WO2005021511A1 - A novel process for amorphous rosuvastatin calcium - Google Patents
A novel process for amorphous rosuvastatin calcium Download PDFInfo
- Publication number
- WO2005021511A1 WO2005021511A1 PCT/IN2003/000288 IN0300288W WO2005021511A1 WO 2005021511 A1 WO2005021511 A1 WO 2005021511A1 IN 0300288 W IN0300288 W IN 0300288W WO 2005021511 A1 WO2005021511 A1 WO 2005021511A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- rosuvastatin calcium
- solvent
- amorphous
- ketone
- amorphous rosuvastatin
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D239/00—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings
- C07D239/02—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings
- C07D239/24—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members
- C07D239/28—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, directly attached to ring carbon atoms
- C07D239/32—One oxygen, sulfur or nitrogen atom
- C07D239/42—One nitrogen atom
-
- 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
- A61K31/495—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with two or more nitrogen atoms as the only ring heteroatoms, e.g. piperazine or tetrazines
- A61K31/505—Pyrimidines; Hydrogenated pyrimidines, e.g. trimethoprim
Definitions
- the present invention provides a novel process for the preparation of amorphous rosuvastatin calcium.
- (+)-7-[4-(4-f!uorophenyl)-6-isopropyl-2-(N-methyl-N-methyl sulfonyl amino)pyrimidin-5-yl]-(3R,5S)-dihydroxy-(E)-6-heptenoic acid and its salts are 3- hydroxy-3-methyl-glutaryl coenzyme A (HMG-CoA) reductase inhibitors and useful in the treatment of hypercholesterolemia, hyperlipoproteinemia and atherosclerosis.
- HMG-CoA 3- hydroxy-3-methyl-glutaryl coenzyme A reductase inhibitors and useful in the treatment of hypercholesterolemia, hyperlipoproteinemia and atherosclerosis.
- HMG-CoA 3- hydroxy-3-methyl-glutaryl coenzyme A
- WO 00/42024 disclosed a crystalline form (form A) of rosuvastatin calcium.
- Various crystalline salts of rosuvastatin were disclosed in WO 01/60804.
- the amorphous form produced by the novel process has better dissolution characteristics than the crystalline form known in the art.
- the object of the present invention is to provide a novel process for the preparation of amorphous rosuvastatin calcium and a pharmaceutical composition containing it.
- amorphous rosuvastatin calcium is characterized by having broad x-ray diffraction spectrum as in figure 1.
- a process is provided for preparation of amorphous rosuvastatin calcium.
- Amorphous rosuvastatin calcium is prepared by dissolving rosuvastatin calcium in an alcohol, a ketone or an ester solvent and removing the solvent.
- the alcohol solvent is selected from the group consisting of methanol, ethanol, isopropyl alcohol, tert-butyl alcohol and n-butyl alcohol.
- the ketone solvent is selected from the group consisting of acetone, diethyl ketone, methylethyl ketone, methylisobutyl ketone and methylpropyl ketone.
- the ester solvent is selected from ethylacetate and methylacetate. A mixture of two or more of these solvents may also be used.
- the preferable alcohols are ethanol and methanol.
- the solvent may be removed from the solution by vacuum drying, freeze- drying, lyophilization or spray drying. Rosuvastatin calcium obtained by a known process may be used in the process.
- a pharmaceutical composition comprising amorphous rosuvastatin calcium and a pharmaceutically acceptable carrier or diluent.
- Figure 1 is ' a x-ray powder diffraction spectrum of amorphous rosuvastatin calcium. x-Ray powder diffraction spectrum was measured on a Bruker axs D8 advance x-ray powder diffractometer having a copper-Kr radiation.
- Example 1 Rosuvastatin calcium (25 gm) is dissolved in ethanol (250 ml). The solution is subjected to vacuum drying at about 55°C for 10 hours to give 23 gm of amorphous rosuvastatin calcium.
- Example 2 Rosuvastatin calcium (25 gm) is dissolved in methanol (200 ml). The solution is subjected to spray drying at about 50°C for 8 hours to give 22.5 gm of amorphous rosuvastatin calcium.
- Example 3 Rosuvastatin calcium (20 gm) is dissolved in water (200 ml). The solution is subjected to lyophilization to give 18 gm of amorphous rosuvastatin calcium.
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2003269478A AU2003269478A1 (en) | 2003-08-27 | 2003-08-27 | A novel process for amorphous rosuvastatin calcium |
PCT/IN2003/000288 WO2005021511A1 (en) | 2003-08-27 | 2003-08-27 | A novel process for amorphous rosuvastatin calcium |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/IN2003/000288 WO2005021511A1 (en) | 2003-08-27 | 2003-08-27 | A novel process for amorphous rosuvastatin calcium |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005021511A1 true WO2005021511A1 (en) | 2005-03-10 |
Family
ID=34259913
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/IN2003/000288 WO2005021511A1 (en) | 2003-08-27 | 2003-08-27 | A novel process for amorphous rosuvastatin calcium |
Country Status (2)
Country | Link |
---|---|
AU (1) | AU2003269478A1 (en) |
WO (1) | WO2005021511A1 (en) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2005077917A1 (en) * | 2004-01-19 | 2005-08-25 | Ranbaxy Laboratories Limited | Amorphous salts of rosuvastatin |
US7244844B2 (en) | 2003-12-02 | 2007-07-17 | Teva Pharmaceutical Industries Ltd. | Reference standard for characterization of rosuvastatin |
US7396927B2 (en) | 2003-08-28 | 2008-07-08 | Teva Pharmaceutical Industries Ltd. | Process for preparation of rosuvastatin calcium |
US7612203B2 (en) | 2005-02-22 | 2009-11-03 | Teva Pharmaceutical Industries Ltd. | Rosuvastatin and salts thereof free of rosuvastatin alkylether and a process for the preparation thereof |
JP2010503723A (en) * | 2006-09-18 | 2010-02-04 | リチュテル・ゲデオン・ヴェジェーセティ・ジャール・ニュイルヴァーノシャン・ミューコェデー・レースヴェーニュタールシャシャーグ | Rosuvastatin calcium-containing pharmaceutical composition |
US7777034B2 (en) | 2003-11-24 | 2010-08-17 | Teva Pharmaceutical Industries Ltd. | Crystalline ammonium salts of rosuvastatin |
US7868169B2 (en) | 2005-08-16 | 2011-01-11 | Teva Pharmaceutical Industries, Ltd. | Crystalline rosuvastatin intermediate |
US7994178B2 (en) | 2006-09-18 | 2011-08-09 | Teva Pharmaceutical Industries, Ltd. | Crystalline rosuvastatin calcium and compositions thereof for treatment of hyperlipidaemia |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5260440A (en) * | 1991-07-01 | 1993-11-09 | Shionogi Seiyaku Kabushiki Kaisha | Pyrimidine derivatives |
WO2001060804A1 (en) * | 2000-02-15 | 2001-08-23 | Astrazeneca Ab | Crystalline salts of 7-[4-(4-fluorophenyl)-6-isopropyl-2-[methyl(methylsulfonyl)amino]pyrimidin-5-yl]-(3r,5s)-3,5-dihydroxyhept-6-enoic acid |
WO2003097614A2 (en) * | 2002-05-21 | 2003-11-27 | Ranbaxy Laboratories Limited | Process for the preparation of rosuvastatin |
-
2003
- 2003-08-27 WO PCT/IN2003/000288 patent/WO2005021511A1/en active Application Filing
- 2003-08-27 AU AU2003269478A patent/AU2003269478A1/en not_active Abandoned
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5260440A (en) * | 1991-07-01 | 1993-11-09 | Shionogi Seiyaku Kabushiki Kaisha | Pyrimidine derivatives |
WO2001060804A1 (en) * | 2000-02-15 | 2001-08-23 | Astrazeneca Ab | Crystalline salts of 7-[4-(4-fluorophenyl)-6-isopropyl-2-[methyl(methylsulfonyl)amino]pyrimidin-5-yl]-(3r,5s)-3,5-dihydroxyhept-6-enoic acid |
WO2003097614A2 (en) * | 2002-05-21 | 2003-11-27 | Ranbaxy Laboratories Limited | Process for the preparation of rosuvastatin |
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7396927B2 (en) | 2003-08-28 | 2008-07-08 | Teva Pharmaceutical Industries Ltd. | Process for preparation of rosuvastatin calcium |
US7777034B2 (en) | 2003-11-24 | 2010-08-17 | Teva Pharmaceutical Industries Ltd. | Crystalline ammonium salts of rosuvastatin |
US7692008B2 (en) | 2003-12-02 | 2010-04-06 | Teva Pharmaceutical Industries Ltd. | Reference standard for characterization of rosuvastatin |
US7692009B2 (en) | 2003-12-02 | 2010-04-06 | Teva Pharmaceutical Industries Ltd. | Reference standard for characterization of rosuvastatin |
US7692010B2 (en) | 2003-12-02 | 2010-04-06 | Teva Pharmaceutical Industries Ltd. | Reference standard for characterization of rosuvastatin |
US7741482B2 (en) | 2003-12-02 | 2010-06-22 | Teva Pharmaceutical Industries Ltd. | Reference standard for characterization of rosuvastatin |
US7244844B2 (en) | 2003-12-02 | 2007-07-17 | Teva Pharmaceutical Industries Ltd. | Reference standard for characterization of rosuvastatin |
US8487097B2 (en) | 2003-12-02 | 2013-07-16 | Teva Pharmacedutical Industries Ltd. | Reference standard for characterization of rosuvastatin |
WO2005077917A1 (en) * | 2004-01-19 | 2005-08-25 | Ranbaxy Laboratories Limited | Amorphous salts of rosuvastatin |
US7612203B2 (en) | 2005-02-22 | 2009-11-03 | Teva Pharmaceutical Industries Ltd. | Rosuvastatin and salts thereof free of rosuvastatin alkylether and a process for the preparation thereof |
US8063211B2 (en) | 2005-02-22 | 2011-11-22 | Teva Pharmaceutical Industries, Ltd. | Rosuvastatin and salts thereof free of rosuvastatin alkylether and a process for the preparation thereof |
US7868169B2 (en) | 2005-08-16 | 2011-01-11 | Teva Pharmaceutical Industries, Ltd. | Crystalline rosuvastatin intermediate |
JP2010503723A (en) * | 2006-09-18 | 2010-02-04 | リチュテル・ゲデオン・ヴェジェーセティ・ジャール・ニュイルヴァーノシャン・ミューコェデー・レースヴェーニュタールシャシャーグ | Rosuvastatin calcium-containing pharmaceutical composition |
US7994178B2 (en) | 2006-09-18 | 2011-08-09 | Teva Pharmaceutical Industries, Ltd. | Crystalline rosuvastatin calcium and compositions thereof for treatment of hyperlipidaemia |
Also Published As
Publication number | Publication date |
---|---|
AU2003269478A1 (en) | 2005-03-16 |
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