgende del av beskrivelsen for-klares i detaljer hensiktsmessige eksempler og illustrasjoner av de forskjellige definisjoner som ligger innenfor den foreliggende oppfinnelses rammer.
Uttrykket "C^^-Cg alkyl" betegner hensiktsmessig metyl, etyl, propyl, isopropyl, butyl, isobutyl, tert.butyl, pentyl, tert.pentyl, heksyl og lignende, og fortrinnsvis en gruppe med 1-4 karbonatomer.
Uttrykket "halogen" kan hensiktsmessig omfatte klor, brom, fluor og jod.
Uttrykket "N-C^^-Cg alkyl-N-C-L-Cgalkanoylamino" kan f.eks. være N-metyl-N-acetylamino, N-etyl-N-acetylamino, N-propyl-N-acetylamino, N-metyl-N-propionylamino eller N-heksyl-N-heksanoylamino, hvor N- (C^J alkyl-N- (C^.J alkanoylamino foretrekkes, og N-metyl-N-acetylamino særlig foretrekkes.
Uttrykket "N,N-di(C1-C6)alkylamino(C^-Cg)alkyl" kan hensiktsmessig omfatte N,N-dimetylaminometyl, N,N-dietylaminometyl, N,N-dimetylaminoetyl, N,N-dimetylaminopropyl, N,N-dipropylaminopropyl, N,N-diheksylaminoheksyl og lignende, hvor N,N-di (Ci-4) alkylamino (CX.J alkyl foretrekkes, og N,N-dimetyl-aminometyl særlig foretrekkes.
Uttrykket "N-[nitrooksy (C-L-Cg) alkyl]karbamoyl" kan hensiktsmessig omfatte N-(nitrooksymetyl)karbamoyl, N-(2-nitrooksyetyl ) karbamoyl , N-(3-nitrooksypropyl)karbamoyl, N-(4-nitrooksybutyl)karbamoyl, N-(6-nitrooksyheksyl)karbamoyl og lignende, hvor N-[nitrooksy(C1.A) alkyl]karbamoyl foretrekkes, og N-(2-nitrooksyetyl)karbamoyl særlig foretrekkes.
Uttrykket "N-[hydroksy (C-^-Cg) alkyl]karbamoyl" kan hensiktsmessig omfatte N-(hydroksymetyl)karbamoyl, N-(2-hydroksyetyl)-karbamoyl, N-(3-hydroksypropy1)karbamoyl, N-(4-hydroksybuty1)-karbamoyl, N-(6-hydroksyheksyl)karbamoyl og lignende, hvor den foretrukne er N-[hydroksy (C^) alkyl]karbamoyl, og den mest
foretrukne er N-(2-hydroksyetyl)karbamoyl.
Uttrykket "halogen (C-^-Cg) alkyl" kan hensiktsmessig omfatte mono- eller di- eller trihalogen(C-L-Cg) alkyl så som klormetyl, brometyl, difluormetyl, trifluormetyl og lignende, hvor triha-logen(C]_4) alkyl foretrekkes, og trifluormetyl særlig foretrekkes .
Uttrykket "C2-Cg alkenylen" kan hensiktsmessig omfatte vinylen, propenylen og lignende, hvor C2.A-alkenylen foretrekkes, og vinylen særlig foretrekkes.
Uttrykket "C^-Cg alkylenoksy (C-^-Cg) alkylen" kan hensiktsmessig omfatte metylenoksymetylen, etylenoksyetylen, trimetylenoksy-trimetylen og lignende, hvor C^-alkylenoksy (C^) alkylen foretrekkes, og etylenoksyetylen særlig foretrekkes.
Uttrykket "C1-C24<a>lkanoyl" i uttrykket "C1-<C>24<a>lkanoylamino" kan hensiktsmessig omfatte formyl, acetyl, propionyl, butyryl, succinyl, heksanoyl, heptanoyl, lauroyl, stearoyl, etc. Uttrykket "C-L-Cg alkoksykarbonyl i "C-L-Cg alkoksykarbonylamino" kan f.eks. omfatte metoksykarbonyl, etoksykarbonyl, tert.butoksykarbonyl, tert.pentyloksykarbonyl, heptyloksykarbonyl, etc.
Uttrykket "C-L-Cg alkylen" kan omfatte metylen, etylen, tri-metylen, propylen, tetrametylen, metyltrimetylen, dimetyl-etylen, heksametylen og lignende, fortrinnsvis C^-alkylen, som kan ha en eller to nitrooksy-substituenter.
Uttrykket "karboksybeskyttelsesgruppe" kan hensiktsmessig omfatte en konvensjonell esterdel som kan omfatte lavere alkylester (f.eks. metylester, etylester, propylester, isopropylester, butylester, isobutylester, tert.butylester, pentylester, tert.pentylester, heksylester, etc.) eller lignende.
Uttrykket "syrerest" kan hensiktsmessig omfatte halogen (f.eks. fluor, klor, brom, jod, etc), acyloksy, i hvilken acyIdelen har den ovennevnte betydning, og lignende.
Fremgangsmåter for fremstilling av den omhandlede forbindelse (I) er beskrevet i detaljer i det følgende.
Fremgangsmåte 1:
Den omhandlede forbindelse (I) eller et salt derav kan fremstilles ved omsetning av forbindelse (II) eller dens reaktive derivat ved karboksygruppen eller et salt derav med forbindelsen (III) eller dens reaktive derivat ved aminogruppen eller et salt derav.
Salter av forbindelsene (II) og (III) kan hensiktsmessig henføres til de som er eksemplifisert for forbindelsen (I).
Reaktivt derivat ved karboksygruppen av forbindelsen (II) kan hensiktsmessig omfatte et syrehalogenid, et syreanhydrid, et aktivert amid, en aktivert ester og lignende. Et hensiktsmessig eksempel kan være et syreklorid, et syreazid; et blandet syreanhydrid med en syre så som substituert fosforsyre (f.eks. dialkylfosforsyre, fenylfosforsyre, difenylfosforsyre, dibenzylfosforsyre, halogenert fosforsyre, etc.); dialkylfosforsyre, svovelsyrling, tiosvovelsyre, svovelsyre, alkyl-kullsyre, alifatisk karboksylsyre (f.eks. pivalinsyre, pentansyre, isopentansyre, 2-etylsmørsyre eller tri-kloreddiksyre, etc.) eller aromatisk karboksylsyre (f.eks. benzoesyre, etc); et symmetrisk syreanhydrid; et aktivert amid med imidazol, 4-substitutert imidazol, dimetylpyrazol, triazol eller tetrazol; eller en aktivert ester (f.eks. cyanometylester, metoksymetylester, dimetyliminometyl [(CH3)2N=CH-] ester, vinylester, propargylester, p-nitro-fenylester, 2,4-dinitrofenylester, triklorfenylester, pen-taklorfenylester, mesylfenylester, fenylazofenylester, fenyl-tioester, p-nitrofenyltioester, p-kresyltioester, karboksy-metyltioester, pyranylester, pyridylester, piperidylester, 8-kinolyltioester, etc.) eller en ester med en N-hydroksy-forbindelse (f.eks. N,N-dimetylhydroksylamin, l-hydroksy-2-(1H)-pyridon, N-hydroksysuccinimid, N-hydroksyftalimid, 1-hydroksy-lH-benzotriazol, l-hydroksy-6-klor-lH-benzotriazol, etc.) og lignende. Disse reaktive derivater kan eventuelt velges blant dem, alt efter den type av forbindelse (II) som skal anvendes.
Reaksjonen utføres vanligvis i et konvensjonelt oppløsnings-middel så som vann, aceton, dioksan, acetonitril, kloroform, diklormetan, etylenklorid, tetrahydrofuran, etylacetat, N,N-dimetylformamid, N,N-dimetylacetamid, pyridin eller et hvilket som helst annet organisk oppløsningsmiddel som ikke har noen skadelig innvirkning på reaksjonen. Disse konvensjonelle oppløsningsmidler kan også anvendes i blanding med vann.
Når forbindelse (II) anvendes i fri syreform eller en saltform derav i reaksjonen, utføres reaksjonen fortrinnsvis i nærvær av et konvensjonelt kondenseringsmiddel så som N,N'-dicykloheksylkarbodiimid; N-cykloheksyl-N'-morfolinoetylkarbodiimid; N-cykloheksyl-N'-(4-diety-laminocykloheksyl)karbodiimid; N,N'-dietylkarbodiimid, N,N'-diisopropylkarbodiimid; N-etyl-N'-(3-dimetylaminopropyl)karbodiimid; N,N-karbonylbis-(2-metyl-imidazol); pentametylenketen-N-cykloheksylimine; difenylketen-N-cykloheksylimin; etoksyacetylen; 1-alkoksy-l-kloretylen; 1,1'-(karbonyldioksy)dibenzotriazol; 1,1'-dibenzotria-zolyloksallat; trialkylfosfitt; etylpolyfosfat; isopropylpo-lyfosfat; fosforoksyklorid (fosforylklorid); fosfortriklorid; tionylklorid; oksalylklorid; trifenylfosfin; 2-etyl-7-hydroksybenzisoksazoliumsalt; 2-etyl-5-(m-sulfofenyl) isoksa-zoliumhydroksyd-intramolekylært salt; 1-(p-klorbenzensulfony-loksy) -6-klor-lH-benzotriazol ; såkalt Vilsmeier-reagens fremstilt ved omsetning av dimetylformamid med tionylklorid, fosgen, fosforoksyklorid, etc.; eller lignende.
Reaktive derivater ved aminogruppen av forbindelsen (III) kan hensiktsmessig omfatte Schiffs base-type imino eller dens tautomere enamin-type isomer dannet ved omsetning av forbindelsen (III) med en karbonylforbindelse så som aldehyd, keton eller lignende; et silylderivat dannet ved omsetning av forbindelsen (III) med en silylforbindelse så som bis(-trimetylsilyl) acetamid, mono(trimetylsilyl)acetamid, N,N-bis-(trimetylsilyl)urinstoff, eller lignende;
et derivat dannet ved omsetning av forbindelsen (III) med fosfor triklorid eller fosgen og lignende.
Reaksjonen kan også utføres i nærvær av en uorganisk eller organisk base så som et alkalimetallhydrogenkarbonat, tri-(lavere)alkylamin, pyridin, N-(lavere)alkylmorforin, N,N-di(lavere)alkylbenzylamin eller lignende. Reaksjonstemperaturen er ikke avgjørende, og reaksjonen utføres vanligvis fra under avkjøling til oppvarming.
Fremgangsmåte 2:
Den omhandlede forbindelse (I) eller et salt derav kan frem
stilles ved omsetning av forbindelsen (IV) eller et salt derav med et nitreringsmiddel.
Salt av forbindelsen (IV) kan hensiktsmessig henføres til dem som er eksemplifisert for forbindelsen (I).
Nitreringsmidler anvendt i fremgangsmåten kan hensiktsmessig omfatte salpetersyre, en kombinasjon av eddiksyreanhydrid og salpetersyre eller en kombinasjon av konsentrert svovelsyre og salpetersyre, eller lignende.
Reaksjonstemperaturen er ikke avgjørende, og reaksjonen utføres vanligvis under avkjøling eller ved
omgivelsestemperatur.
Reaksjonen utføres vanligvis uten oppløsningsmiddel eller i et oppløsningsmiddel så som eddiksyre eller andre konvensjonelle oppløsningsmidler som ikke har noen skadelig innvirkning på reaksjonen.
Fremgangsmåter for fremstilling av utgangsforbindelsen (IV) er beskrevet i detaljer i det følgende.
Fremgangsmåte A:
Forbindelsen (Via) eller et salt derav kan fremstilles ved å underkaste forbindelsen (V) eller et salt derav en Wittig-reaksjon.
Salter av forbindelsene (V) og (Via) kan hensiktsmessig henføres til dem som er eksemplifisert for forbindelsen (I).
Denne reaksjon kan utføres ved en konvensjonell fremgangsmåte som beskrevet i fremstilling 1.
Fremgangsmåte B:
Forbindelsen (VIb) eller et salt derav kan fremstilles ved omsetning av forbindelsen (VII) eller et salt derav med forbindelsen (VIII) eller et salt derav. Salter av forbindelsene (VIb), (VII) og (VIII) kan hensiktsmessig henføres til dem som er eksemplifisert for forbindelsen (I) •
Denne reaksjon kan utføres ved en konvensjonell fremgangsmåte som beskrevet i fremstilling 5.
Fremgangsmåte C:
Forbindelsen (IV) eller et salt derav kan fremstilles ved omsetning av forbindelsen (VI) eller et salt derav med forbindelsen (IX) eller et salt derav.
Salter av forbindelsene (VI) og (IX) kan hensiktsmessig henføres til dem som er eksemplifisert for forbindelsen (I).
Denne reaksjon kan utføres ved en konvensjonell fremgangsmåte som beskrevet i fremstilling 3.
Den således erholdte forbindelse (I) kan omdannes til farma-søytisk akseptable salter derav på konvensjonell måte.
For terapeutiske formål administreres
salpetersyreesterderivatet (I) i en daglig dose på 0,01-100 mg, fortrinnsvis 0,1-50 mg.
De farmasøytiske preparater inneholder som aktiv bestanddel salpetersyreesterderivatet (I) eller et farmasøytisk akseptabelt salt derav i en mengde på ca. 0,01 mg til ca. 50 mg, fortrinnsvis ca. 0,01 mg til ca. 10 mg pr. doseenhet til oral og parenteral anvendelse.
En fagmann vil erkjenne at mengden av den aktive bestanddel i doseenhetsformen kan bestemmes under hensyntagen til bestand-delens aktivitet samt vertsmenneskets størrelse. Den aktive bestanddel kan vanligvis formuleres i en fast form så som
tablett, granule, pulver, kapsel, pastill, drops eller suppositorium, eller en suspensjons- eller oppløsningsform så som sirup, injeksjon, emulsjon, lemonade, etc. og lignende. En farmasøytisk bærer eller fortynningsmiddel omfatter faste stoffer eller ikke-toksiske farmasøytisk akseptable væskeformige stoffer. Eksempler på faste stoffer eller væskeformige bærere eller fortynningsmidler er laktose, magnesiumstearat, terra alba, sukrose, maisstivelse, talk, stearinsyre, gelatin, agar, pektin, akasie, jordnøttolje, olivenolje eller sesamolje, kakaosmør, etylenglykol eller andre konvensjonelle stoffer. På lignende måte kan bæreren eller fortynningsmidlet omfatte et tidsforsinkende materiale så som glycerylmonostearat, glyceryldistearat, voks og 1ignende.
Den omhandlede forbindelse (I) og de farmasøytisk akseptable salter derav har ifølge den foreliggende oppfinnelse vasodilaterende virkninger og lang varighet og er nyttige som vasodilaterende middel.
For å vise forbindelsens (I) anvendelighet er de farmakologiske forsøksresultater for den representative forbindelse ifølge den foreliggende oppfinnelse vist i det følgende.
fl) Virkning på isolert rotteaorta
Forsøksfremgangsmåte:
Aortaene ble fjernet fra rotter. Spiralstrimler med en lengde på ca. 10 mm ble utskåret fra aorta og suspendert i et organbad inneholdende Tyrode's oppløsning ved 37°C, luftet med en gassblanding av 95% oksygen og 5% kulldioksyd. Strimlenes tonus ble opptatt på en polygraf med en kraftforskyvnings-transducer. Efter at den innledende hviletensjon var innstilt til 0,5 g, ble norepinefrin 3,2 x 10"<8> M satt til organbadet for å oke aortastrimlenes tonus til 0,9-1,1 g.
De kumulative konsentrasjoner av forsøksforbindelsen ble derefter tilsatt, og papaverin 10"<4> M ble til sist tilsatt for å bestemme den maksimale avspenning. ED50-verdier ble beregnet ved interpolasjon fra de gjennomsnittlige kumulative dose-aktivitskurver (virkning av papaverin 10"<4> M = 100%).
Forsøksforbindelser: N-(2-Nitrooksyetyl)-2-metyl-4-tiazolkarboksamid hydroklorid (i det følgende betegnet forbindelse 1), og N-(2-Nitrooksyetyl)-3-pyridinkarboksamid (referanseforbindelse A) (i det følgende betegnet forbindelse A).
Forsøksresultater:
( 2 ) Virkning på normotensive rotter
Forsøksfremgangsmåte:
7 til 9 uker gamle S.D.-hannrotter med et middelarterielt blodtrykk på 100-125 mmHg og en vekt på 245-375 g ble anvendt. Dyrene fikk innført en kanyle i venstre femoralarterie, og middelblodtrykket og hjertefrekvensen ble målt med en trykk-
transducer. Medikamentene ble administrert oralt. Dyrene ble sultet i ca. 18 timer forut for oral dosering. Forsøksmedikamentene ble oppløst i saltvann eller etanol og ad-
ministrert i orale doser på 10 mg/kg. Varigheten av halvdelen av den maksimale hypotensive virkning ble beregnet som T 1/2.
Forsøksforbindelser:
Forbindelse 1 og forbindelse A.
Forsøksresultater:
Fra de ovenstående forsøksresultater fremgår det klart at forbindelsene fremstilt ifølge den foreliggende oppfinnelse ikke bare har sterkere vasodilaterende virkninger, men også en meget lengere effektivitetsvarighet i forhold til referanse-forbindelsen, hvilket betyr at forbindelsene fremstilt ifølge den foreliggende oppfinnelse er nyttige til behandling av kardiovaskulære sykdommer.
Det oppløsningsmiddel som ble anvendt til omkrystallisering, er angitt i parentes efter smeltepunktet.
Fremstilling 1
Trietylfosfonoacetat (3,04 ml) ble dråpevis, under omrøring, satt til en suspensjon av 62,8% natriumhydrid (0,59 g) i 1,2-dimetoksyetan (26 ml) ved romtemperatur. Oppløsningen ble derefter omrørt ved samme temperatur i en nitrogenatmosfære i 30 minutter. Til oppløsningen ble 2-metyl-4-tiazolkarbaldehyd (1,30 g) satt i små porsjoner ved romtemperatur i 10 minutter. Oppløsningsmidlet ble fjernet og residuet ble opptatt i en mettet vandig oppløsning (50 ml) av natriumklorid. Den vandige oppløsning ble ekstrahert med kloroform. Kloroformekstrakten ble tørret over magnesiumsulfat og inndampet, og residuet ble underkastet kolonnekromatografi på silikagel (94 g) og eluert med kloroform. Fraksjonene inneholdende den omhandlede forbindelse ble konsentrert under redusert trykk for å oppnå etyl 3-(2-metyl-4-tiazolyl)-(E)-propenat(l,56 g).
Smp.: 65-67°C
IR (Nujol) : 3105, 1700, 1626 cm"<1>
NMR (CDC13) : S (ppm) = 1,31 (3H, t, J=7Hz), 2,71 (3H, s), 4,26 (2H, q, J=7Hz), 6,72 (1H, d, J=15Hz), 7,40 (1H, s), 7,59 (1H, d, J=15Hz)
Massespektrum (m/e): 197, 179, 152
Fremstilling 2
Følgende forbindelse ble oppnådd på lignende måte som beskrevet i fremstilling 1.
Etyl 3-(4-tiazolyl)-(E)-propenat
Smp.: 68-71°C
IR (Nujol): 3090, 3050, 1700, 1632 cm"<1>
NMR (CDCI3) : 6 (ppm) = 1,32 (3H, t, J=7Hz) , 4,28 (2H, q, J=7HZ), 6,81 (1H, d, J=15Hz), 7,47 (1H, d, J=2Hz), 7,72 (1H,
d, J=15Hz), 8,82 (1H, d, J=2Hz)
Massespektrum (m/e): 183, 155, 138
Fremstilling 3
En blanding av etyl-4-tiazolkarboksylat (24,49 g) og mono-etanolamin (28,0 ml) ble oppvarmet ved 100°C under omrøring i 1 time og 20 minutter. Efter avkjøling ble blandingen underkastet kolonnekromatografi på silikagel (245 g) og eluert med kloroform. Fraksjonene inneholdende den omhandlede forbindelse ble samlet og konsentrert under redusert trykk for å oppnå en lys brun olje av N-(2-hydroksyetyl)-4-tiazolkarboksamid (25,93 g).
IR (Nujol): 3300 (br), 1620, 1525, 1060 cm"<1>
NMR (CDCI3) : S (ppm) = 3,58-4,15 (5H, m), 7,97 (1H, br s), 8,17 (1H, d, J=2Hz), 8,73 (1H, d, J=2Hz)
Massespektrum (m/e): 155, 141, 112
Fremstilling 4
Følgende forbindelser ble oppnådd på lignende måte som beskrevet i fremstilling 3.
(1) N-(2-Hydroksyetyl)-2-amino-4-tiazolkarboksamid
Smp.: 118-12 0°C (metanol-diisopropyleter)
IR (Nujol): 3380, 3300, 3200, 1708, 1630 (skulder), 1616, 1062 cm"<1>
NMR (DMSC~d6) : S (ppm) = 3,13-3,69 (3H, m) , 4,76 (2H, t, J=5HZ), 7,09 (2H, br S), 7,13 (1H, s), 7,66 (1H, br t, J=5Hz)
Massespektrum (m/e): 187, 169, 156, 127
(2) N-(2-Hydroksyety1)-2-klor-4-tiazolkarboksamid
IR (Nujol): 3385, 3250, 3090, 1635, 1540, 1085, 1039 cm"<1>
NMR (DMS0-d6) : S (ppm) = 3,12-3,75 (3H, m), 4,73 (2H, t, J=5Hz), 8,23 (2H, br s)
Massespektrum (m/e): 206, 188, 175, 146
(3) N-(2-Hydroksyety1)-2,4-dimetyl-5-tiazolkarboksamid Smp.: 81-83°C
IR (Nujol): 3250 (br), 1620, 1530, 1079 cm"<1>
NMR (CDC13) : S (ppm) = 2,62 (3H, s), 2,65 (3H, s), 3,33-4,17 (5H, m), 6,40-6,92 (1H, m)
Massespektrum (m/e): 200, 183, 169, 140
(4) N-(2-Hydroksyety1)-2-metyl-5-tiazolkarboksamid
IR (Nujol): 3310, 3120, 1660, 1550, 1295, 1185, 1055 cm"<1>
NMR (DMS0-d6) : S (ppm) = 2,67 (3H, s), 3,1-3,8 (4H, m) , 4,73 (1H, t, J=5Hz), 8,21 (1H, s), 8,55 (1H, br s)
Massespektrum (m/e): 186, 168, 155, 126, 98
(5) N-(2-Hydroksyety1)-5-tiazolkarboksamid
IR (Nujol): 3270, 3160, 3090, 1650, 1550, 1330, 1245, 1065 cm"<1>
NMR (DMS0-d6) : 6 (ppm) = 3,1-3,8 (4H, m) , 4,76 (1H, t, J=5Hz), 8,52 (1H, s), 8,60 (1H, br s), 9,25 (1H, s)
Massespektrum (m/e): 172, 154, 141, 129, 112, 84
(6) N-(2-Hydroksyety1)-2-tiazolkarboksamid
IR (Film): 3280 (br), 1640, 1520, 1056 cm"<1>
NMR (CDC13) : S (ppm) = 3,08-4,17 (5H, m), 7,57 (1H, d, J=4Hz), 7,85 (1H, d, J=4Hz), 7,67-8,20 (1H, m)
Massespektrum (m/e): 172, 154, 141, 112
(7) N-(2-Hydroksyety1)-5-metyl-2-tiazolkarboksamid
IR (Film): 3350 (br), 1650, 1535, 1060 cm"<1>
NMR (DMS0-d6) : 6 (ppm) = 2,53 (3H, s) , 3,17-3,77 (4H, m) , 4,75 (1H, br t, J=5Hz), 7,72 (1H, br s), 8,67 (1H, br s)
Massespektrum (m/e): 186, 168, 155, 126
(8) N,N'-Bis(2-hydroksyetyl)-2,4-tiazoldikarboksamid Smp.: 155-158°C (metanol-diisopropyleter)
IR (Nujol): 3275, 1661, 1540, 1070, 1053 cm"<1>
NMR (DMSO-d6) : S (ppm) = 3,19-3,81 (8H, m) , 4,68-5,04 (2H, m), 8,47 (1H, br t, J=6Hz), 8,53 (1H, s), 8,79 (1H, br t, J=6HZ)
Massespektrum (m/e): 259, 241, 228, 199
(9) N-(2-Hydroksyety1)-3-(2-metyl-4-tiazolyl)-(E)-propenamid IR (Film): 3400 (br), 1655 (br), 1540, 1093 cm"<1>
NMR (DMS0-d6) : S (ppm) = 2,67 (3H, s) , 3,11-3,60 (4H, m) , 4,69 (1H, t, J=5Hz), 6,82 (1H, d, J=15Hz), 7,38 (1H, t, J=15Hz), 7,73 (1H, s), 8,20 (1H, br t, J=6Hz)
Massespektrum (m/e): 212, 194, 182, 152
(10) N-(2-Hydroksyety1)-3-(4-tiazolyl)-(E)-propenamid
IR (Film): 3260 (br), 3070, 1655, 1540, 1060 cm"<1>
NMR (DMSO-d6) : S (ppm) = 2,70-3,63 (4H, m) , 4,69 (1H, t, J=5HZ), 6,88 (1H, d, J=15Hz), 7,51 (1H, d, J=15Hz), 7,96 (1H, d, J=2Hz), 8,23 (1H, br t, J=6Hz), 9,19 (1H, d, J=2HZ)
Massespektrum (m/e): 198, 180, 167, 138
(11) N,N'-Bis(2-hydroksyetyl)-2,5-tiazoldikarboksamid
Smp.: 182-184°C (etanol)
IR (Nujol): 3250, 1625, 1540, 1070 cm"<1>
NMR (DMS0-d6) : S (ppm) = 3,1-3,8 (8H, m) , 4,77 (2H, t,
J=5Hz), 8,51 (1H, s) , 8,5-9,0 (2H, Itl)
Massespektrum (m/e): 259, 241, 228, 199, 112
(12) N-(2-Hydroksyety1)-2-metyl-4-oksazolkarboksamid
Smp.: 62-63 °C
IR (Nujol): 3350, 3130, 1600, 1505, 1325, 1110, 1080 cm"<1>
NMR (DMS0-d6) : S (ppm) =2,46 (3H, s) , 3,1-3,8 (4H, m) , 4,71 (1H, t, J=5HZ), 8,0 (1H, br t, J=5Hz), 8,43 (1H, s)
Massespektrum (m/e): 171, 152, 139, 110, 82
(13) N-(2-Hydroksyety 1) -2-trifluormetyl-5-tiazolkarboksamid Smp.: 128-130°C (etylacetat-diisopropyleter)
IR (Nujol): 3390, 3250, 1615, 1155, 1135, 1055, 1040 cm"<1>
NMR (CDC13) : S (ppm) = 1,84 (1H, s), 3,5-4,1 (4H, m) , 6,5 (1H, br s), 8,26 (1H, s)
Massespektrum (m/e): 241, 222, 209, 197, 180, 152
(14) N-(2-Hydroksyety1)-2-trifluormetyl-4-tiazolkarboksamid Smp.: 100-101°C (etylacetat-diisopropyleter)
IR (Nujol): 3410, 3260, 3070, 1630, 1540 cm"<1>
NMR (CDCI3) : S (ppm) = 2,61 (1H, m), 3,4-4,1 (4H, m), 7,8 (1H, br s), 8,43 (1H, s)
Massespektrum (m/e): 241, 222, 209, 180, 152
(15) N-[2-(2-Hydroksyetoksy)etyl]-2-metyl-5-tiazolkarboksamid IR (Film): 3300, 1620, 1540, 1120 cm"<1>
NMR (DMSO-d6) : S (ppm) =2,67 (3H, s) , 3,3-3,7 (8H, m) , 4,59 (1H, t, J=5Hz), 8,24 (1H, s), 8,30 (1H, br t, J=5Hz)
Massespektrum (m/e): 231, 200, 185, 168, 126, 98, 45
(16) N-[2-(2-Hydroksyetoksy)etyl]-5-tiazolkarboksamid
IR (Film): 3250, 1620, 1540 cm"<1>
NMR (DMSO-d6) : S (ppm) = 3,3-3,7 (8H, m) , 4,59 (1H, t, J=5HZ), 8,52 (1H, S), 8,78 (1H, br t, J=5Hz), 9,28 (1H, s)
Massespektrum (m/e): 217, 186, 171, 112
(17) N-(3-Hydroksypropy1)-2-metyl-4-tiazolkarboksamid
IR (Film): 3350, 3120, 1640, 1545, 1255, 1180, 1060 cm"<1>
NMR (DMS0-d6) : S (ppm) = 1,69 (2H, kintet J=7Hz) , 2,71 (3H, s), 3,37 (2H, kvartett, J=7Hz), 3,50 (2H, kvartett J=7Hz), 4,52 (1H, t, J=5HZ), 8,08 (1H, s), 8,31 (1H, br t, J=7Hz)
Massespektrum (m/e): 200, 183, 182, 170, 169, 156, 155, 126, 98, 74
(18) N-[2-(2-Hydroksyetoksy)etyl]-2-metyl-4-tiazolkarboksamid IR (Film): 3400, 3120, 1660, 1550, 1130, 1070 cm"<1>
NMR (DMSO-d6) : S (ppm) =2,73 (3H, s) , 3,2-3,8 (8H, m) , 4,60 (1H, m), 8,12 (1H, s), 8,21 (1H, br t, J=6Hz)
Massespektrum (m/e): 231, 230, 212, 200, 185, 169, 168, 155, 126, 99, 98
(19) N-[2-(2-Hydroksyetoksy)etyl]-4-tiazolkarboksamid
IR (Film): 3380 (br), 3080, 1650, 1540, 1061 cm"<1>
NMR (DMSO-d6) : S (ppm) = 3,20-3,76 (8H, m) , 4,47-4,72 (1H, m), 8,37 (1H, d, J=2Hz), 8,11-8,61 (1H, m), 9,24 (1H, d, J=2Hz)
Massespektrum (m/e): 217, 186, 141, 112, 84
(20) N-(2-Hydroksyety1)-2-fenyl-5-tiazolkarboksamid
Smp.: 149-152°C (metanol-diisopropyleter)
IR (Nujol): 3330, 3255, 3080, 1625, 1556, 1047 cm"<1>
NMR (DMS0-d6) : S (ppm) = 3,17-3,74 (4H, m) , 4,83 (1H, br s) , 7,42-7,70 (3H, m) , 7,87-8,20 (2H, m), 8,51 (1H, s) , 8,78 (1H, br t, J=5Hz)
Massespektrum (m/e): 248, 230, 217, 188, 160
(21) N-(2-Hydroksyety1)-2-(3-nitrofenyl)-4-tiazolkarboksamid
Smp.: 145-146°C (metanol-diisopropyleter)
IR (Nujol): 3395, 3320, 3095, 1640, 1550, 1532, 1347 cm"<1>
NMR (DMS0-d6) : S (ppm) = 3,23-3,78 (4H, m) , 4,83 (1H, t, J=5Hz), 7,86 (1H, t, J=8HZ), 8,27-8,73 (3H, m), 8,44 (1H, S), 8,86 (1H, t, J=2Hz)
Massespektrum (m/e): 293, 275, 262, 233
(22) N-(4-Hydroksybutyl)-2-metyl-4-tiazolkarboksamid
IR (Film): 3380, 3120, 1660, 1540 cm"<1>
NMR (DMS0-d6) : S (ppm) = 1,3-1,8 (4H, m), 2,71 (3H, s), 3,1-3,7 (4H, m), 4,39 (1H, br s), 8,07 (1H, s), 8,27 (1H, br t, J=6Hz)
Massespektrum (m/e): 214, 196, 183, 169, 155, 126
(23) N-[2-(2-Hydroksyetoksy)etyl]-2-metyl-4-oksazolkarboksamid
IR (Film): 3410, 3140, 1650, 1600, 1515, 1310, 1230, 1105, 1065 cm"<1>
NMR (DMS0-d6) : <S (ppm) = 2,46 (3H, s) , 3,2-3,7 (8H, m) , 4,4-4,7 (1H, m), 8,06 (1H, br t, J=5Hz), 8,46 (1H, s)
Massespektrum (m/e): 184, 169, 153, 152, 139, 110, 82
(24) N-(2-Hydroksyety1)-2-(2-nitrofenyl)-4-tiazolkarboksamid Smp.: 84-86°C
IR (Nujol): 3430, 3365, 3310, 1650, 1540 (skulder), 1535, 1368 cm"1
NMR (DMS0-d6) : S (ppm) = 3,18-3,69 (4H, m) , 4,76 (1H, t, J=5HZ), 7,67-8,28 (4H, m), 8,49 (1H, s)
Massespektrum (m/e): 293, 276, 262, 233
(25) N-(2-Hydroksyetyl)-2-metyl-4-tiazolkarboksamid
Smp.: 68-70°C
IR (Nujol): 3390, 3220, 1658, 1545, 1069 cm"<1>
NMR (DMS0-d6) : S (ppm) = 2,73 (3H, s) , 3,17-3,83 (4H, m) , 4,83 (1H, br S), 8,10 (1H, s), 7,97-8,42 (1H, m)
Massespektrum (m/e): 186, 168, 155, 126
Fremstilling 5
En oppløsning av etylbrompyruvat (2,14 g) i etanol (5 ml) ble tilsatt en suspensjon av 3-nitrobenzenkarbotioamid (2,00 g) i etanol (15 ml) ved romtemperatur. Reaksjonsblandingen ble omrørt ved 50°C i 2 timer og 10 minutter. Oppløsningsmidlet ble fjernet ved inndampning under redusert trykk. Til residuet ble satt en mettet vandig oppløsning av natriumhydrogenkarbonat (50 ml) og etylacetat (100 ml). Bunnfallene ble oppsamlet ved filtrering og omkrystallisert fra en blanding av kloroform og n-heksan for å oppnå etyl 2-(3-nitrofenyl)-4-tiazolkarboksylat (1,59 g).
Smp.: 151-154°C
IR (Nujol): 3130, 3080, 1718, 1525, 1347, 1210 cm"<1>
NMR (CDC13) : S (ppm) = 1,45 (3H, t, J=7Hz) , 4,49 (2H, q, J=7Hz), 7,68 (1H, t, J=8Hz), 8,28 (1H, s), 7,92-8,55 (2H, m), 8,83 (1H, t, J=2HZ)
Massespektrum (m/e): 278, 250, 233, 206
Fremstilling 6
Følgende forbindelse ble oppnådd på lignende måte som beskrevet i fremstilling 5.
Etyl-2-(2-Nitrofenyl)-4-tiazolkarboksylat
Smp.: 82-84°C (klorform-n-heksan)
IR (Nujol): 3095, 1705, 1516, 1350, 1218, 1100 cm"<1>
NMR (CDC13) : S (ppm) = 1,42 (3H, t, J=7Hz) , 4,48 (2H, q, J=7Hz), 7,53-8,17 (4H, m), 8,35 (1H, s)
Massespektrum (m/e): 278, 248, 233, 205
EKSEMPEL 1
Rykende salpetersyre (12,8 ml) ble dråpevis satt til eddiksyreanhydrid (27,4 ml) under omrøring og is-natriumklorid avkjølt ved 10"C i 1 minutt, og blandingen ble omrørt i 10 minutter ved samme temperatur. Kontinuerlig ble en oppløsning av N-(2-hydroksyetyl)-4-tiazolkarboksamid (25,0 g) i tørr kloroform (35 ml) tilsatt dråpevis under omrøring og avkjølt ved 5°C i 10 minutter, og blandingen ble omrørt i 1 time ved samme temperatur. Reaksjonsblandingen ble hellet i en blanding av natriumhydrogenkarbonat (100 g) og isvann (1,0 kg) og derefter ekstrahert med etylacetat. Ekstrakten ble vasket med en mettet vandig oppløsning av natriumklorid og tørret over magnesiumsulfat. Oppløsningsmidlet ble konsentrert under redusert trykk, og resten av det faste stoff ble omkrystallisert fra en blanding av diisopropyleter og metanol (3:2) for å oppnå farveløse krystaller av N-(2-nitrooksyety1)-4-tiazolkarboksamid (10,17 g).
Smp.: 105-108°C
IR (Nujol): 3300, 3070, 1648, 1620, 1535, 1277 cm"<1>
NMR (CDC13) : <S (ppm) = 3,84 (2H, q, J=5Hz) , 4,68 (2H, t, J=5Hz), 7,70 (1H, br s), 8,22 (1H, d, J=2Hz), 8,78 (1H, d, J=2Hz)
Massespektrum (m/e): 171, 155, 141, 112
EKSEMPEL 2
Følgende forbindelser ble oppnådd på lignende måte som beskrevet i eksempel 1.
(1) N-(2-Nitrooksyetyl)-2-amino-4-tiazolkarboksamid
Smp.: 123-124°C (spaltning) (n-heksan-etylacetat).
IR (Nujol): 3350, 3280, 3175, 1635 (skulder), 1620 (Skulder), 1605, 1542, 1522, 1282 cm"<1>
NMR (DMS0-d6) : S (ppm) = 3,58 (2H, br q, J=5Hz) , 4,63 (2H, t, J=5Hz), 7,05 (2H, br s), 7,23 (1H, s), 8,05 (1H, br t, J=5Hz)
Massespektrum (m/e): 232, 169, 156, 127
(2) N-(2-Nitrooksyetyl)-2-klor-4-tiazolkarboksamid Smp.: 58-60"C
IR (Nujol): 3315, 3080, 1640 (skulder), 1615, 1535, 1280 cm"1
NMR (CDC13) : S (ppm) = 3,81 (2H, q, J=5Hz), 4,65 (2H, t, J=5Hz), 7,47 (1H, br s), 8,03 (1H, s)
Massespektrum (m/e): 205, 188, 175, 146
(3) N-(2-Nitrooksyetyl)-2-tiazolkarboksamid
Smp.: 62-64"C
IR (Nujol): 3280, 3085, 1650, 1520, 1275 cm"<1>
NMR (CDCI3) : S (ppm) = 3,84 (2H, q, J=5Hz) , 4,68 (2H, t, J=5Hz), 7,61 (1H, d, J=3Hz), 7,89 (1H, d, J=3Hz), 7,38-8,10 (1H, m)
Massespektrum (m/e): 217, 171, 155, 141, 112
(4) N-(2-Nitrooksyetyl)-5-metyl-2-tiazolkarboksamid Smp.: 110-112°C (n-heksan-etylacetat)
IR (Nujol): 3300, 1650 (skulder), 1625, 1540, 1280 cm"<1>
NMR (CDCI3) : S (ppm) =2,55 (3H, s) , 3,79 (2H, q, J=6Hz), 4,64 (2H, t, J=6Hz), 7,28-7,80 (2H, m)
Massespektrum (m/e): 231, 185, 169, 155, 126
(5) N, N'-Bis(2-nitrooksyetyl)-2,4-tiazoldikarboksamid
Smp.: 136-138°e (etanol)
IR (Nujol): 3410, 1671, 1625, 1610, 1540, 1281 cm"<1>
NMR (DMS0-d6) : S (ppm) = 3,71 (4H, q, J=6Hz) , 4,71 (4H, t, J=6Hz), 8,59 (1H, s), 8,66 (1H, br t, J=6Hz), 9,02 (1H, br t, J=6Hz)
Massespektrum (m/e): 303, 286, 273, 244, 210
(6) N-(2-Nitrooksyetyl)-3-(2-metyl-4-tiazolyl)-(E)-propenamid Smp.: 130-134°C (spaltning) (etylacetat-diisopropyleter)
IR (Nujol): 3200, 3105, 1645, 1610, 1550, 1280 cm"<1>
NMR (CDC13) : S (ppm) = 2,70 (3H, s), 3,76 (2H, q, J=5Hz), 4,63 (2H, t, J=5HZ), 6,43 (1H, brt, J=5Hz), 6,78 (1H, d, J=15HZ), 7,27 (1H, s), 7,57 (1H, d, J=15Hz)
Massespektrum (m/e): 212, 194, 182, 152
(7) N-(2-Nitrooksyetyl)-3-(4-tiazolyl)-(E)-propenamid
Smp.: 94-97°C (spaltning) (etylacetat-n-heksan)
IR (Nujol): 3250, 3080, 1650, 1620, 1558, 1277 cm"<1>
NMR (CDCI3) : <S (ppm) = 3,75 (2H, q, J=5Hz) , 4,64 (2H, t, J=5Hz), 6,27 (1H, br s), 6,85 (1H, d, J=15Hz), 7,47 (1H, d, J=2Hz), 7,69 (1H, d, J=15Hz), 8,88 (1H, d, J=2Hz)
Massespektrum (m/e): 243, 197, 180, 167, 138
(8) N,N' -Bis (2-nitrooksyetyl) -2,5-tiazoldikarboksaitiid Smp.: 166°C (spaltning) (etanol)
IR (Nujol): 3300, 3230, 1625, 1610, 1515, 1275, 865, 845 cm'1
NMR (DMS0-d6) : S (ppm) = 3,68 (4H, kvartett, J=5Hz), 5,72 (4H, t, J=5Hz), 8,55 (1H, s), 9,13 (1H, t, J=5Hz), 9,23
(1H, t, J=5Hz)
Massespektrum (m/e): 286, 273, 244, 210, 181
(9) N-(2-Nitrooksyetyl)-2-metyl-4-oksazolkarboksamid
Smp.: 106-108°C (etanol)
IR (Nujol): 3380, 3090, 1650, 1630, 1605, 1510, 1280, 1010, 980, 885 cm"<1>
NMR (DMS0-d6) : S (ppm) =2,47 (3H, s) , 3,61 (2H, kvartett,J=5Hz), 4,67 (2H, t, J=5Hz), 8,49 (1H, s), 8,5
(1H, br s)
Massespektrum (m/e): 169, 152, 139, 110, 82
(10) N-(2-Nitrooksyetyl)-2-trifluormetyl-5-tiazolkarboksamid Smp.: 76-78°C (diisopropyleter)
IR (Nujol): 3320, 1625, 1550, 1290, 1280, 1150, 1040, 860 cm'1
NMR (DMS0-d6) : S (ppm) =3,68 (2H, t, J=5Hz) , 4,71 (2H, kvartett, J=5Hz), 8,65 (1H, s), 9,30 (1H, br t, J=5Hz)
Massespektrum (m/e): 286, 266, 239, 222, 209, 180, 152
(11) N-(2-Nitrooksyetyl)-2-trifluormetyl-4-tiazolkarboksamid Smp.: 81-82°C (diisopropyleter)
IR (Nujol): 3270, 1650, 1620, 1535, 1275 cm"<1>
NMR (DMS0-d6) : S (ppm) =3,68 (2H, t, J=5Hz) , 4,71 (2H, kvartett, J=5Hz), 8,73 (1H, s), 8,86 (1H, br t, J=5Hz)
Massespektrum (m/e): 286, 266, 239, 222, 209, 180, 152, 113
(12) N-[2-(2-Nitrooksyetoksy)etyl]-2-metyl-5-tiazolkarboksamid Smp.: 47-48°C (etylacetat og diisopropyleter)
IR (Nujol): 3310, 1610, 1560, 1275, 1120, 870, 850 cm"<1>
NMR (CDC13) : S (ppm) = 2,73 (3H, s), 3,4-4,0 (6H, m), 4,5-4,8 (2H, m), 6,6 (1H, br s), 8,04 (1H, s)
Massespektrum (m/e): 276, 229, 185, 169, 155, 126, 98
(13) N-[2-(2-Nitrooksyetoksy)etyl]-5-tiazolkarboksamid
Smp.: 63-65°C (diisopropyleter)
IR (Nujol): 3280, 3070, 1660, 1620, 1540, 1280, 1110 cm"<1>
NMR (CDCI3) : S (ppm) = 3,5-4,0 (6H, m) , 4,5-4,8 (2H, m) , 6,63 (1H, br s), 8,31 (1H, s), 8,92 (1H, s)
(14) N-2-[2-(Nitrooksyetoksy)etyl]-2-metyl-4-oksazol-karboksamid
Smp.: 52-53°C (diisopropyleter)
IR (Nujol): 3400, 3130, 3100, 1650, 1620, 1605, 1580, 1510, 1285, 860 cm"<1>
NMR (CDC13) : S (ppm) = 2,47 (3H, s) , 3,5-4,0 (6H, m), 4,5-4,8 (2H, m), 7,3 (1H, br s), 8,14 (1H, s)
(15) N-(2-Nitrooksyetyl)-2-fenyl-5-tiazolkarboksamid
Smp.: 148-149°C etylacetat-n-heksan)
IR (Nujol): 3300, 1622, 1550, 1278 cm"<1>
NMR (CDCI3) : S (ppm) = 4,68 (2H, q, J=5Hz), 4,68 (2H, t, J=5HZ), 6,52-7,00 (1H, m), 7,37-7,70 (3H, m), 7,87-8,13 (2H, m), 8,23 (1H, s)
Massespektrum (m/e): 293, 248, 230, 217, 188, 160
(16) N-(2-Nitrooksyetyl)-2-(3-nitrofenyl)-4-tiazolkarboksamid Smp.: 149-152°C (etylacetat-n-heksan)
IR (Nujol): 3395, 3110, 1650, 1620, 1520, 1340, 1272 cm"<1>
NMR (DMSC~d6) : <S (ppm) = 3,71 (2H, q, J=5Hz) , 4,73 (2H, t, J=5Hz), 7,83 (1H, t, J=8Hz), 8,23-8,57 (2H, m), 8,43 (1H, s), 8,83 (1H, t, J=2Hz), 8,70-9,12 (1H, m)
Massespektrum (m/e): 338, 292, 275, 262, 233
(17) N-(2-Nitrooksyetyl)-2-(2-nitrofenyl)-4-tiazolkarboksamid
IR (Film): 3400, 3120, 1655 (skulder), 1625, 1525, 1357, 1280 cm"<1>
NMR (DMSO-d6) : S (ppm) =3,64 (2H, q, J=5Hz) , 4,67 (2H, t, J=5Hz), 7,70-8,30 (4H, m), 8,50 (1H, s), 8,33-8,77 (lH,m)
Massespektrum (m/e): 338, 292, 275, 262, 235
(18) N-(2-Nitrooksyetyl)-2-metyl-4-tiazolkarboksamid
Smp.: 78-79°C (etylacetat -n-heksan)
IR (Nujol): 3280, 3135, 1647, 1618, 1545, 1278 cm"<1>
NMR (CDC13) : S (ppm) = 2,70 (3H, s) , 3,64 (2H, q, J=5Hz) , 4,67 (2H, t, J=5HZ), 7,72 (1H, br s), 8,00 (1H, s)
EKSEMPEL 3
(a) Fosforpentaklorid (13,35 g) ble i små porsjoner satt til en suspensjon av 2-metyl-4-tiazolkarboksylsyre (7,65 g) i tørt diklormetan i løpet av 10 minutter. Den resulterende blanding ble kraftig omrørt i halvannen time ved romtemperatur og derefter konsentrert under redusert trykk. Residuet ble oppløst i tørt benzen (40 ml), og blandingen ble konsentrert under redusert trykk for å oppnå gule pulvere av 2-metyl-4-tiazolkarbonylklorid (9,0 g). (b) Trietylamin (14,91 ml) ble dråpevis satt til en suspensjon av nitratsalt av 2-aminoetylnitrat (8,18 g) i tørt diklormetan (95 ml) under isvannavkjøling. 2-Metyl-4-tiazolkarbonylklorid, oppnådd ovenfor, ble tilsatt i små porsjoner ved 0-5°C i løpet av 40 minutter. Den resulterende blanding ble omrørt i 30 minutter ved samme temperatur og konsentrert under redusert trykk. Residuet ble oppløst i en blanding av vann og etylacetat, og den organiske fase ble skilt fra, vasket med saltoppløsning og tørret over vandig magnesiumsulfat. Oppløsningsmidlet ble avdampet under redusert trykk for å oppnå et olje-aktig produkt av N-(2-nitrooksyetyl)-2-metyl-4-tiazol-karboksamid. IR (Nujol): 3280, 3135, 1647, 1618, 1545, 1278 cm"<1 >(c) N-(2-Nitrooksyetyl)-2-metyl-4-tiazolkarboksamid ble omdannet til dets hydroklorid på konvensjonell måte efterfulgt av omkrystallisering av etanol for å oppnå hvite krystaller av N-(2-nitrooksyetyl)-2-metyl-4-tiazol-karboksamid hydroklorid.
Smp.: 133-134°C (spaltning)
IR (Nujol): 3200, 1660, 1620, 1285, 880 cm"<1>
NMR (DMSO-d6) : S (ppm) = 2,71 (3H, s) , 3,61 (2H, kvartett, J=5Hz), 4,66 (2H, t, J=5Hz), 8,12 (1H, s), 8,60 (1H, br t, J=5HZ), 12,80 (1H, s)
Massespektrum (m/e): 231, 185, 169, 155, 126
EKSEMPEL 4
(a) Følgende forbindelse ble oppnådd på lignende måte som
beskrevet i eksempel 3(a).
2-Acetamido-4-tiazolylacetylkloridhydroklorid IR (Nujol): 2660 (br), 1777, 1683, 1377 (b) Følgende forbindelse ble oppnådd på lignende måte som beskrevet i eksempel 3(b) og eksempel 3(c) efter hverandre.
N-(2-Nitrooksyetyl)-2-(2-acetamido-4-tiazolyl)acetamid-hydroklorid
Smp.: 82-85°C (etanoldiisopropyleter)
IR (Nujol): 3420, 3240, 1699, 1650, 1612, 1540, 1380, 1279 cm"<1>
NMR (DMS0-d6) : <S (ppm) =2,12 (3H, s) , 3,27-3,68 (4H, m) , 4,55 (2H, t, J=5Hz), 6,88 (1H, s), 8,00-9,33 (3H, m)
Massespektrum (m/e): 288, 245, 225, 183, 43
EKSEMPEL 5
Følgende forbindelser ble oppnådd på lignende måte som beskrevet i eksempel 3(a) og eksempel 3(b) efter hverandre.
(1) N-(2-Nitrooksyetyl)-2-acetamido-4-tiazolkarboksamid
IR (Nujol): 3360, 3165, 3110, 1660, 1645, 1620, 1545, 1285, 1265, 1010, 865 cm"<1>
NMR (DMS0-d6) : S (ppm) = 2,18 (3H, s) , 3,45 (1H, br s) , 3,66 (2H, kvartett, J=5Hz), 4,59 (2H, t, J=5Hz), 7,81
(1H, S), 8,11 (1H, t, J=5HZ)
Massespektrum (m/e): 274, 232, 211, 198, 169, 127, 43
(2) N-(2-Nitrooksyetyl)-2-(N-metylacetamido)-4-tiazolkarboks-amid
Smp.: 134-135°C (spaltning) (etanol)
IR (Nujol): 3410, 1670, 1650, 1620, 1280, 890, 870 cm"<1>
NMR (DMS0-d6) : S (ppm) = 2,40 (3H, s) , 3,4-3,9 (2H, m) , 3,75 (3H, S), 4,68 (2H, t, J=5Hz), 7,80 (1H, s), 8,51
(1H, br t, J=5Hz)
Massespektrum (m/e): 288, 246, 212, 183, 141, 43
(3) N-(2-Nitrooksyetyl)-2-benzamido-4-tiazolkarboksamid Smp.: 154-155°C (spaltning) (etylacetatdiisopropyleter)
IR (Nujol): 3355, 1650, 1630, 1535, 1285, 855, 705 cm"<1>
NMR (DMS0-d6) : S (ppm) = 3,71 (2H, kvartett, J=5Hz), 4,70 (2H, t, J=5Hz), 7,4-8,4 (7H, m), 12,60 (1H, s)
Massespektrum (m/e): 336, 283, 260, 231, 105, 77
(4) N-(2-Nitrooksyetyl)-2-(N,N-dimetylamino)-4-tiazolkarboks-amid
Smp.: 94-95°C (etylacetatdiisopropyleter)
IR (Nujol): 3360, 3300, 3090, 1640, 1620, 1560, 1540, 1280, 985, 875 cm"<1>
NMR (DMS0-d6) : S (ppm) = 3,08 (6H, s), 3,63 (2H, kvartett, J=6Hz), 4,67 (2H, t, J=6Hz), 7,38 (1H, s), 8,30 (1H, br t, J=6Hz)
Massespektrum (m/e): 260, 215, 197, 184, 155, 127
(5) N-(2-Nitrooksyetyl)-2-metylamino-4-tiazol-karboksamid Smp.: 68-70"C
IR (Nujol): 3350, 3220, 3110, 1645, 1630, 1585, 1540, 1285, 860 cm"<1>
NMR (CDC13) : 6" (ppm) = 3,00 (3H, s) , 3,76 (2H, kvartett, J=6Hz), 4,63 (2H, t, J=6Hz), 5,5 (1H, br s), 7,37 (1H, s), 7,56 (1H, br s)
Massespektrum (m/e): 246, 183, 170, 141, 113
(6) N-(2-Nitrooksyetyl)-2,5-dimetyl-4-tiazolkarboksamid Smp.: 114-116°C (etanoldiisopropyleter)
IR (Nujol): 1650, 1610, 1280, 880 cm"<1>
NMR (DMS0-d6) : S (ppm) = 2,64 (3H, s), 2,71 (3H, s), 3,63 (2H, kvartett, J=6Hz), 4,69 (2H, t, J=6Hz), 8,49 (1H, br t, J=6Hz)
Massespektrum (m/e): 199, 182, 169, 140
(7) N-[1,1-Bis(nitrooksymetyl)etyl]-2-metyl-4-tiazolkarboks-amid
Smp.: 78-81°C (diisopropyleter-n-heksan)
IR (Nujol): 3380, 3130, 1660, 1625, 1530, 1285, 995, 870, 760 cm"1
NMR (CDC13) : S (ppm) = 1,57 (3H, s), 2,70 (3H, s), 4,83 (2H, d, J=7Hz), 4,98 (2H, d, J=7Hz), 7,40 (1H, br s), 7,95 (1H, s)
Massespektrum (m/e): 244, 126
(8) N-[1,1-Bis(nitrooksymetyl)-2-nitrooksyetyl]-2-metyl-4-tiazolkarboksamid
Smp.: 102-104°C (etylacetatdiisopropyleter)
IR (Nujol): 3250, 1650, 1630, 1270, 855 cm"<1>
NMR (CDCI3) : S (ppm) = 2,72 (3H, s) , 5,00 (6H, s) , 7,60 (1H, br s), 7,98 (1H, s)
Massespektrum (m/e): 305, 242, 126
(9) N-(2-nitrooksyetyl)-2-morfolino-4-tiazolkarboksamid Smp.: 127-128°C
IR (Nujol): 3200, 1632, 1603, 1516, 1282, 1230, 1108, 893 cm"1
NMR (DMSO-d5) : S (ppm) = 3,2-4,0 (10H, m) , 4,66 (2H, t, J=5,5Hz), 7,49 (1H, s), 8,32 (1H, brt, J=6Hz)
Massespektrum (m/e): 302, 239, 226, 197
(10) N-(2-Nitrooksyetyl)-2-piperidino-4-tiazolkarboksamid Smp.: 96-98°C (spaltning) (n-heksan-etylacetat)
IR (Nujol): 3280, 1640, 1620, 1530, 1282 cm"<1>
NMR (CDC13) : S (ppm) = 1,42-2,00 (6H, m) , 3,22-3,93 (4H, m), 4,63 (2H, t, J=5Hz), 7,37 (1H, s), 7,47 (1H, br s)
Massespektrum (m/e): 300, 237, 224, 195
(11) N-(2-Nitrooksyetyl)-2-fenyl-4-tiazolkarboksamid Smp.: 94-95°C
IR (Nujol): 3280, 1655, 1620, 1540, 1282 cm"<1>
NMR (DMS0-d6) : 6 (ppm) = 3,47-3,93 (2H, m) , 4,73 (2H, t, J=5HZ), 7,42-7,77 (3H, m), 7,93-8,28 (2H, m), 8,35 (1H, s), 8,60-9,03 (1H, m)
Massespektrum (m/e): 293, 247, 230, 217, 188
(12) N-(2-Nitrooksyetyl)-2-(3-pyridyl)-4-tiazolkarboksamid Smp.: 121-126°C (spaltning) (n-heksan kloroform)
IR (Nujol): 3255, 1650, 1600, 1536, 1280 cm"<1>
NMR (DMS0-d6) : S (ppm) = 3,52-3,95 (2H, m) , 4,72 (2H, t, J=5Hz), 7,60 (1H, dd, J=6, 8Hz), 8,28-8,57 (2H, m), 8,63-9,05 (2H, m), 9,30 (1H, d, J=2Hz)
Massespektrum (m/e): 294, 248, 231, 218, 189
(13) N-(2-Nitrooksyetyl)-2-lauroylamino-4-tiazolkarboksamid Smp.: 122-126°C (spaltning) (diisopropyletertylacetat)
IR (Nujol): 3130, 1675 (skulder), 1630, 1542, 1281 cm"<1>
NMR (CDC13) : S (ppm) = 0,67-1,67 (21H, m), 2,55 (2H, br t, J=7Hz), 3,67-4,00 (2H, m), 4,65 (2H, t, J=5Hz), 7,43 (1H, br s), 7,77 (1H, s), 9,33 (1H, br s)
Massespektrum (m/e): 414, 351, 183, 155, 127
(14) N-(2-Nitrooksyetyl)-2-butyramido-4-tiazolkarboksamid Smp.: 83-86°C (spaltning)
IR (Nujol): 3390, 3145, 1630, 1540, 1280
NMR (CDCI3) : S (ppm) = 1,03 (3H, t, J=7Hz), 1,50-2,35 (2H, m), 2,53 (2H, t, J=7Hz), 3,60-4,00 (2H, m), 4,65 (2H, t, J=5Hz), 7,43 (1H, br s), 7,77 (1H, s), 9,37 (1H, br s)
Massespektrum (m/e): 302, 239, 232, 226, 197, 169, 71, 43
(15) N-(2-Nitrooksyetyl)-2-metoksykarbonylamino-4-tiazol-karboksamid
IR (film): 3360 (skulder), 3170, 1718, 1622 (br), 1540, 1280 cm"<1>
NMR (CDCI3) : S (ppm) = 3,64-3,89 (2H, m), 3,91 (3H, s) , 4,66 (2H, t, J=5Hz), 7,40 (1H, br s), 7,77 (1H, s), 8,29
(1H, br s)
Massespektrum (m/e): 290, 227, 214, 185, 59
(16) N-(2-Nitrooksyetyl)-2-(3-metylureido)-4-tiazolkarboksamid Smp.: 128-132°C (spaltning) (n-heksan -etanol)
IR (Nujol): 3360, 1700, 1620, 1530 (br), 1280 cm"<1>
NMR (DMS0-d6) : S (ppm) = 2,73 (3H, d, J=4Hz) , 3,45-3,87 (2H, m), 4,68 (2H, t, J=5Hz), 6,50-6,83 (1H, m), 7,65 (1H, s), 8,00-8,35 (1H, m) , 10,48 (1H, br s)
Massespektrum (m/e): 289, 288, 226, 212, 183, 46
(17) N-[2,3-Bis(nitrooksy)propyl]-2-metyl-4-tiazolkarboksamid
NMR (DMS0-d5) : S (ppm) = 2,70 (3H, s) , 3,6-4,05 (2H, m) , 4,4-5,2 (2H, m) , 5,3-5,8 (1H, m), 7,7 (1H, br s), 7,97
(1H, s)
Massespektrum (m/e): 306, 243, 197, 155, 126, 98
EKSEMPEL 6
Følgende forbindelser ble oppnådd på lignende måte som beskrevet i eksempel 3(a), eksempel 3(b) og eksempel 3(c) efter hverandre.
(1) N-(2-Nitrooksyetyl)-2-butyl-4-tiazolkarboksamidhydroklorid
Smp.: 113-114°C (etanoldiisopropyleter)
IR (Nujol): 3180, 3050, 2580 (skulder), 1658, 1630, 1580, 1282 cm"<1>
NMR (DMS0-d6) : S (ppm) = 0,92 (3H, t, J=6Hz) , 1,10-2,03 (4H, m), 3,03 (2H, br t, J=6Hz), 3,43-3,83 (2H, m), 4,67 (2H, t, J=5Hz), 8,13 (1H, s), 8,20 (1H, s), 8,53
(lH,br,s)
Massespektrum (m/e): 273, 227, 211, 197, 168
(2) N-(2-Nitrooksyetyl)-2-(N,N-dimetylaminometyl)-4-tiazol-karboksamidhydroklorid
Smp.: 119-120°C (spaltning) (etanol)
IR (Nujol): 3340, 3075, 2550, 2450, 1655, 1625, 1540, 1280, 1270, 865 cm"<1>
NMR (DMS0-d6) : <S (ppm) = 2,88 (6H, s) , 3,68 (2H, kvartett, J=5Hz), 4,72 (2H, t, J=5Hz), 4,76 (2H, s), 8,47 (1H, s), 8,81 (1H, br t, J=5Hz), 11,5 (1H, br s)
Massespektrum (m/e): 275, 274, 231, 185, 155, 126, 58, 44
(3) N-(2-Nitrooksyetyl)-4-metyl-5-tiazolkarboksamidhydroklorid
Smp.: 76-78°C (spaltning) (etanoldiisopropyleter)
IR (Nujol): 3275, 3150, 2375, 1940, 1820, 1664, 1638, 1609, 1538, 1282, 1274 cm"<1>
NMR (DMS0-d6) : S (ppm) = 2,60 (3H, s) , 3,61 (2H, q, J=5Hz), 4,69 (2H, t, J=5Hz), 8,30 (2H, s), 8,67 (1H, br t, J=5Hz), 9,23 (1H, s)
Massespektrum (m/e): 231, 185, 168, 155, 126
EKSEMPEL 7
Følgende forbindelser ble oppnådd på lignende måte som beskrevet i eksempel 1 og eksempel 3(c) efter hverandre.
(1) N-(2-Nitrooksyetyl)-2,4-dimetyl-5-tiazolkarboksamid-hydroklorid
Smp.: 122-123°C (spaltning) (etanoldiisopropyleter)
IR (Nujol): 3175, 2270 (br), 1890, 1660, 1620, 1525, 1278 cm"1
NMR (DMS0-d6) : S (ppm) = 2,57 (3H, s) , 2,72 (3H, s) , 3,59 (2H, q, J=5Hz), 4,67 (2H, t, J=5Hz), 8,60 (1H, br s), 12,90 (1H, br s)
Massespektrum (m/e): 245, 199, 182, 169, 140
(2) N-(2-Nitrooksyety1)-2-metyl-5-tiazolkarboksamidhydroklorid
Smp.: 119-120°C (spaltning)
IR (Nujol): 3230, 2400, 1655, 1610, 1550, 1285, 880, 860 cm"1
NMR (DMSO-d6) : S (ppm) = 2,72 (3H, s) , 3,62 (2H, kvartett, J=5Hz), 4,59 (2H, t, J=5Hz), 8,38 (1H, s), 9,33 (1H, br), 16,1 (1H, s)
Massespektrum (m/e): 231, 185, 168, 155, 126, 98
(3) N-(2-Nitrooksyetyl)-5-tiazolkarboksamidhydroklorid Smp.: 125°C (spaltning)
IR (Nujol): 3200, 3110, 3060, 2500, 1655, 1630, 1545, 1280, 995, 860, 845 cm"<1>
NMR (DMS0-d6) : 6" (ppm) = 3,64 (2H, kvartett, J=5Hz), 4,71 (2H, t, J=5Hz), 8,62 (1H, s), 9,3 (1H, br s), 9,31 (1H, s), 11,80 (1H, s)
Massespektrum (m/e): 171, 154, 141, 112, 84
(4) N-(3-Nitrooksypropy1)-2-metyl-4-tiazolkarboksamidhydro-klorid
Smp.: 133-135°C (spaltning) (etanol)
IR (Nujol): 3180, 3060, 2650, 1660, 1620, 1550, 1280, 875 cm"<1>
NMR (DMSO-d6) : S (ppm) = 1,93 (2H, kintet, J=7Hz), 2,73 (3H, s), 3,38 (2H, kvartett, J=7Hz), 4,58 (2H, t, J=7Hz), 8,14 (1H, s), 8,60 (1H, br t, J=7Hz), 12,03 (1H, s)
Massespektrum (m/e): 245, 199, 183, 169, 155, 126, 98
(5) N-[2-(2-Nitrooksyetoksy)etyl]-2-metyl-4-tiazol-karboksamidhydroklorid
Smp.: 125-127°C (spaltning) (isopropylalkohol)
IR (Nujol): 3190, 3060, 1650, 1630, 1560, 1290, 900, 860 cm"1
NMR (DMSO-d6) : S (ppm) =2,70 (3H, s) , 3,3-3,9 (6H, m) , 4,55-4,8 (2H, m), 8,13 (1H, s), 8,26 (1H, br t, J=6Hz), 9,73 (1H, S)
Massespektrum (m/e): 276, 229, 200, 185, 169, 155, 126, 98
(6) N-(4-Nitrooksybutyl)-2-metyl-4-tiazolkarboksamidhydroklorid
Smp.: 148-150°C (spaltning) (isopropylalkohol)
IR (Nujol): 3200, 3080, 1665, 1625, 1560, 1285 cm"<1>
NMR (DMSO-d6) : S (ppm) = 1,65 (4H, m) , 2,73 (3H, s) , 3,32 (2H, m), 4,57 (2H, t, J=6Hz), 8,13 (1H, s), 8,47 (1H, br), 12,57 (1H, s)
Massespektrum (m/e): 260, 259, 213, 155, 126
0
(7) N-[2-(2-Nitrooksyetoksy)etyl]-4-tiazolkarboksamidhydro-klorid
Smp.: 86-88°C (etanoldiisopropyleter)
IR (Nujol): 3400, 3220, 3055, 1905, 1640 (br), 1540, 1280 cm"1
NMR (DMS0-d6) : S (ppm) = 3,35-4,02 (6H, m) , 4,58-4,90 (2H, m), 8,23 (1H, s), 8,20-8,67 (1H, m), 8,37 (1H, d, J=2Hz), 9,25 (1H, d, J=2Hz)
Massespektrum (m/e): 215, 185, 171, 155, 141, 112
EKSEMPEL 8
Følgende forbindelser ble oppnådd på lignende måte som beskrevet i eksempel 3(a) og eksempel 3(b) efter hverandre.
(1) N-(2-Nitrooksyetyl)-4-tiazolkarboksamid
IR (Nujol): 3300, 3070, 1648, 1620, 1535, 1277 cm"<1>
(2) N-(2-Nitrooksyetyl)-2-amino-4-tiazolkarboksamid
IR (Nujol): 3350, 3280, 3175, 1635 (skulder), 1620 (skulder), 1605, 1542, 1522, 1282 cm"<1>
(3) N-(2-Nitrooksyetyl)-2-klor-4-tiazolkarboksamid
IR (Nujol): 3315, 3080, 1640 (skulder), 1615, 1535, 1280 cm"1
(4) N-(2-Nitrooksyetyl)-2-tiazolkarboksamid
IR (Nujol): 3280, 3085, 1650, 1520, 1275 cm"<1>
(5) N-(2-Nitrooksyetyl)-5-metyl-2-tiazolkarboksamid
IR (Nujol): 3300, 1650 (skulder), 1625, 1540, 1280 cm"<1>
(6) N,N'-Bis(2-nitrooksyetyl)-2,4-tiazoldikarboksamid
IR (Nujol): 3410, 1671, 1625, 1610, 1540, 1281 cm"<1>
(7) N-(2-Nitrooksyetyl)-3-(2-metyl-4-tiazolyl)-(E)-propenamid
IR (Nujol): 3200, 3105, 1645, 1610, 1550, 1280 cm"<1>
(8) N-(2-Nitrooksyetyl)-3-(4-tiazolyl)-(E)-propenamid
IR (Nujol): 3250, 3080, 1650, 1620, 1558, 1277 cm"<1>
(9) N,N'-Bis(2-Nitrooksyetyl)-2,5-tiazoldikarboksamid
IR (Nujol): 3300, 3230, 1625, 1610, 1515, 1275, 865, 845 cm"1
(10) N-(2-Nitrooksyetyl)-2-metyl-4-oksazolkarboksamid
IR (Nujol): 3380, 3090, 1650, 1630, 1605, 1510, 1280, 1010, 980, 885 cm"<1>
(11) N-(2-Nitrooksyetyl)-2-trifluormetyl-5-tiazolkarboksamid
IR (Nujol): 3320, 1625, 1550, 1290, 1280, 1150, 1040, 860 cm"1 (12) N-(2-Nitrooksyetyl)-2-trifluormetyl-4-tiazolkarboksamid IR (Nujol): 3270, 1650, 1620, 1535, 1275 cm"<1 >(13) N-[2-(2-Nitrooksyetoksy)etyl]-2-metyl-5-tiazolkarboksamid IR (Nujol): 3310, 1610, 1560, 1275, 1120, 870, 850 cm"<1>
(14) N-[2-(2-Nitrooksyetoksy)etyl]-5-tiazolkarboksamid
IR (Nujol): 3280, 3070, 1660, 1620, 1540, 1280, 1110 cm"<1>
(15) N-[2-(2-Nitrooksyetoksy)etyl]-2-metyl-4-oksazol-karboksamid
IR (Nujol): 3400, 3130, 3100, 1650, 1620, 1605, 1580, 1510, 1285, 860 cm"<1>
(16) N-(2-Nitrooksyetyl)-2-fenyl-5-tiazolkarboksamid
IR (Nujol): 3300, 1622, 1550, 1278 cm"<1 >(17) N-(2-Nitrooksyetyl)-2-(3-nitrofenyl)-4-tiazolkarboksamid IR (Nujol): 3395, 3110, 1650, 1620, 1520, 1340, 1272 cm"<1 >(18) N-(2-Nitrooksyetyl)-2-(2-nitrofenyl)-4-tiazolkarboksamid
IR (Film): 3400, 3120, 1655 (skulder), 1625, 1525, 1357, 1280 cm"<1>
(19) N-(2-Nitrooksyetyl)-2-metyl-4-tiazolkarboksamid
IR (Nujol): 3280, 3135, 1647, 1618, 1545, 1278 cm"<1>
EKSEMPEL 9
Følgende forbindelser ble oppnådd på lignende måte som beskrevet i eksempel 3(a), eksempel 3(b) og eksempel 3(c) efter hverandre.
(1) N- (2-Nitrooksyetyl) -2,4-dimetyl-5-tiazolkarboksamidhyd.ro-klorid
IR (Nujol): 3175, 2270 (br), 1890, 1660, 1620, 1525, 1278 cm"1
(2) N-(2-Nitrooksyetyl)-2-metyl-5-tiazolkarboksamidhydroklorid
IR (Nujol): 3230, 2400, 1655, 1610, 1550, 1285, 880, 860 cm"1
(3) N-(2-Nitrooksyetyl)-5-tiazolkarboksamidhydroklorid
IR (Nujol): 3200, 3110, 3060, 2500, 1655, 1630, 1545, 1280, 995, 860, 845 cm"<1>
(4) N-(3-Nitrooksypropy1)-2-metyl-4-tiazolkarboksamidhydro-klorid
IR (Nujol): 3180, 3060, 2650, 1660, 1620, 1550, 1280, 875 cm"1
(5) N-[2-(2-Nitrooksyetoksy)etyl]-2-metyl-4-tiazol-karboksamidhydroklorid
IR (Nujol): 3190, 3060, 1650, 1630, 1560, 1290, 900, 860 cm"1
(6) N-(4-Nitrooksybutyl)-2-metyl-4-tiazolkarboksamidhydroklorid
IR (Nujol): 3200, 3080, 1665, 1625, 1560, 1285 cm"<1>
(7) N-[2-(2-Nitrooksyetoksy)etyl]-4-tiazolkarboksamidhydro-klorid
IR (Nujol): 3400, 3220, 3055, 1905, 1640 (br), 1540, 1280 cm"1
EKSEMPEL 10
Følgende forbindelse ble oppnådd på lignende måte som beskrevet i eksempel 1 og eksempel 3(c) efter hverandre.
N-(2-Nitrooksyetyl)-2-(2-acetamido-4-tiazolyl)acetamidhydro-klorid
IR (Nujol): 3420, 3240, 1699, 1650, 1612, 1540, 1380, 1279 cm"<1>
EKSEMPEL 11
Følgende forbindelser ble oppnådd på lignende måte som beskrevet i eksempel 1.
(1) N-(2-Nitrooksyetyl)-2-acetamido-4-tiazolkarboksamid
IR (Nujol): 3360, 3165, 3110, 1660, 1645, 1620, 1545, 1285, 1265, 1010, 865 cm"<1>
(2) N-(2-Nitrooksyetyl)-2-(N-metylacetamido)-4-tiazolkarboks-amid
IR (Nujol): 3410, 1670, 1650, 1620, 1280, 890, 870 cm"<1>
(3) N-(2-Nitrooksyetyl)-2-benzamido-4-tiazolkarboksamid
IR (Nujol): 3355, 1650, 1630, 1535, 1285, 855, 705 cm"<1>
(4) N-(2-Nitrooksyetyl)-2-(N,N-dimetylamino)-4-tiazolkarboks-amid
IR (Nujol): 3360, 3300, 3090, 1640, 1620, 1560, 1540, 1280, 985, 875 cm"<1>
(5) N-(2-Nitrooksyetyl)-2-metylamino-4-tiazolkarboksamid
IR (Nujol): 3350, 3220, 3110, 1645, 1630, 1585, 1540, 1285, 860 cm"<1>
(6) N-(2-Nitrooksyetyl)-2,5-dimetyl-4-tiazolkarboksamid
IR (Nujol): 1650, 1610, 1280, 880 cm"<1>
(7) N-[1,1-Bis(nitrooksymetyl)etyl]-2-metyl-4-tiazolkarboks-amid
IR (Nujol): 3380, 3130, 1660, 1625, 1530, 1285, 995, 870, 760 cm"<1>
(8) N-[1,1-Bis(nitrooksymetyl)-2-nitrooksyetyl]-2-metyl-4-tiazolkarboksamid
IR (Nujol): 3250, 1650, 1630, 1270, 855 cm"<1>
(9) N-(2-Nitrooksyetyl)-2-morfolino-4-tiazolkarboksamid
IR (Nujol): 3200, 1632, 1603, 1516, 1282, 1230, 1108, 893 cm"1 (10) N-(2-Nitrooksyetyl)-2-piperidino-4-tiazolkarboksamid IR (Nujol): 3280, 1640, 1620, 1530, 1282 cm"<1>
(11) N-(2-Nitrooksyetyl)-2-fenyl-4-tiazolkarboksamid
IR (Nujol): 3280, 1655, 1620, 1540, 1282 cm"<1>
(12) N-(2-Nitrooksyetyl)-2-(3-pyridyl)-4-tiazolkarboksamid IR (Nujol): 3255, 1650, 1600, 1536, 1280 cm"<1 >(13) N-(2-Nitrooksyetyl)-2-lauroylamino-4-tiazolkarboksamid IR (Nujol): 3130, 1675 (skulder), 1630, 1542, 1281 cm"<1 >(14) N-(2-Nitrooksyetyl)-2-butyramido-4-tiazolkarboksamid IR (Nujol): 3390, 3145, 1630, 1540, 1280 cm"<1 >(15) N-(2-Nitrooksyetyl)-2-metoksykarbonylamino-4-tiazolkarboksamid
IR (film): 3360 (skulder), 3170, 1718, 1622 (br), 1540, 1280 cm"<1 >(16) N-(2-Nitrooksyetyl)-2-(3-metylureido)-4-tiazolkarboksamid IR (Nujol): 3360, 1700, 1620, 1530 (br), 1280 cm"<1 >(17) N-[2,3-Bis(nitrooksy)propyl]-2-metyl-4-tiazolkarboksamid
NMR (DMS0-d6) : S (ppm) = 2,70 (3H, s) , 3,6-4,05 (2H, m) , 4,4-5,2 (2H, m), 5,3-5,8 (1H, m), 7,7 (1H, br s), 7,97
(1H, s)
EKSEMPEL 12
Følgende forbindelser ble oppnådd på lignende måte som beskrevet i eksempel 1 og eksempel 3(c) efter hverandre.
(1) N-(2-Nitrooksyetyl)-2-butyl-4-tiazolkarboksamidhydroklorid
IR (Nujol): 3180, 3050, 2580 (skulder), 1658, 1630, 1580, 1282 cm"<1>
(2) N-(2-Nitrooksyetyl)-2-(N,N-dimetylaminometyl)-4-tiazol-karboksamidhydroklorid
IR (Nujol): 3340, 3075, 2550, 2450, 1655, 1625, 1540, 1280, 1270, 865 cm"<1>
(3) N-(2-Nitrooksyetyl)-4-metyl-5-tiazolkarboks-amidhydroklorid
IR (Nujol): 3275, 3150, 2375, 1940, 1820, 1664, 1638, 1609, 1538, 1282, 1274 cm"<1>
Claims (3)
1. Analogifremgangsmåte for fremstilling av en terapeutisk aktiv forbindelse med formelen:
hvor R<1> betegner hydrogen, Ci-Cg alkyl, halogen(C1-C6)alkyl,
halogen, fenyl, nitrofenyl, pyridyl, morfolino, piperidino, amino, C1-C24 alkanoylamino, benzamido, C1-C6 alkoksykarbonylamino, N-C1-C6 alkylamino, N,N-di(C1-C6)alkylamino, N-C1-C6 alkyl-N-Ci-C6 alkanoylamino, 3-C1-C6 alkylureido eller N,N-di (C1-C6)alkylamino(C1-C6)alkyl,
R<2> betegner hydrogen, C1-C6 alkyl eller N-[nitrooksy-
(C1-C6)alkyl]karbamoyl,
X betegner -0- eller -S-,
Y betegner en enkel binding, C]_-C6 alkylen eller C2-C6
alkenylen, og
Z betegner C1-C6 alkylen C1-C6 alkylen substituert med
én eller to nitrooksy-grupper, eller Ci-Cg alkylenoksy(C1-C6)alkylen,
eller et salt derav,
karakterisert ved at (a) en forbindelse med formelen:
hvor R<1>, R<2>, X og Y har den ovenfor angitte betydning,
eller dens reaktive derivat ved karboksygruppen eller et salt derav, omsettes med en forbindelse med formelen:
hvor Z har den ovenfor angitte betydning,
eller dens reaktive derivat ved aminogruppen eller et salt derav, for å danne en forbindelse med formelen:
hvor hver av R<1>, R<2>, X, Y og Z har den ovenfor angitte betydning,
eller et salt derav; eller (b) en forbindelse med formelen:
hvor R<2>a betegner hydrogen, Ci-Cg alkyl eller N-[hydroksy
(cl~c6)alkyl]karbamoyl, og
R<1>, X, Y og Z hver har den ovenfor angitte betydning, eller et salt derav, omsettes med nitreringsmiddel, for å danne en forbindelse med formelen:
hvor R<1>, R<2>, X, Y og Z hver har den ovenfor angitte betydning, eller et salt derav.
2. Fremgangsmåte ifølge krav 1 for fremstilling av N-(2-nitrooksyetyl)-2-metyl-4-tiazolkarboksamid eller dets hydroklorid, karakterisert ved at det anvendes tilsvarende utgangsmaterialer.
3. Fremgangsmåte ifølge krav 1 for fremstilling av N-(2-nitrooksyetyl)-4-tiazolkarboksamid, karakterisert ved at det anvendes tilsvarende utgangsmaterialer.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB878717068A GB8717068D0 (en) | 1987-07-20 | 1987-07-20 | Nitric ester derivative |
Publications (4)
Publication Number | Publication Date |
---|---|
NO883208D0 NO883208D0 (no) | 1988-07-19 |
NO883208L NO883208L (no) | 1989-01-23 |
NO172049B true NO172049B (no) | 1993-02-22 |
NO172049C NO172049C (no) | 1993-06-02 |
Family
ID=10620954
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO883208A NO172049C (no) | 1987-07-20 | 1988-07-19 | Analogifremgangsmaate for fremstilling av terapeutisk aktive salpetersyreesterderivater |
Country Status (19)
Country | Link |
---|---|
US (2) | US4923886A (no) |
EP (1) | EP0300400B1 (no) |
JP (1) | JPH0228167A (no) |
KR (1) | KR890002067A (no) |
CN (1) | CN1021046C (no) |
AT (1) | ATE102928T1 (no) |
AU (1) | AU623858B2 (no) |
DE (1) | DE3888415T2 (no) |
DK (1) | DK375988A (no) |
FI (1) | FI883402A (no) |
GB (1) | GB8717068D0 (no) |
HU (1) | HU203227B (no) |
IL (1) | IL86959A (no) |
MX (1) | MX12317A (no) |
NO (1) | NO172049C (no) |
PH (1) | PH24481A (no) |
PT (1) | PT88019B (no) |
SU (2) | SU1706388A3 (no) |
ZA (1) | ZA884987B (no) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3941438A1 (de) * | 1989-12-15 | 1991-06-20 | Hoechst Ag | Neue 2-substituierte 4-(3-alkyl-5-tert.-butyl-4-hydroxy-phenyl)-thiazole, verfahren zu ihrer herstellung, die sie enthaltenden arzneimittel und ihre verwendung |
IT1243367B (it) * | 1990-07-26 | 1994-06-10 | Italfarmaco Spa | Derivati acidi benzoici sostituiti ad attivita' cardiovascolare |
US5298516A (en) * | 1991-03-27 | 1994-03-29 | Sankyo Company, Limited | Thiazolidone compounds and method of using the same as a vasodilator |
JP3454531B2 (ja) * | 1991-11-07 | 2003-10-06 | 三共株式会社 | ニトロキシアルキルアミド誘導体 |
IT1256450B (it) * | 1992-11-26 | 1995-12-05 | Soldato Piero Del | Esteri nitrici con attivita' farmacologica e procedimento per la loro preparazione |
CN1092649C (zh) * | 1994-12-15 | 2002-10-16 | 三共株式会社 | 噻唑烷酮化合物或以其作为有效成分的心绞痛治疗剂或预防剂 |
CA2214386C (en) * | 1995-03-02 | 2001-12-04 | Sadao Ishihara | Optically active thiazolidinone derivatives |
US5925658A (en) * | 1995-03-02 | 1999-07-20 | Sankyo Company, Limited | Optically active thiazolidinone derivative |
IL120531A (en) * | 1997-03-26 | 2006-12-31 | Yissum Res Dev Co | Nitric oxide donors and pharmaceutical compositions containing them |
WO2000062778A1 (en) | 1999-04-15 | 2000-10-26 | Bristol-Myers Squibb Co. | Cyclic protein tyrosine kinase inhibitors |
US6933308B2 (en) * | 2002-12-20 | 2005-08-23 | Bristol-Myers Squibb Company | Aminoalkyl thiazole derivatives as KCNQ modulators |
US7273866B2 (en) * | 2002-12-20 | 2007-09-25 | Bristol-Myers Squibb Company | 2-aryl thiazole derivatives as KCNQ modulators |
US8134010B2 (en) * | 2004-05-05 | 2012-03-13 | Renopharm Ltd. | Thiazole-based nitric oxide donors having aryl substituent(s) and uses thereof |
US7968575B2 (en) * | 2004-05-05 | 2011-06-28 | Renopharm Ltd. | Nitric oxide donors and uses thereof |
WO2005105765A1 (en) * | 2004-05-05 | 2005-11-10 | Renopharm Ltd. | Nitric oxide donors and uses thereof |
DE102009037555A1 (de) * | 2009-08-13 | 2011-03-03 | Synovo Gmbh | Ein neuartiges, schonendes Verfahren zur direkten Nitrierung von Hydroxyl-, Thiol- und Aminogruppen in organischen Molekülen mittels in situ generiertem Kohlensäuredinitrat |
KR101045041B1 (ko) * | 2009-10-27 | 2011-06-28 | (주)에스엠이엔지 | 봉합침 제조방법 |
WO2013060673A1 (en) * | 2011-10-24 | 2013-05-02 | Nicox S.A. | Quinone based nitric oxide donating compounds |
RU2015105097A (ru) * | 2012-08-23 | 2016-10-10 | Кардиолинкс Аг | Композиции аминоалкилнитрата с пролонгированным высвобождением |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4200640A (en) * | 1976-04-02 | 1980-04-29 | Chugai Seiyaku Kabushiki Kaisha | Nitric ester of N-(2-hydroxyethyl)nicotinamide and pharmaceutical use |
DE3244178A1 (de) * | 1982-11-30 | 1984-05-30 | Bayer Ag, 5090 Leverkusen | 1,4-dihydropyridinderivate, verfahren zu ihrer herstellung sowie ihre verwendung in arzneimitteln |
DE3433383A1 (de) * | 1984-09-12 | 1986-03-20 | Boehringer Mannheim Gmbh, 6800 Mannheim | Neue phenyl-acetonitril-derivate |
-
1987
- 1987-07-20 GB GB878717068A patent/GB8717068D0/en active Pending
-
1988
- 1988-06-30 US US07/213,623 patent/US4923886A/en not_active Expired - Fee Related
- 1988-07-01 PH PH37159A patent/PH24481A/en unknown
- 1988-07-03 IL IL86959A patent/IL86959A/xx unknown
- 1988-07-06 DK DK375988A patent/DK375988A/da not_active Application Discontinuation
- 1988-07-11 ZA ZA884987A patent/ZA884987B/xx unknown
- 1988-07-15 JP JP63177362A patent/JPH0228167A/ja active Granted
- 1988-07-15 PT PT88019A patent/PT88019B/pt not_active IP Right Cessation
- 1988-07-16 DE DE3888415T patent/DE3888415T2/de not_active Expired - Fee Related
- 1988-07-16 AT AT88111490T patent/ATE102928T1/de not_active IP Right Cessation
- 1988-07-16 EP EP88111490A patent/EP0300400B1/en not_active Expired - Lifetime
- 1988-07-18 FI FI883402A patent/FI883402A/fi not_active Application Discontinuation
- 1988-07-18 MX MX1231788A patent/MX12317A/es unknown
- 1988-07-19 SU SU884356158A patent/SU1706388A3/ru active
- 1988-07-19 KR KR1019880008995A patent/KR890002067A/ko not_active Application Discontinuation
- 1988-07-19 CN CN88104473A patent/CN1021046C/zh not_active Expired - Fee Related
- 1988-07-19 HU HU883775A patent/HU203227B/hu not_active IP Right Cessation
- 1988-07-19 NO NO883208A patent/NO172049C/no unknown
- 1988-07-20 AU AU19199/88A patent/AU623858B2/en not_active Ceased
-
1989
- 1989-06-19 SU SU894614353A patent/SU1760984A3/ru active
-
1990
- 1990-03-16 US US07/494,545 patent/US5010093A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JPH0228167A (ja) | 1990-01-30 |
FI883402A0 (fi) | 1988-07-18 |
CN1021046C (zh) | 1993-06-02 |
HUT47551A (en) | 1989-03-28 |
GB8717068D0 (en) | 1987-08-26 |
PT88019A (pt) | 1989-06-30 |
DE3888415D1 (de) | 1994-04-21 |
AU1919988A (en) | 1989-01-27 |
EP0300400A1 (en) | 1989-01-25 |
MX12317A (es) | 1993-09-01 |
PT88019B (pt) | 1995-03-01 |
KR890002067A (ko) | 1989-04-07 |
HU203227B (en) | 1991-06-28 |
US4923886A (en) | 1990-05-08 |
IL86959A0 (en) | 1988-12-30 |
DK375988D0 (da) | 1988-07-06 |
DE3888415T2 (de) | 1994-07-14 |
JPH0331709B2 (no) | 1991-05-08 |
US5010093A (en) | 1991-04-23 |
CN1031226A (zh) | 1989-02-22 |
EP0300400B1 (en) | 1994-03-16 |
PH24481A (en) | 1990-07-18 |
ATE102928T1 (de) | 1994-04-15 |
ZA884987B (en) | 1989-05-30 |
DK375988A (da) | 1989-01-21 |
AU623858B2 (en) | 1992-05-28 |
NO883208L (no) | 1989-01-23 |
FI883402A (fi) | 1989-01-21 |
SU1760984A3 (ru) | 1992-09-07 |
IL86959A (en) | 1992-12-01 |
SU1706388A3 (ru) | 1992-01-15 |
NO883208D0 (no) | 1988-07-19 |
NO172049C (no) | 1993-06-02 |
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