WO2023280132A1 - 氧代二氢咪唑并吡啶类化合物的晶型及其制备方法 - Google Patents

氧代二氢咪唑并吡啶类化合物的晶型及其制备方法 Download PDF

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WO2023280132A1
WO2023280132A1 PCT/CN2022/103775 CN2022103775W WO2023280132A1 WO 2023280132 A1 WO2023280132 A1 WO 2023280132A1 CN 2022103775 W CN2022103775 W CN 2022103775W WO 2023280132 A1 WO2023280132 A1 WO 2023280132A1
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crystal form
compound
ray powder
present
powder diffraction
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English (en)
French (fr)
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鲁霞
陈智雄
张晓宇
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苏州晶云药物科技股份有限公司
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00Medicinal preparations containing organic active ingredients
    • A61K31/33Heterocyclic compounds
    • A61K31/395Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/435Heterocyclic 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
    • A61K31/4353Heterocyclic 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 ortho- or peri-condensed with heterocyclic ring systems
    • A61K31/437Heterocyclic 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 ortho- or peri-condensed with heterocyclic ring systems the heterocyclic ring system containing a five-membered ring having nitrogen as a ring hetero atom, e.g. indolizine, beta-carboline
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00Medicinal preparations containing organic active ingredients
    • A61K31/33Heterocyclic compounds
    • A61K31/395Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/435Heterocyclic 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
    • A61K31/44Non condensed pyridines; Hydrogenated derivatives thereof
    • A61K31/445Non condensed piperidines, e.g. piperocaine
    • A61K31/4523Non condensed piperidines, e.g. piperocaine containing further heterocyclic ring systems
    • A61K31/4545Non condensed piperidines, e.g. piperocaine containing further heterocyclic ring systems containing a six-membered ring with nitrogen as a ring hetero atom, e.g. pipamperone, anabasine
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P25/00Drugs for disorders of the nervous system
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P37/00Drugs for immunological or allergic disorders
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P37/00Drugs for immunological or allergic disorders
    • A61P37/02Immunomodulators
    • A61P37/06Immunosuppressants, e.g. drugs for graft rejection
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D471/00Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00
    • C07D471/02Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00 in which the condensed system contains two hetero rings
    • C07D471/04Ortho-condensed systems

Definitions

  • the invention relates to the field of chemistry and medicine, in particular to a crystal form of oxodihydroimidazopyridine compounds and a preparation method thereof.
  • BTK Bruton's tyrosine kinase
  • RA rheumatoid arthritis
  • BTK is also expressed on myeloid cells, including monocytes, macrophages, neutrophils and mast cells. These cells infiltrate the lubricating membrane cavity and produce inflammatory cytokines that aggravate the symptoms of arthritis.
  • BTK inhibitors can block B cell receptor-dependent cell proliferation and reduce the production of inflammatory cytokines.
  • Preclinical studies have shown that BTK inhibitors are also effective in a variety of inflammatory and autoimmune diseases, such as rheumatoid arthritis, and in animal models.
  • Patent WO2016196840A1 discloses the compound of formula (I) and its synthesis. The disclosed synthesis method needs to be purified by a preparative column.
  • the present invention provides crystal forms B, C and E of the compound of formula (I) and a preparation method thereof.
  • its X-ray powder diffraction has characteristics at one or two or three of the 2 ⁇ values of 10.9° ⁇ 0.2°, 16.1° ⁇ 0.2°, and 18.7° ⁇ 0.2° peak.
  • a pharmaceutical composition comprising the crystal described in any one of 1 to 3, 5 to 7 and 9 to 11 above and a pharmaceutically acceptable carrier.
  • a pharmaceutical composition having BTK inhibitory activity comprising the crystal described in any one of 1 to 3, 5 to 7 and 9 to 11 above as an active ingredient.
  • a therapeutic agent for multiple sclerosis comprising the crystal according to any one of 1 to 3, 5 to 7, and 9 to 11 above as an active ingredient.
  • the crystal forms B, C, and E of the compound of formula (I) provided by the present invention have better solubility, melting point, stability, dissolution rate, hygroscopicity, adhesion, fluidity, bioavailability and processing performance.
  • advantages in at least one aspect of aspects such as purification, preparation production and safety, which provide a new and better choice for the preparation of pharmaceutical preparations containing compounds of formula (I), and are of great significance for drug development.
  • Type B crystals of pyridin-2(3H)-one i.e. crystal form B
  • the X-ray powder diffraction of the crystal form B has a 2 ⁇ value of 4.1° ⁇ 0.2° , 10.2° ⁇ 0.2° and 22.6° ⁇ 0.2° have characteristic peaks,
  • the X-ray powder diffraction of the crystal form B has a 2 ⁇ value of 8.2° ⁇ 0.2°, 16.5° ⁇ 0.2°, 17.7° ⁇ 0.2° at one or two or three places have characteristic peaks.
  • the X-ray powder diffraction of the crystal form B has characteristic peaks at 2 ⁇ values of 8.2° ⁇ 0.2°, 16.5° ⁇ 0.2°, and 17.7° ⁇ 0.2°.
  • the X-ray powder diffraction of the crystal form B has one or two or three 2 ⁇ values of 11.2° ⁇ 0.2°, 12.3° ⁇ 0.2°, 24.7° ⁇ 0.2° have characteristic peaks.
  • the X-ray powder diffraction of the crystal form B has characteristic peaks at 2 ⁇ values of 11.2° ⁇ 0.2°, 12.3° ⁇ 0.2°, and 24.7° ⁇ 0.2°.
  • the X-ray powder diffraction of the crystal form B has a 2 ⁇ value of 4.1° ⁇ 0.2°, 8.2° ⁇ 0.2°, 10.2° ⁇ 0.2°, 11.2° ⁇ 0.2°, 12.3° ⁇ 0.2° Any 4, or 5, or 6, or 7, or 8, or 9 of 0.2°, 16.5° ⁇ 0.2°, 17.7° ⁇ 0.2°, 22.6° ⁇ 0.2°, 24.7° ⁇ 0.2° There are characteristic peaks.
  • the X-ray powder diffraction of the crystal form B has a 2 ⁇ value of 4.1° ⁇ 0.2°, 8.2° ⁇ 0.2°, 10.2° ⁇ 0.2°, 11.2° ⁇ 0.2°, 12.3° ⁇ 0.2° There are characteristic peaks at 0.2°, 16.5° ⁇ 0.2°, 17.7° ⁇ 0.2°, 22.6° ⁇ 0.2°, 24.7° ⁇ 0.2°.
  • the X-ray powder diffraction pattern of the crystal form B is shown in Figure 1 or Figure 5 .
  • the ketone solvent is acetone
  • the dissolution temperature is 10-50°C, such as 20-30°C.
  • the volatilization temperature is -5-10°C, such as 5°C.
  • the heating rate is 10 ⁇ 40° C./minute, for example, 10° C./minute.
  • the lowering of temperature is lowering the temperature to 20-40°C, such as 30°C.
  • the ester solvent is ethyl acetate.
  • the dissolution temperature is 10-50°C, such as 20-30°C.
  • the volatilization temperature is -5-10°C, such as 5°C.
  • the X-ray powder diffraction of the crystal form E has one or two or three 2 ⁇ values of 10.9° ⁇ 0.2°, 16.1° ⁇ 0.2°, 18.7° ⁇ 0.2° have characteristic peaks.
  • the X-ray powder diffraction of the crystal form E has characteristic peaks at 2 ⁇ values of 10.9° ⁇ 0.2°, 16.1° ⁇ 0.2°, and 18.7° ⁇ 0.2°.
  • the X-ray powder diffraction of the crystal form E has one or two or three 2 ⁇ values of 13.6° ⁇ 0.2°, 20.1° ⁇ 0.2°, and 23.7° ⁇ 0.2° have characteristic peaks.
  • the X-ray powder diffraction of the crystal form E has characteristic peaks at 2 ⁇ values of 13.6° ⁇ 0.2°, 20.1° ⁇ 0.2°, and 23.7° ⁇ 0.2°.
  • the X-ray powder diffraction of the crystal form E has a 2 ⁇ value of 7.6° ⁇ 0.2°, 10.9° ⁇ 0.2°, 12.0° ⁇ 0.2°, 13.6° ⁇ 0.2°, 16.1° ⁇ 0.2° Any 4, or 5, or 6, or 7, or 8, or 9 of 0.2°, 18.7° ⁇ 0.2°, 20.1° ⁇ 0.2°, 22.8° ⁇ 0.2°, 23.7° ⁇ 0.2° There are characteristic peaks.
  • the X-ray powder diffraction of the crystal form E has a 2 ⁇ value of 7.6° ⁇ 0.2°, 10.9° ⁇ 0.2°, 12.0° ⁇ 0.2°, 13.6° ⁇ 0.2°, 16.1° ⁇ 0.2° There are characteristic peaks at 0.2°, 18.7° ⁇ 0.2°, 20.1° ⁇ 0.2°, 22.8° ⁇ 0.2°, 23.7° ⁇ 0.2°.
  • the X-ray powder diffraction pattern of the crystal form E is shown in FIG. 10 .
  • the aromatic hydrocarbon solvent is toluene.
  • the volatilization temperature is 0-10°C, such as 5°C.
  • the heating rate is 10 ⁇ 30° C./minute, for example, 10° C./minute.
  • the heating temperature is 148-158°C, for example, 152°C.
  • the temperature reduction is to reduce the temperature to 20-40°C, such as 40°C.
  • the ester solvent is ethyl acetate
  • the alkane solvent is n-heptane
  • the volume ratio of ethyl acetate/n-heptane is 1:1-4, for example 1 :2.
  • the solid form of the compound of formula (I) is Form B.
  • the temperature of the suspension stirring is 30-60°C, for example, 50°C.
  • the suspension stirring time is 1-3 days, for example, 1 day.
  • the X-ray powder diffraction of the crystal form C has one or two or three 2 ⁇ values of 10.3° ⁇ 0.2°, 16.2° ⁇ 0.2°, and 23.0° ⁇ 0.2° have characteristic peaks.
  • the X-ray powder diffraction of the crystal form C has characteristic peaks at 2 ⁇ values of 10.3° ⁇ 0.2°, 16.2° ⁇ 0.2°, and 23.0° ⁇ 0.2°.
  • the X-ray powder diffraction of the crystal form C has one or two or three 2 ⁇ values of 8.3° ⁇ 0.2°, 24.0° ⁇ 0.2°, and 25.2° ⁇ 0.2° have characteristic peaks.
  • the X-ray powder diffraction of the crystal form C has characteristic peaks at 2 ⁇ values of 8.3° ⁇ 0.2°, 24.0° ⁇ 0.2°, and 25.2° ⁇ 0.2°.
  • the X-ray powder diffraction of the crystal form C has a 2 ⁇ value of 8.3° ⁇ 0.2°, 10.3° ⁇ 0.2°, 11.0° ⁇ 0.2°, 16.2° ⁇ 0.2°, 20.8° ⁇ Any 4, or 5, or 6, or 7, or 8, or 9 of 0.2°, 22.1° ⁇ 0.2°, 23.0° ⁇ 0.2°, 24.0° ⁇ 0.2°, 25.2° ⁇ 0.2° There are characteristic peaks.
  • the X-ray powder diffraction of the crystal form C has a 2 ⁇ value of 8.3° ⁇ 0.2°, 10.3° ⁇ 0.2°, 11.0° ⁇ 0.2°, 16.2° ⁇ 0.2°, 20.8° ⁇ There are characteristic peaks at 0.2°, 22.1° ⁇ 0.2°, 23.0° ⁇ 0.2°, 24.0° ⁇ 0.2°, 25.2° ⁇ 0.2°.
  • the X-ray powder diffraction pattern of the crystal form C is shown in FIG. 6 .
  • the alkyl nitrile solvent is acetonitrile
  • the ketone solvent is acetone
  • the amide solvent is N,N-dimethylformamide
  • the gas-solid diffusion temperature is 10-50°C, for example, 20-30°C.
  • the solid compound of formula (I) is Form B.
  • the gas-solid diffusion time is 5-14 days, for example, 7 days.
  • the solid compound of formula (I) is Form B.
  • the mixed solvent is methanol/pure water, acetone/pure water, 2-methyltetrahydrofuran/n-heptane, dichloromethane/cyclohexane.
  • the volume ratio of methanol/pure water is 1:1-4, such as 1:2; the volume ratio of acetone/pure water is 1:1-4, such as 1:2; 2 -
  • the temperature of the suspension stirring is -25-50°C, such as 20-30°C, or -20°C.
  • the suspension stirring time is 5-14 days, such as 7 days.
  • said compound of formula (I) as starting material refers to its solid (crystalline or amorphous), semi-solid, waxy or oily form.
  • the compound of formula (I) as starting material is in the form of a solid powder.
  • the "stirring” is accomplished by conventional methods in the art, such as magnetic stirring or mechanical stirring, with a stirring speed of 50-1800 rpm, wherein magnetic stirring is 200-1500 rpm, preferably 300-1000 rpm , The mechanical stirring is preferably 100 to 300 rpm.
  • the above-mentioned crystals of the present invention can be used to prepare a pharmaceutical composition, which contains the above-mentioned crystals of the present invention and a pharmaceutically acceptable carrier.
  • the above-mentioned crystal of the present invention can be used to prepare a pharmaceutical composition having BTK inhibitory activity, which comprises the above-mentioned crystal of the present invention as an active ingredient.
  • the above-mentioned crystal of the present invention can be used to prepare a preventive or therapeutic drug for multiple sclerosis, which contains the above-mentioned crystal of the present invention as an active ingredient.
  • the present invention also provides a pharmaceutical composition comprising the above-mentioned crystal of the present invention and a pharmaceutically acceptable carrier.
  • the present invention also provides a pharmaceutical composition having BTK inhibitory activity, which contains the above-mentioned crystal of the present invention as an active ingredient.
  • the present invention provides a preventive or therapeutic drug for multiple sclerosis comprising the above-mentioned crystal of the present invention as an active ingredient.
  • crystal or “polymorph” refers to what is characterized by the shown X-ray diffraction pattern.
  • X-ray diffraction patterns often vary with the conditions of the instrument.
  • the relative intensity of the X-ray diffraction pattern may also vary with the experimental conditions, so the order of peak intensities cannot be used as the only or decisive factor.
  • the relative intensity of the diffraction peaks in the X-ray diffraction pattern is related to the preferred orientation of the crystal, and the peak intensities shown here are illustrative rather than for absolute comparison.
  • the experimental error of peak angle is usually 5% or less, and the error of these angles should also be taken into account, and the error of ⁇ 0.2° is usually allowed.
  • due to the influence of experimental factors such as sample thickness it will cause the overall deviation of the peak angle, and a certain deviation is usually allowed.
  • the X-ray diffraction pattern of a crystal form in the present invention does not have to be completely consistent with the X-ray diffraction pattern in the example referred to here, and the "same X-ray diffraction pattern" mentioned herein does not mean absolutely identical, identical peak positions may differ by ⁇ 0.2° and peak intensities allow for some variability. Any crystal form having the same or similar pattern as the characteristic peaks in these patterns falls within the scope of the present invention. Those skilled in the art can compare the spectrum listed in the present invention with the spectrum of an unknown crystal form to confirm whether the two sets of spectrum reflect the same or different crystal forms.
  • the crystalline forms B, C, and E of the present invention are pure and single, substantially without mixing any other crystalline forms.
  • substantially free when used to refer to a new crystal form means that this crystal form contains less than 20% (weight) of other crystal forms, especially refers to less than 10% (weight) of other crystal forms, and even less More than 5% (weight) of other crystal forms, more refers to less than 1% (weight) of other crystal forms.
  • the numerical values and numerical ranges mentioned in the present invention should not be narrowly interpreted as numerical values or numerical ranges themselves, and those skilled in the art should understand that they can vary according to the specific technical environment without departing from the spirit and scope of the present invention. There are fluctuations around specific numerical values on the basis of principles, and in the present invention, such fluctuation ranges that are foreseeable by those skilled in the art are often expressed by the term "about”.
  • Root temperature in the present invention usually refers to 22°C to 28°C unless otherwise specified.
  • the X-ray powder diffraction patterns described in the present invention were collected on Empyrean type and X'Pert 3 type X-ray powder diffractometers of Panalytical (Panalytical) Company.
  • the method parameter of X-ray powder diffraction of the present invention is as follows:
  • the differential scanning calorimetry chart of the present invention is collected on the Q200 type and Discovery DSC 2500 type differential scanning calorimeter of TA company.
  • the method parameter of differential scanning calorimetry analysis of the present invention is as follows:
  • thermogravimetric analysis figure of the present invention is collected on the Discovery TGA 5500 type of TA company and Q5000 type thermogravimetric analyzer.
  • the method parameter of thermogravimetric analysis of the present invention is as follows:
  • the proton nuclear magnetic resonance spectrum data ( 1 H NMR) described in the present invention is collected from a Bruker Avance II DMX 400M HZ nuclear magnetic resonance spectrometer. Weigh 1-5mg sample, dissolve it with 0.5mL deuterated dimethyl sulfoxide, and prepare a 2-10mg/mL solution for testing.
  • the dynamic moisture adsorption figure of the present invention is collected on the Intrinsic type and Intrinsic Plus type dynamic moisture adsorption instrument of SMS company.
  • the method parameters of the dynamic moisture adsorption test of the present invention are as follows:
  • Relative humidity gradient 10% (0%RH-90%RH-0%RH), 5% (90%RH-95%RH and 95%RH-90%RH)
  • the particle size distribution results described in the present invention are collected on the S3500 laser particle size analyzer of Microtrac Company.
  • Microtrac S3500 is equipped with SDC (Sample Delivery Controller) sampling system.
  • SDC Sample Delivery Controller
  • This test adopts wet method, and the test dispersion medium is Isopar G (containing 0.2% lecithin).
  • the method parameter of described laser particle size analyzer is as follows:
  • the inherent dissolution rate data described in the present invention is collected on the Agilent 708DS type dissolution apparatus of Agilent Company.
  • the inherent dissolution test conditions described are as follows:
  • the polarizing microscope photos described in the present invention were collected at room temperature by Zeiss microscope Axio Scope.A1, and the microscope was equipped with Axiocam 305 color camera and 5 ⁇ , 10 ⁇ , 20 ⁇ and 50 ⁇ objective lenses.
  • the starting material of formula (I) used in the following examples can be prepared according to the existing technology, for example, according to the method described in the patent WO2016196840A1, but the starting crystal form is not a limiting condition for preparing the crystal form of the present invention.
  • Embodiment 1 the preparation of crystal form B
  • Embodiment 2 the preparation of crystal form B
  • Embodiment 3 the preparation of crystal form B
  • the solid was dispersed in 10 ml of acetone, the solid was separated by suction filtration, and dried under vacuum at 50° C. for 1 hour to obtain Form B. Its XRPD pattern is shown in Figure 5, and the X-ray powder diffraction data are shown in Table 3.
  • Embodiment 4 Preparation of crystal form E (low temperature volatilization-DSC heating method)
  • Embodiment 5 Preparation of crystal form E (suspension stirring method)
  • the sample is at about 7.6° ⁇ 0.2°, about 10.9° ⁇ 0.2°, about 12.0° ⁇ 0.2°, about 13.6° ⁇ 0.2°, about 16.1° ⁇ 0.2°, about 18.7° ⁇ 0.2°, about 20.1° ⁇ 0.2° °, about 21.3° ⁇ 0.2°, about 22.8° ⁇ 0.2°, about 23.7° ⁇ 0.2°, and about 24.8° ⁇ 0.2° have characteristic peaks.
  • the XRPD, TGA, DSC, and 1 H NMR thereof are shown in Figures 10-13, respectively.
  • Embodiments 6-8 Preparation of Form C (gas-liquid diffusion method)
  • Example 6 The detailed test conditions involved in this example are shown in Table 6, and the X-ray powder diffraction data of the sample in Example 7 are shown in Table 7.
  • Embodiments 9-12 Preparation of Form C (suspension stirring method)
  • Crystal form B sample of Example 3 was weighed and placed in a 1.5 ml glass vial, and 0.5 ml of a corresponding solvent was added to obtain a suspension. The sample was suspended and stirred (500 rpm) at room temperature or -20°C for about 7 days to obtain Form C.
  • the detailed test conditions involved in this embodiment are shown in Table 8.
  • the X-ray powder diffraction data of the sample of Example 10 are shown in Table 9.
  • the sample is at about 8.3° ⁇ 0.2°, about 10.3° ⁇ 0.2°, about 11.0° ⁇ 0.2°, about 16.2° ⁇ 0.2°, about 17.6° ⁇ 0.2°, about 20.5° ⁇ 0.2°, about 20.8° ⁇ 0.2° °, about 21.6° ⁇ 0.2°, about 22.1° ⁇ 0.2°, about 23.0° ⁇ 0.2°, about 24.0° ⁇ 0.2°, and about 25.2° ⁇ 0.2° have characteristic peaks.
  • Its XRPD pattern is shown in Figure 6, and TGA, DSC, and 1 H NMR are shown in Figures 7-9, respectively.
  • Example Mass (mg) Solvent (volume ratio) condition 9 9.2 Methanol/pure water (1:2) room temperature 10 9.4 Acetone/pure water (1:2) room temperature 11 10.5 2-Methyltetrahydrofuran/n-heptane (1:2) room temperature 12 10.1 Dichloromethane/cyclohexane (1:2) -20°C
  • the crystal form B, crystal form C and crystal form E of the present invention were respectively prepared into suspensions with FaSSIF (artificial intestinal fluid under fasting state), FeSSIF (artificial intestinal fluid under fed state) and pure water, and prepared in 1 hour, 2 hours, After equilibrating for 4 hours and 24 hours, filtration gave a saturated solution.
  • the content of the samples in the saturated solution was determined by high performance liquid chromatography (HPLC).
  • HPLC high performance liquid chromatography
  • the test results are shown in Table 10, and the solubility curves are shown in Figures 14-16 respectively.
  • the test results show that the crystal form B, crystal form C and crystal form E of the present invention have better solubility in FaSSIF, FeSSIF and pure water.
  • a manual tablet press is used for tablet compression.
  • a circular flat punch that can be compressed into a cylindrical tablet is selected, and a certain amount of crystal form B, crystal form C and crystal form E of the present invention are respectively added, and pressed with a pressure of 10kN.
  • Form a round tablet place it in a desiccator for 24 hours, and use a tablet hardness tester to test its radial crushing force (hardness, H) after complete elastic recovery.
  • the test results are shown in Table 11.
  • the XRPD comparison diagram of Form B before and after tablet compression is shown in Figure 17
  • the XRPD comparison diagram of Form C before and after tablet compression is shown in Figure 18, and the XRPD comparison diagram of Form E before and after tablet compression
  • Figure 19 For example, under a certain pressure, the greater the tensile strength, the better its compressibility.
  • the test results show that the crystal form B, crystal form C and crystal form E of the present invention have higher tensile strength, indicating better compressibility.
  • Embodiment 15 Cumulative dissolution rate of crystal form
  • Embodiment 16 Stability comparative study
  • Embodiment 17 Contrastive research on moisture absorption
  • Moisture-absorbing the weight gain of moisture-absorbing is less than 15% but not less than 2%
  • Embodiment 18 Comparative study on crystal habit
  • Embodiment 19 comparative study of particle size distribution
  • crystal form B, crystal form C and crystal form E of the present invention Weigh about 10-30 mg each of the crystal form B, crystal form C and crystal form E of the present invention, then add about 5mL Isopar G (containing 0.2% lecithin), fully mix the samples to be tested and add them to the SDC sampling system, Make the shading degree reach the appropriate range, start the experiment, and test the particle size distribution after 30 seconds of ultrasonication.
  • the crystal form B, crystal form C and crystal form E of the present invention have relatively uniform particle size distribution.

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Abstract

涉及氧代二氢咪唑并吡啶类化合物的晶型及其制备方法。提供了式(I)化合物的晶型B、C、E及其制备方法和用途。提供的式(I)化合物晶型B、C、E,在溶解度、熔点、稳定性、溶出度、引湿性、黏附性、流动性、生物有效性以及加工性能、提纯作用、制剂生产、安全性等方面中的至少一方面上存在优势,为含式(I)化合物的药物制剂的制备提供了新的更好的选择,对于药物开发具有非常重要的意义。

Description

氧代二氢咪唑并吡啶类化合物的晶型及其制备方法 技术领域
本发明涉及化学医药领域,特别是涉及氧代二氢咪唑并吡啶类化合物的晶型及其制备方法。
背景技术
布鲁顿酪氨酸激酶(BTK)是B细胞受体信号复合体中的一种关键信号分子,是淋巴细胞生存和增殖的关键。B细胞受体信号异常与自身免疫性疾病有关,如类风湿性关节炎(RA)。此外,BTK也在髓系细胞,包括单核细胞,巨噬细胞,中性粒细胞和肥大细胞表达。这些细胞浸润滑膜腔并产生炎性细胞因子,加重关节炎症状。BTK抑制剂可以阻断B细胞受体依赖性细胞增殖,减少炎性因子产生。临床前研究表明BTK抑制剂还对多种炎症和自身免疫性疾病,如类风湿关节炎和动物模型有效。
(R)-1-(1-丙烯酰基哌啶-3-基)-4-氨基-3-(4-苯氧基苯基)-1H-咪唑并[4,5-c]吡啶-2(3H)-酮是一种新型、高选择性的BTK抑制剂,临床上主要用于多发性硬化症的治疗,其结构式如下所示:
Figure PCTCN2022103775-appb-000001
专利WO2016196840A1公开了式(I)化合物及其合成,公开的合成方法需利用制备柱进行提纯。
上述制备方法过程繁琐且会产生有毒有害的废液,需开发更为简单、安全的制备方法。此外,同一药物的不同晶型在溶解度、熔点、密度、稳定性等方面有显著的差异,从而不同程度地影响药物的稳定性、均一性、生物利用度、疗效和安全性。因此,药物研发中进行全面系统的多晶型筛选,选择最适合开发的晶型,是不可忽视的重要研究内容之一。基于此,有必要对化合物(I)进行多晶型筛选,为药物的后续开发提供更多更好的选择。
发明内容
本发明提供了式(I)化合物的晶型B、C、E及其制备方法。
1.式(I)所示化合物(R)-1-(1-丙烯酰基哌啶-3-基)-4-氨基-3-(4-苯氧基苯基)-1H-咪唑并[4,5-c]吡啶-2(3H)-酮的B型晶体、即晶型B,其特征在于,使用Cu-Kα辐射,所述晶型B的X射线粉末衍射在2θ值为4.1°±0.2°、10.2°±0.2°、22.6°±0.2°处有特征峰,
Figure PCTCN2022103775-appb-000002
2.根据上述1所述的晶型B,其X射线粉末衍射在2θ值为8.2°±0.2°、16.5°±0.2°、17.7°±0.2°中的一处或两处或三处有特征峰。
3.根据上述1或2所述的所述晶型B,其X射线粉末衍射在2θ值为8.2°±0.2°、16.5°±0.2°、17.7°±0.2°处有特征峰。
4.上述1~3中任一项所述的晶型B的制备方法,其特征包括,
(1)在10~50℃下,将式(I)化合物溶解于酮类溶剂中,置于-5~10℃下析出固体,将前述固体加热至110℃,继而降温,得到晶型B;或
(2)在10~50℃下,将式(I)化合物溶解于酯类溶剂中,置于-5~10℃下析出固体,得到晶型B。
5.式(I)所示化合物(R)-1-(1-丙烯酰基哌啶-3-基)-4-氨基-3-(4-苯氧基苯基)-1H-咪唑并[4,5-c]吡啶-2(3H)-酮的E型晶体、即晶型E,其特征在于,使用Cu-Kα辐射,所述晶型E的X射线粉末衍射在2θ值为7.6°±0.2°、12.0°±0.2°、22.8°±0.2°处有特征峰,
Figure PCTCN2022103775-appb-000003
6.根据上述5所述的晶型E,其X射线粉末衍射在2θ值为10.9°±0.2°、16.1°±0.2°、18.7°±0.2°中的一处或两处或三处有特征峰。
7.根据上述5或6所述的所述晶型E,其X射线粉末衍射在2θ值为10.9°±0.2°、16.1°±0.2°、18.7°±0.2°处有特征峰。
8.上述5~7中任一项所述的晶型E的制备方法,其特征包括,
(1)将式(I)化合物固体溶解于芳香烃类溶剂中,将溶液在0~10℃下挥发,直至固体析出;将前述固体加热至148~158℃,继而降温,得到晶型E。
(2)将式(I)化合物固体与上述5或6所述的晶型E固体加入至酯类、烷烃类的混合溶剂中,在30~60℃下悬浮搅拌,得到晶型E。
9.式(I)所示化合物(R)-1-(1-丙烯酰基哌啶-3-基)-4-氨基-3-(4-苯氧基苯基)-1H-咪唑并[4,5-c]吡啶-2(3H)-酮的C型晶体、即晶型C,其特征在于,使用Cu-Kα辐射,所述晶型C的X射线粉末衍射在2θ值为11.0°±0.2°、20.8°±0.2°、22.1°±0.2°处有特征峰,
Figure PCTCN2022103775-appb-000004
10.根据上述9所述的晶型C,其X射线粉末衍射在2θ值为10.3°±0.2°、16.2°±0.2°、23.0°±0.2°中的一处或两处或三处有特征峰。
11.根据上述9或10所述的所述晶型C,其X射线粉末衍射在2θ值为10.3°±0.2°、16.2°±0.2°、23.0°±0.2°处有特征峰。
12上述9~11中任一项所述的晶型C的制备方法,其特征包括,
(1)在10~50℃下,将式(I)化合物固体置于烷基腈类、酮类、酰胺类溶剂氛围下进行气固扩散,得到晶型C;或
(2)在10~50℃下,将式(I)化合物固体加入至纯水、醇类、酮类、醚类、卤代烃类、烷烃类的混合溶剂中,悬浮搅拌,得到晶型C。
13.药物组合物,其包含上述1~3、5~7和9~11中任一项所述的晶体和制药学可接受的载体。
14.具有BTK抑制活性的药物组合物,其含有上述1~3、5~7和9~11中任一项所述的晶体作为有效成分。
15.多发性硬化症的治疗药,其含有上述1~3、5~7和9~11中任一项所述的晶体作为有效成分。
与现有技术相比,本发明提供的式(I)化合物晶型B、C、E,在溶解度、熔点、稳定性、溶出度、引湿性、黏附性、流动性、生物有效性以及加工性能、提纯作用、制剂生产、安全性等方面中的至少一方面上存在优势,为含式(I)化合物的药物制剂的制备提供了新的更好的选择,对于药物开发具有非常重要的意义。
附图说明
图1实施例1晶型B的XRPD图
图2实施例1晶型B的TGA图
图3实施例1晶型B的DSC图
图4实施例1晶型B的 1H NMR图
图5实施例3晶型B的XRPD图
图6晶型C的XRPD图
图7晶型C的TGA图
图8晶型C的DSC图
图9晶型C的 1H NMR图
图10晶型E的XRPD图
图11晶型E的TGA图
图12晶型E的DSC图
图13晶型E的 1H NMR图
图14不同晶型在FaSSIF中的溶解度曲线
图15不同晶型在FeSSIF中的溶解度曲线
图16不同晶型在纯水中的溶解度曲线
图17晶型B压片前后的XRPD对比图
图18晶型C压片前后的XRPD对比图
图19晶型E压片前后的XRPD对比图
图20晶型B在25℃/60%相对湿度条件下的XRPD对比图
图21晶型B在40℃/75%相对湿度条件下的XRPD对比图
图22晶型C在25℃/60%相对湿度条件下的XRPD对比图
图23晶型C在40℃/75%相对湿度条件下的XRPD对比图
图24晶型E在25℃/60%相对湿度条件下的XRPD对比图
图25晶型E在40℃/75%相对湿度条件下的XRPD对比图
图26晶型B的动态水分吸附图
图27晶型B测试动态水分吸附脱附前后的XRPD对比图
图28晶型C的动态水分吸附图
图29晶型C测试动态水分吸附脱附前后的XRPD对比图
图30晶型E的动态水分吸附图
图31晶型E测试动态水分吸附脱附前后的XRPD对比图
图32晶型B的PLM图
具体实施方式
晶型B
式(I)所示化合物(R)-1-(1-丙烯酰基哌啶-3-基)-4-氨基-3-(4-苯氧基苯基)-1H-咪唑并[4,5-c]吡啶-2(3H)-酮的B型晶体、即晶型B,其特征在于,使用Cu-Kα辐射,所述晶型B的X射线粉末衍射在2θ值为4.1°±0.2°、10.2°±0.2°和22.6°±0.2°处有特征峰,
Figure PCTCN2022103775-appb-000005
在本发明的一个实施方式中,所述晶型B的X射线粉末衍射在2θ值为8.2°±0.2°、16.5°±0.2°、17.7°±0.2°中的一处或两处或三处有特征峰。
在本发明的一个实施方式中,所述晶型B的X射线粉末衍射在2θ值为8.2°±0.2°、16.5°±0.2°、17.7°±0.2°处有特征峰。
在本发明的一个实施方式中,所述晶型B的X射线粉末衍射在2θ值为11.2°±0.2°、12.3°±0.2°、24.7°±0.2°中的一处或两处或三处有特征峰。
在本发明的一个实施方式中,所述晶型B的X射线粉末衍射在2θ值为11.2°±0.2°、12.3°±0.2°、24.7°±0.2°处有特征峰。
在本发明的一个实施方式中,所述晶型B的X射线粉末衍射在2θ值为4.1°±0.2°、8.2°±0.2°、10.2°±0.2°、11.2°±0.2°、12.3°±0.2°、16.5°±0.2°、17.7°±0.2°、22.6°±0.2°、24.7°±0.2°中的任意4处、或5处、或6处、或7处、或8处、或9处有特征峰。
在本发明的一个实施方式中,所述晶型B的X射线粉末衍射在2θ值为4.1°±0.2°、8.2°±0.2°、10.2°±0.2°、11.2°±0.2°、12.3°±0.2°、16.5°±0.2°、17.7°±0.2°、22.6°±0.2°、24.7°±0.2°处有特征峰。
在本发明的一个实施方式中,所述晶型B的X射线粉末衍射图如图1或图5所示。
所述的晶型B的制备方法,其特征包括,
(1)将式(I)化合物溶解于酮类溶剂中,将溶液挥发,收集固体。将前述固体加热至110℃,继而降温,得到晶型B。
在本发明的一个实施方式中,所述酮类溶剂为丙酮。
在本发明的一个实施方式中,所述溶解温度为10~50℃,例如20~30℃。
在本发明的一个实施方式中,所述挥发温度为-5~10℃,例如5℃。
在本发明的一个实施方式中,所述加热速率为10~40℃/分钟,例如10℃/分钟。
在本发明的一个实施方式中,所述降温为温度降至20~40℃,例如30℃。
(2)将式(I)化合物溶解于酯类溶剂中,将溶液挥发,直至固体析出,得到晶型B。
在本发明的一个实施方式中,所述酯类溶剂为乙酸乙酯。
在本发明的一个实施方式中,所述溶解温度为10~50℃,例如20~30℃。
在本发明的一个实施方式中,所述挥发温度为-5~10℃,例如5℃。
晶型E
式(I)所示化合物(R)-1-(1-丙烯酰基哌啶-3-基)-4-氨基-3-(4-苯氧基苯基)-1H-咪唑并[4,5-c]吡啶-2(3H)-酮的E型晶体、即晶型E,其特征在于,使用Cu-Kα辐射,所述晶型E的X射线粉末衍射在2θ值为7.6°±0.2°、12.0°±0.2°、22.8°±0.2°处有特征峰,
Figure PCTCN2022103775-appb-000006
在本发明的一个实施方式中,所述晶型E的X射线粉末衍射在2θ值为10.9°±0.2°、16.1°±0.2°、18.7°±0.2°中的一处或两处或三处有特征峰。
在本发明的一个实施方式中,所述晶型E的X射线粉末衍射在2θ值为10.9°±0.2°、16.1°±0.2°、18.7°±0.2°处有特征峰。
在本发明的一个实施方式中,所述晶型E的X射线粉末衍射在2θ值为13.6°±0.2°、20.1°±0.2°、23.7°±0.2°中的一处或两处或三处有特征峰。
在本发明的一个实施方式中,所述晶型E的X射线粉末衍射在2θ值为13.6°±0.2°、20.1°±0.2°、23.7°±0.2°处有特征峰。
在本发明的一个实施方式中,所述晶型E的X射线粉末衍射在2θ值为7.6°±0.2°、10.9°±0.2°、12.0°±0.2°、13.6°±0.2°、16.1°±0.2°、18.7°±0.2°、20.1°±0.2°、22.8°±0.2°、23.7°±0.2°中的任意4处、或5处、或6处、或7处、或8处、或9处有特征峰。
在本发明的一个实施方式中,所述晶型E的X射线粉末衍射在2θ值为7.6°±0.2°、10.9°±0.2°、12.0°±0.2°、13.6°±0.2°、16.1°±0.2°、18.7°±0.2°、20.1°±0.2°、22.8°±0.2°、23.7°±0.2°处有特征峰。
在本发明的一个实施方式中,所述晶型E的X射线粉末衍射图如图10所示。
所述的晶型E的制备方法,其特征包括,
(1)将式(I)化合物固体溶解于芳香烃类溶剂中,将溶液挥发,直至固体析出;将前述固体加热至148~158℃,继而降温,得到晶型E。
在本发明的一个实施方式中,所述芳香烃类溶剂为甲苯。
在本发明的一个实施方式中,所述挥发温度为0~10℃,例如5℃。
在本发明的一个实施方式中,所述加热速率为10~30℃/分钟,例如10℃/分钟。
在本发明的一个实施方式中,所述加热温度为加热至148~158℃,例如152℃。
在本发明的一个实施方式中,所述降温为降温至20~40℃,例如40℃。
(2)将式(I)化合物固体与晶型E固体加入至酯类、烷烃类的混合溶剂中,悬浮搅拌,得到晶型E。
在本发明的一个实施方式中,所述酯类溶剂为乙酸乙酯,所述烷烃类溶剂为正庚烷;所述乙酸乙酯/正庚烷的体积比为1:1~4,例如1:2。
在本发明的一个实施方式中,所述式(I)化合物固体形式为晶型B。
在本发明的一个实施方式中,所述悬浮搅拌的温度为30~60℃,例如50℃。
在本发明的一个实施方式中,所述悬浮搅拌的时间为1~3天,例如1天。
晶型C
式(I)所示化合物(R)-1-(1-丙烯酰基哌啶-3-基)-4-氨基-3-(4-苯氧基苯基)-1H-咪唑并[4,5-c]吡啶-2(3H)-酮的C型晶体、即晶型C,其特征在于,使用Cu-Kα辐射,所述晶型C的X射线粉末衍射在2θ值为11.0°±0.2°、20.8°±0.2°和22.1°±0.2°处有特征峰,
Figure PCTCN2022103775-appb-000007
在本发明的一个实施方式中,所述晶型C的X射线粉末衍射在2θ值为10.3°±0.2°、16.2°±0.2°、23.0°±0.2°中的一处或两处或三处有特征峰。
在本发明的一个实施方式中,所述晶型C的X射线粉末衍射在2θ值为10.3°±0.2°、16.2°±0.2°、23.0°±0.2°处有特征峰。
在本发明的一个实施方式中,所述晶型C的X射线粉末衍射在2θ值为8.3°±0.2°、24.0°±0.2°、25.2°±0.2°中的一处或两处或三处有特征峰。
在本发明的一个实施方式中,所述晶型C的X射线粉末衍射在2θ值为8.3°±0.2°、24.0°±0.2°、25.2°±0.2°处有特征峰。
在本发明的一个实施方式中,所述晶型C的X射线粉末衍射在2θ值为8.3°±0.2°、10.3°±0.2°、11.0°±0.2°、16.2°±0.2°、20.8°±0.2°、22.1°±0.2°、23.0°±0.2°、24.0°±0.2°、25.2°±0.2°中的任意4处、或5处、或6处、或7处、或8处、或9处有特征峰。
在本发明的一个实施方式中,所述晶型C的X射线粉末衍射在2θ值为8.3°±0.2°、10.3°±0.2°、11.0°±0.2°、16.2°±0.2°、20.8°±0.2°、22.1°±0.2°、23.0°±0.2°、24.0°±0.2°、25.2°±0.2°处有特征峰。
在本发明的一个实施方式中,所述晶型C的X射线粉末衍射图如图6所示。
所述的晶型C的制备方法,其特征包括,
(1)将式(I)化合物固体置于烷基腈类、酮类、酰胺类溶剂氛围下进行气固扩散,得到晶型C。
在本发明的一个实施方式中,所述烷基腈类溶剂为乙腈,酮类溶剂为丙酮,酰胺类溶剂为N,N-二甲基甲酰胺。
在本发明的一个实施方式中,所述气固扩散温度为10~50℃,例如20~30℃。
在本发明的一个实施方式中,所述式(I)化合物固体为晶型B。
在本发明的一个实施方式中,所述气固扩散的时间为5~14天,例如7天。
(2)将式(I)化合物固体加入至纯水、醇类、酮类、醚类、卤代烃类、烷烃类的混合溶剂中,悬浮搅拌,得到晶型C。
在本发明的一个实施方式中,所述式(I)化合物固体为晶型B。
在本发明的一个实施方式中,所述混合溶剂为甲醇/纯水、丙酮/纯水、2-甲基四氢呋喃/正庚烷、二氯甲烷/环己烷。
在本发明的一个实施方式中,所述甲醇/纯水的体积比为1:1~4,例如1:2;丙酮/纯水的体积比为1:1~4,例如1:2;2-甲基四氢呋喃/正庚烷的体积比为1:1~4,例如1:2;二氯甲烷/环己烷的体积比为1:1~4,例如1:2。
在本发明的一个实施方式中,所述悬浮搅拌的温度为-25~50℃,例如20~30℃,或-20℃。
在本发明的一个实施方式中,所述悬浮搅拌的时间为5~14天,例如7天。
根据本发明,作为原料的所述式(I)化合物指其固体(晶体或无定形)、半固体、蜡或油形式。优选地,作为原料的式(I)化合物为固体粉末形式。所述“搅拌”,采用本领域的常规方法完成,例如磁力搅拌或机械搅拌,搅拌速度为50~1800转/分钟,其中,磁力搅拌200~1500转/分钟,优选为300~1000转/分钟,机械搅拌优选为100~300转/分钟。
上述本发明的晶体可以用于制备药物组合物,在制备药物组合物时含有上述本发明的晶体和制药学可接受的载体。上述本发明的晶体可以用于制备具有BTK抑制活性的药物组合物,其包含上述本发明的晶体作为有效成分。上述本发明的晶体可以用于制备多发性硬化症的预防药或治疗药,其包含上述本发明的晶体作为有效成分。
本发明还提供药物组合物,其包含上述本发明的晶体和制药学可接受的载体。
本发明还提供具有BTK抑制活性的药物组合物,其含有上述本发明的晶体作为有效成分。
本发明提供多发性硬化症的预防药或治疗药,其含有上述本发明的晶体作为有效成分。
本发明中,“晶体”或“多晶型”指的是被所示的X射线衍射图表征所证实的。本领域技术人员能够理解,这里所讨论的理化性质可以被表征,其中的实验误差取决于仪器的条件、样品的准备和样品的纯度。特别是,本领域技术人员公知,X射线衍射图通常会随着仪器的条件而有所改变。特别需要指出的是,X射线衍射图的相对强度也可能随着实验条件的变化而变化,所以峰强度的顺序不能作为唯一或决定性因素。事实上,X射线衍射图中衍射峰的相对强度与晶体的择优取向有关,本文所示的峰强度为说明性而非用于绝对比较。另外,峰角度的实验误差通常在5%或更少,这些角度的误差也应该被考虑进去,通常允许 有±0.2°的误差。另外,由于样品厚度等实验因素的影响,会造成峰角度的整体偏移,通常允许一定的偏移。因而,本领域技术人员可以理解的是,本发明中一个晶型的X射线衍射图不必和这里所指的例子中的X射线衍射图完全一致,本文所述“X射线衍射图相同”并非指绝对相同,相同峰位置可相差±0.2°且峰强度允许一定可变性。任何具有和这些图谱中的特征峰相同或相似的图的晶型均属于本发明的范畴之内。本领域技术人员能够将本发明所列的图谱和一个未知晶型的图谱相比较,以证实这两组图谱反映的是相同还是不同的晶型。
在一些实施方案中,本发明的晶型B、C、E是纯的、单一的,基本没有混合任何其他晶型。本发明中,“基本没有”当用来指新晶型时指这个晶型含有少于20%(重量)的其他晶型,尤其指少于10%(重量)的其他晶型,更指少于5%(重量)的其他晶型,更指少于1%(重量)的其他晶型。需要说明的是,本发明中提及的数值及数值范围不应被狭隘地理解为数值或数值范围本身,本领域技术人员应当理解其可以根据具体技术环境的不同,在不背离本发明精神和原则的基础上围绕具体数值有所浮动,本发明中,这种本领域技术人员可预见的浮动范围多以术语“约”来表示。
本发明说明书中记载的数值范围的上限值和下限值可以任意地组合。
实施例
以下将通过具体实施例进一步阐述本发明,但并不用于限制本发明的保护范围。本领域技术人员可在权利要求范围内对制备方法和使用仪器作出改进,这些改进也应视为本发明的保护范围。因此,本发明专利的保护范围应以所附权利要求为准。
本发明中“室温”如果没有特别说明,通常是指22℃到28℃。
本发明中所用到的缩写的解释如下:
XRPD:X射线粉末衍射
DSC:差示扫描量热分析
TGA:热重分析
1H NMR:核磁共振氢谱
DVS:动态水分吸附
PSD:粒径分布
PLM:偏光显微镜
HPLC:高效液相色谱
本发明所述的X射线粉末衍射图在Panalytical(帕纳科)公司的Empyrean型及X'Pert 3型X射线粉末衍射仪上采集。本发明所述的X射线粉末衍射的方法参数如下:
X射线光源:Cu,Kα
Figure PCTCN2022103775-appb-000008
1.54060;
Figure PCTCN2022103775-appb-000009
1.54443
Kα2/Kα1强度比例:0.50
电压:45千伏特(kV)
电流:40毫安培(mA)
扫描范围:自3.0至40.0度(2θ角)
本发明所述的差示扫描量热分析图在TA公司的Q200型及Discovery DSC 2500型差示扫描量热仪上采集。本发明所述的差示扫描量热分析的方法参数如下:
扫描速率:10℃/分钟
保护气体:氮气
本发明所述的热重分析图在TA公司的Discovery TGA 5500型及Q5000型热重分析仪上采集。本发明所述的热重分析的方法参数如下:
扫描速率:10℃/分钟
保护气体:氮气
本发明所述的核磁共振氢谱数据( 1H NMR)采自于Bruker Avance II DMX 400M HZ核磁共振波谱仪。称量1-5mg样品,用0.5mL氘代二甲亚砜溶解,配制成2-10mg/mL的溶液进行测试。
本发明所述的动态水分吸附图在SMS公司的Intrinsic型及Intrinsic Plus型动态水分吸附仪上采集。本发明所述的动态水分吸附测试的方法参数如下:
温度:25℃
保护气体及流量:N 2,200毫升/分钟
dm/dt:0.002%/分钟
最小dm/dt平衡时间:10分钟
最大平衡时间:180分钟
相对湿度范围:0%RH-95%RH-0%RH
相对湿度梯度:10%(0%RH-90%RH-0%RH)、5%(90%RH-95%RH和95%RH-90%RH)
本发明中所述的粒径分布结果是在Microtrac公司的S3500型激光粒度分析仪上采集。Microtrac S3500配备SDC(Sample Delivery Controller)进样系统。本测试采用湿法,测试分散介质为Isopar G(含0.2%卵磷脂)。所述的激光粒度分析仪的方法参数如下:
粒度分布:体积分布 采集时间:10秒
分散介质:Isopar G 粒度坐标:标准
采集次数:3次 分散介质折射率:1.42
透明度:透明 残差:启用
颗粒折射率:1.59 流速:60%*
颗粒形状:不规则 过滤:启用
超声功率:30瓦 超声时间:超声30s
*:流速60%为65mL/s的60%
本发明中所述的固有溶出速率数据是在Agilent公司的Agilent 708DS型溶出仪上采集。所述的固有溶出测试条件如下:
溶出仪 Agilent 708DS
方法 桨法
介质 pH 6.8磷酸盐缓冲液
介质体积 900mL
转速 100rpm
介质温度 37℃
取样点 1,2,3,4,5,10,15,20,25,30min
补充介质 No
本发明中所述的偏光显微镜照片是通过蔡司显微镜Axio Scope.A1在室温条件下采集,显微镜配备Axiocam 305彩色相机以及5×、10×、20×和50×物镜。
下述实施例中所使用的式(I)起始物可根据现有技术制备得到,例如根据专利WO2016196840A1中所记载的方法制备获得,但起始晶型并非制备本发明晶型的限定条件。
实施例1:晶型B的制备
室温条件下称取50.1毫克的式(I)化合物固体置于3毫升的玻璃小瓶中,加入2.0毫升丙酮以得到澄清溶液。使用0.45微米孔径的聚四氟乙烯滤膜将样品溶液过滤至新的3毫升玻璃小瓶中,然后敞口置于预盛有4毫升聚乙二醇400的20毫升玻璃瓶中。封口后置于5℃条件下约11天时间,固体析出。收集固体,置于室温真空干燥约8小时。
室温条件下称取适量的前述固体置于DSC坩埚中,以10℃/分钟的速率加热至110℃,并保温10分钟,继而以30℃/分钟的速率降温至30℃,得到晶型B,其X射线粉末衍射数据如表1所示。该样品在约4.1°±0.2°、约8.2°±0.2°、约10.2°±0.2°、约10.7°±0.2°、约11.2°±0.2°、约12.3°±0.2°、约16.5°±0.2°、约17.7°±0.2°、约20.7°±0.2°、约22.6°±0.2°、约24.7°±0.2°处有特征峰。其XRPD图如图1所示,TGA、DSC、 1H NMR分别如图2~4所示。
表1
衍射角2θ d值 强度%
4.11 21.52 98.69
8.22 10.76 48.61
10.19 8.68 100.00
10.74 8.24 19.47
11.23 7.88 50.32
12.35 7.17 22.48
12.68 6.98 3.75
13.52 6.55 8.12
14.55 6.09 1.58
15.52 5.71 21.12
15.70 5.64 11.76
16.53 5.36 50.89
17.74 5.00 22.12
18.92 4.69 1.29
19.98 4.44 5.50
20.46 4.34 73.05
20.66 4.30 96.33
衍射角2θ d值 强度%
21.15 4.20 18.76
22.60 3.93 98.69
23.31 3.82 7.33
23.60 3.77 8.36
24.68 3.61 30.96
25.10 3.55 5.91
25.56 3.48 8.13
26.30 3.39 1.94
27.05 3.30 4.62
27.24 3.27 7.39
27.56 3.24 2.47
29.06 3.07 2.00
29.51 3.03 1.24
30.20 2.96 1.63
30.93 2.89 6.50
31.47 2.84 4.27
31.88 2.81 2.30
32.26 2.77 1.20
32.61 2.75 2.50
33.52 2.67 1.38
34.46 2.60 0.73
35.54 2.53 1.50
36.95 2.43 1.39
37.67 2.39 3.85
38.66 2.33 0.57
实施例2:晶型B的制备
室温条件下称取19.3毫克的式(I)化合物固体置于3毫升的玻璃小瓶中,加入1.0毫升乙酸乙酯以得到澄清溶液。使用0.45微米孔径的聚四氟乙烯滤膜将样品溶液过滤至新的3毫升玻璃小瓶中,然后敞口置于预盛有4毫升聚乙二醇400的20毫升玻璃瓶中。封口后置于5℃条件下约13天时间,固体析出,得到晶型B。其X射线粉末衍射数据如表2所示。
表2
衍射角2θ d值 强度%
4.11 21.52 100.00
8.22 10.76 36.48
衍射角2θ d值 强度%
10.18 8.69 32.44
10.70 8.26 9.06
11.21 7.89 20.62
12.32 7.18 12.90
12.51 7.08 5.35
15.60 5.68 16.24
16.52 5.37 31.21
17.70 5.01 30.24
20.14 4.41 5.72
20.41 4.35 21.37
20.70 4.29 49.76
22.58 3.94 41.80
23.30 3.81 5.59
23.62 3.76 5.02
24.68 3.60 4.33
25.13 3.54 1.92
实施例3:晶型B的制备
室温条件下称取1.0克的式(I)化合物固体置于20毫升的玻璃小瓶中,加入10毫升丙酮以得到澄清溶液。使用0.45微米孔径的聚四氟乙烯滤膜将样品溶液过滤至新的20毫升玻璃小瓶中,然后敞口置于预盛有20毫升聚乙二醇400的100毫升玻璃瓶中。封口后置于5℃条件下约7天时间,固体析出。将固体置于50毫升的三口圆底烧瓶中,氮气气氛下加热至110℃,并保温10分钟,继而降温至室温,得到固体。将固体分散在10毫升丙酮中,抽滤分离固体,并置于50℃真空干燥1小时,得到晶型B。其XRPD图如图5所示,X射线粉末衍射数据如表3所示。
表3
衍射角2θ d值 强度%
4.11 21.52 100.00
8.22 10.76 26.49
10.17 8.69 20.62
10.74 8.24 8.05
11.21 7.89 14.60
12.36 7.16 10.56
13.51 6.55 3.89
15.51 5.71 12.34
16.53 5.36 26.34
衍射角2θ d值 强度%
17.73 5.00 18.96
20.44 4.35 25.82
20.67 4.30 43.02
21.15 4.20 6.49
22.58 3.94 29.77
23.29 3.82 6.69
23.59 3.77 13.23
24.66 3.61 9.36
25.11 3.55 4.92
25.56 3.49 5.67
26.23 3.40 1.80
27.04 3.30 6.63
29.52 3.03 1.87
30.20 2.96 1.09
30.72 2.91 2.78
31.88 2.81 3.50
34.54 2.60 1.19
35.54 2.53 2.69
37.71 2.39 1.91
实施例4:晶型E的制备(低温挥发-DSC加热法)
室温条件下称取24.2毫克的式(I)化合物固体置于3毫升的玻璃小瓶中,加入1毫升甲苯溶解固体。使用0.45微米孔径的聚四氟乙烯滤膜将样品溶液过滤至新的3毫升小瓶中,然后敞口置于预盛有3毫升PEG-400的20毫升玻璃瓶内。封口后置于5℃条件下约40天时间,析出固体。取出3毫升玻璃小瓶,敞口置于室温条件下过夜,收集固体。
室温条件下称取适量的上述固体置于DSC坩埚中,以10℃/分钟的速率加热至152℃,并保温5分钟,降温至40℃并暴露至空气中,得到晶型E。其X射线粉末衍射数据如表4所示。
表4
衍射角2θ d值 强度%
7.64 11.57 47.48
7.85 11.27 14.52
10.02 8.83 6.72
10.51 8.42 12.18
10.97 8.07 54.53
11.99 7.38 52.49
衍射角2θ d值 强度%
13.18 6.72 12.98
13.61 6.51 28.84
13.98 6.33 15.83
15.02 5.90 9.91
15.46 5.73 17.27
15.78 5.62 12.88
16.08 5.51 37.07
18.42 4.82 42.13
18.69 4.75 47.75
19.24 4.61 6.01
20.11 4.42 28.77
20.79 4.27 10.18
21.33 4.17 22.76
21.61 4.11 11.81
22.29 3.99 8.27
22.77 3.91 100.00
23.66 3.76 28.89
23.79 3.74 32.23
24.12 3.69 10.21
24.42 3.65 12.64
24.79 3.59 24.07
26.27 3.39 7.66
27.45 3.25 7.83
27.75 3.21 5.35
28.24 3.16 1.80
28.88 3.09 5.64
30.33 2.95 10.75
31.04 2.88 3.02
32.38 2.77 5.93
33.47 2.68 1.49
34.07 2.63 3.31
34.91 2.57 1.46
36.10 2.49 1.46
36.86 2.44 1.45
实施例5:晶型E的制备(悬浮搅拌法)
室温条件下称取28.5毫克的实施例3晶型B样品置于3毫升的玻璃小瓶中,加入2毫升乙酸乙酯和正庚烷的混合溶剂(1:2,体积比)得到悬浮液。加入约2毫克实施例4固体,封口后,将样品置于50℃条件下悬浮搅拌(500转/分钟)过夜,得到晶型E。其X射线粉末衍射数据如表5所示。该样品在约7.6°±0.2°、约10.9°±0.2°、约12.0°±0.2°、约13.6°±0.2°、约16.1°±0.2°、约18.7°±0.2°、约20.1°±0.2°、约21.3°±0.2°、约22.8°±0.2°、约23.7°±0.2°、约24.8°±0.2°处有特征峰。其XRPD、TGA、DSC、 1H NMR分别如图10~13所示。
表5
衍射角2θ d值 强度%
7.63 11.59 60.75
10.01 8.84 7.69
10.48 8.44 12.12
10.95 8.08 70.26
11.98 7.39 73.54
13.18 6.72 20.47
13.58 6.52 42.60
13.96 6.34 23.06
15.01 5.90 8.75
15.45 5.73 18.89
16.06 5.52 49.57
17.30 5.13 3.39
18.42 4.82 60.95
18.70 4.75 60.15
19.20 4.62 8.21
20.08 4.42 29.72
20.79 4.27 13.01
21.34 4.16 21.45
21.58 4.12 14.14
22.25 4.00 9.66
22.77 3.91 100.00
23.71 3.75 35.22
24.82 3.59 27.86
26.26 3.39 8.46
27.42 3.25 7.29
27.75 3.22 5.85
28.88 3.09 6.18
衍射角2θ d值 强度%
29.13 3.07 5.85
30.31 2.95 10.82
32.39 2.76 6.20
34.04 2.63 3.61
36.13 2.49 1.52
36.88 2.44 1.98
实施例6~8:晶型C的制备(气液扩散法)
室温条件下称取适量的实施例3晶型B样品置于3毫升的玻璃小瓶中,然后敞口置于预盛有4毫升相应溶剂的20毫升玻璃瓶中。封口后置于室温条件下约7天时间,得到晶型C。
本实施例中所涉详细试验条件如表6所示,实施例7样品的X射线粉末衍射数据如表7所示。
表6
实施例 质量(毫克) 溶剂
6 9.3 乙腈
7 9.5 丙酮
8 9.4 N,N-二甲基甲酰胺
表7
衍射角2θ d值 强度%
4.14 21.34 2.11
8.34 10.61 4.66
10.34 8.55 49.04
10.96 8.07 100.00
13.16 6.73 7.56
16.18 5.48 10.35
17.67 5.02 16.02
19.00 4.67 3.91
20.54 4.32 66.64
20.86 4.26 68.05
21.60 4.11 9.59
22.10 4.02 30.21
23.00 3.87 15.89
24.06 3.70 9.79
24.99 3.56 7.91
25.32 3.52 12.08
衍射角2θ d值 强度%
27.19 3.28 2.43
29.50 3.03 1.38
31.18 2.87 7.34
32.73 2.74 2.61
34.67 2.59 1.12
实施例9~12:晶型C的制备(悬浮搅拌法)
室温条件下称取适量的实施例3晶型B样品置于1.5毫升的玻璃小瓶中,加入0.5毫升相应的溶剂得到悬浮液。将样品置于室温或-20℃条件下悬浮搅拌(500转/分钟)约7天时间,得到晶型C。
本实施例中所涉详细试验条件如表8所示。实施例10样品的X射线粉末衍射数据如表9所示。该样品在约8.3°±0.2°、约10.3°±0.2°、约11.0°±0.2°、约16.2°±0.2°、约17.6°±0.2°、约20.5°±0.2°、约20.8°±0.2°、约21.6°±0.2°、约22.1°±0.2°、约23.0°±0.2°、约24.0°±0.2°、约25.2°±0.2°处有特征峰。其XRPD图如图6所示,TGA、DSC、 1H NMR分别如图7~9所示。
表8
实施例 质量(毫克) 溶剂(体积比) 条件
9 9.2 甲醇/纯水(1:2) 室温
10 9.4 丙酮/纯水(1:2) 室温
11 10.5 2-甲基四氢呋喃/正庚烷(1:2) 室温
12 10.1 二氯甲烷/环己烷(1:2) -20℃
表9
衍射角2θ d值 强度%
4.15 21.29 22.20
8.34 10.60 14.54
10.33 8.56 19.03
10.96 8.07 67.51
13.16 6.73 9.15
14.27 6.21 15.31
14.69 6.03 15.93
15.46 5.73 9.83
16.17 5.48 29.97
16.46 5.39 34.46
17.60 5.04 100.00
18.97 4.68 19.99
19.38 4.58 15.28
衍射角2θ d值 强度%
20.49 4.33 31.10
20.81 4.27 28.27
21.57 4.12 42.39
22.09 4.02 29.22
22.96 3.87 21.49
23.71 3.75 26.88
24.05 3.70 15.08
24.89 3.58 20.04
25.23 3.53 26.48
25.81 3.45 7.91
27.17 3.28 6.44
29.25 3.05 2.25
31.05 2.88 6.47
32.24 2.78 3.83
34.63 2.59 3.68
35.80 2.51 2.12
实施例13:晶型的溶解度
将本发明晶型B、晶型C和晶型E用FaSSIF(空腹状态下人工肠液)、FeSSIF(饱食状态下人工肠液)和纯水分别配制成悬浊液,在1小时、2小时、4小时和24小时平衡后过滤,得到饱和溶液。通过高效液相色谱法(HPLC)测定饱和溶液中样品的含量。试验结果如表10所示,溶解度曲线分别如图14~16所示。试验结果显示,本发明晶型B、晶型C和晶型E在FaSSIF、FeSSIF和纯水中具有较好的溶解度。
表10
Figure PCTCN2022103775-appb-000010
Figure PCTCN2022103775-appb-000011
实施例14:晶型的可压性
采用手动压片机进行压片,压片时,选择可以压制成圆柱体片剂的圆形平冲,分别加入一定量的本发明晶型B、晶型C和晶型E,采用10kN压力压制成圆形片剂,放置于干燥器中24小时,待完全弹性复原后采用片剂硬度测定仪测试其径向破碎力(硬度,H)。采用游标卡尺测量片剂的直径(D)和厚度(L),利用公式T=2H/πDL计算出不同硬度下粉体的抗张强度。试验结果如表11所示,晶型B压片前后的XRPD对比图如图17所示,晶型C压片前后的XRPD对比图如图18所示,晶型E压片前后的XRPD对比图如图19所示。如在一定的压力下,抗张强度越大的,表示其可压性越好。试验结果显示,本发明晶型B、晶型C和晶型E具有较大的抗张强度,说明具有较优的可压性。
表11
晶型 直径(毫米) 厚度(毫米) 硬度(牛) 抗张强度(兆帕)
晶型B 6.10 2.70 128.71 4.98
晶型C 6.04 2.80 34.65 1.30
晶型E 6.08 2.90 47.18 1.70
实施例15:晶型的累积溶出速率
称取本发明晶型B、晶型C和晶型E各约100mg,倒入固有溶出模具,在5kN压力下持续1min,制成表面积0.5cm 2的薄片,取完整压片转移至溶出仪测试固有溶出速率,根据10~30min之间的测定点计算斜率,以mg/mL表示,根据斜率进一步计算固有溶出速率(Intrinsic dissolution rate,IDR),以mg/min/cm 2表示。本发明晶型B、晶型C和晶型E具有较快的累积溶出速率。
实施例16:稳定性对比研究
称取本发明晶型B(起始纯度98.80%)、晶型C(起始纯度95.92%)和晶型E(起始纯度99.02%)各约15mg,分别敞口放置于25℃/60%RH和40℃/75%RH条件的稳定箱中,在1周、2周、4周和8周后取样测XRPD和HPLC。试验结果如表所示,晶型B的稳定性如图20~21所示,晶型C的稳定性如图22~23所示,晶型E的稳定性如图24~25所示。试验结果显示,本发明晶型A、晶型C、晶型E具有较好的物理稳定性。
表12
Figure PCTCN2022103775-appb-000012
Figure PCTCN2022103775-appb-000013
*相对纯度=测试样品HPLC纯度/起始样品HPLC纯度×100%
实施例17:引湿性对比研究
称取本发明晶型B、晶型C和晶型E各约10mg进行动态水分吸附(DVS)测试,然后取样测XRPD。试验结果如表13所示,晶型B的DVS如图26所示,晶型B测试DVS前后的XRPD对比图如图27所示;晶型C的DVS如图28所示,晶型C测试DVS前后的XRPD对比图如图29所示;晶型E的DVS如图30所示,晶型E测试DVS前后的XRPD对比图如图31所示。试验结果显示,本发明晶型B、晶型C和晶型E具有较低的引湿性。
表13
起始晶型 80%相对湿度的增重 引湿性 DVS测试后晶型
晶型B 0.9549% 略有引湿性 晶型B
晶型C 0.6726% 略有引湿性 晶型C
晶型E 0.3625% 略有引湿性 晶型E
关于引湿性特征描述与引湿性增重的界定(中国药典2020年版四部药物引湿性试验指导原则):
潮解:吸收足量水分形成液体
极具引湿性:引湿增重不小于15%
有引湿性:引湿增重小于15%但不小于2%
略有引湿性:引湿增重小于2%但不小于0.2%
无或几乎无引湿性:引湿增重小于0.2%
实施例18:晶习对比研究
称取本发明晶型B约10mg,分别置于载玻片上,滴加少许真空硅油分散样品,然后盖上盖玻片,置于偏光显微镜下观察。晶型B的PLM图如图32所示。试验结果显示,本发明晶型晶型B具有较优的晶习。
实施例19:粒径分布对比研究
称取本发明晶型B、晶型C和晶型E各约10-30mg,然后加入约5mL Isopar G(含有0.2%卵磷脂),将待测样品充分混合均匀后加入SDC进样系统中,使遮光度达到合适范围,开始实验,超声30秒后进行粒径分布的测试。本发明晶型B、晶型C和晶型E具有较均匀的粒径分布。
实施例20:黏附性对比研究
称取本发明晶型C和晶型E各约100mg,然后加入到6mm圆形平冲中,采用10kN的压力进行压片处理,压片后停留约半分钟,记录最后制成片剂的质量,并计算压制过程中的黏附量,试验结果如表14所示。试验结果显示,本发明晶型C和晶型E较不易黏附。
表14
晶型 压片前质量(毫克) 压片后质量(毫克) 黏附量
晶型C 100.0 98.8 1.2
晶型E 100.3 99.4 0.9
上述实施例只为说明本发明的技术构思及特点,其目的在于让熟悉此项技术的人士能够了解本发明的内容并据以实施,并不能以此限制本发明的保护范围。凡根据本发明精神实质所作的等效变化或修饰,都应涵盖在本发明的保护范围之内。

Claims (15)

  1. 式(I)所示化合物(R)-1-(1-丙烯酰基哌啶-3-基)-4-氨基-3-(4-苯氧基苯基)-1H-咪唑并[4,5-c]吡啶-2(3H)-酮的B型晶体、即晶型B,其特征在于,使用Cu-Kα辐射,所述晶型B的X射线粉末衍射在2θ值为4.1°±0.2°、10.2°±0.2°、22.6°±0.2°处有特征峰,
    Figure PCTCN2022103775-appb-100001
  2. 根据权利要求1所述的晶型B,其X射线粉末衍射在2θ值为8.2°±0.2°、16.5°±0.2°、17.7°±0.2°中的一处或两处或三处有特征峰。
  3. 根据权利要求1或2所述的所述晶型B,其X射线粉末衍射在2θ值为8.2°±0.2°、16.5°±0.2°、17.7°±0.2°处有特征峰。
  4. 权利要求1~3中任一项所述的晶型B的制备方法,其特征包括,
    (1)在10~50℃下,将式(I)化合物溶解于酮类溶剂中,置于-5~10℃下析出固体,将前述固体加热至110℃,继而降温,得到晶型B;或
    (2)在10~50℃下,将式(I)化合物溶解于酯类溶剂中,置于-5~10℃下析出固体,得到晶型B。
  5. 式(I)所示化合物(R)-1-(1-丙烯酰基哌啶-3-基)-4-氨基-3-(4-苯氧基苯基)-1H-咪唑并[4,5-c]吡啶-2(3H)-酮的E型晶体、即晶型E,其特征在于,使用Cu-Kα辐射,所述晶型E的X射线粉末衍射在2θ值为7.6°±0.2°、12.0°±0.2°、22.8°±0.2°处有特征峰,
    Figure PCTCN2022103775-appb-100002
  6. 根据权利要求5所述的晶型E,其X射线粉末衍射在2θ值为10.9°±0.2°、16.1°±0.2°、18.7°±0.2°中的一处或两处或三处有特征峰。
  7. 根据权利要求5或6所述的所述晶型E,其X射线粉末衍射在2θ值为10.9°±0.2°、16.1°±0.2°、18.7°±0.2°处有特征峰。
  8. 权利要求5~7中任一项所述的晶型E的制备方法,其特征包括,
    (1)将式(I)化合物固体溶解于芳香烃类溶剂中,将溶液在0~10℃下挥发,直至固体析出;将前述固体加热至148~158℃,继而降温,得到晶型E。
    (2)将式(I)化合物固体与权利要求5或6所述的晶型E固体加入至酯类、烷烃类的混合溶剂中,在30~60℃下悬浮搅拌,得到晶型E。
  9. 式(I)所示化合物(R)-1-(1-丙烯酰基哌啶-3-基)-4-氨基-3-(4-苯氧基苯基)-1H-咪唑并[4,5-c]吡啶-2(3H)-酮的C型晶体、即晶型C,其特征在于,使用Cu-Kα辐射,所述晶型C的X射线粉末衍射在2θ值为11.0°±0.2°、20.8°±0.2°、22.1°±0.2°处有特征峰,
    Figure PCTCN2022103775-appb-100003
  10. 根据权利要求9所述的晶型C,其X射线粉末衍射在2θ值为10.3°±0.2°、16.2°±0.2°、23.0°±0.2°中的一处或两处或三处有特征峰。
  11. 根据权利要求9或10所述的所述晶型C,其X射线粉末衍射在2θ值为10.3°±0.2°、16.2°±0.2°、23.0°±0.2°处有特征峰。
  12. 权利要求9~11中任一项所述的晶型C的制备方法,其特征包括,
    (1)在10~50℃下,将式(I)化合物固体置于烷基腈类、酮类、酰胺类溶剂氛围下进行气固扩散,得到晶型C;或
    (2)在10~50℃下,将式(I)化合物固体加入至纯水、醇类、酮类、醚类、卤代烃类、烷烃类的混合溶剂中,悬浮搅拌,得到晶型C。
  13. 药物组合物,其包含权利要求1~3、5~7和9~11中任一项所述的晶体和制药学可接受的载体。
  14. 具有BTK抑制活性的药物组合物,其含有权利要求1~3、5~7和9~11中任一项所述的晶体作为有效成分。
  15. 多发性硬化症的治疗药,其含有权利要求1~3、5~7和9~11中任一项所述的晶体作为有效成分。
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