WO2022048685A1 - 苯并四氢呋喃肟类化合物的晶型及其制备方法 - Google Patents
苯并四氢呋喃肟类化合物的晶型及其制备方法 Download PDFInfo
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- C07D495/14—Ortho-condensed systems
Definitions
- the invention relates to a crystal form of benzotetrahydrofuran oxime compounds and a preparation method thereof, and also includes the application of the crystal form in the preparation of medicines for treating related diseases.
- BET bromodomain and extraterminal protein BRD4 directly binds to acetylated lysines on histone tails and other nucleoproteins via RNA polymerase II (Pol II) to promote gene transcription.
- BET inhibitors have shown great potential in anti-tumor, and their anti-tumor activity has been confirmed in clinical trials of hematological malignancies. BET inhibitors also have the effect of modulating PD-L1 gene expression and enhancing cytotoxic T cell activity, thereby inhibiting tumor progression in ovarian cancer models.
- the present invention provides Form A of the compound of formula (I), characterized in that its X-ray powder diffraction pattern has characteristic diffraction peaks at the following 2 ⁇ angles: 7.78 ⁇ 0.20°, 12.15 ⁇ 0.20°, 13.18 ⁇ 0.20°.
- the above-mentioned crystal form A its X-ray powder diffraction pattern has characteristic diffraction peaks at the following 2 ⁇ angles: 7.19 ⁇ 0.20°, 7.78 ⁇ 0.20°, 8.97 ⁇ 0.20°, 11.05 ⁇ 0.20°, 12.15 ⁇ 0.20°, 13.18 ⁇ 0.20°, 20.07 ⁇ 0.20°, 22.20 ⁇ 0.20°.
- the above-mentioned crystal form A its X-ray powder diffraction pattern has characteristic diffraction peaks at the following 2 ⁇ angles: 7.19 ⁇ 0.20°, 7.78 ⁇ 0.20°, 8.97 ⁇ 0.20°, 11.05 ⁇ 0.20°, 12.15 ⁇ 0.20°, 13.18 ⁇ 0.20°, 13.83 ⁇ 0.20°, 15.45 ⁇ 0.20°, 20.07 ⁇ 0.20°, 22.20 ⁇ 0.20°.
- the above-mentioned A crystal form, its X-ray powder diffraction pattern has characteristic diffraction peaks at the following 2 ⁇ angles: 7.19°, 7.78°, 8.97°, 9.25°, 11.05°, 12.15°, 13.18°, 13.83°, 15.45°, 20.07°, 22.20°, 23.33°.
- the X-ray powder diffraction pattern of the above-mentioned A crystal form has characteristic diffraction peaks at the following 2 ⁇ angles: 7.78 ⁇ 0.20°, 12.15 ⁇ 0.20°, and also at 13.18 ⁇ 0.20°, and/or 7.19 ⁇ 0.20°, and/or 8.97 ⁇ 0.20°, and/or 11.05 ⁇ 0.20°, and/or 13.83 ⁇ 0.20°, and/or 15.45 ⁇ 0.20°, and/or 20.07 ⁇ 0.20°, and/or 22.20 ⁇ 0.20 °.
- the XRPD pattern of the above-mentioned A crystal form is shown in FIG. 1 .
- the differential scanning calorimetry curve of the above-mentioned A crystal form has an endothermic peak at 209.8 ⁇ 3°C.
- the DSC spectrum of the above-mentioned A crystal form is shown in FIG. 2 .
- thermogravimetric analysis curve of the above-mentioned crystal form A has a weight loss of 0.79% at 170.0 ⁇ 3°C.
- the TGA spectrum of the above-mentioned A crystal form is shown in FIG. 3 .
- the present invention also provides an amorphous form of the compound of formula (I), the X-ray powder diffraction (XRPD) pattern of which is shown in FIG. 4 .
- the present invention also provides the preparation of the crystal form of compound A of formula (I), including:
- the solvent is selected from acetonitrile.
- the intermediate compounds of the present invention can be prepared by a variety of synthetic methods well known to those skilled in the art, including the specific embodiments listed below, the embodiments formed by their combination with other chemical synthesis methods, and those skilled in the art.
- Well-known equivalents, preferred embodiments include, but are not limited to, the examples of the present invention.
- the solvent used in the present invention is commercially available.
- DCM stands for dichloromethane
- DMF stands for N,N-dimethylformamide
- DMSO stands for dimethyl sulfoxide
- EtOH stands for ethanol
- MeOH stands for methanol
- TFA trifluoroacetic acid
- ATP stands for Adenosine triphosphate
- HEPES 4-hydroxyethylpiperazineethanesulfonic acid
- MgCl2 for magnesium dichloride.
- the structure of the compound of the present invention can be confirmed by conventional methods well known to those skilled in the art. If the present invention relates to the absolute configuration of the compound, the absolute configuration can be confirmed by conventional technical means in the art. For example, single crystal X-ray diffraction method (SXRD), the cultured single crystal is collected by Bruker D8 venture diffractometer, the light source is CuK ⁇ radiation, and the scanning mode is: After scanning and collecting relevant data, the crystal structure was further analyzed by the direct method (Shelxs97), and the absolute configuration could be confirmed.
- SXRD single crystal X-ray diffraction method
- the cultured single crystal is collected by Bruker D8 venture diffractometer
- the light source is CuK ⁇ radiation
- the scanning mode is: After scanning and collecting relevant data, the crystal structure was further analyzed by the direct method (Shelxs97), and the absolute configuration could be confirmed.
- the compound of formula (I) has good crystal form stability and is easy to be formulated into medicine; the compound of formula (I) has significant BET Bromodomain inhibitory activity and a significant down-regulation effect on PD-L1 gene expression; the compound of formula (I) has a short half-life, It is widely distributed in plasma and has moderate bioavailability.
- Test Method Approximately 10 mg of sample was used for XRPD detection.
- DSC Differential Scanning Calorimeter
- Test method Take a sample (about 1-5mg) and place it in a DSC aluminum pan for testing. Under the condition of 50mL/min N2, at a heating rate of 10°C/min, heat the sample from room temperature (25°C) to before the sample decomposes.
- Thermogravimetric Analysis (Thermal Gravimetric Analyzer, TGA) method of the present invention
- Test method Take a sample (about 1-5mg) and place it in a TGA aluminum pan for testing. Under the condition of 10mL/min N2, heat the sample from room temperature to 350°C at a heating rate of 10°C/min.
- the hygroscopicity evaluation is classified as follows:
- Hygroscopic classification ⁇ W% deliquescence Absorbs enough water to form a liquid Very hygroscopic ⁇ W% ⁇ 15% hygroscopic 15%> ⁇ W% ⁇ 2% slightly hygroscopic 2%> ⁇ W% ⁇ 0.2% No or almost no hygroscopicity ⁇ W% ⁇ 0.2%
- Fig. 1 is the XRPD spectrum of the Cu-K ⁇ radiation of compound A of formula (I);
- Fig. 2 is the DSC spectrogram of formula (I) compound A crystal form
- Fig. 3 is the TGA spectrum of formula (I) compound A crystal form
- Fig. 4 is the XRPD spectrum of the amorphous Cu-K ⁇ radiation of the compound of formula (I);
- Figure 5 is the effect of the compound of formula (I) on the expression level of PD-L1 in MCF7 cells
- Figure 6 shows the effect of the compound of formula (I) on the expression level of PD-L1 in MDA-MB-231 cells.
- compound 1-3 (564 g, 2.12 mol, 1 eq) and pyridine (2200 mL) were added to a 5L three-necked flask. Cool to 0°C, add 1-4 (828.94g, 2.02mol, 0.95eq). POCl3 (390.21 g, 2.55 mol, 236.49 mL, 1.2 eq) was added at 0-40 °C. After the dropwise addition was completed, stirring was continued at room temperature (25° C.) for 1 hour. TLC and LCMS showed that the reaction of the starting materials was complete and the target product was formed.
- the toluene solution (40L) containing compound 1-6 in the previous step was added to the 50L kettle, and then SiO 2 (2.68kg, 44.62mol, 14.55eq) was added. The temperature was raised to 90°C and stirred for 12 hours. LCMS showed complete reaction of starting material.
- the reaction solution was cooled, filtered, and the mother liquor was concentrated, about 900 g, marked as concentrate 1.
- the filter cake obtained in the previous step was slurried with 12 L of ethyl acetate at room temperature (25° C.), filtered, and washed with ethyl acetate. Repeat 2 times. The combined filtrates were concentrated, about 400 g, designated as concentrate 2.
- the concentrate 1 was slurried with methyl tert-butyl ether (2.7L, 1.8L), filtered, and methyl tert-butyl ether (900 mL) was added to the filter cake, and heated to 60°C. Stir for 1 hour, filter while hot, and concentrate the obtained filter cake under reduced pressure to constant weight to obtain filter cake 1.
- Concentrate 2 was slurried with methyl tert-butyl ether (800 mL), filtered, and the filter cake was added with methyl tert-butyl ether (400 mL), heated to 60° C., stirred for 1 hour, filtered while hot, and repeated this process 3 times, The filter cake was concentrated under reduced pressure to constant weight to obtain filter cake 2.
- Acetyl hydrazide (99.03 g, 1.34 mol, 2 eq) was added, and the mixture was stirred at 0-5°C for 1 hour. It was then heated to 70°C and stirred for 12 hours. LCMS showed that starting material remained and the desired product was formed.
- the reaction solution was diluted with 4 L of ethyl acetate, filtered, and the filter cake was washed with 1 L of ethyl acetate. Water (4 L) was added to the filtrate, and the pH of the solution was adjusted to 8 by adding solid sodium bicarbonate.
- TFA (6.16 g, 54.02 mmol, 4 mL, 4.42 eq) was added to a solution of compound 1-14 (3.4 g, 12.22 mmol, 1 eq) in dichloromethane (20 mL). The mixture was stirred at room temperature (26°C) for 0.5 hour. Additional dichloromethane (20 mL) and TFA (6.16 g, 54.02 mmol, 4 mL, 4.42 eq) were added, and stirring was continued at room temperature (26 °C) for 0.5 h.
- reaction solution was adjusted to pH 7-8 with saturated aqueous NaHCO 3 solution, left to stand for separation, and the organic phase was washed successively with saturated aqueous NaHCO 3 solution (40 mL) and water (40 mL), dried over anhydrous sodium sulfate, filtered, and concentrated to obtain compound 1- 15.
- DIPEA (742.00 mg, 5.74 mmol, 1.00 mL, 1.28 eq) was added to compound 1-10 (1.8 g, 4.49 mmol, 1 eq) in dichloromethane (50 mL), and after nitrogen replacement 3 times, T 3 P ( 3.75g, 5.89mmol, 3.50mL, 50% purity, 1.31eq) and DMAP (500.00mg, 4.09mmol, 9.11e-1eq), compound 1-15 (1g, 5.61mmol, 1.25eq) were added to the above reaction solution . The reaction solution was stirred at 30°C for 1 hour.
- reaction solution was diluted with dichloromethane (20 mL), washed with 1M HCl aqueous solution (50 mL*2), saturated NaHCO 3 aqueous solution (50 mL*2), and water (50 mL*2) successively.
- the organic phase was dried over anhydrous sodium sulfate, filtered and concentrated to give crude product. Purification by column chromatography followed by preparative HPLC (basic) yielded the compound of formula (I).
- the illuminated samples are placed in a clean weighing bottle, spread in a thin layer, covered with a transparent lid, and sealed with parafilm.
- the control samples were packaged in the same way as the illuminated samples, but the weighing bottle was wrapped in tinfoil.
- Samples under high temperature and high humidity conditions were sampled and tested on the 5th, 10th, and 30th days, and samples under accelerated and long-term conditions were sampled and tested on the 90th and 180th days.
- the test results were compared with the initial test results on day 0. For comparison, the test results are shown in Table 3 below:
- the amorphous compound of formula (I) has good stability under high temperature, high humidity, light conditions and accelerated conditions.
- Test 1 IC50 characterization of compounds at 10 concentrations.
- BRD buffer composition 50 mM HEPES-HCl, pH 7.5, 100 mM NaCl, 0.1% BSA, 0.05% CHAPS and 1% DMSO.
- the signal value in the reaction control wells was defined as 100% enzyme activity, and the signal value in the background wells (no BRD but ligand added in the buffer) was defined as 0% enzyme activity (or 100% inhibition).
- the percent enzyme activity of each test solution was calculated by Microsoft Excel 2003 or 2007 software using the following formula
- Percent enzyme activity ⁇ [signal value]-[background signal value] ⁇ / ⁇ [DMSO control well signal value]-[background signal value] ⁇ 100
- Curve fitting was performed when the percent enzyme activity corresponding to the highest compound concentration was less than 65%.
- MCF7 cells were stimulated by adding 5 ⁇ M compound and interferon ⁇ respectively, and after culturing for 18 hours, samples were collected and detected by qPCR method; the content of DMSO in the detection reaction was 0.1%.
- the compounds to be tested were dissolved in 100% DMSO system and diluted to 10 mM for use.
- Interferon gamma was diluted in PBS (phosphate buffered saline) to a final concentration of 100 ng/mL.
- RNA of cells was extracted with RNeasy kit, and reversed to cDNA with Takara reversal kit. Take cDNA and add gene primers and SYBR TM Green reagent to detect the relative content of the target gene by qPCR method.
- the relative abundance of the target gene was obtained by reading the plate with a QuantStudio 7 instrument.
- the compound of formula (I) has a significant down-regulation effect on PD-L1 gene expression.
- MDA-MB-231 cells were stimulated by adding 250nM compound, cultured for 18 hours, and the samples were collected and detected by qPCR; the content of DMSO in the detection reaction was 0.1%.
- the compounds to be tested were dissolved in 100% DMSO system and diluted to 10 mM for use.
- RNA of cells was extracted with RNeasy kit, and reversed to cDNA with Takara reversal kit. Take cDNA and add gene primers and SYBR TM Green reagent to detect the relative content of the target gene by qPCR method.
- the relative abundance of the target gene was obtained by reading the plate with a QuantStudio 7 instrument.
- the compound of formula (I) has an efficient down-regulation effect on PD-L1 gene expression.
- mice Male CD-1 mice were used as the test animals, and the LC/MS/MS method was used to determine the drug concentration in the plasma of mice at different times after intravenous and intragastric administration of the test compounds respectively. To study its pharmacokinetic behavior in mice and evaluate its pharmacokinetic characteristics.
- Test drug test compound.
- mice 8 healthy adult male CD-1 mice were divided into 4 groups according to the principle of similar body weight, with 2 mice in each group. Animals were purchased from Shanghai Sipple-Bike Laboratory Animal Co., Ltd., animal production license number: SCXK (Shanghai) 2018-0006.
- mice Male CD-1 mice were intravenously administered with the test compound, and 30 ⁇ L of blood was collected at 0.0833, 0.25, 0.5, 1, 2 , 4, 8 and 24 hours, respectively, and placed in a commercial test tube containing EDTA-K2. After the test compound was administered to the gavage group, 30 ⁇ L of blood was collected at 0.25, 0.5, 1, 2, 4, 6, 8 and 24 hours, respectively, and placed in a commercial test tube containing EDTA-K 2 . The tubes were centrifuged at 3000g for 15 minutes to separate the plasma and stored at -60°C. Animals were allowed to eat 2 hours after dosing.
- LC/MS/MS method was used to determine the content of the test compound in the plasma of mice after intravenous and intragastric administration.
- the linear range of the method was 2.00-6000 nmol/L; plasma samples were analyzed after acetonitrile precipitation.
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Abstract
Description
吸湿性分类 | ΔW% |
潮解 | 吸收足量水分形成液体 |
极具吸湿性 | ΔW%≥15% |
有吸湿性 | 15%>ΔW%≥2% |
略有吸湿性 | 2%>ΔW%≥0.2% |
无或几乎无吸湿性 | ΔW%<0.2% |
化合物 | BRD4(BD1,BD2),IC 50(nM) |
式(I)化合物 | 28.0,6.6 |
Claims (11)
- 根据权利要求1所述的A晶型,其X射线粉末衍射图谱在下列2θ角处具有特征衍射峰:7.19±0.20°,7.78±0.20°,8.97±0.20°,11.05±0.20°,12.15±0.20°,13.18±0.20°,20.07±0.20°,22.20±0.20°。
- 根据权利要求2所述的A晶型,其X射线粉末衍射图谱在下列2θ角处具有特征衍射峰:7.19±0.20°,7.78±0.20°,8.97±0.20°,11.05±0.20°,12.15±0.20°,13.18±0.20°,13.83±0.20°,15.45±0.20°,20.07±0.20°,22.20±0.20°。
- 根据权利要求3所述的A晶型,其X射线粉末衍射图谱在下列2θ角处具有特征衍射峰:7.19°,7.78°,8.97°,9.25°,11.05°,12.15°,13.18°,13.83°,15.45°,20.07°,22.20°,23.33°。
- 根据权利要求4所述的A晶型,其XRPD图谱如图1所示。
- 根据权利要求1~5任意一项所述的A晶型,其差示扫描量热曲线在209.8±3℃处具有一个吸热峰的峰值。
- 根据权利要求6所述的A晶型,其DSC图谱如图2所示。
- 根据权利要求1~5任意一项所述的A晶型,其热重分析曲线在170.0±3℃时失重达0.79%。
- 根据权利要求8所述的A晶型,其DSC图谱如图3所示。
- 式(I)化合物的无定形,其X射线粉末衍射(XRPD)图谱如图4所示。
- 式(I)化合物A晶型的制备,包括:1)将式(I)化合物加入到溶剂中,使其成悬浊液;2)将上述悬浊液在25℃搅拌8~12小时,离心,干燥;其中,溶剂选自乙腈。
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Citations (5)
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US5712274A (en) * | 1993-09-16 | 1998-01-27 | Yoshitomi Pharmaceutical Industries, Ltd. | Thienotriazolodiazepine compounds and their pharmaceutical use |
CN1237180A (zh) * | 1996-09-13 | 1999-12-01 | 吉富制药株式会社 | 噻吩并-三唑并二氮杂䓬化合物及其医药用途 |
CN101910182A (zh) * | 2007-12-28 | 2010-12-08 | 田边三菱制药株式会社 | 抗癌剂 |
WO2019056950A1 (zh) * | 2017-09-22 | 2019-03-28 | 南京明德新药研发股份有限公司 | 噻吩并二氮杂卓衍生物及其应用 |
WO2020177762A1 (zh) * | 2019-03-07 | 2020-09-10 | 南京明德新药研发有限公司 | 同时具有BET Bromodomain蛋白抑制和PD-L1基因调控作用的化合物 |
-
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- 2021-09-07 WO PCT/CN2021/117009 patent/WO2022048685A1/zh active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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US5712274A (en) * | 1993-09-16 | 1998-01-27 | Yoshitomi Pharmaceutical Industries, Ltd. | Thienotriazolodiazepine compounds and their pharmaceutical use |
CN1237180A (zh) * | 1996-09-13 | 1999-12-01 | 吉富制药株式会社 | 噻吩并-三唑并二氮杂䓬化合物及其医药用途 |
CN101910182A (zh) * | 2007-12-28 | 2010-12-08 | 田边三菱制药株式会社 | 抗癌剂 |
WO2019056950A1 (zh) * | 2017-09-22 | 2019-03-28 | 南京明德新药研发股份有限公司 | 噻吩并二氮杂卓衍生物及其应用 |
WO2020177762A1 (zh) * | 2019-03-07 | 2020-09-10 | 南京明德新药研发有限公司 | 同时具有BET Bromodomain蛋白抑制和PD-L1基因调控作用的化合物 |
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