CA2871264A1 - Method for producing 5-(difluoromethyl)pyrazine-2-carboxilic acid and production intermediate thereof - Google Patents
Method for producing 5-(difluoromethyl)pyrazine-2-carboxilic acid and production intermediate thereof Download PDFInfo
- Publication number
- CA2871264A1 CA2871264A1 CA2871264A CA2871264A CA2871264A1 CA 2871264 A1 CA2871264 A1 CA 2871264A1 CA 2871264 A CA2871264 A CA 2871264A CA 2871264 A CA2871264 A CA 2871264A CA 2871264 A1 CA2871264 A1 CA 2871264A1
- Authority
- CA
- Canada
- Prior art keywords
- salt
- formula
- compound
- pyrazine
- group
- 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
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 36
- 239000002253 acid Substances 0.000 title claims abstract description 20
- 150000001875 compounds Chemical class 0.000 claims abstract description 124
- ABKZAJKWQBRNOR-UHFFFAOYSA-N 5-[carboxy(difluoro)methyl]pyrazine-2-carboxylic acid Chemical compound OC(=O)C1=CN=C(C(F)(F)C(O)=O)C=N1 ABKZAJKWQBRNOR-UHFFFAOYSA-N 0.000 claims abstract description 24
- 230000000911 decarboxylating effect Effects 0.000 claims abstract description 6
- 238000006243 chemical reaction Methods 0.000 claims description 48
- 150000003839 salts Chemical class 0.000 claims description 46
- 125000004169 (C1-C6) alkyl group Chemical group 0.000 claims description 10
- 238000005859 coupling reaction Methods 0.000 claims description 8
- 230000008878 coupling Effects 0.000 claims description 7
- 238000010168 coupling process Methods 0.000 claims description 7
- 230000002194 synthesizing effect Effects 0.000 claims description 6
- 230000003301 hydrolyzing effect Effects 0.000 claims description 5
- SYKNUAWMBRIEKB-UHFFFAOYSA-N [Cl].[Br] Chemical group [Cl].[Br] SYKNUAWMBRIEKB-UHFFFAOYSA-N 0.000 claims description 4
- 150000001879 copper Chemical class 0.000 claims description 4
- 230000007062 hydrolysis Effects 0.000 claims description 4
- 238000006460 hydrolysis reaction Methods 0.000 claims description 4
- 150000008044 alkali metal hydroxides Chemical class 0.000 claims description 2
- 230000002401 inhibitory effect Effects 0.000 abstract description 8
- 239000002994 raw material Substances 0.000 abstract description 7
- IHYMWNUBROPCOP-UHFFFAOYSA-N 5-(difluoromethyl)pyrazine-2-carboxamide Chemical compound NC(=O)C1=CN=C(C(F)F)C=N1 IHYMWNUBROPCOP-UHFFFAOYSA-N 0.000 abstract description 4
- 102100021257 Beta-secretase 1 Human genes 0.000 abstract description 4
- 101000894895 Homo sapiens Beta-secretase 1 Proteins 0.000 abstract description 4
- 230000036961 partial effect Effects 0.000 abstract description 4
- 238000010276 construction Methods 0.000 abstract description 3
- FXJOTWLLDJYKAG-UHFFFAOYSA-N 5-chloropyrazine-2-carboxylic acid Chemical compound OC(=O)C1=CN=C(Cl)C=N1 FXJOTWLLDJYKAG-UHFFFAOYSA-N 0.000 abstract 1
- 239000000203 mixture Substances 0.000 description 67
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 48
- 239000000243 solution Substances 0.000 description 43
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 27
- -1 amide compounds Chemical class 0.000 description 26
- 239000012044 organic layer Substances 0.000 description 26
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 23
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 21
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 21
- IAZDPXIOMUYVGZ-WFGJKAKNSA-N Dimethyl sulfoxide Chemical compound [2H]C([2H])([2H])S(=O)C([2H])([2H])[2H] IAZDPXIOMUYVGZ-WFGJKAKNSA-N 0.000 description 20
- 239000007787 solid Substances 0.000 description 20
- 239000010410 layer Substances 0.000 description 19
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 18
- JMMWKPVZQRWMSS-UHFFFAOYSA-N isopropanol acetate Natural products CC(C)OC(C)=O JMMWKPVZQRWMSS-UHFFFAOYSA-N 0.000 description 18
- 229940011051 isopropyl acetate Drugs 0.000 description 18
- GWYFCOCPABKNJV-UHFFFAOYSA-N isovaleric acid Chemical compound CC(C)CC(O)=O GWYFCOCPABKNJV-UHFFFAOYSA-N 0.000 description 18
- 230000002829 reductive effect Effects 0.000 description 18
- 239000003153 chemical reaction reagent Substances 0.000 description 15
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 14
- 238000005481 NMR spectroscopy Methods 0.000 description 13
- 238000002360 preparation method Methods 0.000 description 13
- 239000002904 solvent Substances 0.000 description 13
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 12
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 12
- IYYIVELXUANFED-UHFFFAOYSA-N bromo(trimethyl)silane Chemical compound C[Si](C)(C)Br IYYIVELXUANFED-UHFFFAOYSA-N 0.000 description 11
- XAEFZNCEHLXOMS-UHFFFAOYSA-M potassium benzoate Chemical compound [K+].[O-]C(=O)C1=CC=CC=C1 XAEFZNCEHLXOMS-UHFFFAOYSA-M 0.000 description 11
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 description 10
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 10
- DTQVDTLACAAQTR-UHFFFAOYSA-N Trifluoroacetic acid Chemical compound OC(=O)C(F)(F)F DTQVDTLACAAQTR-UHFFFAOYSA-N 0.000 description 10
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 10
- 238000001816 cooling Methods 0.000 description 10
- 238000004128 high performance liquid chromatography Methods 0.000 description 10
- 238000001914 filtration Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 9
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 9
- 238000005191 phase separation Methods 0.000 description 9
- 239000011780 sodium chloride Substances 0.000 description 9
- 238000003756 stirring Methods 0.000 description 9
- 208000024827 Alzheimer disease Diseases 0.000 description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 7
- 229910021589 Copper(I) bromide Inorganic materials 0.000 description 7
- 239000010949 copper Substances 0.000 description 7
- 239000011541 reaction mixture Substances 0.000 description 7
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 6
- AGTYMMRMXCSCSE-UHFFFAOYSA-N CCOC(=O)C(F)(F)c1cnc(cn1)C(=O)OC Chemical compound CCOC(=O)C(F)(F)c1cnc(cn1)C(=O)OC AGTYMMRMXCSCSE-UHFFFAOYSA-N 0.000 description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 6
- BAVYZALUXZFZLV-UHFFFAOYSA-N Methylamine Chemical compound NC BAVYZALUXZFZLV-UHFFFAOYSA-N 0.000 description 6
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 6
- IJOOHPMOJXWVHK-UHFFFAOYSA-N chlorotrimethylsilane Chemical compound C[Si](C)(C)Cl IJOOHPMOJXWVHK-UHFFFAOYSA-N 0.000 description 6
- 229910052802 copper Inorganic materials 0.000 description 6
- 229910052731 fluorine Inorganic materials 0.000 description 6
- 210000002569 neuron Anatomy 0.000 description 6
- 229910052757 nitrogen Inorganic materials 0.000 description 6
- 239000000725 suspension Substances 0.000 description 6
- YFNKIDBQEZZDLK-UHFFFAOYSA-N triglyme Chemical compound COCCOCCOCCOC YFNKIDBQEZZDLK-UHFFFAOYSA-N 0.000 description 6
- 238000005160 1H NMR spectroscopy Methods 0.000 description 5
- UYWJPTNAOQSWOS-UHFFFAOYSA-N 5-(difluoromethyl)pyrazine-2-carboxylic acid Chemical compound OC(=O)C1=CN=C(C(F)F)C=N1 UYWJPTNAOQSWOS-UHFFFAOYSA-N 0.000 description 5
- WGQKYBSKWIADBV-UHFFFAOYSA-N benzylamine Chemical class NCC1=CC=CC=C1 WGQKYBSKWIADBV-UHFFFAOYSA-N 0.000 description 5
- 238000006114 decarboxylation reaction Methods 0.000 description 5
- SKTCDJAMAYNROS-UHFFFAOYSA-N methoxycyclopentane Chemical compound COC1CCCC1 SKTCDJAMAYNROS-UHFFFAOYSA-N 0.000 description 5
- 230000035484 reaction time Effects 0.000 description 5
- 239000007858 starting material Substances 0.000 description 5
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical group [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 4
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 4
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 4
- 229940024606 amino acid Drugs 0.000 description 4
- 150000003939 benzylamines Chemical class 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 239000013078 crystal Substances 0.000 description 4
- 239000003814 drug Substances 0.000 description 4
- IRSJDVYTJUCXRV-UHFFFAOYSA-N ethyl 2-bromo-2,2-difluoroacetate Chemical compound CCOC(=O)C(F)(F)Br IRSJDVYTJUCXRV-UHFFFAOYSA-N 0.000 description 4
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 4
- 239000011737 fluorine Chemical group 0.000 description 4
- 238000010992 reflux Methods 0.000 description 4
- 238000003786 synthesis reaction Methods 0.000 description 4
- 239000011701 zinc Substances 0.000 description 4
- 229910052725 zinc Inorganic materials 0.000 description 4
- 150000003752 zinc compounds Chemical class 0.000 description 4
- 125000004191 (C1-C6) alkoxy group Chemical group 0.000 description 3
- WLTZCRCZDLLXQP-UHFFFAOYSA-N 4-(2,2,2-trifluoroacetyl)benzoic acid Chemical compound OC(=O)C1=CC=C(C(=O)C(F)(F)F)C=C1 WLTZCRCZDLLXQP-UHFFFAOYSA-N 0.000 description 3
- 208000037259 Amyloid Plaque Diseases 0.000 description 3
- 108010043324 Amyloid Precursor Protein Secretases Proteins 0.000 description 3
- 102000002659 Amyloid Precursor Protein Secretases Human genes 0.000 description 3
- QUSNBJAOOMFDIB-UHFFFAOYSA-N Ethylamine Chemical class CCN QUSNBJAOOMFDIB-UHFFFAOYSA-N 0.000 description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 3
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 description 3
- 125000000217 alkyl group Chemical group 0.000 description 3
- 150000001413 amino acids Chemical class 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 3
- ODWXUNBKCRECNW-UHFFFAOYSA-M bromocopper(1+) Chemical compound Br[Cu+] ODWXUNBKCRECNW-UHFFFAOYSA-M 0.000 description 3
- CSJLBAMHHLJAAS-UHFFFAOYSA-N diethylaminosulfur trifluoride Chemical compound CCN(CC)S(F)(F)F CSJLBAMHHLJAAS-UHFFFAOYSA-N 0.000 description 3
- 125000001028 difluoromethyl group Chemical group [H]C(F)(F)* 0.000 description 3
- GNYSNRKOVGSCLI-UHFFFAOYSA-N ethyl 5-(2-ethoxy-1,1-difluoro-2-oxoethyl)pyrazine-2-carboxylate Chemical compound CCOC(=O)C1=CN=C(C(F)(F)C(=O)OCC)C=N1 GNYSNRKOVGSCLI-UHFFFAOYSA-N 0.000 description 3
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 3
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 3
- 230000014759 maintenance of location Effects 0.000 description 3
- 239000003960 organic solvent Substances 0.000 description 3
- 108090000623 proteins and genes Proteins 0.000 description 3
- 102000004169 proteins and genes Human genes 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- VIRGYRZBWQFJGJ-UHFFFAOYSA-N 1,1,2,2-tetrafluoro-n,n-dimethylethanamine Chemical compound CN(C)C(F)(F)C(F)F VIRGYRZBWQFJGJ-UHFFFAOYSA-N 0.000 description 2
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 2
- RBYJWCRKFLGNDB-UHFFFAOYSA-N 5-methylpyrazine-2-carboxylic acid Chemical compound CC1=CN=C(C(O)=O)C=N1 RBYJWCRKFLGNDB-UHFFFAOYSA-N 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
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- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 2
- 102000004190 Enzymes Human genes 0.000 description 2
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- 229910052783 alkali metal Inorganic materials 0.000 description 2
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- DZHSAHHDTRWUTF-SIQRNXPUSA-N amyloid-beta polypeptide 42 Chemical compound C([C@@H](C(=O)N[C@@H](C)C(=O)N[C@@H](CCC(O)=O)C(=O)N[C@@H](CC(O)=O)C(=O)N[C@H](C(=O)NCC(=O)N[C@@H](CO)C(=O)N[C@@H](CC(N)=O)C(=O)N[C@@H](CCCCN)C(=O)NCC(=O)N[C@@H](C)C(=O)N[C@H](C(=O)N[C@@H]([C@@H](C)CC)C(=O)NCC(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CCSC)C(=O)N[C@@H](C(C)C)C(=O)NCC(=O)NCC(=O)N[C@@H](C(C)C)C(=O)N[C@@H](C(C)C)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](C)C(O)=O)[C@@H](C)CC)C(C)C)NC(=O)[C@H](CC=1C=CC=CC=1)NC(=O)[C@@H](NC(=O)[C@H](CC(C)C)NC(=O)[C@H](CCCCN)NC(=O)[C@H](CCC(N)=O)NC(=O)[C@H](CC=1N=CNC=1)NC(=O)[C@H](CC=1N=CNC=1)NC(=O)[C@@H](NC(=O)[C@H](CCC(O)=O)NC(=O)[C@H](CC=1C=CC(O)=CC=1)NC(=O)CNC(=O)[C@H](CO)NC(=O)[C@H](CC(O)=O)NC(=O)[C@H](CC=1N=CNC=1)NC(=O)[C@H](CCCNC(N)=N)NC(=O)[C@H](CC=1C=CC=CC=1)NC(=O)[C@H](CCC(O)=O)NC(=O)[C@H](C)NC(=O)[C@@H](N)CC(O)=O)C(C)C)C(C)C)C1=CC=CC=C1 DZHSAHHDTRWUTF-SIQRNXPUSA-N 0.000 description 2
- 150000008064 anhydrides Chemical class 0.000 description 2
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- 125000001301 ethoxy group Chemical group [H]C([H])([H])C([H])([H])O* 0.000 description 2
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- 239000000706 filtrate Substances 0.000 description 2
- 125000001153 fluoro group Chemical group F* 0.000 description 2
- 229910052736 halogen Inorganic materials 0.000 description 2
- 125000005843 halogen group Chemical group 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
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- IXHBTMCLRNMKHZ-LBPRGKRZSA-N levobunolol Chemical compound O=C1CCCC2=C1C=CC=C2OC[C@@H](O)CNC(C)(C)C IXHBTMCLRNMKHZ-LBPRGKRZSA-N 0.000 description 2
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 description 2
- CVVMLRFXZPKILB-UHFFFAOYSA-N methyl 5-chloropyrazine-2-carboxylate Chemical compound COC(=O)C1=CN=C(Cl)C=N1 CVVMLRFXZPKILB-UHFFFAOYSA-N 0.000 description 2
- 150000004702 methyl esters Chemical class 0.000 description 2
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- NIPZZXUFJPQHNH-UHFFFAOYSA-N pyrazine-2-carboxylic acid Chemical compound OC(=O)C1=CN=CC=N1 NIPZZXUFJPQHNH-UHFFFAOYSA-N 0.000 description 2
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- 125000005917 3-methylpentyl group Chemical group 0.000 description 1
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- NPJHCKULJAIWGV-UHFFFAOYSA-N 5-bromopyrazine-2-carboxylic acid Chemical compound OC(=O)C1=CN=C(Br)C=N1 NPJHCKULJAIWGV-UHFFFAOYSA-N 0.000 description 1
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical group [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 1
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- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical compound OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 description 1
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical group [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 1
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- 238000003109 Karl Fischer titration Methods 0.000 description 1
- CKLJMWTZIZZHCS-REOHCLBHSA-N L-aspartic acid Chemical compound OC(=O)[C@@H](N)CC(O)=O CKLJMWTZIZZHCS-REOHCLBHSA-N 0.000 description 1
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- 102000012412 Presenilin-1 Human genes 0.000 description 1
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- 230000002378 acidificating effect Effects 0.000 description 1
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- ZTASUKKOZPMFTN-UHFFFAOYSA-M bromocopper bromo(trimethyl)silane Chemical compound [Cu]Br.C[Si](C)(C)Br ZTASUKKOZPMFTN-UHFFFAOYSA-M 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 210000004899 c-terminal region Anatomy 0.000 description 1
- 159000000007 calcium salts Chemical class 0.000 description 1
- MIOPJNTWMNEORI-UHFFFAOYSA-N camphorsulfonic acid Chemical compound C1CC2(CS(O)(=O)=O)C(=O)CC1C2(C)C MIOPJNTWMNEORI-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
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- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 210000004027 cell Anatomy 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 239000000544 cholinesterase inhibitor Substances 0.000 description 1
- 230000006999 cognitive decline Effects 0.000 description 1
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- 239000000470 constituent Substances 0.000 description 1
- NKNDPYCGAZPOFS-UHFFFAOYSA-M copper(i) bromide Chemical compound Br[Cu] NKNDPYCGAZPOFS-UHFFFAOYSA-M 0.000 description 1
- 230000002498 deadly effect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000009699 differential effect Effects 0.000 description 1
- SBZXBUIDTXKZTM-UHFFFAOYSA-N diglyme Chemical compound COCCOCCOC SBZXBUIDTXKZTM-UHFFFAOYSA-N 0.000 description 1
- 230000005750 disease progression Effects 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 150000002148 esters Chemical group 0.000 description 1
- CCIVGXIOQKPBKL-UHFFFAOYSA-M ethanesulfonate Chemical compound CCS([O-])(=O)=O CCIVGXIOQKPBKL-UHFFFAOYSA-M 0.000 description 1
- YMWDNHSAHXMMHH-UHFFFAOYSA-N ethyl 5-bromopyrazine-2-carboxylate Chemical compound CCOC(=O)C1=CN=C(Br)C=N1 YMWDNHSAHXMMHH-UHFFFAOYSA-N 0.000 description 1
- 125000004494 ethyl ester group Chemical group 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000003682 fluorination reaction Methods 0.000 description 1
- 125000004216 fluoromethyl group Chemical group [H]C([H])(F)* 0.000 description 1
- 125000002485 formyl group Chemical class [H]C(*)=O 0.000 description 1
- 239000003540 gamma secretase inhibitor Substances 0.000 description 1
- 229930195712 glutamate Natural products 0.000 description 1
- 150000005171 halobenzenes Chemical class 0.000 description 1
- 150000005748 halopyridines Chemical class 0.000 description 1
- XMBWDFGMSWQBCA-UHFFFAOYSA-N hydrogen iodide Chemical compound I XMBWDFGMSWQBCA-UHFFFAOYSA-N 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000002198 insoluble material Substances 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- 125000002510 isobutoxy group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])O* 0.000 description 1
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 1
- 125000005921 isopentoxy group Chemical group 0.000 description 1
- 125000001972 isopentyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000003253 isopropoxy group Chemical group [H]C([H])([H])C([H])(O*)C([H])([H])[H] 0.000 description 1
- JJWLVOIRVHMVIS-UHFFFAOYSA-N isopropylamine Chemical class CC(C)N JJWLVOIRVHMVIS-UHFFFAOYSA-N 0.000 description 1
- 239000003446 ligand Substances 0.000 description 1
- 229910003002 lithium salt Inorganic materials 0.000 description 1
- 159000000002 lithium salts Chemical class 0.000 description 1
- 159000000003 magnesium salts Chemical class 0.000 description 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
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- 125000004184 methoxymethyl group Chemical group [H]C([H])([H])OC([H])([H])* 0.000 description 1
- PQIOSYKVBBWRRI-UHFFFAOYSA-N methylphosphonyl difluoride Chemical group CP(F)(F)=O PQIOSYKVBBWRRI-UHFFFAOYSA-N 0.000 description 1
- 125000006606 n-butoxy group Chemical group 0.000 description 1
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000001298 n-hexoxy group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])O* 0.000 description 1
- 125000001280 n-hexyl group Chemical group C(CCCCC)* 0.000 description 1
- 125000003935 n-pentoxy group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])O* 0.000 description 1
- 125000000740 n-pentyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000005484 neopentoxy group Chemical group 0.000 description 1
- 125000001971 neopentyl group Chemical group [H]C([*])([H])C(C([H])([H])[H])(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 210000002682 neurofibrillary tangle Anatomy 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 125000001820 oxy group Chemical group [*:1]O[*:2] 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000008506 pathogenesis Effects 0.000 description 1
- 230000001575 pathological effect Effects 0.000 description 1
- 230000007170 pathology Effects 0.000 description 1
- 125000003538 pentan-3-yl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])C([H])([H])[H] 0.000 description 1
- VLTRZXGMWDSKGL-UHFFFAOYSA-M perchlorate Inorganic materials [O-]Cl(=O)(=O)=O VLTRZXGMWDSKGL-UHFFFAOYSA-M 0.000 description 1
- VLTRZXGMWDSKGL-UHFFFAOYSA-N perchloric acid Chemical compound OCl(=O)(=O)=O VLTRZXGMWDSKGL-UHFFFAOYSA-N 0.000 description 1
- 239000000825 pharmaceutical preparation Substances 0.000 description 1
- 229940127557 pharmaceutical product Drugs 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- BCEBZGHRATUHRO-UHFFFAOYSA-N propan-2-yl 5-(2-ethoxy-1,1-difluoro-2-oxoethyl)pyrazine-2-carboxylate Chemical compound CCOC(=O)C(F)(F)C1=CN=C(C(=O)OC(C)C)C=N1 BCEBZGHRATUHRO-UHFFFAOYSA-N 0.000 description 1
- BBJBPPMMSOBUJH-UHFFFAOYSA-N propan-2-yl 5-bromopyrazine-2-carboxylate Chemical compound CC(C)OC(=O)c1cnc(Br)cn1 BBJBPPMMSOBUJH-UHFFFAOYSA-N 0.000 description 1
- FVSKHRXBFJPNKK-UHFFFAOYSA-N propionitrile Chemical compound CCC#N FVSKHRXBFJPNKK-UHFFFAOYSA-N 0.000 description 1
- 238000000425 proton nuclear magnetic resonance spectrum Methods 0.000 description 1
- 150000003222 pyridines Chemical class 0.000 description 1
- 150000003242 quaternary ammonium salts Chemical class 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 125000002914 sec-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 125000003548 sec-pentyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 230000028327 secretion Effects 0.000 description 1
- 230000007507 senile plaque formation Effects 0.000 description 1
- 208000022288 senile plaque formation Diseases 0.000 description 1
- 238000010898 silica gel chromatography Methods 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 1
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- 238000002636 symptomatic treatment Methods 0.000 description 1
- 229940095064 tartrate Drugs 0.000 description 1
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(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
- ITMCEJHCFYSIIV-UHFFFAOYSA-M triflate Chemical compound [O-]S(=O)(=O)C(F)(F)F ITMCEJHCFYSIIV-UHFFFAOYSA-M 0.000 description 1
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D241/00—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings
- C07D241/02—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings not condensed with other rings
- C07D241/10—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members
- C07D241/14—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings not condensed with other rings having 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
- C07D241/24—Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Plural Heterocyclic Compounds (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201261639362P | 2012-04-27 | 2012-04-27 | |
| US61/639,362 | 2012-04-27 | ||
| PCT/JP2013/062863 WO2013162065A1 (en) | 2012-04-27 | 2013-04-25 | Method for producing 5-(difluoromethyl)pyrazine-2-carboxilic acid and production intermediate thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2871264A1 true CA2871264A1 (en) | 2013-10-31 |
Family
ID=49483351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2871264A Abandoned CA2871264A1 (en) | 2012-04-27 | 2013-04-25 | Method for producing 5-(difluoromethyl)pyrazine-2-carboxilic acid and production intermediate thereof |
Country Status (14)
| Country | Link |
|---|---|
| US (1) | US9227942B2 (enExample) |
| EP (1) | EP2841423B1 (enExample) |
| JP (1) | JP6118817B2 (enExample) |
| CN (1) | CN104245680B (enExample) |
| BR (1) | BR112014026474A2 (enExample) |
| CA (1) | CA2871264A1 (enExample) |
| ES (1) | ES2615304T3 (enExample) |
| HU (1) | HUE030534T2 (enExample) |
| IL (1) | IL235161A0 (enExample) |
| IN (1) | IN2014DN08922A (enExample) |
| MX (1) | MX2014012683A (enExample) |
| RU (1) | RU2014142545A (enExample) |
| SG (1) | SG11201406589PA (enExample) |
| WO (1) | WO2013162065A1 (enExample) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI639607B (zh) | 2013-06-18 | 2018-11-01 | 美國禮來大藥廠 | Ｂａｃｅ抑制劑 |
| JP7605139B2 (ja) * | 2020-02-06 | 2024-12-24 | Ａｇｃ株式会社 | 芳香族複素環置換ジフルオロ酢酸誘導体の製造方法 |
| CN112645890B (zh) * | 2020-12-25 | 2022-08-12 | 江苏广域化学有限公司 | 2-吡嗪羧酸酯类化合物的合成方法 |
| CN117897377A (zh) * | 2021-08-11 | 2024-04-16 | Ａｇｃ株式会社 | 使用四氟乙烯进行的杂环的二氟甲基化反应 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007087129A2 (en) | 2006-01-12 | 2007-08-02 | Merck & Co., Inc. | Fluorinated arylamide derivatives |
| MY160690A (en) | 2008-01-18 | 2017-03-15 | Eisai R&D Man Co Ltd | Condensed aminodihydrothiazine derivative |
| EP2303881A2 (en) * | 2008-07-14 | 2011-04-06 | Gilead Sciences, Inc. | Fused heterocyclyc inhibitors of histone deacetylase and/or cyclin-dependent kinases |
| US8198269B2 (en) | 2008-09-30 | 2012-06-12 | Eisai R&D Management Co., Ltd. | Fused aminodihydrothiazine derivative |
| AR077277A1 (es) | 2009-07-09 | 2011-08-17 | Lilly Co Eli | Compuestos de biciclo (1,3)tiazin-2-amina formulacion farmaceutica que lo comprende y su uso para la manufactura de un medicamento util para el tratamiento de la enfermedad de alzheimer |
| GB0912777D0 (en) | 2009-07-22 | 2009-08-26 | Eisai London Res Lab Ltd | Fused aminodihydropyrimidone derivatives |
| GB0912778D0 (en) | 2009-07-22 | 2009-08-26 | Eisai London Res Lab Ltd | Fused aminodihydro-oxazine derivatives |
| JP5696355B2 (ja) * | 2009-11-18 | 2015-04-08 | セントラル硝子株式会社 | 芳香族ジフルオロメチル化合物の製造方法 |
| US8673894B2 (en) | 2010-05-07 | 2014-03-18 | Hoffmann-La Roche Inc. | 2,5,6,7-tetrahydro-[1,4]oxazepin-3-ylamine or 2,3,6,7-tetrahydro-[1,4]oxazepin-5-ylamine compounds |
| JP5679855B2 (ja) | 2011-02-14 | 2015-03-04 | 国立大学法人群馬大学 | ジフルオロメチル化ヘテロアリール化合物の製造方法 |
-
2013
- 2013-04-25 SG SG11201406589PA patent/SG11201406589PA/en unknown
- 2013-04-25 EP EP13781634.4A patent/EP2841423B1/en active Active
- 2013-04-25 HU HUE13781634A patent/HUE030534T2/hu unknown
- 2013-04-25 US US14/396,261 patent/US9227942B2/en active Active
- 2013-04-25 RU RU2014142545A patent/RU2014142545A/ru unknown
- 2013-04-25 ES ES13781634.4T patent/ES2615304T3/es active Active
- 2013-04-25 CA CA2871264A patent/CA2871264A1/en not_active Abandoned
- 2013-04-25 IN IN8922DEN2014 patent/IN2014DN08922A/en unknown
- 2013-04-25 CN CN201380021262.XA patent/CN104245680B/zh active Active
- 2013-04-25 BR BR112014026474A patent/BR112014026474A2/pt not_active Application Discontinuation
- 2013-04-25 WO PCT/JP2013/062863 patent/WO2013162065A1/en not_active Ceased
- 2013-04-25 JP JP2014547207A patent/JP6118817B2/ja not_active Expired - Fee Related
- 2013-04-25 MX MX2014012683A patent/MX2014012683A/es unknown
-
2014
- 2014-10-19 IL IL235161A patent/IL235161A0/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US20150087836A1 (en) | 2015-03-26 |
| RU2014142545A (ru) | 2016-06-27 |
| IN2014DN08922A (enExample) | 2015-05-22 |
| MX2014012683A (es) | 2015-01-16 |
| JP6118817B2 (ja) | 2017-04-19 |
| EP2841423B1 (en) | 2016-11-30 |
| JP2015514676A (ja) | 2015-05-21 |
| US9227942B2 (en) | 2016-01-05 |
| SG11201406589PA (en) | 2014-11-27 |
| IL235161A0 (en) | 2014-12-31 |
| HUE030534T2 (hu) | 2017-05-29 |
| BR112014026474A2 (pt) | 2017-06-27 |
| EP2841423A4 (en) | 2015-09-09 |
| WO2013162065A1 (en) | 2013-10-31 |
| CN104245680B (zh) | 2016-11-23 |
| CN104245680A (zh) | 2014-12-24 |
| EP2841423A1 (en) | 2015-03-04 |
| ES2615304T3 (es) | 2017-06-06 |
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| Date | Code | Title | Description |
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Effective date: 20180425 |