WO2016159327A1 - 3,5-二置換ベンゼンアルキニル化合物の結晶 - Google Patents
3,5-二置換ベンゼンアルキニル化合物の結晶 Download PDFInfo
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- WO2016159327A1 WO2016159327A1 PCT/JP2016/060844 JP2016060844W WO2016159327A1 WO 2016159327 A1 WO2016159327 A1 WO 2016159327A1 JP 2016060844 W JP2016060844 W JP 2016060844W WO 2016159327 A1 WO2016159327 A1 WO 2016159327A1
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- Prior art keywords
- crystal
- compound
- item
- pyrazolo
- ethynyl
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- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/0012—Galenical forms characterised by the site of application
- A61K9/0053—Mouth and digestive tract, i.e. intraoral and peroral administration
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P35/00—Antineoplastic agents
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D487/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00
- C07D487/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00 in which the condensed system contains two hetero rings
- C07D487/04—Ortho-condensed systems
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- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
- C30B29/54—Organic compounds
- C30B29/58—Macromolecular compounds
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
- C07B2200/00—Indexing scheme relating to specific properties of organic compounds
- C07B2200/13—Crystalline forms, e.g. polymorphs
Definitions
- a pharmaceutical composition for oral administration requires not only the stability of an active ingredient but also an excellent absorbability during oral administration and a method capable of mass production.
- Crystals may have crystal polymorphs that have the same molecular arrangement but different molecular arrangements. In this case, it is known that the peaks obtained by powder X-ray diffraction measurement (XRD measurement) differ. ing. In addition, it is known that each crystal polymorph has different solubility, oral absorption, stability, etc., and it is required to find an optimal crystal in developing a pharmaceutical from various viewpoints.
- XRD measurement powder X-ray diffraction measurement
- Patent Documents 1, 2 and 3 describe (S) -1- () as a compound having excellent FGFR inhibitory activity and exhibiting antitumor activity.
- 3- 4-Amino-3-((3,5-dimethoxyphenyl) ethynyl) -1H-pyrazolo [3,4-d] pyrimidin-1-yl) -1-pyrrolidinyl) -2-propene-1 -On (hereinafter also referred to as “Compound 1”) is described.
- Patent Documents 1, 2 and 3 have no description or suggestion about the crystal of Compound 1, the stability of the crystal, oral absorbability, and crystallization method.
- An object of the present invention is to provide a crystal of Compound 1 described in Patent Document 1 useful as an antitumor agent, which is stable and excellent in oral absorbability and suitable for mass production, and a method for crystallizing the crystal.
- compound 1 has three crystal forms (crystal I, crystal II, crystal III).
- Crystal II is found to have high stability, excellent oral absorption, high crystallinity, high chemical purity, suitable for mass production, and has a uniform particle size distribution.
- the present invention has been completed. It was also found that crystal II can be obtained by adding a specific solvent to compound 1 and crystallizing it. Furthermore, it has been found that the crystal I of the compound 1 has high stability and is excellent in oral absorbability.
- the present invention provides the following items: Item 1.
- the diffraction angle (2 ⁇ ⁇ 0.2 °) is at least three or more selected from 9.5 °, 14.3 °, 16.7 °, 19.1 °, 20.8 °, 21.9 °, and 25.2 °
- S) -1- (3- (4-Amino-3-((3,5-dimethoxyphenyl) ethynyl) -1H-pyrazolo [3,4-d] pyrimidine-1 is a crystal showing a characteristic peak -Yl) -1-pyrrolidinyl) -2-propen-1-one crystals: Item 2.
- the diffraction angle (2 ⁇ ⁇ 0.2 °) is at least 5 or more selected from 9.5 °, 14.3 °, 16.7 °, 19.1 °, 20.8 °, 21.9 °, and 25.2 °
- the crystal according to Item 1 which is a crystal exhibiting a characteristic peak: Item 3.
- the diffraction angle (2 ⁇ ⁇ 0.2 °) is a crystal having characteristic peaks of 9.5 °, 14.3 °, 16.7 °, 19.1 °, 20.8 °, 21.9 °, and 25.2 °.
- the crystal according to Item 1 or 2 Item 4.
- a pharmaceutical composition comprising the crystal according to any one of Items 1 to 5: Item 7.
- a pharmaceutical composition for oral administration comprising the crystal according to any one of Items 1 to 5: Item 8.
- the diffraction angle (2 ⁇ ⁇ 0.2 °) is selected from 13.5 °, 17.9 °, 19.5 °, 20.6 °, 22.0 °, 22.6 °, 23.3 °, 23.7 °, and 24.2 °
- S) -1- (3- (4-amino-3-((3,5-dimethoxyphenyl) ethynyl) -1H-pyrazolo [3,4]) is a crystal having at least seven characteristic peaks.
- -D] Pyrimidin-1-yl) -1-pyrrolidinyl) -2-propen-1-one crystals: Item 9.
- the crystal according to Item 8 which is a crystal exhibiting a unique peak Item 10.
- a pharmaceutical composition comprising the crystal according to any one of Items 8 to 10: Item 12.
- a pharmaceutical composition for oral administration comprising the crystal according to any one of Items 8 to 10:
- Step (1) (S) -1- (3- (4-Amino-3-((3,5-dimethoxyphenyl) ethynyl) -1H-pyrazolo [3,4-d] pyrimidin-1-yl ) -1-pyrrolidinyl) -2-propen-1-one with water, C1-4 alcohol, C3-5 aliphatic carboxylic acid ester, C3-6 ketone, C2-5 aprotic polar organic solvent, and A step of adding to a solvent selected from the group consisting of these mixed solvents, and step (2) (S) -1- (3- (4-amino-3-((3,5-dimethoxy) in step (1) Phenyl) ethynyl) -1H-pyrazolo [3,4-d] pyrimidin-1-yl) -1-pyrrolidinyl) -2-propen-1-one is stirred and (S) -1 -(3- (4-Amino-3-((3,5-dimethoxy
- the diffraction angle (2 ⁇ ⁇ 0.2 °) is at least three or more selected from 9.5 °, 14.3 °, 16.7 °, 19.1 °, 20.8 °, 21.9 °, and 25.2 ° Item 14.
- the crystal according to Item 13 which exhibits a characteristic peak: Item 15.
- the crystal according to any one of Items 13 to 15, wherein an endothermic peak (peak top value) is about 166 ° C. in differential scanning calorimetry: Item 17.
- Step (1) (S) -1- (3- (4-Amino-3-((3,5-dimethoxyphenyl) ethynyl) -1H-pyrazolo [3,4-d] pyrimidin-1-yl ) -1-pyrrolidinyl) -2-propen-1-one with water, C1-4 alcohol, C3-5 aliphatic carboxylic acid ester, C3-6 ketone, C2-5 aprotic polar organic solvent, and Adding to a solvent selected from the group consisting of these mixed solvents, and (S) -1- (3- (4-amino-3-((3,5-dimethoxy) in step (2) and step (1) Phenyl) ethynyl) -1H-pyrazolo [3,4-d] pyrimidin-1-yl) -1-pyrrolidinyl) -2-propen-1-one is stirred and (S) -1 -(3- (4-Amino-3-((3,5-dimethoxyphen
- Step (1) (S) -1- (3- (4-Amino-3-((3,5-dimethoxyphenyl) ethynyl) -1H-pyrazolo [3,4-d] pyrimidin-1-yl ) -1-pyrrolidinyl) -2-propen-1-one with water, C1-4 alcohol, C3-5 aliphatic carboxylic acid ester, C3-6 ketone, C2-5 aprotic polar organic solvent, and Adding to a solvent selected from the group consisting of these mixed solvents, and (S) -1- (3- (4-amino-3-((3,5-dimethoxy) in step (2) and step (1) Phenyl) ethynyl) -1H-pyrazolo [3,4-d] pyrimidin-1-yl) -1-pyrrolidinyl) -2-propen-1-one is stirred and (S) -1 -(3- (4-Amino-3-((3,5-dimethoxyphen
- Step (1) (S) -1- (3- (4-Amino-3-((3,5-dimethoxyphenyl) ethynyl) -1H-pyrazolo [3,4-d] pyrimidin-1-yl ) -1-pyrrolidinyl) -2-propen-1-one with C7-10 hydrocarbon, C2-8 ether, C6-10 aliphatic carboxylic acid ester, or C7-10 hydrocarbon-C3-5 aliphatic (S) -1- (3- (4-amino-3-((3,5-dimethoxyphenyl) ethynyl) in the step of adding to a solvent containing a mixed solvent of carboxylic acid ester and in step (2) step (1) ) -1H-pyrazolo [3,4-d] pyrimidin-1-yl) -1-pyrrolidinyl) -2-propen-1-one was added to the solvent, and (S) -1- (3 -(4-Amino-3-((3,
- the diffraction angle (2 ⁇ ⁇ 0.2 °) is selected from 13.5 °, 17.9 °, 19.5 °, 20.6 °, 22.0 °, 22.6 °, 23.3 °, 23.7 °, and 24.2 °
- the crystal according to Item 25 which exhibits at least 7 or more characteristic peaks: Item 27.
- the crystal according to Item 25 or 26, wherein the endothermic peak (peak top value) is about 169 ° C. in differential scanning calorimetry:
- Step (1) (S) -1- (3- (4-Amino-3-((3,5-dimethoxyphenyl) ethynyl) -1H-pyrazolo [3,4-d] pyrimidine-1- Yl) -1-pyrrolidinyl) -2-propen-1-one with C5-10 hydrocarbon, C2-8 ether, C6-10 aliphatic carboxylic acid ester, or C5-10 hydrocarbon-C3-5 fat Adding to a solvent containing a mixed solvent of a group carboxylic acid ester, and step (2): (S) -1- (3- (4-amino-3-((3,5-dimethoxyphenyl) in step (1) ) Ethynyl) -1H-pyrazolo [3,4-d] pyrimidin-1-yl) -1-pyrrolidinyl) -2-propen-1-one was stirred and the (S) -1- (3- (4-Amino-3-((3,5-)
- Compound II Crystal II has high stability, excellent oral absorbability, high crystallinity, high chemical purity, suitable for mass production, homogeneous particle size Since it has a distribution, it can be used as an oral drug.
- the crystal I of Compound 1 is a crystal having high stability, excellent oral absorbability, high crystallinity, and high chemical purity, and thus can be used as an oral medicine.
- 1 shows a powder X-ray diffraction spectrum of Compound II Crystal II (the vertical axis represents intensity (cps) and the horizontal axis represents diffraction angle (2 ⁇ ⁇ 0.2 °)).
- 1 shows a powder X-ray diffraction spectrum of Crystal I of Compound 1 (the vertical axis represents intensity (cps) and the horizontal axis represents a diffraction angle (2 ⁇ ⁇ 0.2 °)).
- 1 shows a powder X-ray diffraction spectrum of Compound III Crystal III (vertical axis represents intensity (cps), horizontal axis represents diffraction angle (2 ⁇ ⁇ 0.2 °)).
- 2 shows a differential scanning calorimetry (DSC) curve of Compound II Crystal II.
- 2 shows a differential scanning calorimetry (DSC) curve of Compound I Crystal I.
- 2 shows a differential scanning calorimetry (DSC) curve of Compound III Crystal III.
- Compound 1 in the present invention can be synthesized based on the production method described in Patent Document 1.
- Crystal refers to a solid in which atoms or molecules are arranged in a regular repeating structure, and is different from an amorphous (amorphous) solid having no repeating structure. Crystalline or amorphous solid by methods such as powder X-ray diffraction measurement (XRD measurement), differential scanning calorimetry (DSC measurement), thermogravimetry-differential thermal analysis (TG-DTA), infrared spectroscopy (IR) Can be examined.
- XRD measurement powder X-ray diffraction measurement
- DSC measurement differential scanning calorimetry
- TG-DTA thermogravimetry-differential thermal analysis
- IR infrared spectroscopy
- Compound 1 has three crystal forms (Crystal I, Crystal II, and Crystal III).
- Crystal III can be obtained by using a mixed solvent of ethyl acetate and hexane.
- DSC measurement differential scanning calorimetry
- Crystal III shows an endothermic peak or exothermic peak at around 145 ° C, so it is less stable than Crystal I or Crystal II, and crystallized during the manufacturing process, formulation, etc.
- the shape may change. Therefore, it is not suitable for pharmaceutical crystals that require stability.
- the crystal I was stable as a crystal, and the possibility that the crystal form would change during formulation was very low. It was found to be chemically stable. Furthermore, the oral absorbability is very good, and it is suitable for pharmaceutical crystals that require stable and good oral absorbability.
- the crystal II is stable as a crystal, and is unlikely to change its crystal form during formulation, etc. Found to be stable.
- the crystal II when precipitated in a solvent, it does not adhere firmly to the reaction vessel, stirring blades, etc., and is suitable for mass production.
- it is suitable for efficiently obtaining Compound 1 having an extremely high chemical purity. Therefore, it is suitable for crystals of pharmaceuticals that are stable and highly pure and require stable supply in large quantities.
- Crystal I or crystal II only needs to contain crystal I or crystal II of compound 1, and may be a single crystal of crystal I or crystal II or a polymorphic mixture containing other crystals. . Specifically, 90% by weight or more of the crystal is preferably crystal I or crystal II, more preferably 95% by weight or more is crystal I or crystal II, and 99% by weight or more is crystal I or crystal II. It is particularly preferred.
- the chemical purity is the purity when measured by high performance liquid chromatography, and when described as the chemical purity of compound 1, it means the purity when compound 1 is measured by high performance liquid chromatography.
- the wavelength of the detector used for purity measurement can be set as appropriate.
- the chemical purity of the crystal of Compound 1 is preferably 95.0% or more, more preferably 98.0% or more, and particularly preferably 99.0% or more.
- the crystal I or crystal II of the present invention includes crystal habits having different external shapes due to differences in crystal plane growth. Therefore, even if the peak pattern of the diffraction angle 2 ⁇ obtained by XRD measurement of the crystal I or the crystal II is the same, those having different peak relative intensities are included.
- the relative intensity is a relative value of each peak area when the peak of the diffraction angle 2 ⁇ in the powder X-ray diffraction spectrum having the maximum peak area is taken as 100.
- the error of the peak at the diffraction angle 2 ⁇ in the powder X-ray diffraction spectrum of the present invention is about ⁇ 0.2 °. This is an error caused by the instrument used for measurement, sample preparation, data analysis method, and the like. Therefore, the XRD measurement value of the crystal in the present invention includes an error ⁇ 0.2 ° of the obtained diffraction angle 2 ⁇ .
- the measured endothermic peak may vary depending on the temperature rise rate per minute, the weight of the sample, the purity of the sample, and the like.
- the term “near” means ⁇ 5.0 ° C.
- Crystal II of the present invention can be obtained by adding compound 1 to a specific solvent and stirring to crystallize. Therefore, the present invention Step (1) Step of adding Compound 1 to solvent, and Step (2) A step of crystallizing Compound 1 by stirring the solvent to which Compound 1 has been added in Step (1) to crystallize Compound 1 Also provide.
- the method is Step (1) comprising adding compound 1 to the solvent, and step (2) stirring the solvent to which compound 1 has been added in step (1) to crystallize compound 1 to obtain crystal II, It can also be called a method for suppressing the scaling of the crystal of Compound 1.
- the solvent that can be used for crystallization of the crystal I of the present invention is C7-10 hydrocarbon, C2-8 ether, C6-10 aliphatic carboxylic acid ester, or C7-10 hydrocarbon-C3-5 aliphatic carboxylic acid.
- the mixed solvent of an acid ester is mentioned.
- C7-10 hydrocarbon is a hydrocarbon having 7-10 carbon atoms, and includes heptane, decane, etc., preferably heptane.
- C2-8 ether is an ether having 2 to 8 carbon atoms, and examples thereof include diethyl ether, tert-butyl methyl ether, cyclopentyl methyl ether, and tetrahydrofuran, and tert-butyl methyl ether is preferred.
- the C6-10 aliphatic carboxylic acid ester is an aliphatic carboxylic acid ester having 6 to 10 carbon atoms as a whole, and examples thereof include butyl acetate, pentyl acetate, hexyl acetate, octyl acetate, and butyl propionate. Preferably, it is butyl acetate.
- C3-5 aliphatic carboxylic acid ester is an aliphatic carboxylic acid ester having 3 to 5 carbon atoms in total, such as methyl acetate, ethyl acetate, propyl acetate, isopropyl acetate, methyl propionate, and ethyl propionate. Can be mentioned. Preferably, it is ethyl acetate.
- Solvents that can be used for crystallization of Crystal I of the present invention include C7-10 hydrocarbons, C2-8 ethers, C6-10 aliphatic carboxylic acid esters, or C7-10 hydrocarbon-C3-5 aliphatic carboxylic acid esters, And a solvent selected from the group consisting of these mixed solvents, preferably a heptane, tert-butyl methyl ether, butyl acetate, or a mixed solvent of heptane-ethyl acetate.
- Solvents that can be used to obtain the crystal II of the present invention are water, C1-4 alcohol, C3-5 aliphatic carboxylic acid ester, C3-6 ketone, C2-5 aprotic polar organic solvent, and these Examples thereof include a solvent selected from the group consisting of mixed solvents.
- C1-4 alcohol is an alcohol having 1 to 4 carbon atoms such as methanol, ethanol, n-propanol, isopropanol, n-butanol, t-butanol, and preferably ethanol or isopropanol.
- the C3-5 aliphatic carboxylic acid ester is the above-mentioned aliphatic carboxylic acid ester, and preferably ethyl acetate.
- C3-6 ketone is a ketone having 3 to 6 carbon atoms in total, and includes acetone, methyl ethyl ketone, methyl isobutyl ketone, cyclohexanone and the like. Acetone or methyl ethyl ketone is preferred.
- Examples of the C2-5 aprotic polar organic solvent include acetonitrile, N-methyl-2-pyrrolidone, N, N-dimethylformamide, N, N-dimethylacetamide, and dimethyl sulfoxide.
- Solvents that can be used for crystallization of crystal II of the present invention are water, C1-4 alcohol, C3-5 aliphatic carboxylic acid ester, C3-6 ketone, C2-5 aprotic polar organic solvent, and a mixed solvent thereof. And a solvent selected from the group consisting of water, C1-4 alcohol, C3-5 aliphatic carboxylic acid ester, C3-6 ketone, and mixed solvents thereof. . More preferred is a mixed solvent of ethanol, isopropanol, acetone, methyl ethyl ketone, ethyl acetate, and water-ethanol. Particularly preferred is a mixed solvent of water and ethanol.
- the mixing ratio of water and C1-4 alcohol is usually 0.01 to 100 parts by weight, preferably 0.1 to 1 part by weight of C1-4 alcohol. It can be appropriately set in the range of ⁇ 50 parts by weight, more preferably 1-30 parts by weight.
- the amount of the solvent that can be added to the crystal I or crystal II of the present invention is 1 to 100 (volume / weight) times the mass of the compound 1 from the viewpoint of crystal yield, and 2 to 50 (volume / weight). ) Times, preferably 4 to 30 (volume / weight) times.
- the temperature for crystallization of the crystal I or crystal II of the present invention is appropriately set depending on the solvent used, and is set between 0 ° C. and the boiling point of the solvent. Further, the temperature in crystallization does not need to be constant, and it can be heated or cooled between 0 ° C. and the boiling point of the solvent.
- heating refers to maintaining the temperature of the solvent at 40 ° C. or higher
- cooling refers to maintaining the temperature of the solvent below 15 ° C.
- Stirring in the crystallization of the crystal I or crystal II of the present invention is appropriately performed using a stirrer, a stirring blade, a magnetic stirrer or the like depending on the amount of solvent, the size of the reaction kettle, and the like.
- the stirring speed is usually 1 to 600 rpm, preferably 10 to 300 rpm.
- the stirring time in the crystallization of the crystal I or crystal II of the present invention is longer than a predetermined length so that the crystallization is sufficiently advanced and a crystal can be obtained in a high yield, and the decomposition of the crystal that causes a decrease in the yield is performed. It is preferable that the time is equal to or shorter than a predetermined time so as not to occur so much. Examples of the stirring time include 1 minute to 120 hours, preferably 1 to 72 hours, and more preferably 3 to 48 hours.
- Scaling suppression in crystallization of crystal II of the present invention means that crystals remaining in the reaction vessel are suppressed to less than 20% of the theoretical yield, preferably less than 10%, more preferably 5% of the theoretical yield. Less than%.
- the crystal I or crystal II of the present invention precipitated in the solvent can be isolated and purified by known separation and purification means such as filtration, washing with an organic solvent, and drying under reduced pressure.
- the organic solvent used for the washing include the above-mentioned solvents, and preferably a mixed solvent of ethanol, isopropanol, acetone, methyl ethyl ketone, ethyl acetate, and water-ethanol.
- the pressure in the vacuum drying is 0.1 atm (atm) or less, preferably 0.05 atm or less.
- the temperature in the vacuum drying is 0 to 200 ° C., preferably 25 to 100 ° C.
- crystal I or crystal II may be added as a seed crystal.
- the seed crystal to be added is 0.1 to 10% by weight, preferably 1 to 3% by weight, based on the theoretical yield of Compound 1 in crystallization.
- the crystal I of Compound 1 obtained as described above has a diffraction angle (2 ⁇ ⁇ 0.2 °) of 13.5 °, 17.9 °, 19.5 °, 20.6 °, 22.0 °, 22.6 ° in the powder X-ray diffraction spectrum. At least 7 peaks selected from 23.3 °, 23.7 °, and 24.2 ° are shown. More preferably, the crystal I of Compound 1 has a diffraction angle (2 ⁇ ⁇ 0.2 °) of 13.5 °, 17.9 °, 19.5 °, 20.6 °, 22.0 °, 22.6 ° in the powder X-ray diffraction spectrum as shown in FIG.
- the crystal I of Compound 1 has an endothermic peak (for example, around 164 ° C. to 174 ° C., more preferably around 169 ° C. as a result of differential scanning calorimetry (DSC measurement) shown in FIG. Peak top value).
- DSC measurement differential scanning calorimetry
- the crystal I of Compound 1 obtained as described above has a diffraction angle (2 ⁇ ⁇ 0.2 °) of 13.5 °, 17.9 °, 19.5 °, 20.6 °, 22.0 °, 22.6 ° in the powder X-ray diffraction spectrum. It has at least 7 or more peaks selected from °, 23.3 °, 23.7 °, and 24.2 °, and an endothermic peak (peak top value) around 164 to 174 ° C in differential scanning calorimetry (DSC measurement) Have.
- the crystal I of Compound 1 has a diffraction angle (2 ⁇ ⁇ 0.2 °) of 13.5 °, 17.9 °, 19.5 °, 20.6 °, 22.0 °, 22.6 ° in the powder X-ray diffraction spectrum as shown in FIG. It has characteristic peaks of °, 23.3 °, 23.7 °, and 24.2 °, and has an endothermic peak (peak top value) near 169 ° C in differential scanning calorimetry (DSC measurement) IV.
- the crystal II of Compound 1 obtained as described above has a diffraction angle (2 ⁇ ⁇ 0.2 °) of 9.5 °, 14.3 °, 16.7 °, 19.1 °, 20.8 °, 21.9 in the powder X-ray diffraction spectrum. It shows at least 3 or more peaks selected from ° and 25.2 °. More preferably, Compound II Crystal II has a diffraction angle (2 ⁇ ⁇ 0.2 °) of 9.5 °, 14.3 °, 16.7 °, 19.1 °, 20.8 °, 21.9 °, and 25.2 ° in the powder X-ray diffraction spectrum. Show at least 5 or more peaks selected.
- the crystal II of Compound 1 has a diffraction angle (2 ⁇ ⁇ 0.2 °) of 9.5 °, 14.3 °, 16.7 °, 19.1 °, 20.8 °, 21.9 in the powder X-ray diffraction spectrum as shown in FIG. It is a crystal showing characteristic peaks at ° and 25.2 °.
- the crystal II of Compound 1 has an endothermic peak (eg, near 161 to 171 ° C., more preferably around 166 ° C. as a result of differential scanning calorimetry (DSC measurement) shown in FIG. Peak top value).
- the crystal II of the present invention has a diffraction angle (2 ⁇ ⁇ 0.2 °) selected from 9.5 °, 14.3 °, 16.7 °, 19.1 °, 20.8 °, 21.9 °, and 25.2 ° in the powder X-ray diffraction spectrum. And has an endothermic peak (peak top value) near 161 to 171 ° C. in differential scanning calorimetry (DSC measurement).
- the diffraction angle (2 ⁇ ⁇ 0.2 °) is at least 5 or more selected from 9.5 °, 14.3 °, 16.7 °, 19.1 °, 20.8 °, 21.9 °, and 25.2 ° And an endothermic peak (peak top value) around 166 ° C. in differential scanning calorimetry (DSC measurement). More preferably, in the powder X-ray diffraction spectrum, the diffraction angle (2 ⁇ ⁇ 0.2 °) has seven peaks selected from 9.5 °, 14.3 °, 16.7 °, 19.1 °, 20.8 °, 21.9 °, and 25.2 °. And has an endothermic peak (peak top value) near 166 ° C. in differential scanning calorimetry (DSC measurement).
- Crystal I or Crystal II of the present invention is useful as an antitumor agent because Compound 1 has excellent FGFR inhibitory activity.
- the target cancer is not particularly limited, but head and neck cancer, gastrointestinal cancer (esophageal cancer, stomach cancer, gastrointestinal stromal tumor, duodenal cancer, liver cancer, biliary tract cancer (gallbladder cancer, bile duct cancer, etc.), pancreatic cancer, small intestine Cancer, colorectal cancer (colorectal cancer, colon cancer, rectal cancer, etc.), lung cancer, breast cancer, ovarian cancer, uterine cancer (cervical cancer, uterine body cancer, etc.), kidney cancer, bladder cancer, prostate cancer, urinary tract Skin cancer, bone and soft tissue sarcoma, blood cancer (B-cell lymphoma, chronic lymphocytic leukemia, peripheral T-cell lymphoma, myelodysplastic syndrome, acute myeloid leukemia, acute lymphocytic leukemia, etc.), multiple myeloma
- the crystal I or crystal II of the present invention can be blended with a pharmaceutical carrier as necessary, and various administration forms can be adopted depending on the purpose of prevention or treatment. Oral preparations, injections, suppositories, ointments, patches and the like may be used, and oral preparations are preferred. Each of these dosage forms can be produced by a conventional formulation method known to those skilled in the art.
- the pharmaceutical carrier various organic or inorganic carrier substances commonly used as pharmaceutical materials are used, and excipients, binders, disintegrants, lubricants, coloring agents in solid preparations, solvents in liquid preparations, dissolution aids, It is blended as a suspending agent, isotonic agent, buffer, soothing agent and the like.
- formulation additives such as preservatives, antioxidants, colorants, sweeteners, stabilizers and the like can be used as necessary.
- the crystal I or crystal II of the present invention is mixed with an excipient, and if necessary, an excipient, a binder, a disintegrant, a lubricant, a coloring agent, a corrigent-flavoring agent, etc.
- an excipient e.g., a binder, a disintegrant, a lubricant, a coloring agent, a corrigent-flavoring agent, etc.
- tablets, coated tablets, granules, powders, capsules and the like can be produced by conventional methods.
- a pH adjuster, a buffer, a stabilizer, an isotonic agent, a local anesthetic, etc. are added to Crystal I or Crystal II of the present invention, and subcutaneous, intramuscular and intravenous are added by a conventional method. An internal injection can be produced.
- the amount of the crystal I or crystal II of the present invention to be blended in each of the above dosage unit forms is not constant depending on the symptoms of the patient to which this is to be applied, or the dosage form thereof, but is generally per dosage unit form. Desirably, 0.05 to 1000 mg for oral preparations, 0.01 to 500 mg for injections, and 1 to 1000 mg for suppositories.
- the daily dose of the drug having the above dosage form varies depending on the patient's symptoms, body weight, age, sex, etc., and cannot be determined unconditionally, but it is usually an adult (weight 50 kg) as Crystal I or Crystal II of the present invention.
- Powder X-ray diffraction measurement Powder X-ray diffraction was measured according to the following test conditions after lightly grinding an appropriate amount of the test substance with an agate mortar as necessary: Device: Rigaku RINT-ULTIMA + 2100 Target: Cu X-ray output setting: 40 mA, 40 kV Scanning range: 5.0 to 40.0 ° Step size: 0.010 ° Scanning speed: 5.00 °C / min. Divergent slit: 1/2 ° Scattering slit: 3.00mm Receiving slit: 13.00mm The handling of the device including data processing was in accordance with the method and procedure indicated by each device.
- DSC measurement Differential scanning calorimetry (DSC measurement) DSC measurements were measured according to the following test conditions: Equipment: TA instrument Q1000 Sample: Approximately 1mg Sample container: Aluminum Heating rate: 10 ° C / min Atmospheric gas: Nitrogen Nitrogen gas flow rate: 50ml / min. The handling of the device including data processing was in accordance with the method and procedure indicated by each device.
- Apparatus Waters ACQUITY SQD (quadrupole type) Sample: 0.1 mg / mL acetonitrile solution Mobile phase A: 0.1% formic acid aqueous solution Mobile phase B: 0.1% formic acid-acetonitrile Column: YMC-Triart C18, 2.0 ⁇ 50 mm, 1.9 ⁇ m manufactured by YMC Measurement wavelength: 254nm The handling of the device including data processing was in accordance with the method and procedure indicated by each device.
- Example 1 (S) -1- (3- (4-Amino-3-((3,5-dimethoxyphenyl) ethynyl) -1H-pyrazolo [3,4-d] pyrimidin-1-yl) -1- Acquisition of Crystal II of Pyrrolidinyl) -2-propen-1-one
- Compound 1 (1.00 g) obtained by the method described in Patent Document 1 was charged with ethanol (9 mL) and water (1 mL) at 75 ° C. For 5 minutes. Thereafter, the temperature was lowered to room temperature, and the mixture was stirred for 26 hours, and then the precipitate was collected by filtration to obtain Compound II Crystal II (771 mg, 77% yield).
- the crystal II has a diffraction angle (2 ⁇ ⁇ 0.2 °) of 9.5 °, 14.3 °, 16.7 °, 19.1 °, 20.8 °, 21.9 °, and 25.2 ° in the powder X-ray diffraction spectrum.
- the characteristic peak was shown.
- Crystal II showed an endothermic peak (peak top value) at around 166 ° C.
- Example 2 Acquisition of Crystal I of Compound 1 By adding t-butyl methyl ether (1 mL) to Compound 1 (50 mg) obtained by the method described in Patent Document 1, and stirring at room temperature for 20 hours, Crystal 1 of compound 1 (28 mg, yield 56%) was obtained.
- the crystal I has a diffraction angle (2 ⁇ ⁇ 0.2 °) of 13.5 °, 17.9 °, 19.5 °, 20.6 °, 22.0 °, 22.6 °, 23.3 °, as shown in FIG. Characteristic peaks at 23.7 ° and 24.2 ° were shown. Further, as shown in FIG. 5, as a result of differential scanning calorimetry (DSC measurement), the crystal I showed an endothermic peak (peak top value) around 170 ° C.
- the crystal III of compound 1 has a diffraction angle (2 ⁇ ⁇ 0.2 °) of 9.5 °, 12.6 °, 13.5 °, 20.1 °, 20.6 °, 22.5 °, as shown in FIG. Characteristic peaks at 23.3 °, 23.7 °, and 24.2 ° were shown. Further, as shown in FIG. 6, as a result of differential scanning calorimetry (DSC measurement), Compound III Crystal III showed endothermic peaks (peak top values) at around 140 ° C. and 170 ° C.
- Test Example 1 Solid Stability of Compound 1 in Crystal II Crystal 1 or Compound II of Compound 1 was allowed to stand for 1 month at 40 ° C., 40 ° C. (humidity 75%), or 60 ° C. Thereafter, when the chemical purity was measured by high performance liquid chromatography, the change in chemical purity was 0.1% or less under any condition. Further, from the results of differential scanning calorimetry (DSC measurement) in Example 1 or 2 and Comparative Example 1, Compound 1 Crystal I or Crystal II showed that Compound 1 shown in Comparative Example 1 when the temperature was raised. No peak suggesting a phase transition was observed as in Crystal III. From these results, it was found that the crystal I or the crystal II of the compound 1 was a crystal excellent in solid stability.
- Test Example 2 Oral Absorbability of Compound 1 in Crystal II
- Compound 1 Crystal I or Crystal II was suspended in a 0.5% HPMC aqueous solution and orally administered to BALB / c mice at 50 mg / kg. After administration, the fundus oculi were collected 0.5, 1, 2, 4, and 6 hours later, and the concentration of Compound 1 in the plasma was measured. The results shown in Table 1 were obtained. It was found that both the crystal I and the crystal II of the compound 1 have a good oral absorbability, and the crystal I has a better oral absorbability. In addition, it was found that the oral absorbability of crystal I or crystal II can be obtained at a sufficient concentration showing medicinal effects.
- Test Example 3 Comparison of chemical purity of crystals I and II of compound 1 derived from the same lot Crude compound 1 (50 mg, chemical purity 98.6%) obtained by the method described in Patent Document 1 was added to 1 ml of acetone. After stirring at room temperature for 20 hours, the precipitate was collected by filtration to obtain Compound 1 of Crystal II.
- Table 2 shows the chemical purity of crude compound 1, crystal II of compound 1 obtained from crude compound 1 with each of the above solvents, and crystal I. Usually, it is expected that the chemical purity is improved by recrystallization. From this result, it was found that the crystal II can efficiently remove impurities. According to Guidelines ICH-Q3A of the Japan-US EU Pharmaceutical Regulation Harmonization Conference, 0.03% or more of drug substance impurities can be controlled, so the results of this test example are useful.
- Test Example 4 Comparison of Scaling of Crystal I and II of Compound 1 Crude (prepared to a theoretical yield of 767 mg) of Compound 1, ethyl acetate (30 mL) and heptane (24 mL) obtained by the method described in Patent Document 1 ) was added to the reaction vessel and heated to reflux for 1.5 hours. After allowing to cool, only the precipitates dispersed in the solvent in the reaction vessel were collected by filtration to obtain Compound 1 Crystal I (290 mg, yield 38%). Separately, a precipitate I that was firmly attached (scaling) to a reaction vessel or the like was collected to obtain Compound 1 Crystal I (312 mg, yield 41%).
- Crystal II was obtained from Crude Compound 1 using a mixed solvent of water and ethanol, acetone, or ethyl acetate, but the scaled Crystal II was less than 5%.
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Abstract
Description
本出願は、2015年3月31日に出願された、日本国特許出願第2015-070927号明細書(その開示全体が参照により本明細書中に援用される)に基づく優先権を主張する。
本発明は、安定で経口吸収性に優れ、抗腫瘍剤として有用な3,5-二置換ベンゼンアルキニル化合物の新規な結晶に関する。
項1.粉末X線回折スペクトルにおいて、回折角(2θ±0.2°)が、9.5°、14.3°、16.7°、19.1°、20.8°、21.9°、及び25.2°から選択される少なくとも3つ以上の特徴的なピークを示す結晶である(S)-1-(3-(4-アミノ-3-((3,5-ジメトキシフェニル)エチニル)-1H-ピラゾロ[3,4-d]ピリミジン-1-イル)-1-ピロリジニル)-2-プロぺン-1-オンの結晶:
項2.粉末X線回折スペクトルにおいて、回折角(2θ±0.2°)が、9.5°、14.3°、16.7°、19.1°、20.8°、21.9°、及び25.2°から選択される少なくとも5つ以上の特徴的なピークを示す結晶である項1に記載の結晶:
項3.粉末X線回折スペクトルにおいて、回折角(2θ±0.2°)が、9.5°、14.3°、16.7°、19.1°、20.8°、21.9°、及び25.2°の特徴的なピークを示す結晶である項1又は2に記載の結晶:
項4.化学純度が99.0%以上である項1~3のいずれかに記載の結晶:
項5.示差走査熱量測定において吸熱ピーク(ピークトップ値)が166℃付近である項1~4のいずれかに記載の結晶:
項6.項1~5のいずれかに記載の結晶を含有する医薬組成物:
項7.項1~5のいずれかに記載の結晶を含有する経口投与用の医薬組成物:
項8.粉末X線回折スペクトルにおいて、回折角(2θ±0.2°)が、13.5゜、17.9゜、19.5゜、20.6゜、22.0゜、22.6゜、23.3゜、23.7゜、及び24.2゜から選択される少なくとも7つ以上の特徴的なピークを示す結晶である(S)-1-(3-(4-アミノ-3-((3,5-ジメトキシフェニル)エチニル)-1H-ピラゾロ[3,4-d]ピリミジン-1-イル)-1-ピロリジニル)-2-プロぺン-1-オンの結晶:
項9.粉末X線回折スペクトルにおいて、回折角(2θ±0.2°)が、13.5゜、17.9゜、19.5゜、20.6゜、22.0゜、22.6゜、23.3゜、23.7゜、及び24.2゜の特徴的なピークを示す結晶である項8に記載の結晶:
項10.示差走査熱量測定において吸熱ピーク(ピークトップ値)が169℃付近である項8又は9に記載の結晶:
項11.項8~10のいずれかに記載の結晶を含有する医薬組成物:
項12.項8~10のいずれかに記載の結晶を含有する経口投与用の医薬組成物:
工程(2) 工程(1)で(S)-1-(3-(4-アミノ-3-((3,5-ジメトキシフェニル)エチニル)-1H-ピラゾロ[3,4-d]ピリミジン-1-イル)-1-ピロリジニル)-2-プロぺン-1-オンを添加した溶媒を攪拌して、(S)-1-(3-(4-アミノ-3-((3,5-ジメトキシフェニル)エチニル)-1H-ピラゾロ[3,4-d]ピリミジン-1-イル)-1-ピロリジニル)-2-プロぺン-1-オンを結晶化させる工程を含む、
方法により製造された(S)-1-(3-(4-アミノ-3-((3,5-ジメトキシフェニル)エチニル)-1H-ピラゾロ[3,4-d]ピリミジン-1-イル)-1-ピロリジニル)-2-プロぺン-1-オンの結晶:
項14.粉末X線回折スペクトルにおいて、回折角(2θ±0.2°)が、9.5°、14.3°、16.7°、19.1°、20.8°、21.9°、及び25.2°から選択される少なくとも3つ以上の特徴的なピークを示す項13に記載の結晶:
項15.化学純度が99.0%以上である項13又は14に記載の結晶:
項16.示差走査熱量測定において吸熱ピーク(ピークトップ値)が166℃付近である項13~15のいずれかに記載の結晶:
項17.工程(1) (S)-1-(3-(4-アミノ-3-((3,5-ジメトキシフェニル)エチニル)-1H-ピラゾロ[3,4-d]ピリミジン-1-イル)-1-ピロリジニル)-2-プロぺン-1-オンを、水、C1~4アルコール、C3~5脂肪族カルボン酸エステル、C3~6ケトン、C2~5非プロトン性極性有機溶媒、及びこれらの混合溶媒からなる群から選択される溶媒に添加する工程、及び
工程(2)工程(1)で(S)-1-(3-(4-アミノ-3-((3,5-ジメトキシフェニル)エチニル)-1H-ピラゾロ[3,4-d]ピリミジン-1-イル)-1-ピロリジニル)-2-プロぺン-1-オンを添加した溶媒を攪拌して、(S)-1-(3-(4-アミノ-3-((3,5-ジメトキシフェニル)エチニル)-1H-ピラゾロ[3,4-d]ピリミジン-1-イル)-1-ピロリジニル)-2-プロぺン-1-オンを結晶化させる工程を含む、
(S)-1-(3-(4-アミノ-3-((3,5-ジメトキシフェニル)エチニル)-1H-ピラゾロ[3,4-d]ピリミジン-1-イル)-1-ピロリジニル)-2-プロぺン-1-オン結晶の結晶化方法:
項19.前記工程(2)で得られる(S)-1-(3-(4-アミノ-3-((3,5-ジメトキシフェニル)エチニル)-1H-ピラゾロ[3,4-d]ピリミジン-1-イル)-1-ピロリジニル)-2-プロぺン-1-オン結晶の化学純度が99.0%以上である項17又は18に記載の結晶の結晶化方法:
項20.前記工程(2)で得られる(S)-1-(3-(4-アミノ-3-((3,5-ジメトキシフェニル)エチニル)-1H-ピラゾロ[3,4-d]ピリミジン-1-イル)-1-ピロリジニル)-2-プロぺン-1-オン結晶の示差走査熱量測定において吸熱ピーク(ピークトップ値)が166℃付近である項17~19のいずれかに記載の結晶の結晶化方法:
項21.工程(1) (S)-1-(3-(4-アミノ-3-((3,5-ジメトキシフェニル)エチニル)-1H-ピラゾロ[3,4-d]ピリミジン-1-イル)-1-ピロリジニル)-2-プロぺン-1-オンを、水、C1~4アルコール、C3~5脂肪族カルボン酸エステル、C3~6ケトン、C2~5非プロトン性極性有機溶媒、及びこれらの混合溶媒からなる群から選択される溶媒に添加する工程、及び
工程(2)工程(1)で(S)-1-(3-(4-アミノ-3-((3,5-ジメトキシフェニル)エチニル)-1H-ピラゾロ[3,4-d]ピリミジン-1-イル)-1-ピロリジニル)-2-プロぺン-1-オンを添加した溶媒を攪拌して、(S)-1-(3-(4-アミノ-3-((3,5-ジメトキシフェニル)エチニル)-1H-ピラゾロ[3,4-d]ピリミジン-1-イル)-1-ピロリジニル)-2-プロぺン-1-オンを結晶化させる工程を含む、
(S)-1-(3-(4-アミノ-3-((3,5-ジメトキシフェニル)エチニル)-1H-ピラゾロ[3,4-d]ピリミジン-1-イル)-1-ピロリジニル)-2-プロぺン-1-オンの結晶のスケーリング抑制方法:
項23.前記工程(2)で得られる(S)-1-(3-(4-アミノ-3-((3,5-ジメトキシフェニル)エチニル)-1H-ピラゾロ[3,4-d]ピリミジン-1-イル)-1-ピロリジニル)-2-プロぺン-1-オン結晶の化学純度が99.0%以上である項21又は22に記載の結晶のスケーリング抑制方法:
項24.前記工程(2)で得られる(S)-1-(3-(4-アミノ-3-((3,5-ジメトキシフェニル)エチニル)-1H-ピラゾロ[3,4-d]ピリミジン-1-イル)-1-ピロリジニル)-2-プロぺン-1-オン結晶の示差走査熱量測定において吸熱ピーク(ピークトップ値)が166℃付近である項21~23のいずれかに記載の結晶のスケーリング抑制方法:
項25.工程(1) (S)-1-(3-(4-アミノ-3-((3,5-ジメトキシフェニル)エチニル)-1H-ピラゾロ[3,4-d]ピリミジン-1-イル)-1-ピロリジニル)-2-プロぺン-1-オンを、C7~10炭化水素、C2~8エーテル、C6~10脂肪族カルボン酸エステル、又はC7~10炭化水素-C3~5脂肪族カルボン酸エステルの混合溶媒を含む溶媒に添加する工程、及び
工程(2)工程(1)で(S)-1-(3-(4-アミノ-3-((3,5-ジメトキシフェニル)エチニル)-1H-ピラゾロ[3,4-d]ピリミジン-1-イル)-1-ピロリジニル)-2-プロぺン-1-オンを添加した溶媒を攪拌して、(S)-1-(3-(4-アミノ-3-((3,5-ジメトキシフェニル)エチニル)-1H-ピラゾロ[3,4-d]ピリミジン-1-イル)-1-ピロリジニル)-2-プロぺン-1-オンを結晶化させる工程を含む、
方法により結晶化された(S)-1-(3-(4-アミノ-3-((3,5-ジメトキシフェニル)エチニル)-1H-ピラゾロ[3,4-d]ピリミジン-1-イル)-1-ピロリジニル)-2-プロぺン-1-オンの結晶:
項26.粉末X線回折スペクトルにおいて、回折角(2θ±0.2°)が、13.5゜、17.9゜、19.5゜、20.6゜、22.0゜、22.6゜、23.3゜、23.7゜、及び24.2゜から選択される少なくとも7つ以上の特徴的なピークを示す項25に記載の結晶:
項27.示差走査熱量測定において吸熱ピーク(ピークトップ値)が169℃付近である項25又は26に記載の結晶:
工程(2):工程(1)で(S)-1-(3-(4-アミノ-3-((3,5-ジメトキシフェニル)エチニル)-1H-ピラゾロ[3,4-d]ピリミジン-1-イル)-1-ピロリジニル)-2-プロぺン-1-オンを添加した溶媒を攪拌して、(S)-1-(3-(4-アミノ-3-((3,5-ジメトキシフェニル)エチニル)-1H-ピラゾロ[3,4-d]ピリミジン-1-イル)-1-ピロリジニル)-2-プロぺン-1-オンを結晶化させる工程を含む、
(S)-1-(3-(4-アミノ-3-((3,5-ジメトキシフェニル)エチニル)-1H-ピラゾロ[3,4-d]ピリミジン-1-イル)-1-ピロリジニル)-2-プロぺン-1-オンの結晶の結晶化方法:
項29.前記工程(2)で得られる(S)-1-(3-(4-アミノ-3-((3,5-ジメトキシフェニル)エチニル)-1H-ピラゾロ[3,4-d]ピリミジン-1-イル)-1-ピロリジニル)-2-プロぺン-1-オン結晶の粉末X線回折スペクトルにおいて、回折角(2θ±0.2°)が、13.5゜、17.9゜、19.5゜、20.6゜、22.0゜、22.6゜、23.3゜、23.7゜、及び24.2゜から選択される少なくとも7つ以上の特徴的なピークを示す項28に記載の結晶の結晶化方法:
項30.前記工程(2)で得られる(S)-1-(3-(4-アミノ-3-((3,5-ジメトキシフェニル)エチニル)-1H-ピラゾロ[3,4-d]ピリミジン-1-イル)-1-ピロリジニル)-2-プロぺン-1-オン結晶の示差走査熱量測定において吸熱ピーク(ピークトップ値)が169℃付近である項28又は29に記載の結晶:
工程(1) 化合物1を溶媒に添加する工程、及び
工程(2) 工程(1)で化合物1を添加した溶媒を攪拌して、化合物1を結晶化させる工程を含む、結晶IIの結晶化方法も提供する。当該方法は、
工程(1) 化合物1を溶媒に添加する工程、及び
工程(2) 工程(1)で化合物1を添加した溶媒を攪拌して、化合物1を結晶化させて結晶IIを得る工程を含む、
化合物1の結晶のスケーリング抑制方法といいかえることもできる。
実施例で用いた各種試薬は、特に記載の無い限り市販品を使用した。
粉末X線回折は、試験物質適量を必要に応じてメノウ製乳鉢で軽く粉砕した後、次の試験条件に従って測定した:
装置:リガク RINT-ULTIMA+2100
ターゲット:Cu
X線出力設定:40mA,40kV
走査範囲:5.0~40.0°
ステップサイズ:0.010°
スキャンスピード:5.00℃/min.
発散スリット:1/2°
散乱スリット:3.00mm
受光スリット:13.00mm
データ処理を含む装置の取り扱いは、各装置で指示された方法及び手順に従った。
DSC測定は、次の試験条件に従って測定した:
装置:TAインスツルメント Q1000
試料:およそ1mg
試料容器:アルミニウム製
昇温速度:10℃/分
雰囲気ガス:窒素
窒素ガス流量:50ml/min.
データ処理を含む装置の取り扱いは、各装置で指示された方法及び手順に従った。
高速液体クロマトグラフィーによる測定は、次の試験条件に従って測定した。
試料:0.1mg/mL 0.1%リン酸水溶液-アセトニトリル(1/1)溶液
移動相A:0.1%リン酸水溶液
移動相B:アセトニトリル
カラム:Ascentis ExpressC18 4.6×150mm S=2.7μm
測定波長:210nm
データ処理を含む装置の取り扱いは、各装置で指示された方法及び手順に従った。
または、高速液体クロマトグラフィーによる測定は、次の試験条件に従って測定した。
試料:0.1mg/mLアセトニトリル溶液
移動相A:0.1%ギ酸水溶液
移動相B:0.1%ギ酸-アセトニトリル
カラム:YMC社製YMC-Triart C18,2.0X50mm,1.9μm
測定波長:254nm
データ処理を含む装置の取り扱いは、各装置で指示された方法及び手順に従った。
特許文献1記載の方法によって得られた化合物1(1.00g)にエタノール(9mL)及び水(1mL)を投入して、75℃にて5分間撹拌した。その後、温度を室温まで下げ、26時間撹拌した後に析出物を濾取することにより、化合物1の結晶II(771mg、収率77%)を得た。
特許文献1に記載の方法によって得られた化合物1(50mg)にt-ブチルメチルエーテル(1mL)を投入して、室温にて20時間撹拌することにより、化合物1の結晶I(28mg、収率56%)を得た。
実施例1と同様の方法で、特許文献1に記載の方法によって得られた化合物1(1.91g)から酢酸エチルとn-ヘキサンとの混合溶媒を用いることにより、化合物1の結晶III(821mg、収率43%)を得た。
化合物1の結晶I又は結晶IIを40℃、40℃(湿度75%)、又は60℃の条件下にて1ヶ月放置した。その後、高速液体クロマトグラフィーにて化学純度を測定したところ、いずれの条件においても化学純度の変化は0.1%以下であった。また、実施例1又は2及び比較例1の示差走査熱量測定(DSC測定)の結果より、化合物1の結晶I又は結晶IIは、温度を上昇させた際に、比較例1に示した化合物1の結晶IIIのような相転移を示唆するピークは見られなかった。これらの結果より、化合物1の結晶I又は結晶IIは固体安定性に優れた結晶であることが分かった。
化合物1の結晶I又は結晶IIを0.5%HPMC水溶液に懸濁させ、BALB/cマウスに50mg/kgとなるよう経口投与した。投与後、0.5, 1, 2, 4, 6時間後にそれぞれ眼底採血を実施し、血漿中の化合物1の濃度を測定したところ、表1のような結果が得られた。化合物1の結晶I又は結晶IIはどちらも経口吸収性が良好であり、結晶Iの方がより経口吸収性が良好であることが分かった。また、結晶I又は結晶IIの経口吸収性はどちらも薬効を示す十分な濃度が得られることが分かった。
特許文献1に記載の方法によって得られたクルードの化合物1(50mg、化学純度98.6%)をアセトン1 mlに投入し、室温にて20時間撹拌した後に析出物を濾取することにより、結晶IIの化合物1を得た。
特許文献1に記載の方法によって得られたクルード(理論収量として767mgとなるように調製)の化合物1、酢酸エチル(30mL)とヘプタン(24mL)との混合溶媒を反応容器に投入し、1.5時間加熱環流させた。放冷後、反応容器中の溶媒に分散されている析出物のみを濾取することにより、化合物1の結晶Iを得た(290mg, 収率38%)。また、別途、反応容器などに固く付着(スケーリング)した析出物を収集することにより、化合物1の結晶Iを得た(312mg, 収率41%)。
Claims (12)
- 粉末X線回折スペクトルにおいて、回折角(2θ±0.2°)が、9.5°、14.3°、16.7°、19.1°、20.8°、21.9°、及び25.2°から選択される少なくとも3つ以上の特徴的なピークを示す結晶である(S)-1-(3-(4-アミノ-3-((3,5-ジメトキシフェニル)エチニル)-1H-ピラゾロ[3,4-d]ピリミジン-1-イル)-1-ピロリジニル)-2-プロぺン-1-オンの結晶。
- 粉末X線回折スペクトルにおいて、回折角(2θ±0.2°)が、9.5°、14.3°、16.7°、19.1°、20.8°、21.9°、及び25.2°から選択される少なくとも5つ以上の特徴的なピークを示す結晶である請求項1に記載の結晶。
- 粉末X線回折スペクトルにおいて、回折角(2θ±0.2°)が、9.5°、14.3°、16.7°、19.1°、20.8°、21.9°、及び25.2°の特徴的なピークを示す結晶である請求項1又は2に記載の結晶。
- 化学純度が99.0%以上である請求項1~3のいずれかに記載の結晶。
- 示差走査熱量測定において吸熱ピーク(ピークトップ値)が166℃付近である請求項1~4のいずれかに記載の結晶。
- 請求項1~5のいずれかに記載の結晶を含有する医薬組成物。
- 請求項1~5のいずれかに記載の結晶を含有する経口投与用の医薬組成物。
- 粉末X線回折スペクトルにおいて、回折角(2θ±0.2°)が、13.5゜、17.9゜、19.5゜、20.6゜、22.0゜、22.6゜、23.3゜、23.7゜、及び24.2゜から選択される少なくとも7つ以上の特徴的なピークを示す結晶である(S)-1-(3-(4-アミノ-3-((3,5-ジメトキシフェニル)エチニル)-1H-ピラゾロ[3,4-d]ピリミジン-1-イル)-1-ピロリジニル)-2-プロぺン-1-オンの結晶。
- 粉末X線回折スペクトルにおいて、回折角(2θ±0.2°)が、13.5゜、17.9゜、19.5゜、20.6゜、22.0゜、22.6゜、23.3゜、23.7゜、及び24.2゜の特徴的なピークを示す結晶である請求項8に記載の結晶。
- 示差走査熱量測定において吸熱ピーク(ピークトップ値)が169℃付近である請求項8又は9のいずれかに記載の結晶。
- 請求項8~10のいずれかに記載の結晶を含有する医薬組成物。
- 請求項8~10のいずれかに記載の結晶を含有する経口投与用の医薬組成物。
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HK18105931.1A HK1246297A1 (zh) | 2015-03-31 | 2018-05-08 | 3,5-二取代的苯炔基化合物晶體 |
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KR101917557B1 (ko) | 2018-11-09 |
JP6190079B2 (ja) | 2017-08-30 |
CA2980888A1 (en) | 2016-10-06 |
CN111393446A (zh) | 2020-07-10 |
ES2812785T3 (es) | 2021-03-18 |
CA2980888C (en) | 2018-03-06 |
CN107406455B (zh) | 2020-05-12 |
CN107406455A (zh) | 2017-11-28 |
JP2017193581A (ja) | 2017-10-26 |
AU2016240841A1 (en) | 2017-10-05 |
CN111393446B (zh) | 2022-12-20 |
AU2016240841B2 (en) | 2018-02-01 |
EP3279202A1 (en) | 2018-02-07 |
SG11201707384YA (en) | 2017-10-30 |
HUE051074T2 (hu) | 2021-03-01 |
HK1246297A1 (zh) | 2018-09-07 |
US20180110782A1 (en) | 2018-04-26 |
BR112017019809A2 (ja) | 2018-05-29 |
EP3279202B1 (en) | 2020-06-24 |
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