ZA200101140B - Improved omeprazole process and compositions thereof. - Google Patents
Improved omeprazole process and compositions thereof. Download PDFInfo
- Publication number
- ZA200101140B ZA200101140B ZA200101140A ZA200101140A ZA200101140B ZA 200101140 B ZA200101140 B ZA 200101140B ZA 200101140 A ZA200101140 A ZA 200101140A ZA 200101140 A ZA200101140 A ZA 200101140A ZA 200101140 B ZA200101140 B ZA 200101140B
- Authority
- ZA
- South Africa
- Prior art keywords
- methoxy
- omeprazole
- hydrocarbon solvent
- residual
- process according
- Prior art date
Links
- SUBDBMMJDZJVOS-UHFFFAOYSA-N 5-methoxy-2-{[(4-methoxy-3,5-dimethylpyridin-2-yl)methyl]sulfinyl}-1H-benzimidazole Chemical compound N=1C2=CC(OC)=CC=C2NC=1S(=O)CC1=NC=C(C)C(OC)=C1C SUBDBMMJDZJVOS-UHFFFAOYSA-N 0.000 title claims abstract description 78
- 229960000381 omeprazole Drugs 0.000 title claims abstract description 76
- 238000000034 method Methods 0.000 title claims abstract description 63
- 239000000203 mixture Substances 0.000 title claims abstract description 27
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims abstract description 72
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 claims abstract description 69
- 230000001476 alcoholic effect Effects 0.000 claims abstract description 30
- NHQDETIJWKXCTC-UHFFFAOYSA-N 3-chloroperbenzoic acid Chemical compound OOC(=O)C1=CC=CC(Cl)=C1 NHQDETIJWKXCTC-UHFFFAOYSA-N 0.000 claims abstract description 28
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000007810 chemical reaction solvent Substances 0.000 claims abstract description 19
- 239000000047 product Substances 0.000 claims abstract description 17
- 238000006053 organic reaction Methods 0.000 claims abstract description 16
- XURCIPRUUASYLR-UHFFFAOYSA-N Omeprazole sulfide Chemical compound N=1C2=CC(OC)=CC=C2NC=1SCC1=NC=C(C)C(OC)=C1C XURCIPRUUASYLR-UHFFFAOYSA-N 0.000 claims abstract description 15
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 15
- 238000010899 nucleation Methods 0.000 claims abstract description 12
- 239000012043 crude product Substances 0.000 claims abstract description 10
- GBMDVOWEEQVZKZ-UHFFFAOYSA-N methanol;hydrate Chemical compound O.OC GBMDVOWEEQVZKZ-UHFFFAOYSA-N 0.000 claims abstract description 8
- 238000002360 preparation method Methods 0.000 claims abstract description 8
- -1 alkyl formate Chemical compound 0.000 claims abstract description 6
- 238000005292 vacuum distillation Methods 0.000 claims abstract description 6
- 238000001914 filtration Methods 0.000 claims abstract description 5
- 238000005406 washing Methods 0.000 claims abstract 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical group OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 93
- 239000002904 solvent Substances 0.000 claims description 58
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 52
- 239000000243 solution Substances 0.000 claims description 28
- 239000007800 oxidant agent Substances 0.000 claims description 26
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 claims description 22
- TZIHFWKZFHZASV-UHFFFAOYSA-N methyl formate Chemical group COC=O TZIHFWKZFHZASV-UHFFFAOYSA-N 0.000 claims description 22
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 claims description 20
- 150000004945 aromatic hydrocarbons Chemical class 0.000 claims description 19
- 238000007254 oxidation reaction Methods 0.000 claims description 19
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 claims description 12
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 claims description 11
- 235000019253 formic acid Nutrition 0.000 claims description 11
- 230000003647 oxidation Effects 0.000 claims description 11
- FVVXWRGARUACNW-UHFFFAOYSA-N 3-methylisoquinoline Chemical compound C1=CC=C2C=NC(C)=CC2=C1 FVVXWRGARUACNW-UHFFFAOYSA-N 0.000 claims description 9
- 239000008346 aqueous phase Substances 0.000 claims description 9
- 239000008194 pharmaceutical composition Substances 0.000 claims description 9
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 8
- 239000011541 reaction mixture Substances 0.000 claims description 8
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 5
- 230000032683 aging Effects 0.000 claims description 5
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 5
- DTBDAFLSBDGPEA-UHFFFAOYSA-N 3-Methylquinoline Natural products C1=CC=CC2=CC(C)=CN=C21 DTBDAFLSBDGPEA-UHFFFAOYSA-N 0.000 claims description 4
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 claims description 4
- KFSLWBXXFJQRDL-UHFFFAOYSA-N Peracetic acid Chemical compound CC(=O)OO KFSLWBXXFJQRDL-UHFFFAOYSA-N 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- BTEXQKZNRLDUMG-UHFFFAOYSA-N 3-methyl-2-oxidoisoquinolin-2-ium Chemical compound C1=CC=C2C=[N+]([O-])C(C)=CC2=C1 BTEXQKZNRLDUMG-UHFFFAOYSA-N 0.000 claims description 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- USSBDBZGEDUBHE-UHFFFAOYSA-L magnesium;2-oxidooxycarbonylbenzoate Chemical compound [Mg+2].[O-]OC(=O)C1=CC=CC=C1C([O-])=O USSBDBZGEDUBHE-UHFFFAOYSA-L 0.000 claims description 3
- 239000008366 buffered solution Substances 0.000 claims description 2
- 238000001816 cooling Methods 0.000 claims description 2
- 239000012074 organic phase Substances 0.000 claims description 2
- 229910000028 potassium bicarbonate Inorganic materials 0.000 claims description 2
- 235000015497 potassium bicarbonate Nutrition 0.000 claims description 2
- 239000011736 potassium bicarbonate Substances 0.000 claims description 2
- TYJJADVDDVDEDZ-UHFFFAOYSA-M potassium hydrogencarbonate Chemical compound [K+].OC([O-])=O TYJJADVDDVDEDZ-UHFFFAOYSA-M 0.000 claims description 2
- 238000001291 vacuum drying Methods 0.000 claims description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims 14
- 125000000475 sulfinyl group Chemical group [*:2]S([*:1])=O 0.000 claims 10
- 125000003944 tolyl group Chemical group 0.000 claims 9
- 239000000546 pharmaceutical excipient Substances 0.000 claims 4
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 claims 2
- 238000007813 chromatographic assay Methods 0.000 claims 2
- WSLDOOZREJYCGB-UHFFFAOYSA-N 1,2-Dichloroethane Chemical compound ClCCCl WSLDOOZREJYCGB-UHFFFAOYSA-N 0.000 claims 1
- HYZJCKYKOHLVJF-UHFFFAOYSA-N 1H-benzimidazole Chemical compound C1=CC=C2NC=NC2=C1 HYZJCKYKOHLVJF-UHFFFAOYSA-N 0.000 claims 1
- 239000000872 buffer Substances 0.000 claims 1
- XCRBXWCUXJNEFX-UHFFFAOYSA-N peroxybenzoic acid Chemical group OOC(=O)C1=CC=CC=C1 XCRBXWCUXJNEFX-UHFFFAOYSA-N 0.000 claims 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 claims 1
- 235000017557 sodium bicarbonate Nutrition 0.000 claims 1
- 238000002425 crystallisation Methods 0.000 abstract description 16
- 230000008025 crystallization Effects 0.000 abstract description 16
- 238000000746 purification Methods 0.000 abstract description 9
- 238000002955 isolation Methods 0.000 abstract description 8
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 abstract description 4
- 239000003699 antiulcer agent Substances 0.000 abstract description 2
- 238000001035 drying Methods 0.000 abstract description 2
- 239000003960 organic solvent Substances 0.000 abstract description 2
- 238000001953 recrystallisation Methods 0.000 abstract description 2
- 239000002243 precursor Substances 0.000 abstract 1
- 238000006243 chemical reaction Methods 0.000 description 16
- 239000013078 crystal Substances 0.000 description 9
- 239000012535 impurity Substances 0.000 description 7
- 238000006386 neutralization reaction Methods 0.000 description 6
- 239000002245 particle Substances 0.000 description 6
- 239000007787 solid Substances 0.000 description 6
- 238000004128 high performance liquid chromatography Methods 0.000 description 5
- 238000003556 assay Methods 0.000 description 4
- 230000001590 oxidative effect Effects 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 108010010803 Gelatin Proteins 0.000 description 3
- 239000002585 base Substances 0.000 description 3
- 239000006227 byproduct Substances 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 3
- 239000008273 gelatin Substances 0.000 description 3
- 229920000159 gelatin Polymers 0.000 description 3
- 235000019322 gelatine Nutrition 0.000 description 3
- 235000011852 gelatine desserts Nutrition 0.000 description 3
- 230000006911 nucleation Effects 0.000 description 3
- 150000003457 sulfones Chemical class 0.000 description 3
- GUBGYTABKSRVRQ-XLOQQCSPSA-N Alpha-Lactose Chemical class 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 GUBGYTABKSRVRQ-XLOQQCSPSA-N 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 229920000945 Amylopectin Chemical class 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- FBPFZTCFMRRESA-FSIIMWSLSA-N D-Glucitol Chemical class OC[C@H](O)[C@H](O)[C@@H](O)[C@H](O)CO FBPFZTCFMRRESA-FSIIMWSLSA-N 0.000 description 2
- FBPFZTCFMRRESA-KVTDHHQDSA-N D-Mannitol Chemical class OC[C@@H](O)[C@@H](O)[C@H](O)[C@H](O)CO FBPFZTCFMRRESA-KVTDHHQDSA-N 0.000 description 2
- FBPFZTCFMRRESA-JGWLITMVSA-N D-glucitol Chemical class OC[C@H](O)[C@@H](O)[C@H](O)[C@H](O)CO FBPFZTCFMRRESA-JGWLITMVSA-N 0.000 description 2
- 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 2
- 229930195725 Mannitol Chemical class 0.000 description 2
- 229930006000 Sucrose Chemical class 0.000 description 2
- CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical class O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 239000003637 basic solution Substances 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000001913 cellulose Chemical class 0.000 description 2
- 229920002678 cellulose Chemical class 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 235000013681 dietary sucrose Nutrition 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000004821 distillation Methods 0.000 description 2
- 239000000839 emulsion Substances 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 239000007903 gelatin capsule Substances 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 239000008101 lactose Substances 0.000 description 2
- HQKMJHAJHXVSDF-UHFFFAOYSA-L magnesium stearate Chemical compound [Mg+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O HQKMJHAJHXVSDF-UHFFFAOYSA-L 0.000 description 2
- 239000000594 mannitol Chemical class 0.000 description 2
- 235000010355 mannitol Nutrition 0.000 description 2
- 239000000612 proton pump inhibitor Substances 0.000 description 2
- 239000013557 residual solvent Substances 0.000 description 2
- 239000000600 sorbitol Chemical class 0.000 description 2
- 235000010356 sorbitol Nutrition 0.000 description 2
- 230000002269 spontaneous effect Effects 0.000 description 2
- 229960004793 sucrose Drugs 0.000 description 2
- 150000003462 sulfoxides Chemical class 0.000 description 2
- 244000215068 Acacia senegal Species 0.000 description 1
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 229920002261 Corn starch Chemical class 0.000 description 1
- 208000007882 Gastritis Diseases 0.000 description 1
- 229920000084 Gum arabic Polymers 0.000 description 1
- 150000001204 N-oxides Chemical class 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- 229920002472 Starch Chemical class 0.000 description 1
- 208000007107 Stomach Ulcer Diseases 0.000 description 1
- 239000000205 acacia gum Substances 0.000 description 1
- 235000010489 acacia gum Nutrition 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 125000003277 amino group Chemical group 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 230000000181 anti-adherent effect Effects 0.000 description 1
- 239000003831 antifriction material Substances 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 description 1
- 235000013539 calcium stearate Nutrition 0.000 description 1
- 239000008116 calcium stearate Substances 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 238000004587 chromatography analysis Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000008120 corn starch Chemical class 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 230000003467 diminishing effect Effects 0.000 description 1
- 239000011363 dried mixture Substances 0.000 description 1
- 208000000718 duodenal ulcer Diseases 0.000 description 1
- 206010013864 duodenitis Diseases 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000001030 gas--liquid chromatography Methods 0.000 description 1
- 230000002496 gastric effect Effects 0.000 description 1
- 208000021302 gastroesophageal reflux disease Diseases 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 239000004922 lacquer Substances 0.000 description 1
- 238000004811 liquid chromatography Methods 0.000 description 1
- 235000019359 magnesium stearate Nutrition 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 description 1
- 125000000325 methylidene group Chemical group [H]C([H])=* 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 208000000689 peptic esophagitis Diseases 0.000 description 1
- 150000004965 peroxy acids Chemical class 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 229920001592 potato starch Chemical class 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 229940089505 prilosec Drugs 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 229940126409 proton pump inhibitor Drugs 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 239000011877 solvent mixture Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000008107 starch Chemical class 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000007785 strong electrolyte Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 235000000346 sugar Nutrition 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 235000012222 talc Nutrition 0.000 description 1
- 150000003512 tertiary amines Chemical class 0.000 description 1
- 125000001302 tertiary amino group Chemical group 0.000 description 1
- 125000000101 thioether group Chemical group 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 235000010215 titanium dioxide Nutrition 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 235000015112 vegetable and seed oil Nutrition 0.000 description 1
- 239000008158 vegetable oil Substances 0.000 description 1
- 239000001993 wax Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D401/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom
- C07D401/02—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings
- C07D401/12—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings linked by a chain containing hetero atoms as chain links
-
- 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
- A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
- A61K31/41—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having five-membered rings with two or more ring hetero atoms, at least one of which being nitrogen, e.g. tetrazole
- A61K31/4164—1,3-Diazoles
- A61K31/4184—1,3-Diazoles condensed with carbocyclic rings, e.g. benzimidazoles
-
- 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
- A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
- A61K31/435—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom
- A61K31/44—Non condensed pyridines; Hydrogenated derivatives thereof
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P1/00—Drugs for disorders of the alimentary tract or the digestive system
- A61P1/04—Drugs for disorders of the alimentary tract or the digestive system for ulcers, gastritis or reflux esophagitis, e.g. antacids, inhibitors of acid secretion, mucosal protectants
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (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)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Plural Heterocyclic Compounds (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US9603798P | 1998-08-11 | 1998-08-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA200101140B true ZA200101140B (en) | 2002-04-09 |
Family
ID=22254872
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA200101140A ZA200101140B (en) | 1998-08-11 | 2001-02-09 | Improved omeprazole process and compositions thereof. |
Country Status (18)
Country | Link |
---|---|
US (2) | US6166213A (zh) |
EP (1) | EP1104417B1 (zh) |
JP (1) | JP2002522537A (zh) |
KR (1) | KR100632725B1 (zh) |
CN (1) | CN1227246C (zh) |
AT (1) | ATE360626T1 (zh) |
AU (1) | AU764642B2 (zh) |
BR (1) | BR9912883A (zh) |
CA (1) | CA2338967A1 (zh) |
DE (1) | DE69935915T2 (zh) |
DK (1) | DK1104417T3 (zh) |
ES (1) | ES2285857T3 (zh) |
IL (2) | IL141324A0 (zh) |
NO (1) | NO321054B1 (zh) |
NZ (1) | NZ509798A (zh) |
PT (1) | PT1104417E (zh) |
WO (1) | WO2000009497A1 (zh) |
ZA (1) | ZA200101140B (zh) |
Families Citing this family (36)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6645988B2 (en) | 1996-01-04 | 2003-11-11 | Curators Of The University Of Missouri | Substituted benzimidazole dosage forms and method of using same |
US6699885B2 (en) | 1996-01-04 | 2004-03-02 | The Curators Of The University Of Missouri | Substituted benzimidazole dosage forms and methods of using same |
US5840737A (en) | 1996-01-04 | 1998-11-24 | The Curators Of The University Of Missouri | Omeprazole solution and method for using same |
US6489346B1 (en) | 1996-01-04 | 2002-12-03 | The Curators Of The University Of Missouri | Substituted benzimidazole dosage forms and method of using same |
US6303787B1 (en) * | 1998-05-27 | 2001-10-16 | Natco Pharma Limited | Intermediates and an improved process for the preparation of Omeprazole employing the said intermediates |
IL142703A (en) * | 1998-11-10 | 2006-04-10 | Astrazeneca Ab | Crystalline form of omeprazole |
ES2168043B1 (es) | 1999-09-13 | 2003-04-01 | Esteve Labor Dr | Forma farmaceutica solida oral de liberacion modificada que contiene un compuesto de bencimidazol labil en medio acido. |
SI20875A (sl) * | 2001-04-25 | 2002-10-31 | LEK, tovarna farmacevtskih in kemi�nih izdelkov, d.d. | Kristalna oblika omeprazola |
DE10140492A1 (de) | 2001-08-17 | 2003-08-14 | Gruenenthal Gmbh | Hydrate von gegebenenfalls substituierten 2-(2-Pyridinyl)methylthio-1H-benzimidazolen und Verfahren zu ihrer Herstellung |
JP2005521662A (ja) * | 2002-01-25 | 2005-07-21 | サンタラス インコーポレイティッド | プロトンポンプ阻害剤の経粘膜送達 |
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-
1998
- 1998-10-09 US US09/169,231 patent/US6166213A/en not_active Expired - Lifetime
-
1999
- 1999-08-06 EP EP99940964A patent/EP1104417B1/en not_active Expired - Lifetime
- 1999-08-06 BR BR9912883-7A patent/BR9912883A/pt not_active Application Discontinuation
- 1999-08-06 WO PCT/US1999/017970 patent/WO2000009497A1/en active IP Right Grant
- 1999-08-06 CA CA002338967A patent/CA2338967A1/en not_active Abandoned
- 1999-08-06 JP JP2000564949A patent/JP2002522537A/ja active Pending
- 1999-08-06 PT PT99940964T patent/PT1104417E/pt unknown
- 1999-08-06 ES ES99940964T patent/ES2285857T3/es not_active Expired - Lifetime
- 1999-08-06 DK DK99940964T patent/DK1104417T3/da active
- 1999-08-06 NZ NZ509798A patent/NZ509798A/xx unknown
- 1999-08-06 KR KR1020017001737A patent/KR100632725B1/ko not_active IP Right Cessation
- 1999-08-06 DE DE69935915T patent/DE69935915T2/de not_active Expired - Fee Related
- 1999-08-06 AT AT99940964T patent/ATE360626T1/de not_active IP Right Cessation
- 1999-08-06 AU AU54709/99A patent/AU764642B2/en not_active Ceased
- 1999-08-06 CN CNB998119083A patent/CN1227246C/zh not_active Expired - Fee Related
- 1999-08-06 IL IL14132499A patent/IL141324A0/xx active IP Right Grant
- 1999-09-01 US US09/387,945 patent/US6147103A/en not_active Expired - Lifetime
-
2001
- 2001-02-07 IL IL141324A patent/IL141324A/en not_active IP Right Cessation
- 2001-02-09 ZA ZA200101140A patent/ZA200101140B/en unknown
- 2001-02-09 NO NO20010677A patent/NO321054B1/no unknown
Also Published As
Publication number | Publication date |
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AU5470999A (en) | 2000-03-06 |
KR20010072382A (ko) | 2001-07-31 |
WO2000009497A1 (en) | 2000-02-24 |
US6147103A (en) | 2000-11-14 |
AU764642B2 (en) | 2003-08-28 |
CA2338967A1 (en) | 2000-02-24 |
NO20010677D0 (no) | 2001-02-09 |
DE69935915D1 (de) | 2007-06-06 |
CN1227246C (zh) | 2005-11-16 |
ES2285857T3 (es) | 2007-11-16 |
EP1104417A1 (en) | 2001-06-06 |
US6166213A (en) | 2000-12-26 |
DK1104417T3 (da) | 2007-07-16 |
NZ509798A (en) | 2003-06-30 |
ATE360626T1 (de) | 2007-05-15 |
EP1104417B1 (en) | 2007-04-25 |
KR100632725B1 (ko) | 2006-10-16 |
PT1104417E (pt) | 2007-06-29 |
CN1322201A (zh) | 2001-11-14 |
NO20010677L (no) | 2001-04-09 |
JP2002522537A (ja) | 2002-07-23 |
DE69935915T2 (de) | 2008-01-10 |
NO321054B1 (no) | 2006-03-06 |
IL141324A (en) | 2007-05-15 |
BR9912883A (pt) | 2001-09-25 |
IL141324A0 (en) | 2002-03-10 |
EP1104417A4 (en) | 2002-12-18 |
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