WO2003087039A1 - Nouveau cristal de nateglinide - Google Patents
Nouveau cristal de nateglinide Download PDFInfo
- Publication number
- WO2003087039A1 WO2003087039A1 PCT/JP2003/004686 JP0304686W WO03087039A1 WO 2003087039 A1 WO2003087039 A1 WO 2003087039A1 JP 0304686 W JP0304686 W JP 0304686W WO 03087039 A1 WO03087039 A1 WO 03087039A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- nateglinide
- solvent
- type
- crystal
- crystals
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C233/00—Carboxylic acid amides
- C07C233/57—Carboxylic acid amides having carbon atoms of carboxamide groups bound to carbon atoms of rings other than six-membered aromatic rings
- C07C233/63—Carboxylic acid amides having carbon atoms of carboxamide groups bound to carbon atoms of rings other than six-membered aromatic rings having the nitrogen atom of at least one of the carboxamide groups bound to a carbon atom of a hydrocarbon radical substituted by carboxyl groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C231/00—Preparation of carboxylic acid amides
- C07C231/22—Separation; Purification; Stabilisation; Use of additives
- C07C231/24—Separation; Purification
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2601/00—Systems containing only non-condensed rings
- C07C2601/12—Systems containing only non-condensed rings with a six-membered ring
- C07C2601/14—The ring being saturated
Definitions
- the present invention relates to a novel crystal of nateglinide (chemical name: N- (trans-14-isopropylcyclohexylcarbonyl) -D-phenylalanine), and a method for producing a nateglinide: B-type crystal using the same. More specifically, the present invention relates to an A-type crystal, an M-type crystal, a P-type crystal and a method for producing them, and a method for producing a B-type crystal using these crystals.
- Nateglidide represented by the following general formula 1 has a hypoglycemic effect and is a compound used as a diabetes drug in Japan, Europe and the United States, and is described in Japanese Patent Publication No. 4-152221. ing. According to this official gazette and Japanese Patent Publication No. 2580949, it is known that the compound has B-type and H-type crystal forms.
- the B-type crystal is obtained, for example, by crystallization from methanol-water and heating and drying, and its melting point has been confirmed to be 129-130 ° C.
- Patent No. 25080949 describes an H-type crystal of nateglinide, and its melting point is confirmed to be 136-142 ° C.
- An object of the present invention is to provide a useful new crystal form other than a B-type crystal and an H-type crystal of nateglinide.
- An object of the present invention is to provide an efficient method for producing the crystal form.
- the present inventors have conducted intensive studies on nateglinide crystals, and as a result, have found new and useful crystal forms (hereinafter referred to as A-type crystals, M-type crystals and P-type crystals) different from B-type crystals and H-type crystals.
- A-type crystals, M-type crystals and P-type crystals new and useful crystal forms
- the present inventors have found that, by treating these crystal forms under certain conditions, they can be converted to B-type crystals, and based on this finding, have completed the present invention.
- the present invention provides novel nateglinide A-type crystals, M-type crystals, and P-type crystals.
- the present invention also provides a method of dissolving nateglinide in a solvent having high solubility in nateglinide, and then adding a solvent having low solubility in nateglinide, or adding a solvent and nateglinide having high solubility in nateglinide.
- a method for producing an A-type crystal which comprises dissolving in a solvent, and cooling a nateglinide solution to precipitate a crystal, followed by filtration and drying at 30 ° C to 80 ° C. .
- the present invention also provides a gel substance obtained by dissolving nateglinide in a solvent having high solubility in nateglinide and then adding a solvent having low solubility in nateglinide to obtain a gel-like substance at 5 ° C or more and less than 30 ° C.
- the present invention provides a method for producing an M-type crystal, which comprises drying at a lower temperature.
- the present invention also relates to a method for dissolving nateglinide in a mixed solvent of a solvent having high solubility in nateglinide and a solvent having low solubility in nateglinide, and then dissolving the solvent in the nateglinide solution.
- a method for producing a P-type crystal comprising isolating a crystal obtained by adding the same or a different soluble solution.
- the present invention also provides a method for producing nateglinide B-type crystals, comprising treating at least one type of nateglinide A-type or P-type crystals at 60 ° C. or higher.
- the present invention also provides a method for producing a nateglinide B-type crystal, which comprises treating a nateglinide M crystal at 40 ° C. or more and less than 100 ° C., and 60% or more and 95% or less RH.
- Figure 1 shows the powder X-ray diffraction pattern of nategrid type A crystal.
- Figure 2 shows the powder X-ray diffraction pattern of the nategrid M-type crystal.
- Fig. 3 shows the powder X-ray diffraction pattern of nategrid P-type crystal.
- nateglinide for producing Form A, Form M and Form P can be obtained by a method described in Japanese Patent Publication No. 4-15221 or Japanese Patent No. 2508949.
- the crystal form may be any of the B type and the H type, and may be a solvate or amorphous powder, and is not particularly limited.
- Solvates include hydrates, methanol solvates, and ethanol solvates, and amorphous powders include, for example, those in which the solvate has lost its crystalline form by drying or the like.
- the A-type, M-type and P-type crystals of the present invention may be used as a raw material to obtain a desired crystal form.
- FIGS. 1-10 The powder X-ray diffraction patterns of the nateglinide A-type, M-type and P-type crystals of the present invention are shown in FIGS.
- the main peaks of the powder X-ray diffraction pattern of the nateglinide A, M and P type crystals of the present invention are as follows.
- A-type crystal 4.4 °, 5.2 °, 15.7 °, 18.5 ° (26>)
- M-type crystal 1 2 0, 1 2 6, 1 2 8, 1 3 7 (° C)
- the nateglide A-type, M-type and P-type crystals of the present invention can be produced as follows.
- the solvent having high solubility for nateglinide referred to below is a solvent which dissolves 1% by weight or more of nateglinide at 30 ° C.
- nateglinide for example, alcohols such as methanol, ethanol and isopropanol; Acetone, tetrahydrofuran, dioxane, etc .; and a solvent having low solubility in nateglinide is a solvent that dissolves less than 0.01% by weight of nateglinide at 30 ° C., for example, water, hexane, Getyl ether and the like.
- Type A crystals dissolve nateglinide in a solvent that has high solubility in nateglinide, and then add a solvent that has poor solubility in nateglinide to precipitate crystals, or After dissolving in a mixed solvent of a highly soluble solvent and a solvent that is poorly soluble in nateglide, the nateglinide solution is cooled to precipitate crystals, and after filtration, these are filtered at 30 ° C or more and 80 ° C or less. ⁇ can be obtained by drying in
- ethanol / water is preferable, and particularly, the ethanol content is low.
- an aqueous solution of 1 to 99% by weight.
- the solution may be heated at room temperature or heated.However, after dissolution, the temperature at which crystals are cooled must be less than 10 ° C, for example, cooling to below 5 ° C below ice. Good.
- the crystals separated by filtration may be dried at the above temperature, but preferably at 40 ° C to 60 ° C. At this time, drying may be performed under reduced pressure.
- M-type crystals dissolve nateglinide in a solvent that has high solubility in nateglinide, then add a solvent that has poor solubility in nateglinide, and dry the resulting gel-like substance at 5 ° C or more and less than 30 ° C.
- a solvent having low solubility to 100 parts by weight of a solvent having high solubility in nateglinide.
- the dissolution in a solvent having high solubility for nateglinide is preferably performed at 10 to 40 ° C.
- the obtained gel-like substance may be dried at the above-mentioned temperature, but is preferably at 20 ° C .; At this time, drying may be performed under reduced pressure.
- the P-type crystal After dissolving nateglinide in a mixed solvent of a solvent having high solubility in nateglinide and a solvent having low solubility in nateglinide, the P-type crystal is the same as the above-mentioned solvent having low solubility in nateglinide solution.
- the crystals obtained by adding a different hardly soluble solution can be obtained by filtration and drying at 5 ° C or more and less than 30 ° C.
- the mixed solvent a mixture of the above solvents can be used as in the case of the A-type crystal.
- the poorly soluble solvent to be added here is preferably such that the content of the poorly soluble solvent in the solvent after the addition is 20 to 80% by weight.
- ethanol water As a preferred example of a mixed solvent of a solvent having high solubility in nateglide and a solvent having low solubility in nateglide, ethanol water can be mentioned. In particular, it is preferable to use an aqueous solution having an ethanol content of 20 to 80% by weight. Hexane and water are preferred as the poorly soluble solvent added after dissolution.
- the obtained crystals may be dried at the above temperature, but preferably at 20 ° C; At this time, drying may be performed under reduced pressure.
- A-type M-type or P-type crystals can be produced effectively by adding a target seed crystal in the process.
- the drying time can be appropriately adjusted depending on the solvent content of the crystals obtained by filtration.
- -Nateglinide type B crystal can be produced by drying at least one of the type A or P type crystals obtained by the above method at 60 ° C or more. At this time, drying may be performed under reduced pressure.
- the drying temperature may be 60 ° C. or higher, preferably 70 ° C., and more preferably 80 ° C. or higher. Note that the upper limit of the drying temperature is preferably 100 ° C.
- the nateglide B-type crystal can also be produced by treating the M crystal with 40 ° C. or more and less than 100 ° C., 60% or more and 95% or less] RH.
- the concentration is preferably 0.1 to 20% by weight, more preferably 1 to 10% by weight, in any method for producing nateglinide.
- the precipitated crystals can be separated from the solvent by appropriately employing the most appropriate method depending on the scale such as centrifugation in addition to filtration from the solution.
- nateglinide H-type crystals were added to 95 g of a mixed solvent of ethanol / water (60/40 (v / v)) and dissolved by stirring at room temperature. This solution was cooled to 5 ° C at 5 ° C / hr. The crystals precipitated by filtration were filtered and dried under reduced pressure at 45 ° C. for 8 hours to obtain type A crystals.
- nateglinide H-type crystal To 0.3 g of nateglinide H-type crystal was added 1.5 ml of methylene chloride, and the mixture was stirred and dissolved at room temperature. A gel substance obtained by adding 6.2 ml of hexane thereto was dried under reduced pressure at room temperature for 12 hours to obtain an M-type crystal.
- the M-type nateglinide crystals were allowed to stand for 20 days under heating and humidification (60 ° C, 85% RH). The powder X-ray of the left crystal was measured and found to be consistent with the B-type.
- the A-, M-, or P-type nateglinide crystals of the present invention are industrially useful because they can be easily converted to useful B-type crystals.
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Description
Claims
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP03746474A EP1496048A4 (en) | 2002-04-15 | 2003-04-14 | NEW NATEGLINID CRYSTAL |
AU2003236243A AU2003236243A1 (en) | 2002-04-15 | 2003-04-14 | Novel nateglinide crystal |
JP2003583995A JP4538842B2 (ja) | 2002-04-15 | 2003-04-14 | 新規ナテグリニド結晶 |
US10/965,171 US7411089B2 (en) | 2002-04-15 | 2004-10-15 | Nateglinide crystals |
US12/098,118 US7586001B2 (en) | 2002-04-15 | 2008-04-04 | Nateglinide crystals |
US12/485,156 US7888531B2 (en) | 2002-04-15 | 2009-06-16 | Nateglinide crystals |
US12/969,013 US7977507B2 (en) | 2002-04-15 | 2010-12-15 | Nateglinide crystals |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002111963 | 2002-04-15 | ||
JP2002-111963 | 2002-04-15 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/965,171 Continuation US7411089B2 (en) | 2002-04-15 | 2004-10-15 | Nateglinide crystals |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2003087039A1 true WO2003087039A1 (fr) | 2003-10-23 |
Family
ID=29243300
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2003/004686 WO2003087039A1 (fr) | 2002-04-15 | 2003-04-14 | Nouveau cristal de nateglinide |
Country Status (4)
Country | Link |
---|---|
EP (3) | EP2261202A1 (ja) |
JP (2) | JP4538842B2 (ja) |
AU (1) | AU2003236243A1 (ja) |
WO (1) | WO2003087039A1 (ja) |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2004009532A1 (en) * | 2002-07-18 | 2004-01-29 | Teva Pharmaceutical Industries Ltd. | Polymorphic forms of nateglinide |
WO2004020396A1 (en) * | 2002-08-28 | 2004-03-11 | Dr. Reddy's Laboratories Limited | Crystalline form of nateglinide and process for preparation thereof |
US6861553B2 (en) | 2002-07-03 | 2005-03-01 | Teva Pharmaceuticals Industries Ltd. | Process for preparing nateglinide and intermediates thereof |
JP2005522503A (ja) * | 2002-04-15 | 2005-07-28 | ノバルティス アクチエンゲゼルシャフト | N−(トランス−4−イソプロピルシクロヘキシルカルボニル)−d−フェニルアラニンの結晶形 |
WO2005110972A1 (en) * | 2004-05-07 | 2005-11-24 | Teva Pharmaceutical Industries Ltd. | Polymorphic forms of nateglinide |
US7148376B2 (en) | 2002-07-18 | 2006-12-12 | Teva Pharmaceutical Industries Ltd. | Polymorphic forms of nateglinide |
US7358390B2 (en) | 2002-07-18 | 2008-04-15 | Teva Pharmaceutical Industries Ltd. | Polymorphic forms of nateglinide |
US7420084B2 (en) | 2002-07-18 | 2008-09-02 | Teva Pharmaceutical Industries Ltd. | Polymorphic forms of nateglinide |
US7534913B2 (en) | 2002-07-18 | 2009-05-19 | Teva Pharmaceutica Industries Ltd. | Crystalline form of nateglinide |
CN109369443A (zh) * | 2018-11-05 | 2019-02-22 | 扬子江药业集团江苏海慈生物药业有限公司 | 一种新的那格列奈h晶型的制备方法 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007135533A1 (en) * | 2006-05-23 | 2007-11-29 | Aurobindo Pharma Limited | Process for preparing nateglinide b-type crystals |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0415221A (ja) | 1990-05-08 | 1992-01-20 | Daicel Chem Ind Ltd | ポリカーボネートの製造法 |
JPH05208943A (ja) * | 1991-07-30 | 1993-08-20 | Ajinomoto Co Inc | N−(トランス−4−イソプロピルシクロヘキシルカルボニル)−d−フェニルアラニンの結晶及びその製造法 |
WO2002034713A1 (fr) * | 2000-10-24 | 2002-05-02 | Ajinomoto Co.,Inc. | Procede de production de cristaux de nateglinide a forme b |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6354321A (ja) * | 1985-03-27 | 1988-03-08 | Ajinomoto Co Inc | 血糖降下剤 |
MXPA03003484A (es) * | 2000-10-18 | 2003-07-14 | Ajinomoto Kk | Procedimiento para producir cristales de nateglinida. |
-
2003
- 2003-04-14 AU AU2003236243A patent/AU2003236243A1/en not_active Abandoned
- 2003-04-14 EP EP10010716A patent/EP2261202A1/en not_active Withdrawn
- 2003-04-14 JP JP2003583995A patent/JP4538842B2/ja not_active Expired - Fee Related
- 2003-04-14 WO PCT/JP2003/004686 patent/WO2003087039A1/ja active Application Filing
- 2003-04-14 EP EP10010715A patent/EP2264004A1/en not_active Withdrawn
- 2003-04-14 EP EP03746474A patent/EP1496048A4/en not_active Withdrawn
-
2010
- 2010-01-25 JP JP2010013135A patent/JP5305248B2/ja not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0415221A (ja) | 1990-05-08 | 1992-01-20 | Daicel Chem Ind Ltd | ポリカーボネートの製造法 |
JPH05208943A (ja) * | 1991-07-30 | 1993-08-20 | Ajinomoto Co Inc | N−(トランス−4−イソプロピルシクロヘキシルカルボニル)−d−フェニルアラニンの結晶及びその製造法 |
JP2508949B2 (ja) | 1991-07-30 | 1996-06-19 | 味の素株式会社 | N−(トランス−4−イソプロピルシクロヘキシルカルボニル)−d−フェニルアラニンの結晶及びその製造法 |
WO2002034713A1 (fr) * | 2000-10-24 | 2002-05-02 | Ajinomoto Co.,Inc. | Procede de production de cristaux de nateglinide a forme b |
Non-Patent Citations (1)
Title |
---|
See also references of EP1496048A4 * |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005522503A (ja) * | 2002-04-15 | 2005-07-28 | ノバルティス アクチエンゲゼルシャフト | N−(トランス−4−イソプロピルシクロヘキシルカルボニル)−d−フェニルアラニンの結晶形 |
US6861553B2 (en) | 2002-07-03 | 2005-03-01 | Teva Pharmaceuticals Industries Ltd. | Process for preparing nateglinide and intermediates thereof |
WO2004009532A1 (en) * | 2002-07-18 | 2004-01-29 | Teva Pharmaceutical Industries Ltd. | Polymorphic forms of nateglinide |
US7148376B2 (en) | 2002-07-18 | 2006-12-12 | Teva Pharmaceutical Industries Ltd. | Polymorphic forms of nateglinide |
US7358390B2 (en) | 2002-07-18 | 2008-04-15 | Teva Pharmaceutical Industries Ltd. | Polymorphic forms of nateglinide |
US7420084B2 (en) | 2002-07-18 | 2008-09-02 | Teva Pharmaceutical Industries Ltd. | Polymorphic forms of nateglinide |
US7534913B2 (en) | 2002-07-18 | 2009-05-19 | Teva Pharmaceutica Industries Ltd. | Crystalline form of nateglinide |
WO2004020396A1 (en) * | 2002-08-28 | 2004-03-11 | Dr. Reddy's Laboratories Limited | Crystalline form of nateglinide and process for preparation thereof |
WO2005110972A1 (en) * | 2004-05-07 | 2005-11-24 | Teva Pharmaceutical Industries Ltd. | Polymorphic forms of nateglinide |
CN109369443A (zh) * | 2018-11-05 | 2019-02-22 | 扬子江药业集团江苏海慈生物药业有限公司 | 一种新的那格列奈h晶型的制备方法 |
Also Published As
Publication number | Publication date |
---|---|
JP4538842B2 (ja) | 2010-09-08 |
EP1496048A1 (en) | 2005-01-12 |
EP2264004A1 (en) | 2010-12-22 |
JP5305248B2 (ja) | 2013-10-02 |
EP2261202A1 (en) | 2010-12-15 |
EP1496048A4 (en) | 2006-08-02 |
JP2010090174A (ja) | 2010-04-22 |
JPWO2003087039A1 (ja) | 2005-08-18 |
AU2003236243A1 (en) | 2003-10-27 |
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