UA75147C2 - A process for the preparation of racemic citalopram and/or s-or r- citalopram by separation of the mixture of s- and r- citalopram - Google Patents
A process for the preparation of racemic citalopram and/or s-or r- citalopram by separation of the mixture of s- and r- citalopram Download PDFInfo
- Publication number
- UA75147C2 UA75147C2 UA20031211986A UA20031211986A UA75147C2 UA 75147 C2 UA75147 C2 UA 75147C2 UA 20031211986 A UA20031211986 A UA 20031211986A UA 20031211986 A UA20031211986 A UA 20031211986A UA 75147 C2 UA75147 C2 UA 75147C2
- Authority
- UA
- Ukraine
- Prior art keywords
- citalopram
- mixture
- acid
- racemic
- precipitate
- Prior art date
Links
- 229960001653 citalopram Drugs 0.000 title abstract description 180
- 239000000203 mixture Substances 0.000 title abstract description 94
- 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 title abstract description 92
- 238000000034 method Methods 0.000 title abstract description 37
- 238000002360 preparation method Methods 0.000 title abstract description 10
- 238000000926 separation method Methods 0.000 title abstract description 5
- 239000002253 acid Substances 0.000 abstract description 51
- 150000003839 salts Chemical class 0.000 abstract description 32
- 239000002244 precipitate Substances 0.000 abstract description 23
- 239000002904 solvent Substances 0.000 abstract description 20
- 239000012458 free base Substances 0.000 abstract description 16
- 239000012452 mother liquor Substances 0.000 abstract description 16
- 238000000746 purification Methods 0.000 abstract description 5
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 76
- 239000003921 oil Substances 0.000 description 33
- 238000001556 precipitation Methods 0.000 description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 23
- JFDZBHWFFUWGJE-UHFFFAOYSA-N benzonitrile Chemical compound N#CC1=CC=CC=C1 JFDZBHWFFUWGJE-UHFFFAOYSA-N 0.000 description 21
- 239000000243 solution Substances 0.000 description 21
- -1 1-hydroxybutyl Chemical group 0.000 description 19
- 239000012071 phase Substances 0.000 description 19
- 238000006243 chemical reaction Methods 0.000 description 18
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 16
- 239000013078 crystal Substances 0.000 description 16
- 238000001704 evaporation Methods 0.000 description 13
- 239000000126 substance Substances 0.000 description 13
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 12
- 230000008020 evaporation Effects 0.000 description 12
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 11
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 11
- 239000000047 product Substances 0.000 description 10
- CPELXLSAUQHCOX-UHFFFAOYSA-N Hydrogen bromide Chemical class Br CPELXLSAUQHCOX-UHFFFAOYSA-N 0.000 description 9
- 230000002378 acidificating effect Effects 0.000 description 9
- 238000004128 high performance liquid chromatography Methods 0.000 description 9
- 238000006798 ring closing metathesis reaction Methods 0.000 description 9
- 239000007787 solid Substances 0.000 description 9
- 239000010413 mother solution Substances 0.000 description 8
- PCOFIIVWHXIDGT-UHFFFAOYSA-N 3-(hydroxymethyl)benzonitrile Chemical compound OCC1=CC=CC(C#N)=C1 PCOFIIVWHXIDGT-UHFFFAOYSA-N 0.000 description 7
- 150000007513 acids Chemical class 0.000 description 7
- 239000000654 additive Substances 0.000 description 7
- 239000002585 base Substances 0.000 description 7
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 6
- 230000000996 additive effect Effects 0.000 description 5
- 229910021529 ammonia Inorganic materials 0.000 description 5
- 239000007864 aqueous solution Substances 0.000 description 5
- 238000004296 chiral HPLC Methods 0.000 description 5
- 150000001875 compounds Chemical class 0.000 description 5
- 238000002425 crystallisation Methods 0.000 description 5
- 230000008025 crystallization Effects 0.000 description 5
- SYSQUGFVNFXIIT-UHFFFAOYSA-N n-[4-(1,3-benzoxazol-2-yl)phenyl]-4-nitrobenzenesulfonamide Chemical class C1=CC([N+](=O)[O-])=CC=C1S(=O)(=O)NC1=CC=C(C=2OC3=CC=CC=C3N=2)C=C1 SYSQUGFVNFXIIT-UHFFFAOYSA-N 0.000 description 5
- 150000003891 oxalate salts Chemical class 0.000 description 5
- 239000011541 reaction mixture Substances 0.000 description 5
- NWRXEGKWQXAEHC-UHFFFAOYSA-N 2-(hydroxymethyl)benzonitrile Chemical compound OCC1=CC=CC=C1C#N NWRXEGKWQXAEHC-UHFFFAOYSA-N 0.000 description 4
- HBAQYPYDRFILMT-UHFFFAOYSA-N 8-[3-(1-cyclopropylpyrazol-4-yl)-1H-pyrazolo[4,3-d]pyrimidin-5-yl]-3-methyl-3,8-diazabicyclo[3.2.1]octan-2-one Chemical class C1(CC1)N1N=CC(=C1)C1=NNC2=C1N=C(N=C2)N1C2C(N(CC1CC2)C)=O HBAQYPYDRFILMT-UHFFFAOYSA-N 0.000 description 4
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 3
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 3
- 150000001298 alcohols Chemical class 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 3
- 239000006227 byproduct Substances 0.000 description 3
- 125000004185 ester group Chemical group 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 238000000605 extraction Methods 0.000 description 3
- 229910052500 inorganic mineral Inorganic materials 0.000 description 3
- 239000011707 mineral Substances 0.000 description 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- 238000005191 phase separation Methods 0.000 description 3
- 238000001953 recrystallisation Methods 0.000 description 3
- YYROPELSRYBVMQ-UHFFFAOYSA-N 4-toluenesulfonyl chloride Chemical compound CC1=CC=C(S(Cl)(=O)=O)C=C1 YYROPELSRYBVMQ-UHFFFAOYSA-N 0.000 description 2
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonium chloride Substances [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 150000001335 aliphatic alkanes Chemical class 0.000 description 2
- 235000011114 ammonium hydroxide Nutrition 0.000 description 2
- 239000000935 antidepressant agent Substances 0.000 description 2
- 229940005513 antidepressants Drugs 0.000 description 2
- 239000008346 aqueous phase Substances 0.000 description 2
- 238000004587 chromatography analysis Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000000875 corresponding effect Effects 0.000 description 2
- 238000007333 cyanation reaction Methods 0.000 description 2
- 238000010908 decantation Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 229960004341 escitalopram Drugs 0.000 description 2
- 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 description 2
- 239000000284 extract Substances 0.000 description 2
- 239000000706 filtrate Substances 0.000 description 2
- 238000007429 general method Methods 0.000 description 2
- 229910000042 hydrogen bromide Inorganic materials 0.000 description 2
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 2
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 2
- 230000035484 reaction time Effects 0.000 description 2
- 239000013049 sediment Substances 0.000 description 2
- 229950007352 talopram Drugs 0.000 description 2
- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 description 2
- PVFOHMXILQEIHX-UHFFFAOYSA-N 8-[(6-bromo-1,3-benzodioxol-5-yl)sulfanyl]-9-[2-(2-bromophenyl)ethyl]purin-6-amine Chemical compound C=1C=2OCOC=2C=C(Br)C=1SC1=NC=2C(N)=NC=NC=2N1CCC1=CC=CC=C1Br PVFOHMXILQEIHX-UHFFFAOYSA-N 0.000 description 1
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 description 1
- FVIGODVHAVLZOO-UHFFFAOYSA-N Dixanthogen Chemical compound CCOC(=S)SSC(=S)OCC FVIGODVHAVLZOO-UHFFFAOYSA-N 0.000 description 1
- 241000755093 Gaidropsarus vulgaris Species 0.000 description 1
- 206010028980 Neoplasm Diseases 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- 240000003718 Petiveria alliacea Species 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- LMDSAFNXCHPEQY-UHFFFAOYSA-N acetonitrile hexane Chemical compound CCCCCC.C(C)#N.C(C)#N LMDSAFNXCHPEQY-UHFFFAOYSA-N 0.000 description 1
- PBCJIPOGFJYBJE-UHFFFAOYSA-N acetonitrile;hydrate Chemical compound O.CC#N PBCJIPOGFJYBJE-UHFFFAOYSA-N 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 230000001430 anti-depressive effect Effects 0.000 description 1
- 239000000010 aprotic solvent Substances 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 201000011510 cancer Diseases 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 1
- 150000001735 carboxylic acids Chemical class 0.000 description 1
- 238000012824 chemical production Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000005137 deposition process Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 125000001207 fluorophenyl group Chemical group 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 125000004029 hydroxymethyl group Chemical group [H]OC([H])([H])* 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 235000006408 oxalic acid Nutrition 0.000 description 1
- PFPYHYZFFJJQFD-UHFFFAOYSA-N oxalic anhydride Chemical compound O=C1OC1=O PFPYHYZFFJJQFD-UHFFFAOYSA-N 0.000 description 1
- 230000021962 pH elevation Effects 0.000 description 1
- 230000020477 pH reduction Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000003586 protic polar solvent Substances 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000007363 ring formation reaction Methods 0.000 description 1
- 238000007142 ring opening reaction Methods 0.000 description 1
- 238000005185 salting out Methods 0.000 description 1
- 229940124834 selective serotonin reuptake inhibitor Drugs 0.000 description 1
- 239000012896 selective serotonin reuptake inhibitor Substances 0.000 description 1
- 239000003772 serotonin uptake inhibitor Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 239000006104 solid solution Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 230000000707 stereoselective effect Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 150000003458 sulfonic acid derivatives Chemical class 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- LJBBMCNHIUJBDU-UHFFFAOYSA-N talopram Chemical compound O1C(C)(C)C2=CC=CC=C2C1(CCCNC)C1=CC=CC=C1 LJBBMCNHIUJBDU-UHFFFAOYSA-N 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- CMQCNTNASCDNGR-UHFFFAOYSA-N toluene;hydrate Chemical compound O.CC1=CC=CC=C1 CMQCNTNASCDNGR-UHFFFAOYSA-N 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Classifications
-
- 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
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P25/00—Drugs for disorders of the nervous system
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Pharmacology & Pharmacy (AREA)
- Neurosurgery (AREA)
- Biomedical Technology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Medicinal Chemistry (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Engineering & Computer Science (AREA)
- Neurology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Pain & Pain Management (AREA)
- Psychiatry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DKPA200100991 | 2001-06-25 | ||
| PCT/DK2002/000426 WO2003000672A1 (en) | 2001-06-25 | 2002-06-25 | Process for the preparation of racemic citalopram and/or s- or r-citalopram by separation of a mixture of r- and s-citalopram |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| UA75147C2 true UA75147C2 (en) | 2006-03-15 |
Family
ID=8160584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| UA20031211986A UA75147C2 (en) | 2001-06-25 | 2002-06-25 | A process for the preparation of racemic citalopram and/or s-or r- citalopram by separation of the mixture of s- and r- citalopram |
Country Status (40)
| Country | Link |
|---|---|
| US (1) | US7112686B2 (zh) |
| EP (1) | EP1412341B1 (zh) |
| JP (2) | JP4377219B2 (zh) |
| KR (4) | KR20100052550A (zh) |
| CN (2) | CN100429208C (zh) |
| AR (2) | AR034612A1 (zh) |
| AT (1) | ATE284395T1 (zh) |
| BG (1) | BG66372B1 (zh) |
| BR (1) | BRPI0210574B8 (zh) |
| CA (2) | CA2450890C (zh) |
| CO (1) | CO5550420A2 (zh) |
| CZ (1) | CZ305034B6 (zh) |
| DE (1) | DE60202216T2 (zh) |
| DK (1) | DK1412341T3 (zh) |
| EA (1) | EA006446B1 (zh) |
| ES (1) | ES2233834T3 (zh) |
| HK (2) | HK1068627A1 (zh) |
| HR (1) | HRP20031075B1 (zh) |
| HU (1) | HU228476B1 (zh) |
| IL (1) | IL159229A0 (zh) |
| IS (1) | IS2426B (zh) |
| JO (1) | JO2389B1 (zh) |
| MA (1) | MA26260A1 (zh) |
| ME (2) | MEP1508A (zh) |
| MX (1) | MXPA03011770A (zh) |
| MY (1) | MY133471A (zh) |
| NO (2) | NO329873B1 (zh) |
| NZ (1) | NZ530104A (zh) |
| PE (1) | PE20030122A1 (zh) |
| PL (1) | PL366560A1 (zh) |
| PT (1) | PT1412341E (zh) |
| RS (1) | RS50673B (zh) |
| SI (1) | SI1412341T1 (zh) |
| SK (1) | SK287696B6 (zh) |
| TN (1) | TNSN02062A1 (zh) |
| TW (1) | TWI236473B (zh) |
| UA (1) | UA75147C2 (zh) |
| UY (2) | UY27356A1 (zh) |
| WO (1) | WO2003000672A1 (zh) |
| ZA (1) | ZA200309633B (zh) |
Families Citing this family (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI306846B (en) | 2002-08-12 | 2009-03-01 | Lundbeck & Co As H | Method for the separation of intermediates which may be used for the preparation of escitalopram |
| EP2363389A1 (en) | 2002-12-23 | 2011-09-07 | H. Lundbeck A/S | A process for the preparation of racemic citalopram diol and/or S- or R-citalopram diols and the use of such diols for the preparation of racemic citalopram, R-citalopram and/or S-citalopram |
| ES2385975T3 (es) * | 2002-12-23 | 2012-08-06 | H. Lundbeck A/S | Procedimiento para la preparación de citalopram diol racémico y/o S- O R-citalopram dioles y el uso de tales dioles para la preparación de citalopram racémico, R-citalopram y/o S-citalopram |
| PT1578738E (pt) | 2002-12-23 | 2008-04-11 | Lundbeck & Co As H | Bromidrato de escitalopram e um método para a sua preparação |
| US20050154052A1 (en) * | 2003-03-24 | 2005-07-14 | Hetero Drugs Limited | Novel crystalline forms of (s)-citalopram oxalate |
| CN100569765C (zh) | 2003-12-19 | 2009-12-16 | 杭州民生药业集团有限公司 | 西酞普兰中间体晶体碱 |
| TWI339651B (en) * | 2004-02-12 | 2011-04-01 | Lundbeck & Co As H | Method for the separation of intermediates which may be used for the preparation of escitalopram |
| US20050196453A1 (en) | 2004-03-05 | 2005-09-08 | H. Lundbeck A/S | Crystalline composition containing escitalopram |
| WO2005084643A1 (en) * | 2004-03-05 | 2005-09-15 | H. Lundbeck A/S | Crystalline composition containing escitalopram oxalate |
| ITMI20040717A1 (it) | 2004-04-09 | 2004-07-09 | Adorkem Technology Spa | Procedimento chemo-enzimatico per la preparazione dell'escitalopram |
| JP2006008603A (ja) * | 2004-06-25 | 2006-01-12 | Sumitomo Chemical Co Ltd | 光学活性シタロプラムの製造方法、その中間体およびその製造方法 |
| US7989645B2 (en) * | 2004-08-23 | 2011-08-02 | Sun Pharma Global Fze | Process for preparation of citalopram and enantiomers |
| WO2006021971A2 (en) * | 2004-08-23 | 2006-03-02 | Sun Pharmaceutical Industries Limited | 'process for preparation of citalopram and enantiomers' |
| WO2006123243A2 (en) * | 2005-05-20 | 2006-11-23 | Aurobindo Pharma Limited | Pharmaceutical dosage forms comprising escitalopram in form of granules |
| TWI358407B (en) * | 2005-06-22 | 2012-02-21 | Lundbeck & Co As H | Crystalline base of escitalopram and orodispersibl |
| US7834201B2 (en) | 2005-06-22 | 2010-11-16 | H. Lundbeck A/S | Crystalline base of escitalopram and orodispersible tablets comprising escitalopram base |
| BRPI0617382A2 (pt) | 2005-10-14 | 2017-07-11 | H Lundbeck As | Métodos para tratar um distúrbio do sistema nervoso central em um paciente, para tratar um paciente sofrendo de condições e uma disfunção sexual, e para reduzir um retardo na eficácia terapêutica em seguida ao início do tratamento |
| WO2008059514A2 (en) * | 2006-07-31 | 2008-05-22 | Cadila Healthcare Limited | Process for preparing escitalopram |
| NZ570884A (en) | 2007-09-11 | 2010-03-26 | Lundbeck & Co As H | Fractionally crystallising 4-[4-(dimethyl amino)-1-(4'-fluorophenyl)-1-hydroxybutyI]-3-(hydroxymethyl)-benzonitrile and manufacturing escitalopram therefrom |
| US8022232B2 (en) * | 2007-09-11 | 2011-09-20 | H. Lundbeck A/S | Method for manufacture of escitalopram |
| CN100548974C (zh) * | 2007-10-11 | 2009-10-14 | 浙江大学 | 西酞普兰中间体的萃取分离方法 |
| CN101560199B (zh) * | 2008-04-16 | 2013-09-18 | 北京德众万全药物技术开发有限公司 | 一种依地普仑的制备方法 |
| TWI381813B (zh) | 2010-01-12 | 2013-01-11 | Taiwan Paiho Ltd | A Velcro assembly for a foamed article and a foamed article comprising the adhesive tape assembly |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8419963D0 (en) * | 1984-08-06 | 1984-09-12 | Lundbeck & Co As H | Intermediate compound and method |
| GB8814057D0 (en) * | 1988-06-14 | 1988-07-20 | Lundbeck & Co As H | New enantiomers & their isolation |
| DE69920526T2 (de) * | 1999-10-25 | 2006-02-23 | H. Lundbeck A/S | Verfahren zur herstellung von citalopram |
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