DK1896439T4 - Krystallinsk base af escitalopram og orodispergerbare tabletter, der omfatter escitaloprambase - Google Patents
Krystallinsk base af escitalopram og orodispergerbare tabletter, der omfatter escitaloprambase Download PDFInfo
- Publication number
- DK1896439T4 DK1896439T4 DK06742481.2T DK06742481T DK1896439T4 DK 1896439 T4 DK1896439 T4 DK 1896439T4 DK 06742481 T DK06742481 T DK 06742481T DK 1896439 T4 DK1896439 T4 DK 1896439T4
- Authority
- DK
- Denmark
- Prior art keywords
- escitalopram
- base
- free base
- salt
- crystalline
- Prior art date
Links
- 229960004341 escitalopram Drugs 0.000 title claims description 126
- WSEQXVZVJXJVFP-FQEVSTJZSA-N escitalopram Chemical compound C1([C@]2(C3=CC=C(C=C3CO2)C#N)CCCN(C)C)=CC=C(F)C=C1 WSEQXVZVJXJVFP-FQEVSTJZSA-N 0.000 title claims description 125
- 239000002585 base Substances 0.000 claims description 61
- 238000000034 method Methods 0.000 claims description 49
- 239000012458 free base Substances 0.000 claims description 40
- 150000003839 salts Chemical class 0.000 claims description 32
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 27
- 239000012535 impurity Substances 0.000 claims description 15
- 239000002904 solvent Substances 0.000 claims description 15
- KTGRHKOEFSJQNS-BDQAORGHSA-N (1s)-1-[3-(dimethylamino)propyl]-1-(4-fluorophenyl)-3h-2-benzofuran-5-carbonitrile;oxalic acid Chemical compound OC(=O)C(O)=O.C1([C@]2(C3=CC=C(C=C3CO2)C#N)CCCN(C)C)=CC=C(F)C=C1 KTGRHKOEFSJQNS-BDQAORGHSA-N 0.000 claims description 13
- 238000000746 purification Methods 0.000 claims description 11
- WIHMBLDNRMIGDW-BDQAORGHSA-N escitalopram hydrobromide Chemical compound Br.C1([C@]2(C3=CC=C(C=C3CO2)C#N)CCCN(C)C)=CC=C(F)C=C1 WIHMBLDNRMIGDW-BDQAORGHSA-N 0.000 claims description 10
- 229960005086 escitalopram oxalate Drugs 0.000 claims description 10
- 229960001653 citalopram Drugs 0.000 claims description 9
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 125000004093 cyano group Chemical group *C#N 0.000 claims description 2
- 239000001257 hydrogen Substances 0.000 claims description 2
- 229910052739 hydrogen Inorganic materials 0.000 claims description 2
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 2
- 239000008194 pharmaceutical composition Substances 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims 2
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 claims 1
- 150000001204 N-oxides Chemical class 0.000 claims 1
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 claims 1
- 229910052794 bromium Inorganic materials 0.000 claims 1
- 239000000203 mixture Substances 0.000 description 63
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 39
- 239000000945 filler Substances 0.000 description 32
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 30
- HQKMJHAJHXVSDF-UHFFFAOYSA-L magnesium stearate Chemical compound [Mg+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O HQKMJHAJHXVSDF-UHFFFAOYSA-L 0.000 description 30
- FBPFZTCFMRRESA-KVTDHHQDSA-N D-Mannitol Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@H](O)CO FBPFZTCFMRRESA-KVTDHHQDSA-N 0.000 description 27
- 229930195725 Mannitol Natural products 0.000 description 23
- 239000000594 mannitol Substances 0.000 description 23
- 235000010355 mannitol Nutrition 0.000 description 23
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 20
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 17
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 15
- CPELXLSAUQHCOX-UHFFFAOYSA-N Hydrogen bromide Chemical compound Br CPELXLSAUQHCOX-UHFFFAOYSA-N 0.000 description 15
- 229920000168 Microcrystalline cellulose Polymers 0.000 description 15
- 235000019589 hardness Nutrition 0.000 description 15
- 238000010438 heat treatment Methods 0.000 description 15
- 239000000314 lubricant Substances 0.000 description 15
- 235000019359 magnesium stearate Nutrition 0.000 description 15
- 235000019813 microcrystalline cellulose Nutrition 0.000 description 15
- 239000008108 microcrystalline cellulose Substances 0.000 description 15
- 229940016286 microcrystalline cellulose Drugs 0.000 description 15
- 239000007884 disintegrant Substances 0.000 description 14
- 239000013078 crystal Substances 0.000 description 12
- 238000002425 crystallisation Methods 0.000 description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 12
- 239000002245 particle Substances 0.000 description 10
- 238000001556 precipitation Methods 0.000 description 10
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 9
- 238000007906 compression Methods 0.000 description 8
- 230000006835 compression Effects 0.000 description 8
- 229960004132 diethyl ether Drugs 0.000 description 8
- 238000004128 high performance liquid chromatography Methods 0.000 description 8
- 239000012071 phase Substances 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 7
- 150000001875 compounds Chemical class 0.000 description 6
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 6
- 239000000047 product Substances 0.000 description 6
- WSVLPVUVIUVCRA-KPKNDVKVSA-N Alpha-lactose monohydrate Chemical compound O.O[C@@H]1[C@@H](O)[C@@H](O)[C@@H](CO)O[C@H]1O[C@@H]1[C@@H](CO)O[C@H](O)[C@H](O)[C@H]1O WSVLPVUVIUVCRA-KPKNDVKVSA-N 0.000 description 5
- GUBGYTABKSRVRQ-QKKXKWKRSA-N Lactose Natural products OC[C@H]1O[C@@H](O[C@H]2[C@H](O)[C@@H](O)C(O)O[C@@H]2CO)[C@H](O)[C@@H](O)[C@H]1O GUBGYTABKSRVRQ-QKKXKWKRSA-N 0.000 description 5
- 229910000042 hydrogen bromide Inorganic materials 0.000 description 5
- 239000008101 lactose Substances 0.000 description 5
- 238000002844 melting Methods 0.000 description 5
- 230000008018 melting Effects 0.000 description 5
- WSEQXVZVJXJVFP-HXUWFJFHSA-N (R)-citalopram Chemical compound C1([C@@]2(C3=CC=C(C=C3CO2)C#N)CCCN(C)C)=CC=C(F)C=C1 WSEQXVZVJXJVFP-HXUWFJFHSA-N 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Natural products N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
- 230000008025 crystallization Effects 0.000 description 4
- 238000009472 formulation Methods 0.000 description 4
- UAEPNZWRGJTJPN-UHFFFAOYSA-N methylcyclohexane Chemical compound CC1CCCCC1 UAEPNZWRGJTJPN-UHFFFAOYSA-N 0.000 description 4
- 239000012074 organic phase Substances 0.000 description 4
- 150000003891 oxalate salts Chemical class 0.000 description 4
- 235000006408 oxalic acid Nutrition 0.000 description 4
- 238000010992 reflux Methods 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 3
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 3
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 239000000935 antidepressant agent Substances 0.000 description 3
- BTANRVKWQNVYAZ-UHFFFAOYSA-N butan-2-ol Chemical compound CCC(C)O BTANRVKWQNVYAZ-UHFFFAOYSA-N 0.000 description 3
- 238000000113 differential scanning calorimetry Methods 0.000 description 3
- 229910052736 halogen Inorganic materials 0.000 description 3
- 150000002367 halogens Chemical class 0.000 description 3
- 210000000214 mouth Anatomy 0.000 description 3
- 238000010899 nucleation Methods 0.000 description 3
- 238000001953 recrystallisation Methods 0.000 description 3
- QZAYGJVTTNCVMB-UHFFFAOYSA-N serotonin Chemical compound C1=C(O)C=C2C(CCN)=CNC2=C1 QZAYGJVTTNCVMB-UHFFFAOYSA-N 0.000 description 3
- LQIAZOCLNBBZQK-UHFFFAOYSA-N 1-(1,2-Diphosphanylethyl)pyrrolidin-2-one Chemical compound PCC(P)N1CCCC1=O LQIAZOCLNBBZQK-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 2
- 229920003085 Kollidon® CL Polymers 0.000 description 2
- BZLVMXJERCGZMT-UHFFFAOYSA-N Methyl tert-butyl ether Chemical compound COC(C)(C)C BZLVMXJERCGZMT-UHFFFAOYSA-N 0.000 description 2
- AMQJEAYHLZJPGS-UHFFFAOYSA-N N-Pentanol Chemical compound CCCCCO AMQJEAYHLZJPGS-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
- 239000008186 active pharmaceutical agent Substances 0.000 description 2
- 238000005054 agglomeration Methods 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 125000001246 bromo group Chemical group Br* 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000000706 filtrate Substances 0.000 description 2
- 239000000543 intermediate Substances 0.000 description 2
- 125000001977 isobenzofuranyl group Chemical group C=1(OC=C2C=CC=CC12)* 0.000 description 2
- 238000004895 liquid chromatography mass spectrometry Methods 0.000 description 2
- VQHSOMBJVWLPSR-WUJBLJFYSA-N maltitol Chemical compound OC[C@H](O)[C@@H](O)[C@@H]([C@H](O)CO)O[C@H]1O[C@H](CO)[C@@H](O)[C@H](O)[C@H]1O VQHSOMBJVWLPSR-WUJBLJFYSA-N 0.000 description 2
- GYNNXHKOJHMOHS-UHFFFAOYSA-N methyl-cycloheptane Natural products CC1CCCCCC1 GYNNXHKOJHMOHS-UHFFFAOYSA-N 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 239000008363 phosphate buffer Substances 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
- 239000011541 reaction mixture Substances 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 238000010583 slow cooling Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- SPFMQWBKVUQXJV-BTVCFUMJSA-N (2r,3s,4r,5r)-2,3,4,5,6-pentahydroxyhexanal;hydrate Chemical compound O.OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C=O SPFMQWBKVUQXJV-BTVCFUMJSA-N 0.000 description 1
- JWUJQDFVADABEY-UHFFFAOYSA-N 2-methyltetrahydrofuran Chemical compound CC1CCCO1 JWUJQDFVADABEY-UHFFFAOYSA-N 0.000 description 1
- COAPWBUTTSOWLG-IBGZPJMESA-N 3-[(1s)-5-chloro-1-(4-fluorophenyl)-3h-2-benzofuran-1-yl]-n,n-dimethylpropan-1-amine Chemical compound C1([C@]2(C3=CC=C(Cl)C=C3CO2)CCCN(C)C)=CC=C(F)C=C1 COAPWBUTTSOWLG-IBGZPJMESA-N 0.000 description 1
- CVICEEPAFUYBJG-UHFFFAOYSA-N 5-chloro-2,2-difluoro-1,3-benzodioxole Chemical group C1=C(Cl)C=C2OC(F)(F)OC2=C1 CVICEEPAFUYBJG-UHFFFAOYSA-N 0.000 description 1
- 229920003084 Avicel® PH-102 Polymers 0.000 description 1
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 description 1
- DKPFZGUDAPQIHT-UHFFFAOYSA-N Butyl acetate Natural products CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- ZAFNJMIOTHYJRJ-UHFFFAOYSA-N Diisopropyl ether Chemical compound CC(C)OC(C)C ZAFNJMIOTHYJRJ-UHFFFAOYSA-N 0.000 description 1
- NHTMVDHEPJAVLT-UHFFFAOYSA-N Isooctane Chemical compound CC(C)CC(C)(C)C NHTMVDHEPJAVLT-UHFFFAOYSA-N 0.000 description 1
- 229920003110 Primojel Polymers 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 150000001408 amides Chemical group 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000001430 anti-depressive effect Effects 0.000 description 1
- 229940005513 antidepressants Drugs 0.000 description 1
- 239000008346 aqueous phase Substances 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 229940043232 butyl acetate Drugs 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 125000001309 chloro group Chemical group Cl* 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229960000673 dextrose monohydrate Drugs 0.000 description 1
- JVSWJIKNEAIKJW-UHFFFAOYSA-N dimethyl-hexane Natural products CCCCCC(C)C JVSWJIKNEAIKJW-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 150000002148 esters Chemical group 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 229940052303 ethers for general anesthesia Drugs 0.000 description 1
- 229940093499 ethyl acetate Drugs 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000004108 freeze drying Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- XLYOFNOQVPJJNP-ZSJDYOACSA-N heavy water Substances [2H]O[2H] XLYOFNOQVPJJNP-ZSJDYOACSA-N 0.000 description 1
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 description 1
- 239000012456 homogeneous solution Substances 0.000 description 1
- -1 hydrobromide salt Chemical class 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 125000002346 iodo group Chemical group I* 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- JMMWKPVZQRWMSS-UHFFFAOYSA-N isopropanol acetate Natural products CC(C)OC(C)=O JMMWKPVZQRWMSS-UHFFFAOYSA-N 0.000 description 1
- 229940011051 isopropyl acetate Drugs 0.000 description 1
- GWYFCOCPABKNJV-UHFFFAOYSA-N isovaleric acid Chemical compound CC(C)CC(O)=O GWYFCOCPABKNJV-UHFFFAOYSA-N 0.000 description 1
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 1
- 239000000845 maltitol Substances 0.000 description 1
- 235000010449 maltitol Nutrition 0.000 description 1
- 229940035436 maltitol Drugs 0.000 description 1
- 238000010907 mechanical stirring Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 1
- GEVPUGOOGXGPIO-UHFFFAOYSA-N oxalic acid;dihydrate Chemical compound O.O.OC(=O)C(O)=O GEVPUGOOGXGPIO-UHFFFAOYSA-N 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000000546 pharmaceutical excipient Substances 0.000 description 1
- 239000002798 polar solvent Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229940076279 serotonin Drugs 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000011550 stock solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000009747 swallowing Effects 0.000 description 1
- 239000007916 tablet composition Substances 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 238000000825 ultraviolet detection Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/21—Esters, e.g. nitroglycerine, selenocyanates
- A61K31/215—Esters, e.g. nitroglycerine, selenocyanates of carboxylic acids
- A61K31/216—Esters, e.g. nitroglycerine, selenocyanates of carboxylic acids of acids having aromatic rings, e.g. benactizyne, clofibrate
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/77—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems
- C07D307/87—Benzo [c] furans; Hydrogenated benzo [c] furans
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/33—Heterocyclic compounds
- A61K31/335—Heterocyclic compounds having oxygen as the only ring hetero atom, e.g. fungichromin
- A61K31/34—Heterocyclic compounds having oxygen as the only ring hetero atom, e.g. fungichromin having five-membered rings with one oxygen as the only ring hetero atom, e.g. isosorbide
- A61K31/343—Heterocyclic compounds having oxygen as the only ring hetero atom, e.g. fungichromin having five-membered rings with one oxygen as the only ring hetero atom, e.g. isosorbide condensed with a carbocyclic ring, e.g. coumaran, bufuralol, befunolol, clobenfurol, amiodarone
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/20—Pills, tablets, discs, rods
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P25/00—Drugs for disorders of the nervous system
- A61P25/24—Antidepressants
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P43/00—Drugs for specific purposes, not provided for in groups A61P1/00-A61P41/00
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
- C07B63/00—Purification; Separation; Stabilisation; Use of additives
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Organic Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Medicinal Chemistry (AREA)
- Animal Behavior & Ethology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Pharmacology & Pharmacy (AREA)
- Epidemiology (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Emergency Medicine (AREA)
- Neurology (AREA)
- Biomedical Technology (AREA)
- Neurosurgery (AREA)
- Psychiatry (AREA)
- Pain & Pain Management (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Medicinal Preparation (AREA)
- Furan Compounds (AREA)
- Plural Heterocyclic Compounds (AREA)
Claims (11)
1. Escitalopram fri base i fast form, kendetegnet ved, at den er krystallinsk.
2. Farmaceutisk sammensætning, der indeholder escitalopram fri base ifølge kravl.
3. Krystallinsk base af escitalopram, kendetegnet ved, at den indeholder mindre end 0,20 % urenheder bortset fra Æ-citalopram, navnlig mindre end 0,10 %.
4. Krystallinsk base ifølge krav 3, kendetegnet ved, at den indeholder mindre end 0,10 % af en hvilken som helst særskilt urenhed bortset fra Æ-citalopram.
5. Fremgangsmåde til fremstilling af et salt af escitalopram, kendetegnet ved, at escitalopram fri base udfældes i krystallinsk form fra et opløsningsmiddel og separeres fra opløsningsmidlet, eventuelt omkrystalliseres én eller flere gange og derefter omdannes til et salt af escitalopram.
6. Fremgangsmåde ifølge krav 5 til fremstilling af et salt af escitalopram, kendetegnet ved, at escitalopram fri base udfældes fra et råt escitalopram.
7. Fremgangsmåde ifølge krav 5 eller 6 til fremstilling af et salt af escitalopram, kendetegnet ved, at en urenhed med formlen (II)
hvor Z er cyano, R1 er methyl, og R2 er hydrogen, fjernes fra eller reduceres i escitalopramet ved fremgangsmåden.
8. Fremgangsmåde ifølge krav 7, hvor Z er brom.
9. Fremgangsmåde ifølge et hvilket som helst af kravene 6 til 8, hvor det rå escitalopram underkastes indledende oprensning, før escitalopramhydrobromidet udfældes i krystallinsk form
10. Fremgangsmåde ifølge et hvilket som helst af kravene 6 til 9, kendetegnet ved, at escitalopram fri base omdannes til escitalopram-oxalat.
11. Fremgangsmåde til reduktion af mængden af escitalopram, N-oxid i escitalopram fri base eller et salt deraf, hvilken fremgangsmåde omfatter opløsning af escitalopram fri base i diethylether og fjernelse af escitalopram, TV-oxid som et fast materiale.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DKPA200500912 | 2005-06-22 | ||
| PCT/DK2006/000366 WO2006136169A2 (en) | 2005-06-22 | 2006-06-22 | Crystalline base of escitalopram and orodispersible tablets comprising escitalopram base |
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| Publication Number | Publication Date |
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| DK1896439T3 DK1896439T3 (da) | 2011-02-28 |
| DK1896439T4 true DK1896439T4 (da) | 2015-01-12 |
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| DK06742481.2T DK1896439T4 (da) | 2005-06-22 | 2006-06-22 | Krystallinsk base af escitalopram og orodispergerbare tabletter, der omfatter escitaloprambase |
| DK200800075A DK200800075A (da) | 2005-06-22 | 2008-01-21 | Krystallinsk base af escitalopram og orodispergerbare tabletter indeholdende escitaloprambase |
| DKPA200900284A DK200900284A (da) | 2005-06-22 | 2009-02-27 | Krystallinsk base af escitalopram og smeltetabletter indeholdende escitalopram base |
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| Application Number | Title | Priority Date | Filing Date |
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| DK200800075A DK200800075A (da) | 2005-06-22 | 2008-01-21 | Krystallinsk base af escitalopram og orodispergerbare tabletter indeholdende escitaloprambase |
| DKPA200900284A DK200900284A (da) | 2005-06-22 | 2009-02-27 | Krystallinsk base af escitalopram og smeltetabletter indeholdende escitalopram base |
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| Country | Link |
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| EP (3) | EP1896439B2 (da) |
| JP (5) | JP4906852B2 (da) |
| KR (5) | KR20110084341A (da) |
| CN (2) | CN101189220A (da) |
| AR (2) | AR055062A1 (da) |
| AT (3) | AT10983U1 (da) |
| AU (2) | AU2006261452B2 (da) |
| BG (1) | BG66086B1 (da) |
| BR (1) | BRPI0612295A2 (da) |
| CA (2) | CA2612827C (da) |
| CY (1) | CY1112392T1 (da) |
| CZ (3) | CZ299906B6 (da) |
| DE (2) | DE602006019961D1 (da) |
| DK (3) | DK1896439T4 (da) |
| EA (2) | EA201001108A1 (da) |
| EE (1) | EE00773U1 (da) |
| ES (2) | ES2319073B1 (da) |
| FI (2) | FI20080548A7 (da) |
| GB (2) | GB2442160B (da) |
| HR (1) | HRP20110093T4 (da) |
| HU (1) | HUP0800135A3 (da) |
| IL (1) | IL187454A0 (da) |
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| LV (1) | LV13677B (da) |
| MX (1) | MX2007015328A (da) |
| MY (2) | MY143239A (da) |
| NO (2) | NO20080359L (da) |
| PL (2) | PL1896439T5 (da) |
| PT (1) | PT1896439E (da) |
| RS (1) | RS51575B2 (da) |
| SG (1) | SG169358A1 (da) |
| SI (1) | SI1896439T2 (da) |
| SK (1) | SK500402007A3 (da) |
| TR (2) | TR201000625T1 (da) |
| TW (2) | TWI347942B (da) |
| UA (1) | UA86536C2 (da) |
| WO (1) | WO2006136169A2 (da) |
| ZA (2) | ZA200711066B (da) |
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| WO2008059514A2 (en) * | 2006-07-31 | 2008-05-22 | Cadila Healthcare Limited | Process for preparing escitalopram |
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| EP2595979B1 (en) | 2010-07-23 | 2016-04-06 | H. Lundbeck A/S | Process for the purification of pharmaceutically acceptable salts of escitalopram |
| CN103360353A (zh) * | 2013-08-07 | 2013-10-23 | 中国药科大学 | 草酸艾司西酞普兰杂质的制备方法 |
| JP2018016569A (ja) * | 2016-07-26 | 2018-02-01 | 株式会社トクヤマ | （１ｓ）−１−［３−（ジメチルアミノ）プロピル］−１−（４−フルオロフェニル）−１，３−ジヒドロイソベンゾフラン−５−カルボニトリル蓚酸塩の製造方法 |
| WO2018190294A1 (ja) * | 2017-04-10 | 2018-10-18 | 東和薬品株式会社 | エスシタロプラム医薬組成物 |
| CN110711198B (zh) * | 2018-07-12 | 2022-03-15 | 山东大学 | D-甘露糖在制备抗抑郁药物中的应用 |
| KR102331187B1 (ko) | 2019-04-09 | 2021-11-26 | 주식회사 라이트팜텍 | 에스시탈로프람을 함유하는 안정성이 우수한 경구용 액제 조성물 및 그의 제조방법 |
| US20240100012A1 (en) * | 2021-01-18 | 2024-03-28 | Mark Hasleton | Pharmaceutical dosage form |
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