WO2023125904A1 - 氮杂环丁基烟酸类化合物的晶型及其制备方法 - Google Patents

氮杂环丁基烟酸类化合物的晶型及其制备方法 Download PDF

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WO2023125904A1
WO2023125904A1 PCT/CN2022/143827 CN2022143827W WO2023125904A1 WO 2023125904 A1 WO2023125904 A1 WO 2023125904A1 CN 2022143827 W CN2022143827 W CN 2022143827W WO 2023125904 A1 WO2023125904 A1 WO 2023125904A1
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crystal form
crystal
present
formula
compound
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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
    • A61K31/44Non condensed pyridines; Hydrogenated derivatives thereof
    • A61K31/4427Non condensed pyridines; Hydrogenated derivatives thereof containing further heterocyclic ring systems
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P1/00Drugs for disorders of the alimentary tract or the digestive system
    • A61P1/16Drugs for disorders of the alimentary tract or the digestive system for liver or gallbladder disorders, e.g. hepatoprotective agents, cholagogues, litholytics
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P3/00Drugs for disorders of the metabolism
    • A61P3/08Drugs for disorders of the metabolism for glucose homeostasis
    • A61P3/10Drugs for disorders of the metabolism for glucose homeostasis for hyperglycaemia, e.g. antidiabetics
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D413/00Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms
    • C07D413/14Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing three or more hetero rings

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  • the invention relates to the field of chemistry and medicine, in particular to a crystal form of azetidinine nicotinic acid compound and a preparation method thereof.
  • Farnesoid X receptor ⁇ is a typical type 2 nuclear receptor, which can activate genes when it binds to retinoic acid X receptors in the promoter region of target genes in the form of heterodimers.
  • FXR is expressed in the liver, throughout the gastrointestinal tract (including esophagus, stomach, duodenum, small intestine, colon), ovary, adrenal gland, and kidney.
  • FXR appears to be involved in paracrine and endocrine signaling through upregulation of fibroblast growth factor 15 (rodent) or 19 (monkey, human).
  • 5-(3-(2-chloro-4-((5-cyclopropyl-3-(2,6-dichlorophenyl)isoxazol-4-yl)methoxy)phenyl)-3- Hydroxyazetidinyl-1-yl) nicotinic acid is a novel and highly effective FXR agonist clinically used in primary sclerosing cholangitis, nonalcoholic steatohepatitis and primary biliary cirrhosis
  • the treatment its structural formula is as follows:
  • Patent WO2013007387A1 discloses the compound of formula (I) and its synthesis.
  • the disclosed synthesis method needs to be purified by silica gel chromatography.
  • the preparation method is cumbersome and will produce toxic and harmful waste liquid. A simpler and safer preparation method needs to be developed.
  • Patent WO2020172075A1 discloses the free crystal form (form I, form II and hydrate) and tromethamine salt crystal form (form I, form II, hydrate I, hydrate II, hydrate III, Hydrate IV, methanol solvate I, methanol solvate II, methanol solvate III, methyl tert-butyl ether solvate and ethanol solvate) and p-toluenesulfonate (Form I, Form II, Form III and hydrate).
  • the free form II is obtained by dissolving the compound of formula (I) in 4 times the volume of dimethyl sulfoxide, and then adding 40 times the volume of anti-solvent (acetic acid isopropyl ester, ethyl acetate or acetonitrile) and stirred at room temperature, or obtained by disproportionation of tromethamine salt in methanol/pure water system; free hydrate was obtained by disproportionation of tromethamine salt in water.
  • anti-solvent acetic acid isopropyl ester, ethyl acetate or acetonitrile
  • the present invention provides crystal forms E, B, D, K of the compound of formula (I) and a preparation method thereof.
  • a pharmaceutical composition comprising the crystal described in any one of 1, 3, 5 and 7 above and a pharmaceutically acceptable carrier.
  • a pharmaceutical composition having FXR agonistic activity comprising the crystal described in any one of 1, 3, 5 and 7 above as an active ingredient.
  • a therapeutic agent for primary sclerosing cholangitis, nonalcoholic steatohepatitis and primary biliary cirrhosis comprising the crystal described in any one of 1, 3, 5 and 7 above as an active ingredient.
  • the crystal forms E, B, D, K of the compound of formula (I) provided by the present invention have better solubility, melting point, stability, dissolution rate, hygroscopicity, adhesion, fluidity, bioavailability and
  • advantages in at least one aspect of processing performance, purification, preparation production, safety, etc. which provide a new and better choice for the preparation of pharmaceutical preparations containing compounds of formula (I), and are very important for drug development. significance.
  • the X-ray powder diffraction of the crystal form B has a 2 ⁇ value of 22.3° ⁇ 0.2°, 24.3° ⁇ 0.2°, 25.0° ⁇ 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 22.3° ⁇ 0.2°, 24.3° ⁇ 0.2°, and 25.0° ⁇ 0.2°.
  • the X-ray powder diffraction of the crystal form B has a 2 ⁇ value of 16.7 ⁇ 0.2°, 19.0° ⁇ 0.2°, 27.3° ⁇ 0.2° at one or two or three places Characteristic peaks.
  • the X-ray powder diffraction of the crystal form B has characteristic peaks at 2 ⁇ values of 16.7 ⁇ 0.2°, 19.0° ⁇ 0.2°, and 27.3° ⁇ 0.2°.
  • the X-ray powder diffraction of the crystal form B has a 2 ⁇ value of 8.3° ⁇ 0.2°, 16.0° ⁇ 0.2°, 16.7° ⁇ 0.2°, 19.0° ⁇ 0.2°, 22.3° ⁇ Any 4, or 5, or 6, or 7, or 8, or 9 of 0.2°, 24.3° ⁇ 0.2°, 25.0° ⁇ 0.2°, 26.1° ⁇ 0.2°, 27.3° ⁇ 0.2° There are characteristic peaks.
  • the X-ray powder diffraction of the crystal form B has a 2 ⁇ value of 8.3° ⁇ 0.2°, 16.0° ⁇ 0.2°, 16.7° ⁇ 0.2°, 19.0° ⁇ 0.2°, 22.3° ⁇ There are characteristic peaks at 0.2°, 24.3° ⁇ 0.2°, 25.0° ⁇ 0.2°, 26.1° ⁇ 0.2°, 27.3° ⁇ 0.2°.
  • the X-ray powder diffraction pattern of the crystal form B is shown in FIG. 1 .
  • the preparation method of the crystal form B is characterized in that,
  • the alcoholic solvent is ethanol.
  • the temperature of the suspension stirring and open storage is 10-50°C, for example, 20-30°C.
  • the suspension stirring time is 2-8 days, such as 4 days.
  • the open storage time is 1 to 6 days, such as 3 days.
  • the X-ray powder diffraction of the crystal form D has one or two or three 2 ⁇ values of 8.0° ⁇ 0.2°, 12.0° ⁇ 0.2°, 16.1° ⁇ 0.2° have characteristic peaks.
  • the X-ray powder diffraction of the crystal form D has characteristic peaks at 2 ⁇ values of 8.0° ⁇ 0.2°, 12.0° ⁇ 0.2°, and 16.1° ⁇ 0.2°.
  • the X-ray powder diffraction of the crystal form D has a 2 ⁇ value of 16.8 ⁇ 0.2°, 21.0° ⁇ 0.2°, 22.4° ⁇ 0.2° at one or two or three places Characteristic peaks.
  • the X-ray powder diffraction of the crystal form D has characteristic peaks at 2 ⁇ values of 16.8 ⁇ 0.2°, 21.0° ⁇ 0.2°, and 22.4° ⁇ 0.2°.
  • the X-ray powder diffraction of the crystal form D has a 2 ⁇ value of 5.6° ⁇ 0.2°, 8.0° ⁇ 0.2°, 10.4° ⁇ 0.2°, 12.0° ⁇ 0.2°, 16.1° ⁇ 0.2°, Any 4, or 5, or 6, or 7, or 8, or 9 of 0.2°, 16.8° ⁇ 0.2°, 21.0° ⁇ 0.2°, 22.4° ⁇ 0.2°, 24.2° ⁇ 0.2° There are characteristic peaks.
  • the X-ray powder diffraction of the crystal form D has a 2 ⁇ value of 5.6° ⁇ 0.2°, 8.0° ⁇ 0.2°, 10.4° ⁇ 0.2°, 12.0° ⁇ 0.2°, 16.1° ⁇ 0.2°, There are characteristic peaks at 0.2°, 16.8° ⁇ 0.2°, 21.0° ⁇ 0.2°, 22.4° ⁇ 0.2°, 24.2° ⁇ 0.2°.
  • the X-ray powder diffraction pattern of the crystal form D is shown in FIG. 5 .
  • the preparation method of the crystal form D is characterized in that,
  • the halogenated alkane solvent is dichloromethane.
  • the temperature of the suspension stirring and open storage is 10-50°C, for example, 20-30°C.
  • the suspension stirring time is 2-8 days, such as 4 days.
  • the open storage time is 1 to 6 days, such as 3 days.
  • the X-ray powder diffraction of the crystal form E has one or two or three 2 ⁇ values of 17.3° ⁇ 0.2°, 22.1° ⁇ 0.2°, and 25.4° ⁇ 0.2° have characteristic peaks.
  • the X-ray powder diffraction of the crystal form E has characteristic peaks at 2 ⁇ values of 17.3° ⁇ 0.2°, 22.1° ⁇ 0.2°, and 25.4° ⁇ 0.2°.
  • the X-ray powder diffraction of the crystal form E has a 2 ⁇ value of 13.9 ⁇ 0.2°, 14.8° ⁇ 0.2°, 28.1° ⁇ 0.2° at one or two or three places Characteristic peaks.
  • the X-ray powder diffraction of the crystal form E has characteristic peaks at 2 ⁇ values of 13.9 ⁇ 0.2°, 14.8° ⁇ 0.2°, and 28.1° ⁇ 0.2°.
  • the X-ray powder diffraction of the crystal form E has a 2 ⁇ value of 6.9° ⁇ 0.2°, 13.9° ⁇ 0.2°, 14.8° ⁇ 0.2°, 15.8° ⁇ 0.2°, 17.3° ⁇ 0.2° Any 4, or 5, or 6, or 7, or 8, or 9 of 0.2°, 22.1° ⁇ 0.2°, 25.4° ⁇ 0.2°, 25.9° ⁇ 0.2°, 28.1° ⁇ 0.2° There are characteristic peaks.
  • the X-ray powder diffraction of the crystal form E has a 2 ⁇ value of 6.9° ⁇ 0.2°, 13.9° ⁇ 0.2°, 14.8° ⁇ 0.2°, 15.8° ⁇ 0.2°, 17.3° ⁇ 0.2° There are characteristic peaks at 0.2°, 22.1° ⁇ 0.2°, 25.4° ⁇ 0.2°, 25.9° ⁇ 0.2°, 28.1° ⁇ 0.2°.
  • the X-ray powder diffraction pattern of the crystal form E is shown in FIG. 9 .
  • the preparation method of the crystal form E is characterized in that,
  • the mixed solvent is ethanol/tetrahydrofuran.
  • the volume ratio of ethanol/tetrahydrofuran is 2-8:1, such as 4:1.
  • the temperature of the suspension stirring is 30-60°C, for example, 50°C.
  • the temperature of the open storage is 10-50°C, for example, 20-30°C.
  • the suspension stirring time is 2-8 days, such as 4 days.
  • the open storage time is 1 to 6 days, such as 3 days.
  • the X-ray powder diffraction of the crystal form K has a 2 ⁇ value of 15.0° ⁇ 0.2°, 20.1° ⁇ 0.2°, 26.5° ⁇ 0.2° at one or two or three places have characteristic peaks.
  • the X-ray powder diffraction of the crystal form K has characteristic peaks at 2 ⁇ values of 15.0° ⁇ 0.2°, 20.1° ⁇ 0.2°, and 26.5° ⁇ 0.2°.
  • the X-ray powder diffraction of the crystal form K has a 2 ⁇ value of 15.8 ⁇ 0.2°, 16.7° ⁇ 0.2°, 24.9° ⁇ 0.2° at one or two or three places Characteristic peaks.
  • the X-ray powder diffraction of the crystal form K has characteristic peaks at 2 ⁇ values of 15.8 ⁇ 0.2°, 16.7° ⁇ 0.2°, and 24.9° ⁇ 0.2°.
  • the X-ray powder diffraction of the crystal form K has a 2 ⁇ value of 7.9° ⁇ 0.2°, 15.0° ⁇ 0.2°, 15.8° ⁇ 0.2°, 16.7° ⁇ 0.2°, 20.1° ⁇ 0.2° Any 4, or 5, or 6, or 7, or 8, or 9 of 0.2°, 22.4° ⁇ 0.2°, 23.7° ⁇ 0.2°, 24.9° ⁇ 0.2°, 26.5° ⁇ 0.2° There are characteristic peaks.
  • the X-ray powder diffraction of the crystal form K has a 2 ⁇ value of 7.9° ⁇ 0.2°, 15.0° ⁇ 0.2°, 15.8° ⁇ 0.2°, 16.7° ⁇ 0.2°, 20.1° ⁇ 0.2° There are characteristic peaks at 0.2°, 22.4° ⁇ 0.2°, 23.7° ⁇ 0.2°, 24.9° ⁇ 0.2°, 26.5° ⁇ 0.2°.
  • the X-ray powder diffraction pattern of the crystal form K is shown in FIG. 13 .
  • the preparation method of the crystal form K is characterized in that,
  • the solid compound of formula (I) is placed in an alcohol solvent atmosphere for gas-solid diffusion, and then the solid is left open, and the solid is collected and placed in a pure water atmosphere to continue gas-solid diffusion to obtain Form K.
  • the alcoholic solvent is methanol.
  • the temperature of the gas-solid diffusion and open storage is 10-50°C, for example, 20-30°C.
  • the gas-solid diffusion time of the solid in an alcohol solvent atmosphere is 10-20 days, for example, 15 days.
  • the open storage time is 1-3 days, such as 1 day.
  • the gas-solid diffusion time of the solid in a pure water atmosphere is 10-20 days, such as 12 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 crystals of the present invention can be used to prepare a pharmaceutical composition having FXR agonistic activity, which comprises the above-mentioned crystals of the present invention as active ingredients.
  • the above-mentioned crystals of the present invention can be used to prepare preventive or therapeutic drugs for primary sclerosing cholangitis, non-alcoholic steatohepatitis and primary biliary cirrhosis, which contain the above-mentioned crystals of the present invention as active ingredients.
  • 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 FXR agonistic 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 primary sclerosing cholangitis, nonalcoholic steatohepatitis, and primary biliary cirrhosis, which contains 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 the 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 form of the invention is pure, single, substantially free of 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 are collected at room temperature by Zeiss microscope Axio Scope.A1, and the microscope is equipped with Axiocam 305 color camera and 5 ⁇ , 10 ⁇ , 20 ⁇ and 50 ⁇ objective lenses.
  • Embodiment 1 Preparation of crystal form B (suspension stirring method)
  • Embodiment 2 Preparation of crystal form B (suspension stirring method)
  • the sample is at about 8.3° ⁇ 0.2°, about 16.0° ⁇ 0.2°, about 16.7° ⁇ 0.2°, about 19.0° ⁇ 0.2°, about 22.3° ⁇ 0.2°, about 24.3° ⁇ 0.2°, about 25.0° ⁇ 0.2 °, about 26.1° ⁇ 0.2°, and about 27.3° ⁇ 0.2° have characteristic peaks. Its XRPD, TGA, DSC and 1 H NMR are shown in Figures 2 to 5, respectively.
  • Embodiment 3 Preparation of crystal form D (suspension stirring method)
  • Embodiment 4 Preparation of crystal form D (suspension stirring method)
  • the sample is at about 5.6° ⁇ 0.2°, about 8.0° ⁇ 0.2°, about 10.4° ⁇ 0.2°, about 12.0° ⁇ 0.2°, about 16.1° ⁇ 0.2°, about 16.8° ⁇ 0.2°, about 21.0° ⁇ 0.2 °, about 22.4° ⁇ 0.2°, and about 24.2° ⁇ 0.2° have characteristic peaks. Its XRPD, TGA, DSC and 1 H NMR are shown in Figures 7-10, respectively.
  • Embodiment 5 Preparation of crystal form E (suspension stirring method)
  • Embodiment 6 Preparation of crystal form E (suspension stirring method)
  • the sample is at about 6.9° ⁇ 0.2°, about 13.9° ⁇ 0.2°, about 14.8° ⁇ 0.2°, about 15.8° ⁇ 0.2°, about 17.3° ⁇ 0.2°, about 22.1° ⁇ 0.2°, about 25.4° ⁇ 0.2 °, about 25.9° ⁇ 0.2°, and about 28.1° ⁇ 0.2° have characteristic peaks.
  • the XRPD, TGA, DSC and 1 H NMR thereof are shown in Figures 12-15, respectively.
  • Embodiment 7 Preparation of crystal form K (gas-solid diffusion method)
  • Form B of the present invention and Form I of WO2020172075A1 were prepared into suspensions with SGF (simulated artificial gastric juice), and filtered after equilibrating for 1 hour, 2 hours, 4 hours and 24 hours to obtain saturated solutions.
  • SGF simulated artificial gastric juice
  • the content of the samples in the saturated solution was determined by high performance liquid chromatography (HPLC).
  • HPLC high performance liquid chromatography
  • Table 8 The test results are shown in Table 8, and the solubility curve is shown in Figure 19. The results show that the solubility of Form B of the present invention in SGF is higher than that of Form I.
  • the crystal form D of the present invention and the Form I of WO2020172075A1 were formulated into suspensions with FaSSIF (artificial intestinal fluid in an empty stomach state) and FeSSIF (artificial intestinal fluid in a satiated state), and balanced at 1 hour, 2 hours, 4 hours and 24 hours After filtration, a saturated solution was obtained. The content of the samples in the saturated solution was determined by high performance liquid chromatography (HPLC). The test results are shown in Table 9, and the solubility curves are shown in Figures 20-21. The results show that the solubility of Form D of the present invention in FaSSIF and FeSSIF is higher than that of Form I.
  • a manual tablet press is used for tablet compression.
  • choose a circular flat punch that can be compressed into a cylindrical tablet add a certain amount of the crystal form E of the present invention and Form I of WO2020172075A1, and press it into a circular shape with a pressure of 10kN.
  • Tablets were placed in a desiccator for 24 hours, and after complete elastic recovery, the radial crushing force (hardness, H) was tested with a tablet hardness tester.
  • the test results are shown in Table 10. The results show that the tensile strength of Form E of the present invention is greater than that of Form I, and has better compressibility.
  • Embodiment 11 Stability comparative study
  • Embodiment 12 Contrastive research on moisture absorption
  • Moisture-absorbing the weight gain of moisture-absorbing is less than 15% but not less than 2%
  • Embodiment 13 crystal habit comparative study
  • Form B, Form D, and Form E of the present invention place them on glass slides, add a little vacuum silicone oil dropwise to disperse the samples, cover them with a cover glass, and place them under a polarizing microscope for observation.
  • the crystal form B, crystal form D and crystal form E of the present invention have better crystal habits.
  • Embodiment 14 comparative study of particle size distribution

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Abstract

本发明涉及氮杂环丁基烟酸类化合物的晶型及其制备方法。本发明提供了式(I)化合物的晶型B、D、E、K及其制备方法和用途。本发明提供的式(I)化合物晶型B、D、E、K,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

氮杂环丁基烟酸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,特别是涉及氮杂环丁基烟酸类化合物的晶型及其制备方法。
背景技术
法尼醇X受体α(FXR)是一种典型的2型核受体,其可以通过异二聚体的形式与靶基因启动区的维甲酸X受体结合时激活基因。FXR在肝、整个胃肠道(包括食道、胃、十二指肠、小肠、结肠)、卵巢、肾上腺和肾中表达。除了控制细胞内的基因表达外,FXR似乎还通过上调成纤维细胞生长因子15(啮齿动物)或19(猴、人)参与旁分泌和内分泌信号的传导。
5-(3-(2-氯-4-((5-环丙基-3-(2,6-二氯苯基)异恶唑-4-基)甲氧基)苯基)-3-羟基氮杂环丁基-1-基)烟酸是一种新型、高效的FXR激动剂,临床上用于原发性硬化性胆管炎、非酒精性脂肪肝炎和原发性胆汁性肝硬化疾病的治疗,其结构式如下所示:
Figure PCTCN2022143827-appb-000001
专利WO2013007387A1公开了式(I)化合物及其合成,公开的合成方法需利用硅胶色谱法进行提纯,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。专利WO2020172075A1公开了式(I)化合物的游离态晶型(形式I、形式II和水合物)、氨丁三醇盐晶型(形式I、形式II、水合物I、水合物II、水合物III、水合物IV、甲醇溶剂合物I、甲醇溶剂合物II、甲醇溶剂合物III、甲基叔丁基醚溶剂合物和乙醇溶剂合物)和对甲苯磺酸盐(形式I、形式II、形式III和水合物)。其中,游离态形式I通过在pH=3.5-4.0的乙醇中结晶得到;游离态形式II通过将式(I)化合物溶解于4倍体积的二甲亚砜中,然后加入40倍体积的反溶剂(乙酸异丙酯、乙酸乙酯或乙腈),并在室温搅拌而获得,或者通过氨丁三醇盐在甲醇/纯水体系中歧化得到;游离态水合物通过氨丁三醇盐在水中歧化获得。上述制备过程繁琐或者需要耗费大量溶剂,较难满足工业生产的要求。
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E、B、D、K及其制备方法。
1.式(I)所示化合物5-(3-(2-氯-4-((5-环丙基-3-(2,6-二氯苯基)异恶唑-4-基)甲氧基)苯基)-3-羟基氮杂环丁基-1-基)烟酸的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6.9°±0.2°、15.8°±0.2°、25.9°±0.2°处有特征峰,
Figure PCTCN2022143827-appb-000002
2.上述1所述的晶型E的制备方法,其特征在于,
在10~50℃下,将式(I)化合物加入至醇类、环醚类的混合溶剂中,在30~60℃下悬浮搅拌,然后分离固体敞口放置于10~50℃下,得到晶型E。
3.式(I)所示化合物5-(3-(2-氯-4-((5-环丙基-3-(2,6-二氯苯基)异恶唑-4-基)甲氧基)苯基)-3-羟基氮杂环丁基-1-基)烟酸的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8.3°±0.2°、16.0°±0.2°、26.1°±0.2°处有特征峰,
Figure PCTCN2022143827-appb-000003
4.上述3所述的晶型B的制备方法,其特征在于,
在10~50℃下,将式(I)化合物加入至醇类溶剂中,悬浮搅拌,然后分离固体敞口放置,得到晶型B。
5.式(I)所示化合物5-(3-(2-氯-4-((5-环丙基-3-(2,6-二氯苯基)异恶唑-4-基)甲氧基)苯基)-3-羟基氮杂环丁基-1-基)烟酸的D型晶体、即晶型D,其特征在于,使用Cu-Kα辐射,所述晶型D的X射线粉末衍射在2θ值为5.6°±0.2°、10.4°±0.2°、24.2°±0.2°处有特征峰,
Figure PCTCN2022143827-appb-000004
6.上述5所述的晶型D的制备方法,其特征在于,
在10~50℃下,将式(I)化合物加入至卤代烷烃类溶剂中,悬浮搅拌,然后分离固体敞口放置,得到晶型D。
7.式(I)所示化合物5-(3-(2-氯-4-((5-环丙基-3-(2,6-二氯苯基)异恶唑-4-基)甲氧基)苯基)-3-羟基氮杂环丁基-1-基)烟酸的K型晶体、即晶型K,其特征在于,使用Cu-Kα辐射,所述晶型K的X射线粉末衍射在2θ值为7.9°±0.2°、22.4°±0.2°、23.7°±0.2°处有特征峰,
Figure PCTCN2022143827-appb-000005
8.上述7所述的晶型K的制备方法,其特征在于,
在10~50℃下,将式(I)化合物固体置于醇类溶剂氛围下进行气固扩散,收集固体继续置于纯水氛围下进行气固扩散,得到晶型K。
9.药物组合物,其包含上述1,3,5和7中任一项所述的晶体和制药学可接受的载体。
10.具有FXR激动活性的药物组合物,其含有上述1,3,5和7中任一项所述的晶体作为有效成分。
11.原发性硬化性胆管炎、非酒精性脂肪肝炎和原发性胆汁性肝硬化疾病的治疗药,其含有上述1,3,5和7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E、B、D、K,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2晶型B的XRPD图
图3实施例2晶型B的TGA图
图4实施例2晶型B的DSC图
图5实施例2晶型B的 1H NMR图
图6实施例3晶型D的XRPD图
图7实施例4晶型D的XRPD图
图8实施例4晶型D的TGA图
图9实施例4晶型D的DSC图
图10实施例4晶型D的 1H NMR图
图11实施例5晶型E的XRPD图
图12实施例6晶型E的XRPD图
图13实施例6晶型E的TGA图
图14实施例6晶型E的DSC图
图15实施例6晶型E的 1H NMR图
图16实施例7晶型K的XRPD图
图17实施例7晶型K的TGA图
图18实施例7晶型K的DSC图
图19不同晶型在SGF中的溶解度曲线
图20不同晶型在FaSSIF中的溶解度曲线
图21不同晶型在FeSSIF中的溶解度曲线
图22晶型B在25℃/60%相对湿度条件下稳定性测试的XRPD对比图
图23晶型B在40℃/75%相对湿度条件下稳定性测试的XRPD对比图
图24晶型E在25℃/60%相对湿度条件下稳定性测试的XRPD对比图
图25晶型E在40℃/75%相对湿度条件下稳定性测试的XRPD对比图
图26晶型B的动态水分吸附图
图27晶型E的动态水分吸附图
图28晶型E测试DVS前后的XRPD对比图
图29Form I的动态水分吸附图
图30Form I测试DVS前后的XRPD对比图
图31晶型D的粒径分布图
图32晶型E的粒径分布图
图33Form I的粒径分布图
具体实施方式
晶型B
式(I)所示化合物5-(3-(2-氯-4-((5-环丙基-3-(2,6-二氯苯基)异恶唑-4-基)甲氧基)苯基)-3-羟基氮杂环丁基-1-基)烟酸的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8.3°±0.2°、16.0°±0.2°、26.1°±0.2°处有特征峰,
Figure PCTCN2022143827-appb-000006
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22.3°±0.2°、24.3°±0.2°、25.0°±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B的X射线粉末衍射在2θ值为22.3°±0.2°、24.3°±0.2°、25.0°±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16.7±0.2°、19.0°±0.2°、27.3°±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16.7±0.2°、19.0°±0.2°、27.3°±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8.3°±0.2°、16.0°±0.2°、16.7°±0.2°、19.0°±0.2°、22.3°±0.2°、24.3°±0.2°、25.0°±0.2°、26.1°±0.2°、27.3°±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8.3°±0.2°、16.0°±0.2°、16.7°±0.2°、19.0°±0.2°、22.3°±0.2°、24.3°±0.2°、25.0°±0.2°、26.1°±0.2°、27.3°±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所示。
所述的晶型B的制备方法,其特征在于,
将式(I)化合物固体加入至醇类溶剂中,悬浮搅拌,然后分离固体敞口放置,得到晶型B。
在本发明的一个实施方式中,所述醇类溶剂为乙醇。
在本发明的一个实施方式中,所述悬浮搅拌和敞口放置的温度为10~50℃,例如20~30℃。
在本发明的一个实施方式中,所述悬浮搅拌的时间为2~8天,例如4天。
在本发明的一个实施方式中,所述敞口放置的时间为1~6天,例如3天。
晶型D
式(I)所示化合物5-(3-(2-氯-4-((5-环丙基-3-(2,6-二氯苯基)异恶唑-4-基)甲氧基)苯基)-3-羟基氮杂环丁基-1-基)烟酸的D型晶体、即晶型D,其特征在于,使用Cu-Kα辐射,所述晶型D的X射线粉末衍射在2θ值为5.6°±0.2°、10.4°±0.2°、24.2°±0.2°处有特征峰,
Figure PCTCN2022143827-appb-000007
在本发明的一个实施方式中,所述晶型D的X射线粉末衍射在2θ值为8.0°±0.2°、12.0°±0.2°、16.1°±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D的X射线粉末衍射在2θ值为8.0°±0.2°、12.0°±0.2°、16.1°±0.2°处有特征峰。
在本发明的一个实施方式中,所述晶型D的X射线粉末衍射在2θ值为16.8±0.2°、21.0°±0.2°、22.4°±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D的X射线粉末衍射在2θ值为16.8±0.2°、21.0°±0.2°、22.4°±0.2°处有特征峰。
在本发明的一个实施方式中,所述晶型D的X射线粉末衍射在2θ值为5.6°±0.2°、8.0°±0.2°、10.4°±0.2°、12.0°±0.2°、16.1°±0.2°、16.8°±0.2°、21.0°±0.2°、22.4°±0.2°、24.2°±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D的X射线粉末衍射在2θ值为5.6°±0.2°、8.0°±0.2°、10.4°±0.2°、12.0°±0.2°、16.1°±0.2°、16.8°±0.2°、21.0°±0.2°、22.4°±0.2°、24.2°±0.2°处有特征峰。
在本发明的一个实施方式中,所述晶型D的X射线粉末衍射图如图5所示。
所述的晶型D的制备方法,其特征在于,
将式(I)化合物固体加入至卤代烷烃类溶剂中,悬浮搅拌,然后分离固体敞口放置,得到晶型D。
在本发明的一个实施方式中,所述卤代烷烃类溶剂为二氯甲烷。
在本发明的一个实施方式中,所述悬浮搅拌和敞口放置的温度为10~50℃,例如20~30℃。
在本发明的一个实施方式中,所述悬浮搅拌的时间为2~8天,例如4天。
在本发明的一个实施方式中,所述敞口放置的时间为1~6天,例如3天。
晶型E
式(I)所示化合物5-(3-(2-氯-4-((5-环丙基-3-(2,6-二氯苯基)异恶唑-4-基)甲氧基)苯基)-3-羟基氮杂环丁基-1-基)烟酸的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6.9°±0.2°、15.8°±0.2°、25.9°±0.2°处有特征峰,
Figure PCTCN2022143827-appb-000008
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17.3°±0.2°、22.1°±0.2°、25.4°±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17.3°±0.2°、22.1°±0.2°、25.4°±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13.9±0.2°、14.8°±0.2°、28.1°±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13.9±0.2°、14.8°±0.2°、28.1°±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6.9°±0.2°、13.9°±0.2°、14.8°±0.2°、15.8°±0.2°、17.3°±0.2°、22.1°±0.2°、25.4°±0.2°、25.9°±0.2°、28.1°±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6.9°±0.2°、13.9°±0.2°、14.8°±0.2°、15.8°±0.2°、17.3°±0.2°、22.1°±0.2°、25.4°±0.2°、25.9°±0.2°、28.1°±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9所示。
所述的晶型E的制备方法,其特征在于,
将式(I)化合物固体加入至混合溶剂中,悬浮搅拌,然后分离固体敞口放置,得到晶型E。
在本发明的一个实施方式中,所述混合溶剂为乙醇/四氢呋喃。
在本发明的一个实施方式中,所述乙醇/四氢呋喃的体积比为2~8:1,例如4:1。
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,所述敞口放置的温度为10~50℃,例如20~30℃。
在本发明的一个实施方式中,所述悬浮搅拌的时间为2~8天,例如4天。
在本发明的一个实施方式中,所述敞口放置的时间为1~6天,例如3天。
晶型K
式(I)所示化合物5-(3-(2-氯-4-((5-环丙基-3-(2,6-二氯苯基)异恶唑-4-基)甲氧基)苯基)-3-羟基氮杂环丁基-1-基)烟酸的K型晶体、即晶型K,其特征在于,使用Cu-Kα辐射,所述晶型K的X射线粉末衍射在2θ值为7.9°±0.2°、22.4°±0.2°、23.7°±0.2°处有特征峰,
Figure PCTCN2022143827-appb-000009
在本发明的一个实施方式中,所述晶型K的X射线粉末衍射在2θ值为15.0°±0.2°、20.1°±0.2°、26.5°±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K的X射线粉末衍射在2θ值为15.0°±0.2°、20.1°±0.2°、26.5°±0.2°处有特征峰。
在本发明的一个实施方式中,所述晶型K的X射线粉末衍射在2θ值为15.8±0.2°、16.7°±0.2°、24.9°±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K的X射线粉末衍射在2θ值为15.8±0.2°、16.7°±0.2°、24.9°±0.2°处有特征峰。
在本发明的一个实施方式中,所述晶型K的X射线粉末衍射在2θ值为7.9°±0.2°、15.0°±0.2°、15.8°±0.2°、16.7°±0.2°、20.1°±0.2°、22.4°±0.2°、23.7°±0.2°、24.9°±0.2°、26.5°±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K的X射线粉末衍射在2θ值为7.9°±0.2°、15.0°±0.2°、15.8°±0.2°、16.7°±0.2°、20.1°±0.2°、22.4°±0.2°、23.7°±0.2°、24.9°±0.2°、26.5°±0.2°处有特征峰。
在本发明的一个实施方式中,所述晶型K的X射线粉末衍射图如图13所示。
所述的晶型K的制备方法,其特征在于,
将式(I)化合物固体置于醇类溶剂氛围下进行气固扩散,然后将固体敞口放置,收集固体置于纯水氛围下继续进行气固扩散,得到晶型K。
在本发明的一个实施方式中,所述醇类溶剂为甲醇。
在本发明的一个实施方式中,所述气固扩散和敞口放置的温度为10~50℃,例如20~30℃。
在本发明的一个实施方式中,所述固体在醇类溶剂氛围下的气固扩散时间为10~20天,例如15天。
在本发明的一个实施方式中,所述敞口放置时间为1~3天,例如1天。
在本发明的一个实施方式中,所述固体在纯水氛围下的气固扩散时间为10~20天,例如12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FXR激动活性的药物组合物,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原发性硬化性胆管炎、非酒精性脂肪肝炎和原发性胆汁性肝硬化疾病的预防药或治疗药,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FXR激动活性的药物组合物,其含有上述本发明的晶体作为有效成分。
本发明提供原发性硬化性胆管炎、非酒精性脂肪肝炎和原发性胆汁性肝硬化疾病的预防药或治疗药,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 PCTCN2022143827-appb-000010
1.54060;
Figure PCTCN2022143827-appb-000011
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)化合物可以通过商业渠道购买获得。
实施例1:晶型B的制备(悬浮搅拌法)
室温条件下称取303.5毫克的式(I)化合物固体置于5毫升的玻璃小瓶中,加入4毫升的乙醇形成悬浮液。将样品置于室温条件下磁力搅拌(1000转/分钟)约9天,补加1毫升乙醇,将样品继续置于室温条件下磁力搅拌(1000转/分钟)约14天,离心分离固体。将分离的固体敞口置于室温条件下约2天,得到晶型B。其X射线粉末衍射数据如表1所示,XRPD如图1所示。
表1
衍射角2θ d值 强度%
8.33 10.61 82.25
衍射角2θ d值 强度%
10.42 8.49 13.49
13.09 6.76 17.76
14.13 6.27 28.24
15.20 5.83 14.94
15.64 5.67 32.32
16.05 5.52 40.49
16.81 5.28 36.79
17.41 5.09 19.48
19.02 4.67 16.23
20.29 4.38 19.94
22.32 3.98 29.64
24.33 3.66 54.55
25.00 3.56 60.00
26.15 3.41 100.00
27.37 3.26 28.78
28.58 3.12 12.00
31.57 2.83 7.33
32.73 2.74 2.80
33.96 2.64 3.78
38.00 2.37 4.63
实施例2:晶型B的制备(悬浮搅拌法)
室温条件下称取14.9毫克的式(I)化合物固体置于1.5毫升的HPLC小瓶中,加入0.5毫升的乙醇形成悬浮液。将样品置于室温条件下磁力搅拌(1000转/分钟)约4天,离心分离固体。将分离的固体敞口置于室温条件下约3天,得到晶型B。其X射线粉末衍射数据如表2所示。该样品在约8.3°±0.2°、约16.0°±0.2°、约16.7°±0.2°、约19.0°±0.2°、约22.3°±0.2°、约24.3°±0.2°、约25.0°±0.2°、约26.1°±0.2°、约27.3°±0.2°处有特征峰。其XRPD、TGA、DSC和 1H NMR分别如图2~5所示。
表2
衍射角2θ d值 强度%
6.31 14.02 100.00
8.33 10.61 100.00
10.41 8.49 4.10
15.16 5.84 2.14
15.67 5.65 5.32
16.03 5.53 26.63
衍射角2θ d值 强度%
16.74 5.29 7.09
17.61 5.03 5.78
18.97 4.68 7.64
20.85 4.26 2.71
22.27 3.99 10.60
24.30 3.66 17.55
25.06 3.55 21.53
26.11 3.41 31.92
27.33 3.26 7.48
28.61 3.12 0.56
实施例3:晶型D的制备(悬浮搅拌法)
室温条件下称取302.8毫克的式(I)化合物固体置于5毫升的玻璃小瓶中,加入4毫升的二氯甲烷形成悬浮液。将样品置于室温条件下磁力搅拌(1000转/分钟)约5天,离心分离固体。将分离的固体敞口置于室温条件下约1天,得到晶型D。其X射线粉末衍射数据如表3所示,XRPD如图6所示。
表3
衍射角2θ d值 强度%
5.56 15.88 100.00
8.01 11.04 16.38
10.38 8.53 54.40
10.59 8.35 43.87
11.11 7.96 7.24
11.39 7.77 6.63
11.98 7.39 13.01
13.21 6.70 9.14
13.99 6.33 13.39
15.16 5.85 7.31
16.04 5.53 47.22
16.79 5.28 23.31
17.63 5.03 18.77
19.85 4.47 11.73
21.19 4.19 25.18
22.42 3.97 17.89
23.27 3.82 17.71
衍射角2θ d值 强度%
24.26 3.67 69.00
24.79 3.59 20.36
25.08 3.55 14.68
25.33 3.52 11.41
26.70 3.34 12.62
27.12 3.29 14.94
28.18 3.17 6.61
28.66 3.12 6.46
实施例4:晶型D的制备(悬浮搅拌法)
室温条件下称取14.9毫克的式(I)化合物固体置于1.5毫升的HPLC小瓶中,加入0.5毫升的二氯甲烷形成悬浮液。将样品置于室温条件下磁力搅拌(1000转/分钟)约4天,离心分离固体。将分离的固体敞口置于室温条件下约3天,得到晶型D。其X射线粉末衍射数据如表4所示。该样品在约5.6°±0.2°、约8.0°±0.2°、约10.4°±0.2°、约12.0°±0.2°、约16.1°±0.2°、约16.8°±0.2°、约21.0°±0.2°、约22.4°±0.2°、约24.2°±0.2°处有特征峰。其XRPD、TGA、DSC和 1H NMR分别如图7~10所示。
表4
衍射角2θ d值 强度%
6.36 13.9 4.22
5.56 15.88 100.00
7.97 11.09 29.79
10.37 8.53 75.13
11.96 7.40 41.23
16.10 5.51 42.19
16.77 5.29 27.63
21.03 4.22 14.83
22.40 3.97 25.75
23.28 3.82 28.26
24.26 3.67 65.20
实施例5:晶型E的制备(悬浮搅拌法)
室温条件下称取309.6毫克的式(I)化合物固体置于20毫升的玻璃小瓶中,加入5毫升的乙醇和四氢呋喃(4:1,体积比)混合溶剂形成悬浮液。将样品置于50℃条件下磁力搅拌(1000转/分钟)约1天,补加5毫升的乙醇和四氢呋喃(4:1,体积比)混合溶剂,将样品继续置于50℃条件下磁力搅拌(1000转/分钟)约1天,离心分离固体。将分离的固体敞口置于室温条件下约1天,得到晶型E。其X射线粉末衍射数据如表5所示,XRPD如图11所示。
表5
衍射角2θ d值 强度%
6.88 12.85 14.00
11.98 7.39 1.88
12.85 6.89 4.76
13.99 6.33 9.40
14.70 6.03 8.87
15.77 5.62 15.97
17.30 5.13 8.51
18.78 4.73 4.00
19.33 4.59 6.91
20.88 4.26 5.64
22.12 4.02 19.70
23.43 3.80 4.39
25.39 3.51 88.31
25.87 3.44 100.00
26.75 3.33 11.46
28.07 3.18 18.37
29.72 3.01 4.22
34.11 2.63 1.56
实施例6:晶型E的制备(悬浮搅拌法)
室温条件下称取15.1毫克的式(I)化合物固体置于1.5毫升的HPLC小瓶中,加入0.5毫升的乙醇和四氢呋喃(4:1,体积比)混合溶剂形成悬浮液。将样品置于50℃条件下磁力搅拌(1000转/分钟)约4天,离心分离固体。将分离的固体敞口置于室温条件下约3天,得到晶型E。其X射线粉末衍射数据如表6所示。该样品在约6.9°±0.2°、约13.9°±0.2°、约14.8°±0.2°、约15.8°±0.2°、约17.3°±0.2°、约22.1°±0.2°、约25.4°±0.2°、约25.9°±0.2°、约28.1°±0.2°处有特征峰。其XRPD、TGA、DSC和 1H NMR分别如图12~15所示。
表6
衍射角2θ d值 强度%
6.88 12.84 49.17
12.01 7.37 7.92
13.91 6.37 14.95
14.77 6.00 13.10
15.80 5.61 27.47
17.31 5.12 21.25
19.35 4.59 12.16
20.79 4.27 10.56
衍射角2θ d值 强度%
22.15 4.01 34.68
25.45 3.50 81.24
25.87 3.44 100.00
28.12 3.17 23.86
实施例7:晶型K的制备(气固扩散法)
室温条件下称取198.3毫克的式(I)化合物固体置于3毫升的玻璃小瓶中,然后敞口置于预先装有4毫升甲醇的20毫升玻璃小瓶中。封口后,置于室温条件下约15天。取出3毫升小瓶,敞口置于室温条件下过夜,收集固体。
室温条件下称取14.3毫克前述固体置于3毫升的玻璃小瓶中,然后敞口置于预先装有3毫升纯水的20毫升玻璃小瓶中。封口后,置于室温条件下约12天,得到晶型K。其X射线粉末衍射数据如表7所示。该样品在约7.9°±0.2°、约15.0°±0.2°、约15.8°±0.2°、约16.7°±0.2°、约20.1°±0.2°、约22.4°±0.2°、约23.7°±0.2°、约24.9°±0.2°、约26.5°±0.2°处有特征峰。其XRPD、TGA和DSC分别如图16~18所示。
表7
衍射角2θ d值 强度%
7.86 11.25 100.00
15.03 5.90 32.70
15.83 5.60 28.15
16.70 5.31 24.98
20.08 4.42 27.57
22.41 3.97 44.21
23.66 3.76 60.59
24.95 3.57 29.00
26.55 3.36 49.54
27.86 3.20 8.55
实施例8:晶型的溶解度
将本发明晶型B和WO2020172075A1的Form I用SGF(模拟人工胃液)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8所示,溶解度曲线如图19所示。结果显示,本发明晶型B在SGF中的溶解度高于Form I。
将本发明晶型D和WO2020172075A1的Form I用FaSSIF(空腹状态下人工肠液)和FeSSIF(饱食状态下人工肠液)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9所示,溶解度曲线如图20~21所示。结果显示,本发明晶型D在FaSSIF和FeSSIF中的溶解度高于Form I。
表8
Figure PCTCN2022143827-appb-000012
表9
Figure PCTCN2022143827-appb-000013
实施例9: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E和WO2020172075A1的Form I,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。在一定的压力下,抗张强度越大的,表示其可压性越好。试验结果如表10所示。结果显示,本发明晶型E较Form I的抗张强度更大,具有更优的可压性。
表10
晶型 直径(毫米) 厚度(毫米) 径向破碎力(牛) 抗张强度(兆帕)
晶型E 6.08 2.70 49.43 1.92
Form I 6.18 2.70 49.12 1.87
实施例10:晶型的固有溶出速率
称取本发明晶型B、晶型D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D和晶型E具有较快的溶出速率。
实施例11:稳定性对比研究
称取本发明晶型B(起始纯度99.53%)和晶型E(起始纯度100.00%)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纯度。试验结果如表11所示,晶型B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B和晶型E在25℃/60%RH和40℃/75%RH条件下具有较好的物理化学稳定性。
表11
Figure PCTCN2022143827-appb-000014
实施例12:引湿性对比研究
称取本发明晶型B、晶型E和WO2020172075A1的Form I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12所示,晶型B的DVS如图26所示;晶型E的DVS如图27所示,晶型E测试DVS前后的XRPD对比图如图28所示;Form I的DVS如图29所示,Form I测试DVS前后的XRPD对比图如图30所示。结果显示,本发明晶型B和晶型E比Form I具有更低的引湿性。
表12
起始晶型 80%相对湿度的增重 引湿性
晶型B 0.3696 略有引湿性
晶型E 0.2875 略有引湿性
Form I 0.7340 略有引湿性
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13:晶习对比研究
称取本发明晶型B、晶型D和晶型E各约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。本发明晶型B、晶型D和晶型E具有较优的晶习。
实施例14:粒径分布对比研究
称取本发明晶型D、晶型E和WO2020172075A1的Form I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,超声30秒后进行粒径分布的测试。试验结果如表13所示,晶型D的粒径分布如图31所示,晶型E的粒径分布如图32所示,Form I的粒径分布如图33所示。结果显示,晶型D和晶型E呈单峰分布,Form I呈双峰分布,说明本发明晶型D和E具有更加均匀的粒径分布。
表13
晶型 平均粒径(微米) D10(微米) D50(微米) D90(微米)
晶型D 20.05 2.016 6.79 46.51
晶型E 61.09 9.32 53.64 121.4
Form I 284.7 98.79 321.5 432.4
实施例15:黏附性对比研究
称取本发明晶型B和WO2020172075A1的Form I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和黏附百分比,试验结果如表14所示。结果显示,本发明晶型B比Form I更不易粘冲。
表14
Figure PCTCN2022143827-appb-000015
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 (11)

  1. 式(I)所示化合物5-(3-(2-氯-4-((5-环丙基-3-(2,6-二氯苯基)异恶唑-4-基)甲氧基)苯基)-3-羟基氮杂环丁基-1-基)烟酸的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6.9°±0.2°、15.8°±0.2°、25.9°±0.2°处有特征峰,
    Figure PCTCN2022143827-appb-100001
  2. 权利要求1所述的晶型E的制备方法,其特征在于,
    在10~50℃下,将式(I)化合物加入至醇类、环醚类的混合溶剂中,在30~60℃下悬浮搅拌,然后分离固体敞口放置于10~50℃下,得到晶型E。
  3. 式(I)所示化合物5-(3-(2-氯-4-((5-环丙基-3-(2,6-二氯苯基)异恶唑-4-基)甲氧基)苯基)-3-羟基氮杂环丁基-1-基)烟酸的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8.3°±0.2°、16.0°±0.2°、26.1°±0.2°处有特征峰,
    Figure PCTCN2022143827-appb-100002
  4. 权利要求3所述的晶型B的制备方法,其特征在于,
    在10~50℃下,将式(I)化合物加入至醇类溶剂中,悬浮搅拌,然后分离固体敞口放置,得到晶型B。
  5. 式(I)所示化合物5-(3-(2-氯-4-((5-环丙基-3-(2,6-二氯苯基)异恶唑-4-基)甲氧基)苯基)-3-羟基氮杂环丁基-1-基)烟酸的D型晶体、即晶型D,其特征在于,使用Cu-Kα辐射,所述晶型D的X射线粉末衍射在2θ值为5.6°±0.2°、10.4°±0.2°、24.2°±0.2°处有特征峰,
    Figure PCTCN2022143827-appb-100003
  6. 权利要求5所述的晶型D的制备方法,其特征在于,
    在10~50℃下,将式(I)化合物加入至卤代烷烃类溶剂中,悬浮搅拌,然后分离固体敞口 放置,得到晶型D。
  7. 式(I)所示化合物5-(3-(2-氯-4-((5-环丙基-3-(2,6-二氯苯基)异恶唑-4-基)甲氧基)苯基)-3-羟基氮杂环丁基-1-基)烟酸的K型晶体、即晶型K,其特征在于,使用Cu-Kα辐射,所述晶型K的X射线粉末衍射在2θ值为7.9°±0.2°、22.4°±0.2°、23.7°±0.2°处有特征峰,
    Figure PCTCN2022143827-appb-100004
  8. 权利要求7所述的晶型K的制备方法,其特征在于,
    在10~50℃下,将式(I)化合物固体置于醇类溶剂氛围下进行气固扩散,收集固体继续置于纯水氛围下进行气固扩散,得到晶型K。
  9. 药物组合物,其包含权利要求1,3,5和7中任一项所述的晶体和制药学可接受的载体。
  10. 具有FXR激动活性的药物组合物,其含有权利要求1,3,5和7中任一项所述的晶体作为有效成分。
  11. 原发性硬化性胆管炎、非酒精性脂肪肝炎和原发性胆汁性肝硬化疾病的治疗药,其含有权利要求1,3,5和7中任一项所述的晶体作为有效成分。
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