CA2787759C - Process for preparing an a2a-adenosine receptor agonist and its polymorphs - Google Patents
Process for preparing an a2a-adenosine receptor agonist and its polymorphs Download PDFInfo
- Publication number
- CA2787759C CA2787759C CA2787759A CA2787759A CA2787759C CA 2787759 C CA2787759 C CA 2787759C CA 2787759 A CA2787759 A CA 2787759A CA 2787759 A CA2787759 A CA 2787759A CA 2787759 C CA2787759 C CA 2787759C
- Authority
- CA
- Canada
- Prior art keywords
- compound
- formula
- oxolan
- dihydroxy
- hydroxymethyl
- 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.)
- Active
Links
- 101150051188 Adora2a gene Proteins 0.000 title abstract description 6
- 229940122614 Adenosine receptor agonist Drugs 0.000 title abstract description 5
- 239000003379 purinergic P1 receptor agonist Substances 0.000 title abstract description 5
- 238000004519 manufacturing process Methods 0.000 title 1
- 150000001875 compounds Chemical class 0.000 claims abstract description 44
- 238000000034 method Methods 0.000 claims abstract description 19
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 46
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 29
- BAVYZALUXZFZLV-UHFFFAOYSA-N Methylamine Chemical compound NC BAVYZALUXZFZLV-UHFFFAOYSA-N 0.000 claims description 28
- 239000000047 product Substances 0.000 claims description 21
- 239000007787 solid Substances 0.000 claims description 18
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 claims description 15
- 150000004682 monohydrates Chemical class 0.000 claims description 13
- 239000002904 solvent Substances 0.000 claims description 12
- 238000001914 filtration Methods 0.000 claims description 10
- LZPZPHGJDAGEJZ-AKAIJSEGSA-N regadenoson Chemical compound C1=C(C(=O)NC)C=NN1C1=NC(N)=C(N=CN2[C@H]3[C@@H]([C@H](O)[C@@H](CO)O3)O)C2=N1 LZPZPHGJDAGEJZ-AKAIJSEGSA-N 0.000 claims description 10
- 238000005406 washing Methods 0.000 claims description 6
- 239000002002 slurry Substances 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 4
- 239000007864 aqueous solution Substances 0.000 claims description 3
- 239000008213 purified water Substances 0.000 claims description 3
- 230000002194 synthesizing effect Effects 0.000 claims description 3
- 238000010792 warming Methods 0.000 claims description 3
- 239000007795 chemical reaction product Substances 0.000 claims 1
- 238000003786 synthesis reaction Methods 0.000 abstract description 13
- 230000015572 biosynthetic process Effects 0.000 abstract description 9
- 238000011031 large-scale manufacturing process Methods 0.000 abstract 1
- 238000006243 chemical reaction Methods 0.000 description 37
- 239000000203 mixture Substances 0.000 description 24
- 238000002360 preparation method Methods 0.000 description 20
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 14
- 238000004458 analytical method Methods 0.000 description 14
- BAYFDGKAUSOEIS-UUOKFMHZSA-N (2r,3r,4s,5r)-2-(6-amino-2-hydrazinylpurin-9-yl)-5-(hydroxymethyl)oxolane-3,4-diol Chemical compound C12=NC(NN)=NC(N)=C2N=CN1[C@@H]1O[C@H](CO)[C@@H](O)[C@H]1O BAYFDGKAUSOEIS-UUOKFMHZSA-N 0.000 description 11
- 238000001228 spectrum Methods 0.000 description 11
- OIRDTQYFTABQOQ-KQYNXXCUSA-N adenosine Chemical compound C1=NC=2C(N)=NC=NC=2N1[C@@H]1O[C@H](CO)[C@@H](O)[C@H]1O OIRDTQYFTABQOQ-KQYNXXCUSA-N 0.000 description 10
- HMFLBGNCDZYITR-UHFFFAOYSA-N ethyl 2-formyl-3-oxopropanoate Chemical compound CCOC(=O)C(C=O)C=O HMFLBGNCDZYITR-UHFFFAOYSA-N 0.000 description 10
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 10
- 239000012467 final product Substances 0.000 description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- 239000012535 impurity Substances 0.000 description 8
- 238000003756 stirring Methods 0.000 description 8
- 201000010099 disease Diseases 0.000 description 7
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 7
- IKDUDTNKRLTJSI-UHFFFAOYSA-N hydrazine hydrate Chemical compound O.NN IKDUDTNKRLTJSI-UHFFFAOYSA-N 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 6
- 238000002441 X-ray diffraction Methods 0.000 description 6
- 239000008367 deionised water Substances 0.000 description 6
- 229910021641 deionized water Inorganic materials 0.000 description 6
- 238000000634 powder X-ray diffraction Methods 0.000 description 6
- 239000000243 solution Substances 0.000 description 6
- 239000002126 C01EB10 - Adenosine Substances 0.000 description 5
- 229960005305 adenosine Drugs 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- 239000003586 protic polar solvent Substances 0.000 description 5
- 238000000746 purification Methods 0.000 description 5
- 238000010992 reflux Methods 0.000 description 5
- IAZDPXIOMUYVGZ-WFGJKAKNSA-N Dimethyl sulfoxide Chemical compound [2H]C([2H])([2H])S(=O)C([2H])([2H])[2H] IAZDPXIOMUYVGZ-WFGJKAKNSA-N 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 4
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 4
- -1 coatings Substances 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- BIXYYZIIJIXVFW-UUOKFMHZSA-N (2R,3R,4S,5R)-2-(6-amino-2-chloro-9-purinyl)-5-(hydroxymethyl)oxolane-3,4-diol Chemical compound C1=NC=2C(N)=NC(Cl)=NC=2N1[C@@H]1O[C@H](CO)[C@@H](O)[C@H]1O BIXYYZIIJIXVFW-UUOKFMHZSA-N 0.000 description 3
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 3
- 238000005481 NMR spectroscopy Methods 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 150000001344 alkene derivatives Chemical class 0.000 description 3
- 238000001460 carbon-13 nuclear magnetic resonance spectrum Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000425 proton nuclear magnetic resonance spectrum Methods 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 229910000104 sodium hydride Inorganic materials 0.000 description 3
- 239000007858 starting material Substances 0.000 description 3
- 208000024891 symptom Diseases 0.000 description 3
- CDQVVPUXSPZONN-WPPLYIOHSA-N 1-[6-amino-9-[(2r,3r,4s,5r)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]purin-2-yl]-n-methylpyrazole-4-carboxamide;hydrate Chemical compound O.C1=C(C(=O)NC)C=NN1C1=NC(N)=C(N=CN2[C@H]3[C@@H]([C@H](O)[C@@H](CO)O3)O)C2=N1 CDQVVPUXSPZONN-WPPLYIOHSA-N 0.000 description 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 229910002483 Cu Ka Inorganic materials 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 description 2
- 241000124008 Mammalia Species 0.000 description 2
- ATHHXGZTWNVVOU-UHFFFAOYSA-N N-methylformamide Chemical compound CNC=O ATHHXGZTWNVVOU-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 description 2
- KEAYESYHFKHZAL-UHFFFAOYSA-N Sodium Chemical compound [Na] KEAYESYHFKHZAL-UHFFFAOYSA-N 0.000 description 2
- 239000004480 active ingredient Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 239000008346 aqueous phase Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000004071 biological effect Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 208000029078 coronary artery disease Diseases 0.000 description 2
- 239000003218 coronary vasodilator agent Substances 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000000921 elemental analysis Methods 0.000 description 2
- SIALOQYKFQEKOG-UHFFFAOYSA-N ethyl 3,3-diethoxypropanoate Chemical compound CCOC(OCC)CC(=O)OCC SIALOQYKFQEKOG-UHFFFAOYSA-N 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000012065 filter cake Substances 0.000 description 2
- WBJINCZRORDGAQ-UHFFFAOYSA-N formic acid ethyl ester Natural products CCOC=O WBJINCZRORDGAQ-UHFFFAOYSA-N 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000004128 high performance liquid chromatography Methods 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 239000012044 organic layer Substances 0.000 description 2
- IOLCXVTUBQKXJR-UHFFFAOYSA-M potassium bromide Chemical compound [K+].[Br-] IOLCXVTUBQKXJR-UHFFFAOYSA-M 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- 239000012312 sodium hydride Substances 0.000 description 2
- 239000011343 solid material Substances 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 230000003595 spectral effect Effects 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 2
- 238000002076 thermal analysis method Methods 0.000 description 2
- 230000024883 vasodilation Effects 0.000 description 2
- NWZSZGALRFJKBT-KNIFDHDWSA-N (2s)-2,6-diaminohexanoic acid;(2s)-2-hydroxybutanedioic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O.NCCCC[C@H](N)C(O)=O NWZSZGALRFJKBT-KNIFDHDWSA-N 0.000 description 1
- BHKKSKOHRFHHIN-MRVPVSSYSA-N 1-[[2-[(1R)-1-aminoethyl]-4-chlorophenyl]methyl]-2-sulfanylidene-5H-pyrrolo[3,2-d]pyrimidin-4-one Chemical compound N[C@H](C)C1=C(CN2C(NC(C3=C2C=CN3)=O)=S)C=CC(=C1)Cl BHKKSKOHRFHHIN-MRVPVSSYSA-N 0.000 description 1
- 108050000203 Adenosine receptors Proteins 0.000 description 1
- 102000009346 Adenosine receptors Human genes 0.000 description 1
- 238000005033 Fourier transform infrared spectroscopy Methods 0.000 description 1
- 238000004566 IR spectroscopy Methods 0.000 description 1
- 241001347978 Major minor Species 0.000 description 1
- BZLVMXJERCGZMT-UHFFFAOYSA-N Methyl tert-butyl ether Chemical compound COC(C)(C)C BZLVMXJERCGZMT-UHFFFAOYSA-N 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 1
- 229920003350 Spectratech® Polymers 0.000 description 1
- RHQDFWAXVIIEBN-UHFFFAOYSA-N Trifluoroethanol Chemical compound OCC(F)(F)F RHQDFWAXVIIEBN-UHFFFAOYSA-N 0.000 description 1
- 239000003070 absorption delaying agent Substances 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- 230000008484 agonism Effects 0.000 description 1
- 238000004164 analytical calibration Methods 0.000 description 1
- 239000003242 anti bacterial agent Substances 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 229940121375 antifungal agent Drugs 0.000 description 1
- 239000003429 antifungal agent Substances 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- VSQLEUYPHBCPMK-UHFFFAOYSA-N argon ethyl 3,3-diethoxypropanoate Chemical compound C(C)OC(CC(=O)OCC)OCC.[Ar] VSQLEUYPHBCPMK-UHFFFAOYSA-N 0.000 description 1
- 230000000747 cardiac effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 210000004351 coronary vessel Anatomy 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 238000000113 differential scanning calorimetry Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000002612 dispersion medium Substances 0.000 description 1
- 239000003937 drug carrier Substances 0.000 description 1
- 238000011067 equilibration Methods 0.000 description 1
- ZPVLTIXYQGANFL-IDTAVKCVSA-N ethyl 1-[6-amino-9-[(2r,3r,4s,5r)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]purin-2-yl]pyrazole-4-carboxylate Chemical compound C1=C(C(=O)OCC)C=NN1C1=NC(N)=C(N=CN2[C@H]3[C@@H]([C@H](O)[C@@H](CO)O3)O)C2=N1 ZPVLTIXYQGANFL-IDTAVKCVSA-N 0.000 description 1
- SIZVDXCOFBYELW-QGOBPSGUSA-N ethyl 5-[9-[(2r,3r,4s,5r)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]-6-[[(e)-3-ethoxy-2-formyl-3-oxoprop-1-enyl]amino]purin-2-yl]-1h-pyrazole-4-carboxylate Chemical compound C1=NC=2C(N/C=C(\C=O)C(=O)OCC)=NC(C=3C(=CNN=3)C(=O)OCC)=NC=2N1[C@@H]1O[C@H](CO)[C@@H](O)[C@H]1O SIZVDXCOFBYELW-QGOBPSGUSA-N 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 239000005338 frosted glass Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 150000004677 hydrates Chemical class 0.000 description 1
- 239000005457 ice water Substances 0.000 description 1
- 239000012216 imaging agent Substances 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000002329 infrared spectrum Methods 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000007951 isotonicity adjuster Substances 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- USTIRCKMQGZABE-ZBMQJGODSA-N n-[1-[6-amino-9-[(2r,3r,4s,5r)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]purin-2-yl]pyrazol-4-yl]-n-methylformamide;hydrate Chemical compound O.C1=C(N(C=O)C)C=NN1C1=NC(N)=C(N=CN2[C@H]3[C@@H]([C@H](O)[C@@H](CO)O3)O)C2=N1 USTIRCKMQGZABE-ZBMQJGODSA-N 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 231100000957 no side effect Toxicity 0.000 description 1
- 238000000655 nuclear magnetic resonance spectrum Methods 0.000 description 1
- 239000002777 nucleoside Substances 0.000 description 1
- 150000003833 nucleoside derivatives Chemical class 0.000 description 1
- 230000020477 pH reduction Effects 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 230000035790 physiological processes and functions Effects 0.000 description 1
- 239000002798 polar solvent Substances 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000011045 prefiltration Methods 0.000 description 1
- 125000006239 protecting group Chemical group 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 239000012264 purified product Substances 0.000 description 1
- 108020003175 receptors Proteins 0.000 description 1
- 102000005962 receptors Human genes 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- 239000012265 solid product Substances 0.000 description 1
- 239000012453 solvate Substances 0.000 description 1
- 238000002336 sorption--desorption measurement Methods 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 238000010189 synthetic method Methods 0.000 description 1
- CZDYPVPMEAXLPK-UHFFFAOYSA-N tetramethylsilane Chemical compound C[Si](C)(C)C CZDYPVPMEAXLPK-UHFFFAOYSA-N 0.000 description 1
- BKVIYDNLLOSFOA-OIOBTWANSA-N thallium-201 Chemical compound [201Tl] BKVIYDNLLOSFOA-OIOBTWANSA-N 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- GZXOHHPYODFEGO-UHFFFAOYSA-N triglycine sulfate Chemical class NCC(O)=O.NCC(O)=O.NCC(O)=O.OS(O)(=O)=O GZXOHHPYODFEGO-UHFFFAOYSA-N 0.000 description 1
- 238000003828 vacuum filtration Methods 0.000 description 1
Landscapes
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US76511406P | 2006-02-03 | 2006-02-03 | |
US60/765,114 | 2006-02-03 | ||
US80185706P | 2006-05-18 | 2006-05-18 | |
US60/801,857 | 2006-05-18 | ||
CA2640089A CA2640089C (en) | 2006-02-03 | 2007-02-02 | Process for preparing an a2a-adenosine receptor agonist and its polymorphs |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA2640089A Division CA2640089C (en) | 2006-02-03 | 2007-02-02 | Process for preparing an a2a-adenosine receptor agonist and its polymorphs |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2787759A1 CA2787759A1 (en) | 2007-08-16 |
CA2787759C true CA2787759C (en) | 2015-03-31 |
Family
ID=40421969
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA2787759A Active CA2787759C (en) | 2006-02-03 | 2007-02-02 | Process for preparing an a2a-adenosine receptor agonist and its polymorphs |
Country Status (3)
Country | Link |
---|---|
CN (1) | CN101379073A (zh) |
CA (1) | CA2787759C (zh) |
ZA (1) | ZA200806666B (zh) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014207758A2 (en) | 2013-05-30 | 2014-12-31 | Biophore India Pharmaceuticals Pvt. Ltd. | Novel polymorph of regadenoson |
AU2013407577B2 (en) * | 2013-12-10 | 2017-02-02 | Scinopharm Taiwan, Ltd. | A process for the preparation of regadenoson |
CN104744540A (zh) * | 2013-12-26 | 2015-07-01 | 上海紫源制药有限公司 | 一种制备瑞加德松的方法 |
CN105085593A (zh) * | 2014-04-21 | 2015-11-25 | 上海紫源制药有限公司 | 瑞加德松的晶型及其制备方法 |
CN105175468B (zh) * | 2014-06-17 | 2018-06-19 | 上海紫源制药有限公司 | 一种瑞加德松晶型b的制备方法 |
CN105198950B (zh) * | 2014-06-17 | 2018-10-02 | 上海紫源制药有限公司 | 一种瑞加德松晶型e的制备方法 |
CN110117305B (zh) * | 2018-02-06 | 2023-06-02 | 上海键合医药科技有限公司 | 一种瑞加德松纯化方法及其新晶型 |
-
2007
- 2007-02-02 CA CA2787759A patent/CA2787759C/en active Active
- 2007-02-02 CN CNA2007800044239A patent/CN101379073A/zh active Pending
-
2008
- 2008-07-31 ZA ZA200806666A patent/ZA200806666B/xx unknown
Also Published As
Publication number | Publication date |
---|---|
ZA200806666B (en) | 2009-09-30 |
CN101379073A (zh) | 2009-03-04 |
CA2787759A1 (en) | 2007-08-16 |
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Legal Events
Date | Code | Title | Description |
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EEER | Examination request |
Effective date: 20130221 |