CA2498843A1 - Process and intermediates for the preparation of thienopyrrole derivatives - Google Patents
Process and intermediates for the preparation of thienopyrrole derivatives Download PDFInfo
- Publication number
- CA2498843A1 CA2498843A1 CA002498843A CA2498843A CA2498843A1 CA 2498843 A1 CA2498843 A1 CA 2498843A1 CA 002498843 A CA002498843 A CA 002498843A CA 2498843 A CA2498843 A CA 2498843A CA 2498843 A1 CA2498843 A1 CA 2498843A1
- Authority
- CA
- Canada
- Prior art keywords
- 6alkyl
- formula
- compound
- carbamoyl
- amino
- 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.)
- Abandoned
Links
- 238000000034 method Methods 0.000 title claims abstract description 15
- 239000000543 intermediate Substances 0.000 title abstract description 7
- 238000002360 preparation method Methods 0.000 title description 3
- 150000001875 compounds Chemical class 0.000 claims abstract description 68
- 239000001257 hydrogen Substances 0.000 claims abstract description 37
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 37
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims abstract description 33
- 125000006239 protecting group Chemical group 0.000 claims abstract description 14
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 claims abstract description 13
- 238000004519 manufacturing process Methods 0.000 claims abstract description 12
- -1 nitro, cyano, hydroxy, fluoromethyl Chemical group 0.000 claims description 177
- 229910052757 nitrogen Inorganic materials 0.000 claims description 51
- 125000003917 carbamoyl group Chemical group [H]N([H])C(*)=O 0.000 claims description 30
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 claims description 28
- 125000000623 heterocyclic group Chemical group 0.000 claims description 24
- 125000003118 aryl group Chemical group 0.000 claims description 23
- 125000000217 alkyl group Chemical group 0.000 claims description 22
- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 claims description 20
- 229910052799 carbon Inorganic materials 0.000 claims description 18
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 16
- 125000001951 carbamoylamino group Chemical group C(N)(=O)N* 0.000 claims description 15
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 15
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Substances N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 15
- 125000000882 C2-C6 alkenyl group Chemical group 0.000 claims description 12
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 claims description 11
- GOJUJUVQIVIZAV-UHFFFAOYSA-N 2-amino-4,6-dichloropyrimidine-5-carbaldehyde Chemical group NC1=NC(Cl)=C(C=O)C(Cl)=N1 GOJUJUVQIVIZAV-UHFFFAOYSA-N 0.000 claims description 10
- 125000003601 C2-C6 alkynyl group Chemical group 0.000 claims description 9
- 125000006624 (C1-C6) alkoxycarbonylamino group Chemical group 0.000 claims description 8
- 125000004432 carbon atom Chemical group C* 0.000 claims description 8
- 125000001028 difluoromethyl group Chemical group [H]C(F)(F)* 0.000 claims description 8
- 239000003795 chemical substances by application Substances 0.000 claims description 7
- 125000004454 (C1-C6) alkoxycarbonyl group Chemical group 0.000 claims description 6
- 125000006552 (C3-C8) cycloalkyl group Chemical group 0.000 claims description 6
- MZRVEZGGRBJDDB-UHFFFAOYSA-N N-Butyllithium Chemical compound [Li]CCCC MZRVEZGGRBJDDB-UHFFFAOYSA-N 0.000 claims description 6
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 claims description 6
- 150000002148 esters Chemical class 0.000 claims description 6
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 6
- 150000003839 salts Chemical class 0.000 claims description 6
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims description 5
- 125000001160 methoxycarbonyl group Chemical group [H]C([H])([H])OC(*)=O 0.000 claims description 5
- 125000000876 trifluoromethoxy group Chemical group FC(F)(F)O* 0.000 claims description 5
- 125000004170 methylsulfonyl group Chemical group [H]C([H])([H])S(*)(=O)=O 0.000 claims description 4
- 125000002861 (C1-C4) alkanoyl group Chemical group 0.000 claims description 3
- 150000001412 amines Chemical class 0.000 claims description 3
- 125000003236 benzoyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C(*)=O 0.000 claims description 3
- 125000001584 benzyloxycarbonyl group Chemical group C(=O)(OCC1=CC=CC=C1)* 0.000 claims description 3
- UYWQUFXKFGHYNT-UHFFFAOYSA-N phenylmethyl ester of formic acid Natural products O=COCC1=CC=CC=C1 UYWQUFXKFGHYNT-UHFFFAOYSA-N 0.000 claims description 3
- 229910052717 sulfur Inorganic materials 0.000 claims description 3
- 125000003161 (C1-C6) alkylene group Chemical group 0.000 claims description 2
- 238000006969 Curtius rearrangement reaction Methods 0.000 claims description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 2
- 230000002378 acidificating effect Effects 0.000 claims description 2
- 229910052698 phosphorus Inorganic materials 0.000 claims description 2
- 125000004169 (C1-C6) alkyl group Chemical group 0.000 claims 13
- 125000001475 halogen functional group Chemical group 0.000 claims 6
- 125000004191 (C1-C6) alkoxy group Chemical group 0.000 claims 5
- 125000004178 (C1-C4) alkyl group Chemical group 0.000 claims 2
- 125000004209 (C1-C8) alkyl group Chemical group 0.000 claims 1
- 238000001727 in vivo Methods 0.000 claims 1
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 24
- 238000000451 chemical ionisation Methods 0.000 description 21
- 125000005843 halogen group Chemical group 0.000 description 20
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 19
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 15
- 238000006243 chemical reaction Methods 0.000 description 15
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 14
- HEDRZPFGACZZDS-MICDWDOJSA-N Trichloro(2H)methane Chemical compound [2H]C(Cl)(Cl)Cl HEDRZPFGACZZDS-MICDWDOJSA-N 0.000 description 11
- 125000001183 hydrocarbyl group Chemical group 0.000 description 10
- 239000007787 solid Substances 0.000 description 10
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 9
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 9
- 239000002585 base Substances 0.000 description 9
- 125000001072 heteroaryl group Chemical group 0.000 description 9
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 9
- 239000000203 mixture Substances 0.000 description 8
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Inorganic materials [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 8
- 238000005160 1H NMR spectroscopy Methods 0.000 description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 7
- 239000000047 product Substances 0.000 description 7
- 239000011541 reaction mixture Substances 0.000 description 7
- 239000000741 silica gel Substances 0.000 description 7
- 229910002027 silica gel Inorganic materials 0.000 description 7
- 239000000243 solution Substances 0.000 description 7
- 239000000725 suspension Substances 0.000 description 7
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 7
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 6
- 239000002253 acid Substances 0.000 description 6
- 238000004587 chromatography analysis Methods 0.000 description 6
- 125000005842 heteroatom Chemical group 0.000 description 6
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 6
- 239000002904 solvent Substances 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 5
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 5
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 description 5
- 239000003480 eluent Substances 0.000 description 5
- 229940093499 ethyl acetate Drugs 0.000 description 5
- 235000019439 ethyl acetate Nutrition 0.000 description 5
- 125000000325 methylidene group Chemical group [H]C([H])=* 0.000 description 5
- 239000003960 organic solvent Substances 0.000 description 5
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-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
- 239000012300 argon atmosphere Substances 0.000 description 4
- 125000000753 cycloalkyl group Chemical group 0.000 description 4
- 125000003754 ethoxycarbonyl group Chemical group C(=O)(OCC)* 0.000 description 4
- 239000012044 organic layer Substances 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- JTXSCOQHYKKFMH-UHFFFAOYSA-N 4,5-dichlorothiophene-3-carbaldehyde Chemical compound ClC=1SC=C(C=O)C=1Cl JTXSCOQHYKKFMH-UHFFFAOYSA-N 0.000 description 3
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 description 3
- IAZDPXIOMUYVGZ-WFGJKAKNSA-N Dimethyl sulfoxide Chemical compound [2H]C([2H])([2H])S(=O)C([2H])([2H])[2H] IAZDPXIOMUYVGZ-WFGJKAKNSA-N 0.000 description 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 3
- 239000005864 Sulphur Substances 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 description 3
- 125000003710 aryl alkyl group Chemical group 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 125000001309 chloro group Chemical group Cl* 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- AFABGHUZZDYHJO-UHFFFAOYSA-N dimethyl butane Natural products CCCC(C)C AFABGHUZZDYHJO-UHFFFAOYSA-N 0.000 description 3
- 229960001760 dimethyl sulfoxide Drugs 0.000 description 3
- MKRTXPORKIRPDG-UHFFFAOYSA-N diphenylphosphoryl azide Chemical compound C=1C=CC=CC=1P(=O)(N=[N+]=[N-])C1=CC=CC=C1 MKRTXPORKIRPDG-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229910052736 halogen Inorganic materials 0.000 description 3
- 150000002367 halogens Chemical class 0.000 description 3
- 238000004128 high performance liquid chromatography Methods 0.000 description 3
- 238000006460 hydrolysis reaction Methods 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 125000006413 ring segment Chemical group 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 125000001424 substituent group Chemical group 0.000 description 3
- 238000004809 thin layer chromatography Methods 0.000 description 3
- 0 *c1cc([s]c(*)c2*)c2[n]1 Chemical compound *c1cc([s]c(*)c2*)c2[n]1 0.000 description 2
- BXCIVCFRSLPEFH-UHFFFAOYSA-N 4,5-dichlorothiophene-3-carboxylic acid Chemical compound OC(=O)C1=CSC(Cl)=C1Cl BXCIVCFRSLPEFH-UHFFFAOYSA-N 0.000 description 2
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical compound OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 description 2
- 102000007390 Glycogen Phosphorylase Human genes 0.000 description 2
- 108010046163 Glycogen Phosphorylase Proteins 0.000 description 2
- 238000005481 NMR spectroscopy Methods 0.000 description 2
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 2
- 229910000288 alkali metal carbonate Inorganic materials 0.000 description 2
- 150000008041 alkali metal carbonates Chemical class 0.000 description 2
- 125000003545 alkoxy group Chemical group 0.000 description 2
- 150000001721 carbon Chemical group 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 125000002541 furyl group Chemical group 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 125000002883 imidazolyl group Chemical group 0.000 description 2
- 235000019341 magnesium sulphate Nutrition 0.000 description 2
- 238000001819 mass spectrum Methods 0.000 description 2
- YDCHPLOFQATIDS-UHFFFAOYSA-N methyl 2-bromoacetate Chemical compound COC(=O)CBr YDCHPLOFQATIDS-UHFFFAOYSA-N 0.000 description 2
- 125000004433 nitrogen atom Chemical group N* 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 235000019198 oils Nutrition 0.000 description 2
- 125000000962 organic group Chemical group 0.000 description 2
- 239000012074 organic phase Substances 0.000 description 2
- 229910000028 potassium bicarbonate Inorganic materials 0.000 description 2
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 2
- 229910000027 potassium carbonate Inorganic materials 0.000 description 2
- 125000003373 pyrazinyl group Chemical group 0.000 description 2
- 125000002098 pyridazinyl group Chemical group 0.000 description 2
- 125000004076 pyridyl group Chemical group 0.000 description 2
- 125000000714 pyrimidinyl group Chemical group 0.000 description 2
- 125000000168 pyrrolyl group Chemical group 0.000 description 2
- 125000001567 quinoxalinyl group Chemical group N1=C(C=NC2=CC=CC=C12)* 0.000 description 2
- 229910052701 rubidium Inorganic materials 0.000 description 2
- 125000003107 substituted aryl group Chemical group 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 125000001544 thienyl group Chemical group 0.000 description 2
- 125000001425 triazolyl group Chemical group 0.000 description 2
- JFGOCNAOOLXIMV-UHFFFAOYSA-N 2,3-dichloro-4h-thieno[3,2-b]pyrrole-5-carboxylic acid Chemical compound S1C(Cl)=C(Cl)C2=C1C=C(C(=O)O)N2 JFGOCNAOOLXIMV-UHFFFAOYSA-N 0.000 description 1
- RBIGKSZIQCTIJF-UHFFFAOYSA-N 3-formylthiophene Chemical compound O=CC=1C=CSC=1 RBIGKSZIQCTIJF-UHFFFAOYSA-N 0.000 description 1
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 1
- 101150041968 CDC13 gene Proteins 0.000 description 1
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 1
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 description 1
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- 235000019502 Orange oil Nutrition 0.000 description 1
- UIIMBOGNXHQVGW-DEQYMQKBSA-M Sodium bicarbonate-14C Chemical class [Na+].O[14C]([O-])=O UIIMBOGNXHQVGW-DEQYMQKBSA-M 0.000 description 1
- DKGAVHZHDRPRBM-UHFFFAOYSA-N Tert-Butanol Chemical compound CC(C)(C)O DKGAVHZHDRPRBM-UHFFFAOYSA-N 0.000 description 1
- 125000000738 acetamido group Chemical group [H]C([H])([H])C(=O)N([H])[*] 0.000 description 1
- 238000005903 acid hydrolysis reaction Methods 0.000 description 1
- 229910001854 alkali hydroxide Inorganic materials 0.000 description 1
- 229910000102 alkali metal hydride Inorganic materials 0.000 description 1
- 150000008046 alkali metal hydrides Chemical class 0.000 description 1
- 150000008044 alkali metal hydroxides Chemical class 0.000 description 1
- 125000003342 alkenyl group Chemical group 0.000 description 1
- 150000004703 alkoxides Chemical class 0.000 description 1
- 125000004453 alkoxycarbonyl group Chemical group 0.000 description 1
- 125000000304 alkynyl group Chemical group 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 239000003125 aqueous solvent Substances 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- GXSJDFCPUGEBFU-UHFFFAOYSA-N argon;4,5-dichlorothiophene-3-carboxylic acid Chemical compound [Ar].OC(=O)C1=CSC(Cl)=C1Cl GXSJDFCPUGEBFU-UHFFFAOYSA-N 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- 125000004618 benzofuryl group Chemical group O1C(=CC2=C1C=CC=C2)* 0.000 description 1
- 125000001164 benzothiazolyl group Chemical group S1C(=NC2=C1C=CC=C2)* 0.000 description 1
- 125000004196 benzothienyl group Chemical group S1C(=CC2=C1C=CC=C2)* 0.000 description 1
- 125000004541 benzoxazolyl group Chemical group O1C(=NC2=C1C=CC=C2)* 0.000 description 1
- 125000002619 bicyclic group Chemical group 0.000 description 1
- 239000012267 brine Substances 0.000 description 1
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 1
- 229910052794 bromium Inorganic materials 0.000 description 1
- 125000001246 bromo group Chemical group Br* 0.000 description 1
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000001589 carboacyl group Chemical group 0.000 description 1
- 235000011089 carbon dioxide Nutrition 0.000 description 1
- VQXINLNPICQTLR-UHFFFAOYSA-N carbonyl diazide Chemical compound [N-]=[N+]=NC(=O)N=[N+]=[N-] VQXINLNPICQTLR-UHFFFAOYSA-N 0.000 description 1
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 125000004230 chromenyl group Chemical group O1C(C=CC2=CC=CC=C12)* 0.000 description 1
- 125000004093 cyano group Chemical group *C#N 0.000 description 1
- 150000003950 cyclic amides Chemical class 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 125000000392 cycloalkenyl group Chemical group 0.000 description 1
- 230000005595 deprotonation Effects 0.000 description 1
- 238000010537 deprotonation reaction Methods 0.000 description 1
- SYZWSSNHPZXGML-UHFFFAOYSA-N dichloromethane;oxolane Chemical group ClCCl.C1CCOC1 SYZWSSNHPZXGML-UHFFFAOYSA-N 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000010265 fast atom bombardment Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000003818 flash chromatography Methods 0.000 description 1
- 125000001153 fluoro group Chemical group F* 0.000 description 1
- 230000002140 halogenating effect Effects 0.000 description 1
- 230000026030 halogenation Effects 0.000 description 1
- 238000005658 halogenation reaction Methods 0.000 description 1
- 238000005984 hydrogenation reaction Methods 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- 239000005457 ice water Substances 0.000 description 1
- 125000003453 indazolyl group Chemical group N1N=C(C2=C1C=CC=C2)* 0.000 description 1
- 125000003406 indolizinyl group Chemical group C=1(C=CN2C=CC=CC12)* 0.000 description 1
- 125000001041 indolyl group Chemical group 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 125000001977 isobenzofuranyl group Chemical group C=1(OC=C2C=CC=CC12)* 0.000 description 1
- 239000012948 isocyanate Substances 0.000 description 1
- 150000002513 isocyanates Chemical class 0.000 description 1
- 125000000904 isoindolyl group Chemical group C=1(NC=C2C=CC=CC12)* 0.000 description 1
- 125000002183 isoquinolinyl group Chemical group C1(=NC=CC2=CC=CC=C12)* 0.000 description 1
- 125000005956 isoquinolyl group Chemical group 0.000 description 1
- 125000001786 isothiazolyl group Chemical group 0.000 description 1
- 125000000842 isoxazolyl group Chemical group 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000006263 metalation reaction Methods 0.000 description 1
- IAFAWUFAJZJFNQ-UHFFFAOYSA-N methyl 2,3-dichloro-4h-thieno[3,2-b]pyrrole-5-carboxylate Chemical compound S1C(Cl)=C(Cl)C2=C1C=C(C(=O)OC)N2 IAFAWUFAJZJFNQ-UHFFFAOYSA-N 0.000 description 1
- 125000002950 monocyclic group Chemical group 0.000 description 1
- 125000001624 naphthyl group Chemical group 0.000 description 1
- 125000004593 naphthyridinyl group Chemical group N1=C(C=CC2=CC=CN=C12)* 0.000 description 1
- 125000006574 non-aromatic ring group Chemical group 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000010502 orange oil Substances 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 125000001979 organolithium group Chemical group 0.000 description 1
- 125000002971 oxazolyl group Chemical group 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 125000004043 oxo group Chemical group O=* 0.000 description 1
- 125000003386 piperidinyl group Chemical group 0.000 description 1
- 235000015497 potassium bicarbonate Nutrition 0.000 description 1
- 239000011736 potassium bicarbonate Substances 0.000 description 1
- 235000011181 potassium carbonates Nutrition 0.000 description 1
- TYJJADVDDVDEDZ-UHFFFAOYSA-M potassium hydrogencarbonate Chemical compound [K+].OC([O-])=O TYJJADVDDVDEDZ-UHFFFAOYSA-M 0.000 description 1
- 239000012286 potassium permanganate Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000011165 process development Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 125000000561 purinyl group Chemical group N1=C(N=C2N=CNC2=C1)* 0.000 description 1
- 125000004309 pyranyl group Chemical group O1C(C=CC=C1)* 0.000 description 1
- 125000003226 pyrazolyl group Chemical group 0.000 description 1
- 125000000719 pyrrolidinyl group Chemical group 0.000 description 1
- 125000002943 quinolinyl group Chemical group N1=C(C=CC2=CC=CC=C12)* 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 230000011514 reflex Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 125000005931 tert-butyloxycarbonyl group Chemical group [H]C([H])([H])C(OC(*)=O)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- CZDYPVPMEAXLPK-UHFFFAOYSA-N tetramethylsilane Chemical compound C[Si](C)(C)C CZDYPVPMEAXLPK-UHFFFAOYSA-N 0.000 description 1
- 125000003831 tetrazolyl group Chemical group 0.000 description 1
- 125000000335 thiazolyl group Chemical group 0.000 description 1
- 125000004306 triazinyl group Chemical group 0.000 description 1
- ITMCEJHCFYSIIV-UHFFFAOYSA-N triflic acid Chemical compound OS(=O)(=O)C(F)(F)F ITMCEJHCFYSIIV-UHFFFAOYSA-N 0.000 description 1
- 125000001834 xanthenyl group Chemical group C1=CC=CC=2OC3=CC=CC=C3C(C12)* 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D495/00—Heterocyclic compounds containing in the condensed system at least one hetero ring having sulfur atoms as the only ring hetero atoms
- C07D495/02—Heterocyclic compounds containing in the condensed system at least one hetero ring having sulfur atoms as the only ring hetero atoms in which the condensed system contains two hetero rings
- C07D495/04—Ortho-condensed systems
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D333/00—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom
- C07D333/02—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings
- C07D333/04—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur atom
- C07D333/26—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur atom 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
- C07D333/30—Hetero atoms other than halogen
- C07D333/36—Nitrogen atoms
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/55—Design of synthesis routes, e.g. reducing the use of auxiliary or protecting groups
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
- Heterocyclic Compounds Containing Sulfur Atoms (AREA)
- Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GBGB0222909.4A GB0222909D0 (en) | 2002-10-03 | 2002-10-03 | Novel process and intermediates |
| GB0222909.4 | 2002-10-03 | ||
| PCT/GB2003/004211 WO2004031193A1 (en) | 2002-10-03 | 2003-09-29 | Process and intermediates for the preparation of thienopyrrole derivatives |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2498843A1 true CA2498843A1 (en) | 2004-04-15 |
Family
ID=9945217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002498843A Abandoned CA2498843A1 (en) | 2002-10-03 | 2003-09-29 | Process and intermediates for the preparation of thienopyrrole derivatives |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US7307174B2 (enExample) |
| EP (1) | EP1549653A1 (enExample) |
| JP (1) | JP2006503077A (enExample) |
| KR (1) | KR20050061490A (enExample) |
| CN (1) | CN1688588A (enExample) |
| AU (1) | AU2003267656A1 (enExample) |
| BR (1) | BR0314312A (enExample) |
| CA (1) | CA2498843A1 (enExample) |
| GB (1) | GB0222909D0 (enExample) |
| MX (1) | MXPA05003387A (enExample) |
| NO (1) | NO20051047L (enExample) |
| WO (1) | WO2004031193A1 (enExample) |
| ZA (1) | ZA200501742B (enExample) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0205170D0 (en) | 2002-03-06 | 2002-04-17 | Astrazeneca Ab | Chemical compounds |
| GB0205162D0 (en) | 2002-03-06 | 2002-04-17 | Astrazeneca Ab | Chemical compounds |
| GB0205166D0 (en) | 2002-03-06 | 2002-04-17 | Astrazeneca Ab | Chemical compounds |
| GB0205175D0 (en) | 2002-03-06 | 2002-04-17 | Astrazeneca Ab | Chemical compounds |
| GB0205176D0 (en) | 2002-03-06 | 2002-04-17 | Astrazeneca Ab | Chemical compounds |
| GB0205165D0 (en) | 2002-03-06 | 2002-04-17 | Astrazeneca Ab | Chemical compounds |
| GB0222912D0 (en) | 2002-10-03 | 2002-11-13 | Astrazeneca Ab | Novel process and intermediates |
| GB0321003D0 (en) * | 2003-09-09 | 2003-10-08 | Angeletti P Ist Richerche Bio | Compounds, compositions and uses |
| AU2004312530A1 (en) | 2003-12-29 | 2005-07-21 | Sepracor Inc. | Pyrrole and pyrazole DAAO inhibitors |
| ES2566479T3 (es) | 2006-01-06 | 2016-04-13 | Sunovion Pharmaceuticals Inc. | Inhibidores de reabsorción de monoamina con base en tetralona |
| KR101294014B1 (ko) | 2006-01-06 | 2013-08-09 | 선오비온 파마슈티컬스 인코포레이티드 | 모노아민 재흡수 저해제로서의 시클로알킬아민 |
| US7884124B2 (en) | 2006-06-30 | 2011-02-08 | Sepracor Inc. | Fluoro-substituted inhibitors of D-amino acid oxidase |
| KR20090096716A (ko) * | 2007-01-09 | 2009-09-14 | 바이엘 쉐링 파마 악티엔게젤샤프트 | 아지리딘의 플루오르화에 의한 방사성표지 |
| US7902252B2 (en) | 2007-01-18 | 2011-03-08 | Sepracor, Inc. | Inhibitors of D-amino acid oxidase |
| CN101686672A (zh) | 2007-05-31 | 2010-03-31 | 塞普拉柯公司 | 苯基取代的环烷胺作为一元胺再摄取抑制剂 |
| CN106588868A (zh) * | 2016-11-16 | 2017-04-26 | 武汉理工大学 | 一种2‑溴‑3‑噻吩甲酸中间体的合成方法 |
Family Cites Families (33)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU364613A1 (ru) | 1970-11-27 | 1972-12-28 | Всесоюзный научно исследовательский химико фармацевтический институт имени С. Орджоникидзе | Способ получения производных 2-аминотиено- |
| GB9302622D0 (en) * | 1993-02-10 | 1993-03-24 | Wellcome Found | Heteroaromatic compounds |
| DK1088824T3 (da) | 1999-09-30 | 2004-04-13 | Pfizer Prod Inc | Bicykliske pyrrolylamider som glycogen phosphorylase inhibitorer |
| WO2001028993A2 (en) | 1999-10-19 | 2001-04-26 | Merck & Co. Inc. | Tyrosine kinase inhibitors |
| SE9903998D0 (sv) | 1999-11-03 | 1999-11-03 | Astra Ab | New compounds |
| JP2001294572A (ja) * | 2000-02-09 | 2001-10-23 | Dai Ichi Seiyaku Co Ltd | 新規スルホニル誘導体 |
| EP1136071A3 (en) | 2000-03-22 | 2003-03-26 | Pfizer Products Inc. | Use of glycogen phosphorylase inhibitors |
| GB0017676D0 (en) | 2000-07-19 | 2000-09-06 | Angeletti P Ist Richerche Bio | Inhibitors of viral polymerase |
| GB0021831D0 (en) | 2000-09-06 | 2000-10-18 | Astrazeneca Ab | Chemical compounds |
| MXPA03000966A (es) | 2002-02-28 | 2003-09-04 | Pfizer Prod Inc | Agentes antidiabeticos. |
| GB0205175D0 (en) | 2002-03-06 | 2002-04-17 | Astrazeneca Ab | Chemical compounds |
| GB0205176D0 (en) | 2002-03-06 | 2002-04-17 | Astrazeneca Ab | Chemical compounds |
| GB0205165D0 (en) | 2002-03-06 | 2002-04-17 | Astrazeneca Ab | Chemical compounds |
| GB0205166D0 (en) | 2002-03-06 | 2002-04-17 | Astrazeneca Ab | Chemical compounds |
| GB0205162D0 (en) | 2002-03-06 | 2002-04-17 | Astrazeneca Ab | Chemical compounds |
| GB0205170D0 (en) | 2002-03-06 | 2002-04-17 | Astrazeneca Ab | Chemical compounds |
| WO2003091213A1 (en) | 2002-04-25 | 2003-11-06 | Yamanouchi Pharmaceutical Co., Ltd. | Novel amide derivatives or salts thereof |
| ES2264534T3 (es) | 2002-09-06 | 2007-01-01 | Janssen Pharmaceutica N.V. | Compuestos de tienopirrolilo y furanopirrolilo y su utilizacion como ligandos del receptor histaminico h4. |
| GB0222912D0 (en) | 2002-10-03 | 2002-11-13 | Astrazeneca Ab | Novel process and intermediates |
| EP1562899A2 (en) | 2002-11-07 | 2005-08-17 | Pfizer Products Inc. | N-(indole-2-carbonyl)amides as anti-diabetic agents |
| US7098235B2 (en) | 2002-11-14 | 2006-08-29 | Bristol-Myers Squibb Co. | Triglyceride and triglyceride-like prodrugs of glycogen phosphorylase inhibiting compounds |
| JP2004196702A (ja) | 2002-12-18 | 2004-07-15 | Yamanouchi Pharmaceut Co Ltd | 新規なアミド誘導体又はその塩 |
| RU2333203C2 (ru) | 2002-12-25 | 2008-09-10 | Дайити Фармасьютикал Ко., Лтд. | Диаминовые производные |
| EP1620427A1 (en) | 2003-04-17 | 2006-02-01 | Pfizer Products Inc. | Carboxamide derivatives as anti-diabetic agents |
| BRPI0409952A (pt) | 2003-04-30 | 2006-04-25 | Pfizer Prod Inc | agentes anti-diabéticos |
| WO2004113345A1 (ja) | 2003-06-20 | 2004-12-29 | Japan Tobacco Inc. | 縮合ピロール化合物及びその医薬用途 |
| GB0318464D0 (en) | 2003-08-07 | 2003-09-10 | Astrazeneca Ab | Chemical compounds |
| GB0318463D0 (en) | 2003-08-07 | 2003-09-10 | Astrazeneca Ab | Chemical compounds |
| GB0319690D0 (en) | 2003-08-22 | 2003-09-24 | Astrazeneca Ab | Chemical compounds |
| GB0319759D0 (en) | 2003-08-22 | 2003-09-24 | Astrazeneca Ab | Chemical compounds |
| WO2005020986A1 (en) | 2003-08-29 | 2005-03-10 | Astrazeneca Ab | Heterocyclic amide derivatives which posses glycogen phosphorylase inhibitory activity |
| WO2005020985A1 (en) | 2003-08-29 | 2005-03-10 | Astrazeneca Ab | Indolamide derivatives which possess glycogen phosphorylase inhibitory activity |
| GB0320422D0 (en) | 2003-08-30 | 2003-10-01 | Astrazeneca Ab | Chemical compounds |
-
2002
- 2002-10-03 GB GBGB0222909.4A patent/GB0222909D0/en not_active Ceased
-
2003
- 2003-09-29 AU AU2003267656A patent/AU2003267656A1/en not_active Abandoned
- 2003-09-29 CA CA002498843A patent/CA2498843A1/en not_active Abandoned
- 2003-09-29 KR KR1020057005374A patent/KR20050061490A/ko not_active Withdrawn
- 2003-09-29 BR BR0314312-0A patent/BR0314312A/pt not_active Application Discontinuation
- 2003-09-29 MX MXPA05003387A patent/MXPA05003387A/es not_active Application Discontinuation
- 2003-09-29 CN CNA038237369A patent/CN1688588A/zh active Pending
- 2003-09-29 US US10/528,612 patent/US7307174B2/en not_active Expired - Fee Related
- 2003-09-29 JP JP2004540938A patent/JP2006503077A/ja not_active Withdrawn
- 2003-09-29 EP EP03748348A patent/EP1549653A1/en not_active Withdrawn
- 2003-09-29 WO PCT/GB2003/004211 patent/WO2004031193A1/en not_active Ceased
-
2005
- 2005-02-25 NO NO20051047A patent/NO20051047L/no unknown
-
2006
- 2006-01-19 ZA ZA200501742A patent/ZA200501742B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CN1688588A (zh) | 2005-10-26 |
| ZA200501742B (en) | 2006-03-29 |
| EP1549653A1 (en) | 2005-07-06 |
| KR20050061490A (ko) | 2005-06-22 |
| BR0314312A (pt) | 2005-07-26 |
| NO20051047L (no) | 2005-04-28 |
| JP2006503077A (ja) | 2006-01-26 |
| US7307174B2 (en) | 2007-12-11 |
| AU2003267656A1 (en) | 2004-04-23 |
| MXPA05003387A (es) | 2005-06-22 |
| US20050272938A1 (en) | 2005-12-08 |
| WO2004031193A1 (en) | 2004-04-15 |
| GB0222909D0 (en) | 2002-11-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2498843A1 (en) | Process and intermediates for the preparation of thienopyrrole derivatives | |
| Atar et al. | Iron fluoride: The most efficient catalyst for one-pot synthesis of 4H-pyrimido [2, 1-b] benzothiazoles under solvent-free conditions | |
| CA2500145A1 (en) | Process and intermediates for the preparation of the thienopyrrole derivatives | |
| SU1217260A3 (ru) | Способ получени 6-хлор/или бром/-1,2-дигидро-3 @ -пирроло/1,2- @ / пиррол-1-карбоновых кислот или их фармацевтически приемлемых солей | |
| CA2382528A1 (en) | Novel isoindole derivatives | |
| EP2414343A1 (en) | Process for preparing brinzolamide | |
| TWI488856B (zh) | 用於製備二硫雜己環并(dithiine)-四羧醯亞胺類之方法 | |
| EP1669359A1 (en) | A process for the preparation of olanzapine and an intermediate therefor | |
| JPH0556358B2 (enExample) | ||
| Fabis et al. | Thiaisatoic anhydrides: Efficient synthesis under microwave heating conditions and study of their reactivity | |
| BRPI0709107A2 (pt) | processo para o preparados de 3,4-di-substituìdas-tiazolidin-2-onas | |
| Al-Mousawi et al. | Studies with enamines: functionally substituted enamines as aldehyde equivalents in Gewald reactions | |
| Mashraqui et al. | Synthesis of 3, 4-Bis (4′-Methylphenyl) Thieno [2, 3-b] Thiophene: First Example of Peri-Diaryl Thienothiophene | |
| Hamilakis et al. | The synthesis of n‐substituted isothiazol‐3 (2h)‐ones from nsubstituted 3‐benzoylpropionamides | |
| Demirayak et al. | A facile synthesis of some thieno/furo‐[2, 3‐d] pyrimidine‐2‐yl‐thioacetic acid derivatives | |
| CA2352520C (en) | Process for the preparation of tetrahydrothieno[3,2-c]pyridine derivatives | |
| Kumar et al. | Synthesis of some novel 1, 2, 4-triazolo [4, 3-a] 2h-pyrano [3, 2-e] pyridine derivatives | |
| Tso et al. | A Facile Synthesis of 3-Substituted Methyl 4, 6-Dihydrothieno [3, 4-b] thiophene-2-carboxylate 5, 5-Dioxides as Precursors of o-Dimethylene Thiophene | |
| EP1841774A1 (en) | PROCESS FOR PREPARING 5,6-DIHYDRO-4-(S)-(ETHYLAMINO)-6-(S) METHYL-4H-THIENOÝ2,3b¨THIOPYRAN-2-SULPHONAMIDE-7,7-DIOXIDE HCI | |
| Smithwick Jr et al. | New synthesis of N. alpha., NG, G-tribenzyloxycarbonyl-L-arginine and related derivatives | |
| SU683618A3 (ru) | Способ получени производных бензодиазепина | |
| Karminski-Zamola et al. | Synthesis of benzofuro-and benzothieno-phenanthridones by twofold photochemical dehydrocyclization reaction | |
| Abdelrazek et al. | Heterocyclic synthesis with nitriles: synthesis of some novel thiophene and thieno [2, 3-d] pyrimidine derivatives | |
| CN113861075A (zh) | 一种具有连续三个手性中心的手性双烯丙基取代化合物及其制备方法与应用 | |
| JP2002503648A (ja) | 葉酸拮抗薬を製造するのに有用な方法および中間体 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FZDE | Discontinued |