WO2017133683A1 - 一种tlr7激动剂的马来酸盐、其晶型c、晶型d、晶型e及其制备方法和用途 - Google Patents
一种tlr7激动剂的马来酸盐、其晶型c、晶型d、晶型e及其制备方法和用途 Download PDFInfo
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- WO2017133683A1 WO2017133683A1 PCT/CN2017/072890 CN2017072890W WO2017133683A1 WO 2017133683 A1 WO2017133683 A1 WO 2017133683A1 CN 2017072890 W CN2017072890 W CN 2017072890W WO 2017133683 A1 WO2017133683 A1 WO 2017133683A1
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- VFOKSTCIRGDTBR-UHFFFAOYSA-N CCCCOc(nc1N(Cc2cccc(CN3CCCC3)c2)C2)nc(N)c1NC2=O Chemical compound CCCCOc(nc1N(Cc2cccc(CN3CCCC3)c2)C2)nc(N)c1NC2=O VFOKSTCIRGDTBR-UHFFFAOYSA-N 0.000 description 1
- VMDGIQUJSYPMLF-UHFFFAOYSA-N CCCCOc(nc1N)nc2c1[nH]cc2Cc1ccc(CN2CCCC2)cc1 Chemical compound CCCCOc(nc1N)nc2c1[nH]cc2Cc1ccc(CN2CCCC2)cc1 VMDGIQUJSYPMLF-UHFFFAOYSA-N 0.000 description 1
- BXNMTOQRYBFHNZ-UHFFFAOYSA-N CCOCc1nc(c(N)nc2ccccc22)c2[n]1CC(C)(C)O Chemical compound CCOCc1nc(c(N)nc2ccccc22)c2[n]1CC(C)(C)O BXNMTOQRYBFHNZ-UHFFFAOYSA-N 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D487/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00
- C07D487/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00 in which the condensed system contains two hetero rings
- C07D487/04—Ortho-condensed systems
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/33—Heterocyclic compounds
- A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
- A61K31/495—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with two or more nitrogen atoms as the only ring heteroatoms, e.g. piperazine or tetrazines
- A61K31/505—Pyrimidines; Hydrogenated pyrimidines, e.g. trimethoprim
- A61K31/519—Pyrimidines; Hydrogenated pyrimidines, e.g. trimethoprim ortho- or peri-condensed with heterocyclic rings
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/01—Hydrocarbons
- A61K31/015—Hydrocarbons carbocyclic
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P1/00—Drugs for disorders of the alimentary tract or the digestive system
- A61P1/16—Drugs for disorders of the alimentary tract or the digestive system for liver or gallbladder disorders, e.g. hepatoprotective agents, cholagogues, litholytics
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
- A61P31/12—Antivirals
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
- C07B2200/00—Indexing scheme relating to specific properties of organic compounds
- C07B2200/13—Crystalline forms, e.g. polymorphs
Definitions
- the invention belongs to the field of medicinal chemistry.
- the present invention relates to a maleate salt of a TLR7 agonist, a process for the preparation thereof, a pharmaceutical composition comprising the salt, and uses thereof.
- the present invention also relates to the crystalline form C, the crystalline form D, the crystalline form E of the above salt, a process for preparing the same, a crystalline composition comprising the crystalline form, a pharmaceutical composition comprising the crystalline form or crystalline composition, and a pharmaceutical composition thereof use.
- Toll-like receptors are expressed by a variety of immune cells. Toll-like receptors recognize highly conserved structural motifs: pathogen-associated microbial patterns (PAMP) expressed by microbial pathogens or damage-associated molecular patterns (DAMP) released by necrotic cells. Activation of the signal cascade by stimulation of Toll-like receptors by the corresponding PAMP or DAMP results in activation of transcription factors such as AP-1, NF- ⁇ B and interferon regulatory factors (impulse response functions). This results in a variety of cellular responses, including the production of interferons, pro-inflammatory cytokines and effector cytokines, thereby eliciting an immune response. To date, 13 Toll-like receptors have been found in mammals.
- PAMP pathogen-associated microbial patterns
- DAMP damage-associated molecular patterns
- Toll-like receptors 1, 2, 4, 5, and 6 are predominantly expressed on the cell surface, while Toll-like receptors 3, 7, 8, and 9 are expressed in endosomes.
- Different Toll-like receptors can recognize ligands derived from different pathogens.
- Toll-like receptor 7 (TLR7) is mainly expressed by plasmacytoid dendritic cells (pDC) and induces secretion of interferon alpha (IFN- ⁇ ) by ligand recognition.
- Toll-like receptor 7 (TLR7) and Toll-like receptor 8 (TLR8) are highly homologous, and thus the TLR7 ligand is in many cases also a TLR8 ligand.
- TLR8 stimulation primarily induces the production of cytokines such as tumor necrosis factor alpha (TNF-alpha) and chemokines.
- TNF-alpha tumor necrosis factor alpha
- Interferon alpha is one of the main drugs for the treatment of chronic hepatitis B or hepatitis C, while TNF- ⁇ is a pro-inflammatory cytokine whose excessive secretion may cause serious side effects.
- TLR7 agonists have been reported to date, such as Imiquimod (British Journal of Dermatology 2003; 149 (Suppl. 66): 5-8), Resiquimod, Antiviral Research 64 (2004) 79 –83), GS-9620 (Gastroenterology (2013), 144(7), 1508-1517), but there is still a great need for new TLR7 agonists with better selectivity, activity and safety.
- the invention provides a maleate salt of a compound of formula I:
- the invention provides a crystalline form of a maleate salt of a compound of formula I, and a corresponding method of preparation and crystalline composition thereof.
- the crystalline form is Form C, Form D or Form E.
- XRPD X-ray powder diffraction
- XRPD X-ray powder diffraction
- the invention provides a pharmaceutical composition comprising one or more crystalline forms of the invention or crystalline compositions thereof.
- the pharmaceutical composition may also optionally comprise a pharmaceutically acceptable carrier, excipient and/or vehicle.
- the present invention provides a method of treating or preventing a Toll-like Receptor 7 (TLR7)-related disease, the method comprising administering to an individual in need thereof an effective amount of a crystalline form of the present invention or a crystal thereof A composition or pharmaceutical composition.
- TLR7 Toll-like Receptor 7
- the disease is a viral infection.
- the invention also provides the use of a crystalline form of the invention, or a crystalline composition or pharmaceutical composition thereof, for the manufacture of a medicament for the treatment or prevention of a Toll-like receptor 7 (TLR7)-related disease.
- TLR7 Toll-like receptor 7
- the disease is a viral infection.
- the invention also provides a crystalline form of the invention, or a crystalline composition or pharmaceutical composition thereof, for use in the treatment or prevention of a Toll-like receptor 7 (TLR7)-related disease.
- TLR7 Toll-like receptor 7
- the disease is a viral infection.
- the viral infection is a hepatitis virus infection, in particular a hepatitis B or hepatitis C virus infection.
- Figure 1 is an XRPD pattern of Form C of the maleate salt of the compound of Formula I.
- Figure 2 is an XRPD pattern of Form D of the maleate salt of the compound of Formula I.
- Figure 3 is an XRPD pattern of Form E of the maleate salt of the compound of Formula I.
- pharmaceutical composition refers to an active ingredient, optionally in combination with one or more pharmaceutically acceptable chemical ingredients such as, but not limited to, carriers and/or excipients.
- the active ingredient is, for example, a compound of formula I or a maleate thereof, one or more of the crystalline forms of the invention or one or more of the crystalline compositions of the invention.
- pharmaceutically acceptable carrier refers to those carriers which have no significant irritation to the organism and which do not impair the biological activity and properties of the active compound.
- “Pharmaceutically acceptable carrier” means an inert substance which, together with the active ingredient, which facilitates administration of the active ingredient, including, but not limited to, acceptable for human or animal use as permitted by the State Food and Drug Administration (eg Any of the glidants, sweeteners, diluents, preservatives, dyes/colorants, flavor enhancers, surfactants, wetting agents, dispersing agents, disintegrating agents, suspending agents, stabilizers, Isotonicity agent, solvent or emulsifier.
- Non-limiting examples of such carriers include calcium carbonate, calcium phosphate, various sugars and various types of starch, cellulose derivatives, gelatin, vegetable oils, and polyethylene glycols, and the like.
- Other about the carrier For information, reference may be made to Remington: The Science and Practice of Pharmacy, 21 st Ed., Lippincott, Williams & Wilkins (2005), the contents of which are incorporated herein by reference.
- the term "excipient” generally refers to the vehicle, diluent and/or medium, etc. required to formulate an effective pharmaceutical composition.
- administering refers to a method by which a compound or composition can be delivered to a desired biological site of action. These methods include, but are not limited to, oral, parenteral (including intravenous, subcutaneous, intraperitoneal, intramuscular, intravascular injection or infusion), topical, rectal administration, and the like.
- the term "effective amount” refers to a sufficient amount of a drug or agent that is non-toxic but that achieves the desired effect.
- the "effective amount" of an active substance in the composition can be the amount required to achieve the desired effect when used in combination with another active substance in the composition. The determination of the effective amount will vary from person to person, depending on the age and general condition of the recipient, and also on the particular active substance, and a suitable effective amount in a case can be determined by one skilled in the art based on routine experimentation.
- active ingredient refers to a chemical entity that is effective to treat or prevent a target disorder, disease or condition.
- the term may refer to, for example, one or more of the compounds of formula I or their maleates, one or more of the crystalline forms of the invention or the crystalline compositions of the invention.
- the diffraction pattern obtained from crystalline compounds is often characteristic for a particular crystal form, where the relative intensity of the band (especially at low angles) may be due to crystallization.
- the dominant orientation effect due to the difference in conditions, particle size, and other measurement conditions varies. Therefore, the relative intensities of the diffraction peaks are not characteristic for the crystal form to be targeted.
- the position of the peak can be shifted due to changes in temperature during sample analysis, sample movement, or calibration of the instrument, etc., and the measurement error of the 2 ⁇ value is sometimes about ⁇ 0.2°, typically about ⁇ 0.1°. Therefore, this error should be taken into account when determining each crystal structure. If the crystalline form of the invention is described as being substantially as specified in the drawings, the term "substantially” is also intended to encompass such variability in the diffraction peak position.
- d represents the crystal plane distance
- ⁇ is Diffraction angle.
- the peak positions of the XRPD spectrum have similarities as a whole, and the relative intensity error may be large.
- some of the diffraction lines are missing due to factors such as a decrease in content. At this time, it is not necessary to rely on all the bands observed in the high-purity sample, and even one band may be given.
- the crystals are characteristic.
- DSC Differential Scanning Calorimetry
- DSC differential scanning calorimetry
- crystalline composition refers to a solid form comprising one or more crystalline forms of the invention (eg, Forms C, D, and/or E).
- the amount of the crystalline form contained in the crystalline composition may each independently be 50% or more, 80% or more, 90% or more, or 95% or more.
- the crystalline composition may optionally comprise other crystalline forms or other amorphous forms of a compound of formula I or a salt thereof (such as a maleate) or an impurity other than these.
- a salt thereof such as a maleate
- the present invention provides a maleate salt of a compound of formula I:
- the molar ratio of the compound of formula I to maleic acid in the maleate salt of the compound of formula I is from 1:1 to 3, preferably 1:2.
- the maleate salt of the compound of formula I of the present invention can be prepared by a conventional maleate salt preparation process.
- XRPD X-ray diffraction
- XRPD X-ray diffraction
- the diffraction peak of Form C of the maleate salt of the compound of Formula I has the following characteristics:
- the X-ray powder diffraction pattern of Form C of the maleate salt of the compound of Formula I is substantially as shown in FIG.
- Form C can also be characterized by DSC with an onset temperature of 97.0 ° C ⁇ 5 ° C and a peak temperature of 106.0 ° C ⁇ 5 ° C.
- the molar ratio of the compound of formula I to the maleic acid in Form C is from 1:1 to 3, preferably 1:2.
- the present invention also provides a process for the preparation of Form C, which comprises precipitating a maleate salt of a compound of Formula I from a solvent.
- the method comprises the steps of:
- the solvent is selected from the group consisting of methanol, ethanol, propanol, isopropanol, n-butanol, isobutanol, tert-butanol, acetone, ethyl acetate and a mixed solvent thereof; preferably ethanol.
- the amount of the solvent to be added per 1 mol of the compound of the formula I is 0.2 to 8 L, preferably 0.3 to 4 L, more preferably 0.5 to 2 L, and most preferably 1 L.
- the heating temperature may be from 40 ° C to 90 ° C, preferably from 50 ° C to 80 ° C, more preferably from 70 ° C to 80 ° C.
- the amount of the maleic acid to be added per 1 mol of the compound of the formula I is 1.0 to 4 mol, preferably 1.6 to 3.0 mol, more preferably 2.0 to 2.4 mol, most preferably 2.2 mol.
- the invention further relates to a crystalline composition comprising the crystalline form C.
- Form C comprises 50% or more, preferably 80% or more, more preferably 90% or more, and most preferably 95% or more by weight of the crystalline composition.
- the crystalline composition in addition to Form C, may comprise other crystalline or amorphous forms of the compound of Formula I or a salt thereof or impurities other than these.
- XRPD X-ray diffraction
- XRPD X-ray diffraction
- XRPD X-ray diffraction
- the diffraction peak of Form D of the maleate salt of the compound of Formula I has the following characteristics:
- the X-ray powder diffraction pattern of Form D of the maleate salt of the compound of Formula I is substantially as shown in FIG.
- Form D can also be characterized by DSC with an onset temperature of 98.3 ° C ⁇ 5 ° C and a peak temperature of 110.1 ° C ⁇ 5 ° C.
- the molar ratio of the compound of formula I to the maleic acid in Form D is from 1:1 to 3, preferably 1:2.
- the invention also provides a method of preparing Form D, the method comprising the steps of:
- the amount of the crystal form C of the maleate salt per 1 g of the compound of the formula I is 2 to 30 mL, preferably 8 to 24 mL, more preferably 12 to 20 mL, still more preferably 14 to 16 mL.
- the constant temperature is 20 to 60 ° C, preferably 30 to 50 ° C, more preferably 35 to 45 ° C, still more preferably 40 ° C.
- the invention further relates to a crystalline composition comprising the crystalline form D.
- Form D is crystalline.
- the composition has a weight of 50% or more, preferably 80% or more, more preferably 90% or more, and most preferably 95% or more.
- the crystalline composition in addition to Form D, may comprise other crystalline or amorphous forms of the compounds of formula I or salts thereof or impurities other than these.
- XRPD X-ray diffraction
- XRPD X-ray diffraction
- the diffraction peak of Form E of the maleate salt of the compound of Formula I has the following characteristics:
- the X-ray powder diffraction pattern of Form E of the maleate salt of the compound of Formula I is substantially as shown in FIG.
- Form E of the present invention can also be characterized by DSC with an onset temperature of 85.7 ° C ⁇ 5 ° C and a peak temperature of 97.5 ° C ⁇ 5 ° C.
- the molar ratio of the compound of formula I to the maleic acid in Form E is from 1:1 to 3, preferably 1:2.
- the invention also provides a method of preparing Form E, the method comprising the steps of:
- the crystal C of the maleate salt per 1 g of the compound of the formula I corresponds to the amount of isopropanol added in an amount of 2 to 30 mL, preferably 8 to 24 mL, more preferably 12 to 20 mL, further preferably 14 to 16 mL. .
- the constant temperature is 20 to 60 ° C, preferably 30 to 50 ° C, more preferably 35 to 45 ° C, still more preferably 40 ° C.
- the invention further relates to a crystalline composition comprising the crystalline form E.
- Form E is greater than 50% by weight of the crystalline composition, preferably 80% or more, more preferably 90% or more, and most preferably 95% or more.
- the crystalline composition, in addition to Form E, may comprise other crystalline or amorphous forms of the compound of Formula I or a salt thereof or impurities other than these.
- the present invention provides a pharmaceutical composition comprising an effective amount of a maleate salt of a compound of formula I; Form C or a crystalline composition comprising said Form C; Form D or comprising said Form D Crystalline composition; or Form E or a crystalline composition comprising the Form E, or any combination thereof.
- the pharmaceutical compositions may or may not contain pharmaceutically acceptable carriers, excipients, and/or vehicles.
- the pharmaceutical composition of the present invention can be prepared by combining the compound of the present invention or a salt thereof with a suitable pharmaceutically acceptable carrier, for example, it can be formulated into a solid, semi-solid, liquid or gaseous preparation such as a tablet, a pill, or a capsule.
- a suitable pharmaceutically acceptable carrier for example, it can be formulated into a solid, semi-solid, liquid or gaseous preparation such as a tablet, a pill, or a capsule.
- the pharmaceutical composition of the present invention can be produced by a method well known in the art, such as a conventional mixing method, a dissolution method, a granulation method, a drag coating method, a grinding method, an emulsification method, a freeze drying method, and the like.
- Typical routes of administration of a compound of the invention or a pharmaceutical composition thereof include, but are not limited to, oral, rectal, transmucosal, enteral administration, or topical, transdermal, inhalation, parenteral, sublingual, intravaginal, intranasal, Intraocular, intraperitoneal, intramuscular, subcutaneous, intravenous administration.
- the pharmaceutical composition is in oral form.
- the pharmaceutical compositions may be formulated by admixing the active compound withpharmaceutically acceptable carriers, excipients and/or vehicles which are well known in the art. These carriers, excipients and vehicles enable the compounds of the present invention to be formulated into tablets, pills, troches, dragees, capsules, liquids, gels, slurries, suspensions, etc. for oral administration to patients. Dosing.
- Solid oral compositions can be prepared by conventional methods of mixing, filling or tabletting. For example, it can be obtained by mixing the active compound with a solid excipient, optionally milling the resulting mixture, adding other suitable adjuvants if necessary, and then processing the mixture into granules. The core of a tablet or dragee.
- Suitable excipients include, but are not limited to, fillers such as sugars including lactose, sucrose, mannitol Or sorbitol; cellulose preparations such as microcrystalline cellulose, corn starch, wheat starch, rice starch and potato starch; and other substances such as silica gel, gelatin, tragacanth, methylcellulose, hydroxypropyl methylcellulose , hydroxymethylcellulose sodium and / or polyvinylpyrrolidone; disintegrating agents, such as sodium carboxymethyl starch, croscarmellose sodium, cross-linked polyvinylpyrrolidone, agar or alginic acid, may also use salts, such as Sodium alginate.
- the core of the dragee may optionally be coated according to methods well known in the ordinary pharmaceutical practice, especially using enteric coatings.
- the crystal form C, the crystal form D and the crystal form E of the maleate salt of the compound of the formula I of the invention have the advantages of high purity, high crystallinity, good stability, and the like, and are suitable for preparation for preventing or treating Toll-like samples.
- Drug for body 7 (TLR7) related diseases are included in the crystal form C, the crystal form D and the crystal form E of the maleate salt of the compound of the formula I of the invention.
- a pharmaceutical composition comprising an effective amount of a maleate salt of a compound of the formula I as described in the paragraph [1] or [2].
- the disease is a viral infection, in particular a hepatitis virus infection, such as a hepatitis B or hepatitis C virus infection.
- the solvent in the step 1) is selected from the group consisting of methanol, ethanol, propanol, isopropanol, n-butanol, isobutanol, tert-butanol, Acetone, ethyl acetate or a mixed solvent thereof.
- the heating temperature may be selected from 40 ° C to 90 ° C, preferably 50 ° C to 80 ° C, and more. It is preferably 70 ° C to 80 ° C.
- a pharmaceutical composition comprising an effective amount of the crystalline form C as described in any of paragraphs [6] to [10] or the crystalline composition according to the paragraph [17].
- the disease is a viral infection, in particular a hepatitis virus infection, such as a hepatitis B or hepatitis C virus infection.
- the crystal form D according to any one of paragraphs [21] to [24], characterized in that, when characterized by DSC, the starting temperature of the crystal form D is 98.3 ° C ⁇ 5 ° C, the peak value The temperature was 110.1 ° C ⁇ 5 ° C.
- the constant temperature is 20 to 60 ° C, preferably 30 to 50 ° C, more preferably 35 ⁇ 45 ° C, more preferably 40 ° C.
- a pharmaceutical composition comprising an effective amount of the crystalline form D as described in any of paragraphs [21] to [25] or the crystalline composition according to the paragraph [29].
- the disease is a viral infection, in particular a hepatitis virus infection, such as a hepatitis B or hepatitis C virus infection.
- Form E according to any one of the paragraphs [33]-[35], wherein the Form E has an X-ray powder diffraction pattern substantially as shown in FIG.
- the amount of the isopropanol added per 1 g of the maleic acid salt of the compound of the formula I is 2 to 2 30 mL, preferably 8 to 24 mL, more preferably 12 to 20 mL, most preferably 14 to 16 mL.
- the constant temperature is 20 to 60 ° C, preferably 30 to 50 ° C, more preferably 35 to 45 ° C, More preferably, it is 40 °C.
- a pharmaceutical composition comprising an effective amount of the crystalline form E as described in any of paragraphs [33] to [37] or the crystalline composition according to paragraph [41].
- the disease is a viral infection, in particular a hepatitis virus infection, such as a hepatitis B or hepatitis C virus infection.
- SEM-Cl for 2-(trimethylsilyl)ethoxymethyl chloride
- SEM for 2-(trimethylsilyl)ethoxymethyl
- DIPEA for diisopropylethylamine
- TFA stands for trifluoroacetic acid
- DMF stands for N,N-dimethylformamide
- n-BuOH stands for n-butanol
- NH 3 ⁇ H 2 O stands for ammonia water
- Na stands for sodium metal
- XRPD stands for X-ray powder diffraction
- DSC stands for difference Thermal analysis.
- the compound of formula II (2,4-dichloro-5H-pyrrolo[3,2-d]pyrimidine) (4.00 kg, 21.28 mol) was dissolved in DMF (20.00 L) and batched at room temperature (25 ° C) DIPEA (2.58 kg, 20.00 mol) was added followed by stirring for 30 min.
- the reaction liquid was cooled to 0 ° C with an ice bath, and then SEM-Cl (4.00 kg, 24.00 mol) was slowly added dropwise at a dropping rate of 1-2 drops/sec over 5 hours. After completion of the dropwise addition, the reaction solution was stirred at 0 ° C for 4 hours. The reaction was monitored by HPLC.
- the compound of formula V (1.10 kg, 3.27 mol) was dissolved in TFA (5.50 L) and the reaction was stirred at 25 ° C for 16 h.
- the reaction was monitored by HPLC, the TFA was evaporated under reduced pressure, and the residue was dissolved in methanol (1.2 L) and ice water (1.2 L), and the mixture was adjusted to pH 12 with concentrated aqueous ammonia, then stirred for 2 hours. There are constant precipitations. After filtration, the filter cake was obtained as a white solid, which was purified from 15% aqueous ammonia (1.times.times.times.3) and ethyl acetate (4L) to give the compound of formula VI (550.00g, 2.67mol, 81.7%) as a white solid. .
- the compound of the formula VIII (440.0 g, 1.11 mol) and dichloromethane (7.0 L) were placed in a 20 L reactor and stirred to cool the system to below -15 °C. After triethylsilane (880 mL, 5.55 mol) was added dropwise to the system, trifluoroacetic acid (880 mL) was further added dropwise, and the temperature was kept below -10 °C during the dropwise addition. After the completion of the dropwise addition, the reaction was carried out at 0 ° C for 2 hr, and the liquid phase was monitored until the starting point disappeared.
- the reaction mixture was concentrated to dryness, and ethyl acetate (2.2 L) was added, and the mixture was cooled to below 0 °C.
- the obtained cake was beaten with 2.2 L of water, filtered, and dried under reduced pressure to give 550 g of trifluoroacetic acid salt of the compound of formula I as a white solid.
- the compound of formula I (3.80 g, 10 mmol) was added to 10 mL of ethanol and dissolved by heating. To the solution was added maleic acid (2.55 g, 22 mmol). The solution was then allowed to naturally cool to room temperature and allowed to stand for 1-2 hours. The precipitate was filtered, and the solid was dried under reduced pressure using an oil pump to give the compound of the formula I, the salt of the compound of the formula I. In the obtained maleate salt, the molar ratio of the compound of the formula I to maleic acid was 1:2.
- maleate salt form C 50 mg was added 0.8 mL of acetone to form a suspension.
- the suspension sample was shaken on a thermostat (40 ° C) for 2 days (protected from light).
- the residual solid was centrifuged and dried overnight in a vacuum oven at 40 ° C to give the compound D of the compound of formula I in solid form.
- the molar ratio of the compound of the formula I to maleic acid was 1:2.
- maleate salt form C 50 mg was added 0.8 mL of isopropanol to form a suspension.
- the suspension sample was shaken on a thermostat (40 ° C) for 2 days (protected from light).
- the residual solid was centrifuged and dried overnight in a vacuum oven at 40 ° C to give the compound of formula I, maleate salt, E in solid form.
- the molar ratio of the compound of the formula I to maleic acid was 1:2.
- Forms C, D and E prepared in Examples 1-3 were placed in open clean containers, respectively, and placed at 60 ° C, and samples were taken on days 10, 20 and 30, respectively. The test results were compared with the initial test results on day 0.
- the crystal forms C, D and E prepared in Examples 1-3 were respectively placed in a constant temperature and humidity container for accelerated test under the conditions of 40 ° C / 75% humidity (open), and samples were taken on the 30th, 60th and 90th days. Detection. Test results with day 0 The initial test results are compared.
- Forms C, D, and E prepared in Examples 1-3 were each placed in a light environment of 5000 Lx ⁇ 500 Lx, and samples were taken on Days 5, 10, and 30. The test results were compared with the initial test results on day 0.
- GS-9620 and R848 used are as follows, wherein GS-9620 can be prepared by the method disclosed in US20100143301; R848 is purchased from Baiqi Bio (Cat. No. IMG-2208, specification 0.5 mg).
- the culture plate containing the cells and the compound was cultured in a CO 2 incubator for 24 hours under the conditions of 37 ° C, 5% CO 2 concentration.
- the compound of formula I of the present invention exhibits higher in vitro receptor binding activity to Toll-like receptor 7 than the control (Toll-like receptor 7 agonist GS-9620), as well as the control substance ( Toll-like receptor 7 agonist GS-9620) has lower in vitro receptor binding activity to Toll-like receptor 8.
- the compounds of the invention have significant selectivity differences for different receptors and are superior to the prior art.
- the purpose of this example was to detect the expression level of cytokines after stimulating human peripheral blood mononuclear cells (PBMC) for 24 hours using the compound of formula I.
- the cell supernatant was not diluted at the time of detection, and the level of IFN- ⁇ was directly detected.
- the compound of formula I was first formulated into a 20 mmol concentration DMSO stock solution, and a 10-fold serial dilution of the cell culture medium was used to dilute a total of 11 points.
- the compound with 9 dilution points (the highest concentration of compound was 200 ⁇ mol/L) was added to a 96-well plate at 50 ⁇ L per well, and then fresh human peripheral blood mononuclear cells were seeded, and each well was inoculated with 150 ⁇ L of system containing 450,000 cells. .
- the cell culture plates were incubated for 24 hours at 37 ° C in a 5% CO 2 incubator.
- the compounds of formula I of the present invention exhibit better IFN-[alpha]-inducing activity of PBMCs in vitro and TNF-[alpha]-inducing activity comparable to the control (GS-9620) compared to the control (GS-9620).
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Abstract
Description
序号 | 2θ±0.2(°) | 相对强度(%) | 序号 | 2θ±0.2(°) | 相对强度(%) |
1 | 5.6 | 22.0 | 19 | 20.7 | 14.1 |
2 | 6.0 | 18.7 | 20 | 21.3 | 5.8 |
3 | 7.6 | 100.0 | 21 | 21.7 | 5.6 |
4 | 9.4 | 8.0 | 22 | 22.4 | 5.1 |
5 | 9.9 | 87.7 | 23 | 22.8 | 41.9 |
6 | 10.2 | 9.8 | 24 | 23.1 | 17.7 |
7 | 11.1 | 13.8 | 25 | 24.2 | 42.1 |
8 | 12.0 | 16.5 | 26 | 24.7 | 19.7 |
9 | 12.9 | 2.5 | 27 | 25.0 | 26.6 |
10 | 15.3 | 18.7 | 28 | 25.4 | 3.7 |
11 | 16.6 | 5.5 | 29 | 25.9 | 8.7 |
12 | 16.9 | 7.0 | 30 | 26.3 | 35.2 |
13 | 17.8 | 30.0 | 31 | 28.0 | 8.3 |
14 | 18.1 | 9.4 | 32 | 28.6 | 10.9 |
15 | 18.5 | 15.5 | 33 | 29.3 | 4.4 |
16 | 19.1 | 9.9 | 34 | 30.4 | 7.2 |
17 | 19.8 | 25.4 | 35 | 33.2 | 3.5 |
18 | 20.4 | 18.1 |
序号 | 2θ±0.2(°) | 相对强度(%) | 序号 | 2θ±0.2(°) | 相对强度(%) |
1 | 5.1 | 100.0 | 16 | 19.6 | 4.4 |
2 | 5.6 | 11.5 | 17 | 20.2 | 35.6 |
3 | 7.0 | 2.7 | 18 | 20.7 | 19.0 |
4 | 8.7 | 2.6 | 19 | 21.4 | 3.5 |
5 | 9.5 | 36.2 | 20 | 22.6 | 12.3 |
6 | 10.3 | 3.1 | 21 | 23.0 | 20.1 |
7 | 11.2 | 23.5 | 22 | 23.7 | 17.7 |
8 | 12.0 | 3.1 | 23 | 24.5 | 14.8 |
9 | 14.2 | 2.5 | 24 | 26.4 | 6.1 |
10 | 16.2 | 4.2 | 25 | 27.1 | 3.1 |
11 | 16.9 | 11.2 | 26 | 27.7 | 3.3 |
12 | 17.6 | 33.6 | 27 | 28.4 | 5.2 |
13 | 18.3 | 4.7 | 28 | 28.8 | 8.7 |
14 | 18.8 | 2.0 | 29 | 30.7 | 3.8 |
15 | 19.2 | 5.3 |
序号 | 2θ±0.2(°) | 相对强度(%) | 序号 | 2θ±0.2(°) | 相对强度(%) |
1 | 4.9 | 100.0 | 9 | 16.5 | 15.4 |
2 | 5.3 | 10.4 | 10 | 17.7 | 2.0 |
3 | 6.7 | 6.9 | 11 | 19.3 | 7.2 |
4 | 8.2 | 2.8 | 12 | 22.0 | 4.6 |
5 | 8.6 | 2.7 | 13 | 22.6 | 4.0 |
6 | 9.0 | 7.9 | 14 | 24.3 | 2.3 |
7 | 10.8 | 5.1 | 15 | 25.9 | 3.4 |
8 | 16.2 | 3.9 | 16 | 27.1 | 2.8 |
化合物名称 | TLR7 EC50(nM) | TLR8 EC50(nM) |
GS-9620 | 517 | 7867 |
式I化合物 | 160 | 11632 |
化合物名称 | IFN-αMEC(nM) | TNF-αMEC(nM) |
GS-9620 | 50 | 500 |
式I的化合物 | 5 | 500 |
Claims (10)
- 一种制备权利要求2所述的晶型C的方法,所述方法包括以下步骤:1)将式I所示化合物溶解于溶剂中;2)加入马来酸;和3)冷却析晶,过滤,洗涤并干燥以获得所述晶型C,其中所述溶剂选自甲醇、乙醇、丙醇、异丙醇、正丁醇、异丁醇、叔丁醇、丙酮、乙酸乙酯及其混合溶剂;优选乙醇。
- 一种制备权利要求4所述的晶型D的方法,所述方法包括以下步骤:1)将式I所示化合物的马来酸盐的晶型C置于丙酮溶剂中,形成混悬液;2)在恒定温度下振摇;和3)离心分离、洗涤并干燥以获得所述晶型D。
- 一种制备权利要求6所述的晶型E的方法,所述方法包括以下步骤:1)将式I所示化合物的马来酸盐的晶型C置于异丙醇溶剂中,形成混悬液;2)在恒定温度下振摇;和3)离心分离、洗涤并干燥以获得所述晶型E。
- 一种结晶组合物,其特征在于,权利要求2所述的晶型C占所述结晶组合物重量的50%以上,优选80%以上,更优选90%以上,最优选95%以上;或者权利要求4所述的晶型D占所述结晶组合物重量的50%以上,优选80%以上,更优选90%以上,最优选95%以上;或者权利要求6所述的晶型E占所述结晶组合物重量的50%以上,优选80%以上,更优选90%以上,最优选95%以上。
- 一种药物组合物,其特征在于,所述药物组合物包含有效量的权利要求1所述的式I所示化合物的马来酸盐、权利要求2所述的晶型C、权利要求4所述的晶型D、权利要求6所述的晶型E、权利要求8所述的结晶组合物或者它们的任意组合。
- 权利要求1所述的式I所示化合物的马来酸盐、权利要求2所述的晶型C、权利要求4所述的晶型D、权利要求6所述的晶型E、权利要求8所述的结晶组合物或权利要求9所述的药物组合物在制备用于治疗Toll样受体7相关疾病的药物中的用途。
Priority Applications (21)
Application Number | Priority Date | Filing Date | Title |
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MYPI2018702706A MY196762A (en) | 2016-02-05 | 2017-02-04 | Tlr7 agonist maleate salt, crystalline forms c, d and e thereof, preparation methods and uses of maleate salt and crystalline forms |
MX2018009500A MX2018009500A (es) | 2016-02-05 | 2017-02-04 | Sal de maleato de agonista de tlr7, sus formas cristalinas c, d y e, sus metodos de preparacion y usos de la sal de maleato y formas cristalinas. |
BR112018015881-0A BR112018015881B1 (pt) | 2016-02-05 | 2017-02-04 | Sal de maleato de agonista de tlr7, formas cristalinas, c, d e e, seus processos de preparação e seus usos, e composições cristalina e farmacêutica |
EA201891770A EA038794B1 (ru) | 2016-02-05 | 2017-02-04 | Малеатная соль агониста tlr7, ее кристаллические формы c, d и e, способы получения и применение малеатной соли и кристаллических форм |
NZ745231A NZ745231A (en) | 2016-02-05 | 2017-02-04 | Tlr7 agonist maleate salt, crystalline forms c, d and e thereof, preparation methods and uses of maleate salt and crystalline forms |
ES17747003T ES2834303T3 (es) | 2016-02-05 | 2017-02-04 | Sal de maleato de agonista de TLR7, formas cristalinas C, D y E de la misma, métodos de preparación y usos de la sal de maleato y las formas cristalinas |
JP2018540750A JP6898336B2 (ja) | 2016-02-05 | 2017-02-04 | Tlr7アゴニストのマレイン酸塩、その結晶形c、d及びe、マレイン酸塩及び結晶形の調製方法及び使用 |
CN201780009746.0A CN108602830B (zh) | 2016-02-05 | 2017-02-04 | 一种tlr7激动剂的马来酸盐、其晶型c、晶型d、晶型e及其制备方法和用途 |
CA3013682A CA3013682C (en) | 2016-02-05 | 2017-02-04 | Maleate salt of a pyrrolo[3,2-d]pyrimidine compound as tlr7 agonist and crystalline forms c, d and e thereof |
AU2017215800A AU2017215800B2 (en) | 2016-02-05 | 2017-02-04 | TLR7 agonist maleate salt, crystalline forms C, D and E thereof, preparation methods and uses of maleate salt and crystalline forms |
KR1020187024626A KR102393279B1 (ko) | 2016-02-05 | 2017-02-04 | Tlr7 작용제 말레에이트 염, 이의 결정형 c, d 및 e, 말레에이트 염 및 결정형의 제조 방법 및 용도 |
SG11201806682TA SG11201806682TA (en) | 2016-02-05 | 2017-02-04 | Tlr7 agonist maleate salt, crystalline forms c, d and e thereof, preparation methods and uses of maleate salt and crystalline forms |
US16/075,080 US10780091B2 (en) | 2016-02-05 | 2017-02-04 | TLR7 agonist maleate salt, crystalline forms C, D and E thereof, preparation methods and uses of maleate salt and crystalline forms |
DK17747003.6T DK3412671T3 (da) | 2016-02-05 | 2017-02-04 | TLR7-agonist-maleatsalt, krystallinske former C, D og E deraf, fremgangsmåder til fremstilling og anvendelser af maleatsalt og krystallinske former |
EP17747003.6A EP3412671B1 (en) | 2016-02-05 | 2017-02-04 | Tlr7 agonist maleate salt, crystalline forms c, d and e thereof, preparation methods and uses of maleate salt and crystalline forms |
UAA201809085A UA123781C2 (uk) | 2016-02-05 | 2017-02-04 | Малеатна сіль агоніста tlr7, її кристалічні форми c, d і e, способи одержання і застосування малеатної солі і кристалічних форм |
ZA2018/05185A ZA201805185B (en) | 2016-02-05 | 2018-08-01 | Tlr7 agonist maleate salt, crystalline forms c, d and e thereof, preparation methods and uses of maleate salt and crystalline forms |
IL260965A IL260965B (en) | 2016-02-05 | 2018-08-02 | The malate salt as an agonist of tlr7, its c, d and e crystal structures, preparation methods and uses of the malate salt and the crystal structures |
PH12018501644A PH12018501644A1 (en) | 2016-02-05 | 2018-08-02 | Tlr7 agonist maleate salt, crystalline forms c, d and e thereof, preparation methods and uses of maleate salt and crystalline forms |
HK19101224.5A HK1259175A1 (zh) | 2016-02-05 | 2019-01-24 | 一種tlr7激動劑的馬來酸鹽、其晶型c、晶型d、晶型e及其製備方法和用途 |
US16/991,639 US20200368241A1 (en) | 2016-02-05 | 2020-08-12 | Tlr7 agonist maleate salt, crystalline forms c, d and e thereof, preparation methods and uses of maleate salt and crystalline forms |
Applications Claiming Priority (2)
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CN201610082030.0A CN107043380A (zh) | 2016-02-05 | 2016-02-05 | 一种tlr7激动剂的马来酸盐、其晶型c、晶型d、晶型e、制备方法和用途 |
CN201610082030.0 | 2016-02-05 |
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US16/075,080 A-371-Of-International US10780091B2 (en) | 2016-02-05 | 2017-02-04 | TLR7 agonist maleate salt, crystalline forms C, D and E thereof, preparation methods and uses of maleate salt and crystalline forms |
US16/991,639 Continuation US20200368241A1 (en) | 2016-02-05 | 2020-08-12 | Tlr7 agonist maleate salt, crystalline forms c, d and e thereof, preparation methods and uses of maleate salt and crystalline forms |
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WO2017133683A1 true WO2017133683A1 (zh) | 2017-08-10 |
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US (2) | US10780091B2 (zh) |
EP (1) | EP3412671B1 (zh) |
JP (1) | JP6898336B2 (zh) |
KR (1) | KR102393279B1 (zh) |
CN (2) | CN107043380A (zh) |
AR (1) | AR107547A1 (zh) |
AU (1) | AU2017215800B2 (zh) |
CA (1) | CA3013682C (zh) |
CL (1) | CL2018002089A1 (zh) |
DK (1) | DK3412671T3 (zh) |
EA (1) | EA038794B1 (zh) |
ES (1) | ES2834303T3 (zh) |
HK (1) | HK1259175A1 (zh) |
HU (1) | HUE052211T2 (zh) |
IL (1) | IL260965B (zh) |
MX (1) | MX2018009500A (zh) |
MY (1) | MY196762A (zh) |
NZ (1) | NZ745231A (zh) |
PH (1) | PH12018501644A1 (zh) |
SG (1) | SG11201806682TA (zh) |
TW (1) | TWI778951B (zh) |
UA (1) | UA123781C2 (zh) |
WO (1) | WO2017133683A1 (zh) |
ZA (1) | ZA201805185B (zh) |
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