TWI565711B - Polymorphs of pyrazole derivatives - Google Patents

Description

Polymorph of pyrazole derivatives

The invention belongs to the technical field of pharmaceutical preparation, in particular to a 3,4,5-trihydroxy-6-(3-methyl-(1-propyl-(S)-pyrrolidin-3-yl)-6,7, Polymorph of 8,9-tetrahydro-3H-pyrazolo[3,4-c]isoquinolin-5-oxy)-tetrahydro-2H-pyran-2-carboxylic acid. .

Poly(ADP-ribose) polymerase (PARP), also known as poly ADP-ribose synthase (PARS) or polyadenylation diphosphate transferase (PADPRT), is present in the true One of the key nuclear ribozyme families in nuclear cells. Up to now, PARP has been identified as a large family of 18 ribozymes, and the most abundant member of PARP-1 has more than 90% of the polymerization of ribose diphosphate.

Another member, PARP-2, is structurally closest to PARP-1, and both contain three regions: one is a DNA-binding and nucleic acid localization region containing two "zinc finger" structures, which are identified by a "zinc finger" structure. DNA damage; followed by a central self-modifying region containing 15 highly conserved glutamate residues, considered to be the target of autopoly ADP ribosylation; and the third is the inclusion of NAD binding sites and synthetic polyadegs The C-terminal region of the ribose phosphate ribose catalytic site. In human whole body cells, especially in immune cells and germ cells, the content of PARP is quite abundant. Poly ADP ribosylation occurs in many physiological processes, and its multiple functions include chromatin degradation, DNA replication, DNA repair, gene expression, cell division and differentiation, and cell death.

PARP also regulates the expression of various proteins at the transcriptional level, including NO synthase, which mediates inflammation. As a sensor for single or double strand damage of DNA, PARP plays a key role in DNA damage response. When the double strand or single strand of DNA breaks due to the action of radiation, oxidizing agents and alkylating drugs, the PARP activity is significantly enhanced. Once activated, PARP cleaves NAD into nicotinamide and ADP ribose and polymerizes the latter into nuclear receptors including histones, transcription factors, and PARP itself. On the body protein, a highly branched adenosine diphosphate ribose polymer (PAR) similar to the nucleic acid is formed. The formation of this highly polymer with a high negative charge results in an electrostatic pulse between the DNA and the combined protein, and the chromatin structure is relaxed.

PARP facilitates chromatin recombination, DNA repair, and transcriptional regulation. Invasion of other DNA repair enzymes such as XRCCl/LIGIII is a key step in the DNA repair mechanism. Poly ADP-ribose polymerase plays a opposite role in DNA damage: on the one hand, PARP is an important factor in cell survival and maintains chromosome stability; on the other hand, PARP overactivation leads to cell death. One of the important reasons. The main reason for this contradiction is the degree of DNA damage caused by external stimuli (such as alkylating agents, radiation, oxidation, etc.). When the cells are slightly damaged, PARP is activated to repair the damaged part; when the cells are subjected to strong damage, PARP is overactivated, which will consume a large amount of NAD, thereby depleting ATP in the cells, leaving the cells in an energy-deficient state. , which leads to necrosis or death of the cells.

Compound 3,4,5-trihydroxy-6-(3-methyl-(1-propyl-(S)-pyrrolidin-3-yl)-6,7,8,9-tetrahydro-3H-pyridyl Zizo[3,4-c]isoquinolin-5-oxy)-tetrahydro-2H-pyran-2-carboxylic acid, the structure is as follows: It was first published in WO2011147296 and is also a PARP inhibitor drug for the treatment of breast cancer, ovarian cancer, melanoma, prostate cancer, pancreatic cancer, glioma, colon cancer and other tumor diseases. There is a need for other solid forms of Compound (I) for the development of bulk drugs and pharmaceuticals. The invention thus proceeds.

The object of the present invention is to provide a 3,4,5-trihydroxy-6-(3-methyl-(1-propyl-(S)-pyrrolidin-3-yl)-6,7,8,9-tetra Hydrogen-3H-pyrazolo[3,4-c]isoquinolin-5-oxy)-tetrahydro-2H- A new crystalline form of pyran-2-carboxylic acid, including the solvate form. These polymorphs show new physical properties that can be used to obtain new pharmacological properties and that can be used in the development of bulk drugs and pharmaceutical products.

In order to solve these problems in the prior art, the present invention provides a technical solution: a crystalline form of the compound of the formula (I), Or a solvate of the crystalline form of the compound of formula (I), or a salt of the crystalline form of the compound of formula (I), or a solvate of the salt of the crystalline form of the compound of formula (I).

A preferred solvate of the crystalline form of the compound of formula (I) having crystalline form A wherein the polymorph is characterized by powder XRD spectroscopy at a 2 θ diffraction angle of 7.412°, 9.451°, 12.094 °, 12.990, 13.459, 14.185, 14.674, 14.999, 16.499, 17.131, 18.090, 19.393, 19.606, 21.320, 21.961, 22.570, 23.238, 23.867, 24.117, 24.444 °, 25.822 °, 28.188 ° , 29.099 °, 30.145 °, 30.732 °, 32.883 °, 33.784 °, 35.299 ° , and 38.492 ° at a peak; wherein the diffraction angle 2 θ error of +/- 0.2 °.

A preferred solvate of the crystalline form of the compound of formula (I) having an XRD spectrum as shown in Figure 1 and Table 1.

A preferred solvate of the crystalline form of the compound of formula (I) having crystalline form B wherein the polymorph is characterized by powder XRD spectroscopy at a 2 θ diffraction angle of 5.509°, 6.333°, 8.367 °, 10.184, 12.785, 13.936, 14.568, 15.000, 16.670, 16.826, 17.186, 17.773, 18.630, 19.391, 20.750, 22.350, 23.038, 23.745, 24.900, There is a peak at 25.393°; where the 2 θ diffraction angle error is +/- 0.2°.

A preferred solvate of the crystalline form of the compound of formula (I) having the structure shown in Figure 2 And the XRD spectrum shown in Table 2.

A preferred solvate of the crystalline form of the compound of formula (I) having crystalline Form C wherein said polymorph is characterized by powder XRD spectroscopy at a 2 θ diffraction angle of 7.327°, 8.506°, 9.365 °, 10.257°, 11.211°, 12.013°, 12.889°, 13.431°, 13.976°, 14.665°, 15.088°, 15.731°, 16.389°, 16.962°, 17.820°, 18.679°, 19.495°, 21.232°, 22.452°, 23.153 °, 23.752 °, 24.984 ° , 25.741 °, 26.876 °, 28.071 °, 29.989 ° at a peak; wherein the diffraction angle 2 θ error of +/- 0.2 °.

A preferred solvate of the crystalline form of the compound of formula (I) having an XRD spectrum as shown in Figures 3 and 3.

A preferred solvate of the crystalline form of the compound of formula (I) having crystalline form D wherein the polymorph is characterized by powder XRD spectroscopy at a 2 θ diffraction angle of 8.862°, 10.488°, 11.212 °, 11.421°, 12.771°, 13.968°, 14.335°, 15.025°, 17.959°, 19.063°, 19.627°, 21.239°, 21.978°, 22.624°, 23.437°, 24.697°, 26.667°, 28.195°, 31.235°, There is a peak at 35.724°; where the 2 θ diffraction angle error is +/- 0.2°.

A preferred solvate of the crystalline form of the compound of formula (I) having an XRD spectrum as shown in Figures 4 and 4.

A preferred solvate of the crystalline form of the compound of formula (I) having polymorph E, wherein the polymorph is characterized by powder XRD spectroscopy at a 2 θ diffraction angle of 7.211°, 8.949°, 9.267, 10.633, 11.245, 11.505, 11.702, 12.799, 14.127, 15.269, 16.321, 18.187, 19.238, 21.247, 22.200, 22.898, 23.255, 23.653 , 25.771 °, 26.828 °, 28.477 °, 35.495 ° at a peak; wherein the diffraction angle 2 θ error of +/- 0.2 °.

A preferred solvate in the crystalline form of the compound of formula (I) has an XRD spectrum as shown in Figures 5 and 5.

A preferred compound of formula (I) having a polymorph F wherein the polymorph is characterized by powder XRD spectroscopy at a 2 θ diffraction angle of 7.268°, 10.158°, 13.020°, 13.496°, 14.708°, 15.975°, 16.972°, 17.994°, 19.582°, 20.414°, 21.226°, 22.168°, 23.085°, 24.112°, 26.290°, 28.405°, 30.936°, 36.389° with peaks; 2 θ diffraction angle The error is +/- 0.2°.

Preferred compounds of formula (I) having XRD light as shown in Figure 6 and Table 6 Spectrum.

A preferred compound of formula (I) having a polymorph G wherein the polymorph is characterized by powder XRD spectroscopy at a 2 θ diffraction angle of 7.360°, 9.087°, 10.704°, 11.358°, 11.732, 13.130, 14.285, 15.338, 16.949, 18.217, 19.312, 19.871, 21.677, 22.282, 23.253, 23.937, 24.995, 26.926, 28.691, 31.586, 35.946 There is a peak at which the 2 θ diffraction angle error is +/- 0.2°.

A preferred compound of formula (I) having an XRD spectrum as shown in Figures 7 and 7.

Another object of the present invention is to provide a pharmaceutical composition comprising the crystalline compound and a pharmaceutically acceptable carrier or diluent.

Another object of the invention is to provide a method for treating a disease mediated by PARP comprising administering to a patient in need of such treatment an effective amount of said compound.

Preferably, the disease mediated by PARP is selected from the group consisting of breast cancer, ovarian cancer, melanoma, prostate cancer, pancreatic cancer, glioma, colon cancer.

Another object of the present invention is to provide a use of the crystalline compound described for the preparation of a medicament for the treatment of a disease mediated by PARP.

Preferably, the disease is selected from the group consisting of breast cancer, ovarian cancer, melanoma, prostate cancer, pancreatic cancer, glioma, colon cancer.

The crystalline compound is a crystalline form of the compound, or a solvate of the crystalline form of the compound, or a crystalline form of the salt of the compound, or a solvate of the crystalline form of the salt of the compound.

Another object of the present invention is to provide a process for producing the above compound, which comprises the step of crystallizing a compound of the formula (I) with water or a mixed solvent of water and another solvent.

Preferably, the other solvent in the method is selected from the group consisting of n-hexane, cyclohexane, ethyl cyclohexane, toluene, xylene, chlorobenzene, dichloromethane, chloroform, 1,2-dichloroethane, methanol, and ethanol. , one or more of propanol, isopropanol, ethyl formate, ethyl acetate, diethyl ether, anisole, diisopropyl ether, acetone, cyclohexanone, acetonitrile, tetrahydrofuran, DMF, dimethyl hydrazine random combination.

Preferably, the method specifically includes the following steps: (1) The compound 3,4,5-trihydroxy-6-(3-methyl-(1-propyl-(S)-pyrrolidin-3-yl)-6,7,8,9-tetrahydro -3H-pyrazolo[3,4-c]isoquinolin-5-oxy)-tetrahydro-2H-pyran-2-carboxylic acid is added to water or a mixed solvent of water and other solvents, and is dissolved by heating; (2) The solid was precipitated by cooling to room temperature, and after filtration, it was naturally air-dried to obtain a white crystalline powder.

Preferably, the method further comprises 3,4,5-trihydroxy-6-(3-methyl-(1-propyl-(S)-pyrrolidin-3-yl)-6 which has been prepared, Conversion of one crystal form of 7,8,9-tetrahydro-3H-pyrazolo[3,4-c]isoquinolin-5-oxy)-tetrahydro-2H-pyran-2-carboxylic acid to other crystals Type of steps.

Preferably, in the process, 3,4,5-trihydroxy-6-(3-methyl-(1-propyl-(S)-pyrrolidin-3-yl)-6,7,8,9- The crystal form of tetrahydro-3H-pyrazolo[3,4-c]isoquinolin-5-oxy)-tetrahydro-2H-pyran-2-carboxylic acid is selected from the group consisting of 3,4,5-trihydroxy- 6-(3-Methyl-(1-propyl-(S)-pyrrolidin-3-yl)-6,7,8,9-tetrahydro-3H-pyrazolo[3,4-c]iso Non-solvated crystalline form and solvated crystalline form of quinoline-5-oxy)-tetrahydro-2H-pyran-2-carboxylic acid.

Compound 3,4,5-trihydroxy-6-(3-methyl-(1-propyl-(S)-pyrrolidin-3-yl)-6,7,8,9-tetrahydro-3H-pyridyl Various crystalline forms of oxazo[3,4-c]isoquinolin-5-oxy)-tetrahydro-2H-pyran-2-carboxylic acid, including solvates with water, solvates with methanol, and ethanol Solvates, solvates with ethanol, solvates with acetone, solvates with tetrahydrofuran, and solvates with N,N-dimethylformamide.

The solvate of the crystalline form of the present invention has the same meaning as the solvated crystalline form. Namely 3,4,5-trihydroxy-6-(3-methyl-(1-propyl-(S)-pyrrolidin-3-yl)-6,7,8,9-tetrahydro-3H-pyridyl The aqueous solvate of oxazo[3,4-c]isoquinolin-5-oxy)-tetrahydro-2H-pyran-2-carboxylic acid is 3,4,5-trihydroxy-6-(3- Methyl-(1-propyl-(S)-pyrrolidin-3-yl)-6,7,8,9-tetrahydro-3H-pyrazolo[3,4-c]isoquinoline-5- Aqueous solvated crystalline form of oxy)-tetrahydro-2H-pyran-2-carboxylic acid.

Compound 3,4,5-trihydroxy-6-(3-methyl-(1-propyl-(S)-pyrrolidin-3-yl)-6,7,8,9-tetrahydro-3H-pyridyl The solvate of oxazo[3,4-c]isoquinolin-5-oxy)-tetrahydro-2H-pyran-2-carboxylic acid and water is simultaneously decomposed by melting at 180 °C.

Compound 3,4,5-trihydroxy-6-(3-methyl-(1-propyl-(S)-pyrrolidin-3-yl)-6,7,8,9-tetrahydro-3H-pyridyl The solvate of oxazo[3,4-c]isoquinolin-5-oxy)-tetrahydro-2H-pyran-2-carboxylic acid and water is prepared by the compound 3,4,5-trihydroxyl -6-(3-methyl-(1-propyl-(S)-pyrrolidin-3-yl)-6,7,8,9-tetrahydro-3H-pyrazolo[3,4-c] Isoquinoline-5-oxy)-tetrahydro-2H-pyran-2- Formic acid is crystallized with water or water and other mixed solvents.

The solvent to be used is, but not limited to, an alkane such as n-hexane, cyclohexane, ethylcyclohexane; an aromatic hydrocarbon such as toluene, xylene, chlorobenzene; an alkyl halide such as dichloromethane or chloroform. 1,2-dichloroethane; alcohols, such as: methanol, ethanol, propanol, isopropanol; esters, for example: ethyl formate, ethyl acetate; ethers, such as: ether, anisole, iso A propyl ether; a ketone such as acetone, cyclohexanone; a nitrile such as acetonitrile; a furan such as tetrahydrofuran; an guanamine such as DMF; an anthracene such as dimethyl hydrazine.

Specifically, the method may include the following steps: by using the compound 3,4,5-trihydroxy-6-(3-methyl-(1-propyl-(S)-pyrrolidin-3-yl)-6,7,8, 9-tetrahydro-3H-pyrazolo[3,4-c]isoquinolin-5-oxy)-tetrahydro-2H-pyran-2-carboxylic acid is added to water or a mixture of water and other solvents, Heat to dissolve and then cool to room temperature to precipitate solids or suspension and stir, filter, filter cake into the beaker, add acetone to stir, filter, filter cake spread on the petri dish, placed in a cool, ventilated place, naturally dried, white Crystalline powder.

Compound 3,4,5-trihydroxy-6-(3-methyl-(1-propyl-(S)-pyrrolidin-3-yl)-6,7,8,9-tetrahydro-3H-pyridyl The solvate of oxazo[3,4-c]isoquinolin-5-oxy)-tetrahydro-2H-pyran-2-carboxylic acid and water can be converted to other crystal forms under certain conditions.

Compound 3,4,5-trihydroxy-6-(3-methyl-(1-propyl-(S)-pyrrolidin-3-yl)-6,7,8,9-tetrahydro-3H-pyridyl Other crystalline forms of oxazo[3,4-c]isoquinolin-5-oxy)-tetrahydro-2H-pyran-2-carboxylic acid can be converted to solvates with water under certain conditions.

Solvate with water, solvate with methanol, solvate with ethanol, solvate with ethanol, solvate with acetone, solvate with tetrahydrofuran, solvate with N,N-dimethylformamide Under certain conditions, they can be transformed into each other.

Solvate with water, solvate with methanol, solvate with ethanol, solvate with ethanol, solvate with acetone, solvate with tetrahydrofuran, solvate with N,N-dimethylformamide These compounds are useful in the preparation of a medicament for the treatment of a PARP mediated disease for use in a PARP inhibitor for the treatment of breast cancer, ovarian cancer, melanoma, prostate cancer, pancreatic cancer, glioma, colon cancer.

The present invention is further described below in conjunction with the accompanying drawings and embodiments: Figure 1 is 3,4,5-trihydroxy-6-(3-methyl-(1-propyl-(S)-pyrrolidin-3-yl)-6,7,8,9-tetrahydro-3H X-ray powder diffraction pattern of the crystalline form A of pyrazolo[3,4-c]isoquinolin-5-oxy)-tetrahydro-2H-pyran-2-carboxylic acid; FIG. 2 is 3, 4 ,5-trihydroxy-6-(3-methyl-(1-propyl-(S)-pyrrolidin-3-yl)-6,7,8,9-tetrahydro-3H-pyrazolo[3 , X-ray powder diffraction spectrum of 4-C]isoquinoline-5-oxy)-tetrahydro-2H-pyran-2-carboxylic acid, Form B; Figure 3 is 3,4,5-trihydroxy- 6-(3-Methyl-(1-propyl-(S)-pyrrolidin-3-yl)-6,7,8,9-tetrahydro-3H-pyrazolo[3,4-c]iso X-ray powder diffraction spectrum of crystalline form C of quinoline-5-oxy)-tetrahydro-2H-pyran-2-carboxylic acid; Figure 4 is 3,4,5-trihydroxy-6-(3-methyl Base-(1-propyl-(S)-pyrrolidin-3-yl)-6,7,8,9-tetrahydro-3H-pyrazolo[3,4-c]isoquinoline-5-oxo X-ray powder diffraction spectrum of Form D of tetrakis-tetrahydro-2H-pyran-2-carboxylic acid; Figure 5 is 3,4,5-trihydroxy-6-(3-methyl-(1-propane) Benzyl-(S)-pyrrolidin-3-yl)-6,7,8,9-tetrahydro-3H-pyrazolo[3,4-c]isoquinolin-5-oxy)-tetrahydro- X-ray powder diffraction spectrum of Form E of 2H-pyran-2-carboxylic acid; Figure 6 is 3,4,5-trihydroxy-6-(3-methyl-(1-propyl-(S)- Pyrrole Alkan-3-yl)-6,7,8,9-tetrahydro-3H-pyrazolo[3,4-c]isoquinolin-5-oxy)-tetrahydro-2H-pyran-2- X-ray powder diffraction spectrum of Form F of formic acid; Figure 7 is 3,4,5-trihydroxy-6-(3-methyl-(1-propyl-(S)-pyrrolidin-3-yl) Form G of -6,7,8,9-tetrahydro-3H-pyrazolo[3,4-c]isoquinolin-5-oxy)-tetrahydro-2H-pyran-2-carboxylic acid X-ray powder diffraction spectrum; Figure 8 is 3,4,5-trihydroxy-6-(3-methyl-(1-propyl-(S)-pyrrolidin-3-yl)-6,7,8 , DSC and TGA measurements of crystal form A of 9-tetrahydro-3H-pyrazolo[3,4-c]isoquinolin-5-oxy)-tetrahydro-2H-pyran-2-carboxylic acid .

The technical solution of the present invention will be further described in detail below with reference to the accompanying drawings and embodiments.

Polymorphs and properties: the present invention relates to 3,4,5-trihydroxy-6-(3-methyl-(1-propyl-(S)-pyrrolidin-3-yl)-6,7,8, 9-tetrahydro-3H-pyrazolo[3,4-c]isoquinolin-5-oxy)-tetrahydro-2H-pyran-2-carboxylic acid Crystal form. 3,4,5-trihydroxy-6-(3-methyl-(1-propyl-(S)-pyrrolidin-3-yl)-6,7,8,9-tetrahydro-3H-pyrazole And [3,4-c]isoquinolin-5-oxy)-tetrahydro-2H-pyran-2-carboxylic acid, also known as a compound of formula (I) or compound I, originally described in WO2011147296, which patent The content is incorporated herein by reference. As described herein, Compound I may be in crystalline form, including solvated forms, in one or more polymorphic forms. These polymorphs (alternatively referred to in the art as polymorphs or crystalline forms) are based on their X-ray powder diffraction pattern, spectral properties, physicochemical properties and pharmacokinetic properties, and their thermodynamic stability. The words are different.

For some reason, it is desirable to obtain different polymorphs of crystalline Compound I, solvates thereof, salts thereof, and solvates of their salts. For example, different polymorphs may contain different impurities upon crystallization, ie, impurities contained in Form A are not necessarily included in Form B, C or D. Thus, repeated preparations of different polymorphs of Compound I can be utilized to increase the purity of the resulting crystalline form. In addition, different polymorphs may exhibit different physical properties (such as melting point, hygroscopicity, solubility, flow characteristics, or thermodynamic stability), so different polymorphs may be selected for a given use or aspect (eg, The most intermediate in the preparation of the drug, in different forms of administration (such as tablets, capsules, ointments, suspensions or solvents), or in the manufacture of pharmaceutical dosage forms with optimal pharmacokinetic properties) Suitable form.

Thus, in one aspect, the invention provides a crystalline form of a compound of formula (I), or a solvate of a crystalline form of a compound of formula (I), or a salt of a crystalline form of a compound of formula (I), or a formula Solvate of the salt of the crystalline form of the compound of I).

The compound of formula (I) may have crystal form A. Form A can be defined with reference to one or more characteristic signals from analytical measurements; including, but not necessarily limited to, X-ray powder diffraction patterns, FT-IR spectra, or differential scanning calorimetry thermal analysis of FIG. Figure.

In one embodiment of the invention, the compound of formula (I) has Form A. Form A is a specific solvate of the compound of formula (I), ie, 3,4,5-trihydroxy-6-(3-methyl-(1-propyl-(S)-pyrrolidin-3-yl) a solvent of 6,7,8,9-tetrahydro-3H-pyrazolo[3,4-c]isoquinolin-5-oxy)-tetrahydro-2H-pyran-2-carboxylic acid and water Compound. The solvate can be defined with reference to one or more characteristic signals from analytical measurements including, but not necessarily limited to, the X-ray powder diffraction pattern of FIG. Form A can also be defined with reference to one or more of the following characteristic signals: Form A is expressed in degrees 2 θ , at 2 θ diffraction angles of 7.412°, 9.451°, 12.094°, 12.990°, 13.459°, 14.185 °, 14.674, 14.999, 16.499, 17.131, 18.090, 19.393, 19.606, 21.320, 21.961, 22.570, 23.238, 23.867, 24.117, 24.444, 25.822, 28.188, 29.099 °, 30.145 °, 30.732 ° , 32.883 °, 33.784 °, 35.299 ° , and 38.492 ° two-theta, where the diffraction angle 2 θ error of +/- 0.2 °.

In another embodiment, Form A exhibits an X-ray powder diffraction pattern substantially in accordance with Figure 1 and Table 1.

These characteristic signals are measured by CuKa ray as a characteristic X-ray powder diffraction measurement, the spectrum of which has a 2 θ diffraction angle and a D value, and the 2 θ diffraction angle error is +/- 0.2°.

Form A can be further characterized by thermal analysis in the range of 30 to 300 °C. Figure 8 shows the DSC and TGA measurements taken on a TAQ200 differential sweep meter and a TAQ500 thermogravimetric analyzer.

Form A shows a process of decrystallizing water between 34.9 ° C and 100 ° C, and 16.45% of water is lost, indicating the presence of five crystal waters (the theoretical value of water content in the solvate containing 5 crystal waters is 15.5%) (weight ratio)). DSC measurements indicate melt decomposition between 180 ° C and 300 ° C.

In one embodiment, the compound of formula (I) has Form B. Form B is another specific solvate of the compound of formula (I), namely 3,4,5-trihydroxy-6-(3-methyl-(1-propyl-(S)-pyrrolidin-3- ,6,7,8,9-tetrahydro-3H-pyrazolo[3,4-c]isoquinolin-5-oxy)-tetrahydro-2H-pyran-2-carboxylic acid with methanol Solvate. The solvate can be defined with reference to one or more characteristic signals from analytical measurements, including those not necessarily limited to the X-ray powder diffraction pattern of FIG. Form B can also be defined with reference to one or more of the following characteristic signals: In one embodiment, Form B is at a 2 θ diffraction angle of 5.509°, 6.333°, 8.367°, 10.184°, 12.785°, 13.936 °, 14.568°, 15.000°, 16.670°, 16.826°, 17.186°, 17.773°, 18.630°, 19.391°, 20.750°, 22.350°, 23.038°, 23.745°, 24.900°, 25.393° with peaks; 2 θ The diffraction angle error is +/- 0.2°. In another embodiment, Form B exhibits an X-ray powder diffraction pattern substantially in accordance with Figures 2 and 2.

These characteristic signals are measured by CuKa ray as a characteristic X-ray powder diffraction measurement, the spectrum of which has a 2 θ diffraction angle and a D value, and the 2 θ diffraction angle error is +/- 0.2°.

In one embodiment, the compound of formula (I) has Form C. Form C is another specific solvate of the compound of formula (I), namely 3,4,5-trihydroxy-6-(3-methyl-(1-propyl-(S)-pyrrolidin-3- ,6,7,8,9-tetrahydro-3H-pyrazolo[3,4-c]isoquinolin-5-oxy)-tetrahydro-2H-pyran-2-carboxylic acid and ethanol Solvate. The solvate can be defined with reference to one or more characteristic signals from analytical measurements including, but not necessarily limited to, the X-ray powder diffraction pattern of FIG. Form C can also be defined with reference to one or more of the following characteristic signals: In one embodiment, Form C is shown as having a degree of 2 θ , wherein the polymorph is characterized by powder XRD spectroscopy, the powder XRD spectra diffraction angle 2 θ 7.327 °, 8.506 °, 9.365 ° , 10.257 °, 11.211 °, 12.013 °, 12.889 °, 13.431 °, 13.976 °, 14.665 °, 15.088 °, 15.731 °, 16.389 °, 16.962 °, 17.820 °, 18.679 °, 19.495 °, 21.232 °, 22.452 °, 23.153 °, 23.752 °, 24.984 °, 25.741 °, 26.876 °, 28.071 °, 29.989 ° at a peak; wherein 2 θ diffraction angle error of + / -0.2°. In another embodiment, Form C exhibits an X-ray powder diffraction pattern substantially in accordance with Figures 3 and 3.

These characteristic signals are measured by CuKa ray as a characteristic X-ray powder diffraction measurement, the spectrum of which has a 2 θ diffraction angle and a D value, and the 2 θ diffraction angle error is +/- 0.2°.

In one embodiment, the compound of formula (I) has Form D. Form D is another specific solvate of the compound of formula (I), namely 3,4,5-trihydroxy-6-(3-methyl-(1-propyl-(S)-pyrrolidin-3- ,6,7,8,9-tetrahydro-3H-pyrazolo[3,4-c]isoquinolin-5-oxy)-tetrahydro-2H-pyran-2-carboxylic acid and ethanol Solvate. The solvate can be defined with reference to one or more characteristic signals from analytical measurements including, but not necessarily limited to, the X-ray powder diffraction pattern of FIG. Form D can also be defined with reference to one or more of the following characteristic signals: In one embodiment, Form D is shown as having a degree of 2 θ , wherein the polymorph is characterized by powder XRD spectroscopy, the powder XRD spectra diffraction angle 2 θ 8.862 °, 10.488 °, 11.212 ° , 11.421 °, 12.717 °, 13.968 °, 14.335 °, 15.025 °, 17.959 °, 19.063 °, 19.627 °, 21.239 °, 21.978 °, 22.624 There are peaks at °, 23.437 °, 24.697 °, 26.667 °, 28.195 °, 31.235 °, 35.724 °; where the 2 θ diffraction angle error is +/- 0.2 °. In another embodiment, Form D exhibits an X-ray powder diffraction pattern substantially in accordance with Figures 4 and 4.

These characteristic signals are measured by CuKa ray as a characteristic X-ray powder diffraction measurement, the spectrum of which has a 2 θ diffraction angle and a D value, and the 2 θ diffraction angle error is +/- 0.2°.

In one embodiment, the compound of formula (I) has Form E. Form E is another specific solvate of the compound of formula (I), namely 3,4,5-trihydroxy-6-(3-methyl-(1-propyl-(S)-pyrrolidin-3- ,6,7,8,9-tetrahydro-3H-pyrazolo[3,4-c]isoquinolin-5-oxy)-tetrahydro-2H-pyran-2-carboxylic acid with acetone Solvate. The solvate can be defined with reference to one or more characteristic signals from analytical measurements including, but not necessarily limited to, the X-ray powder diffraction pattern of FIG. Form E can also be defined with reference to one or more of the following characteristic signals: In one embodiment, Form E is shown as having a degree of 2 θ , wherein the polymorph is characterized by powder XRD spectroscopy, the powder XRD spectra diffraction angle 2 θ 7.211 °, 8.949 °, 9.267 ° , 10.633 °, 11.245 °, 11.505 °, 11.702 °, 12.799 °, 14.127 °, 15.269 °, 16.321 °, 18.187 °, 19.238 °, 21.247 There are peaks at °, 22.200 °, 22.898 °, 23.255 °, 23.653 °, 23.959 °, 25.771 °, 26.828 °, 28.477 °, 35.495 °; where the 2 θ diffraction angle error is +/- 0.2 °. In another embodiment, Form E exhibits an X-ray powder diffraction pattern substantially in accordance with Figures 5 and 5.

These characteristic signals are measured by CuKa ray as a characteristic X-ray powder diffraction measurement, the spectrum of which has a 2 θ diffraction angle and a D value, and the 2 θ diffraction angle error is +/- 0.2°.

In one embodiment, the compound of formula (I) has Form F. Form F is an unsolvate of a compound of formula (I). The asolvate can be defined with reference to one or more characteristic signals from analytical measurements including, but not necessarily limited to, the X-ray powder diffraction pattern of FIG. Form F can also be defined with reference to one or more of the following characteristic signals: In one embodiment, Form F is shown as having a degree of 2 θ , wherein the polymorph is characterized by powder XRD spectroscopy, the powder XRD spectra diffraction angle 2 θ 7.268 °, 10.158 °, 13.020 ° , 13.496 °, 14.708 °, 15.975 °, 16.972 °, 17.994 °, 19.582 °, 20.414 °, 21.226 °, 22.168 °, 23.085 °, 24.112 °, 26.290 °, 28.405 °, 30.936 °, 36.389 ° at a peak; wherein the diffraction angle 2 θ error of +/- 0.2 °. In another embodiment, Form F exhibits an X-ray powder diffraction pattern substantially in accordance with Figures 6 and 6.

These characteristic signals are measured by CuKa ray as a characteristic X-ray powder diffraction measurement, the spectrum of which has a 2 θ diffraction angle and a D value, and the 2 θ diffraction angle error is +/- 0.2°.

At the same time, the X powder diffraction characteristic absorption peaks (2 θ ) and D values of Form F (see Table 6) and Form G (see Table 7) are respectively provided as follows. CuKa rays are used as characteristic X-rays with an error of ±0.2. .

In one embodiment, the compound of formula (I) has Form G. Form G is another unsolvate of the compound of formula (I). The asolvate can be defined with reference to one or more characteristic signals from analytical measurements including, but not necessarily limited to, the X-ray powder diffraction pattern of FIG. Form G can also be defined with reference to one or more of the following characteristic signals: In one embodiment, Form G is shown as having a degree of 2 θ , wherein the polymorph is characterized by powder XRD spectroscopy, the powder XRD spectra diffraction angle 2 θ 7.306 °, 9.087 °, 10.704 ° , 11.358 °, 11.732 °, 13.130 °, 14.285 °, 15.338 °, 16.949 °, 18.217 °, 19.312 °, 19.871 °, 21.677 °, 22.282 There are peaks at °, 23.253 °, 23.937 °, 24.995 °, 26.926 °, 28.691 °, 31.586 °, 35.946 °; where the 2 θ diffraction angle error is +/- 0.2 °. In another embodiment, Form G exhibits an X-ray powder diffraction pattern substantially in accordance with Figures 7 and 7.

Methods of Treatment: The present invention also provides a method for preventing, alleviating or treating a plurality of clinical conditions, such as cancer, caused by abnormal PARP activity in a patient in need of such treatment, the method comprising administering to the patient an effective A quantity of a compound of formula (I), especially crystal form A, B, C, D, E, F or G.

The term "patient" as used herein refers to a mammal, preferably a human.

In one aspect, the invention provides a method for treating a disease mediated by PARP A method comprising administering to a patient in need of such treatment an effective amount of a compound of formula (I), particularly Form A, B, C, D, E, F or G.

Such diseases which can be treated or prevented by the methods or pharmaceutical compositions of the invention include, but are not limited to, liver cancer, melanoma, Hodgkin's disease, non-Hodgkin's lymphoma, acute lymphoblastic leukemia, chronic lymphoid leukemia, multiple myeloma , neuroblastoma, breast cancer, ovarian cancer, lung cancer, Wilms tumor, cervical cancer, testicular cancer, soft tissue sarcoma, primary macroglobulinemia, bladder cancer, chronic myeloid leukemia, primary Brain cancer, malignant melanoma, small cell lung cancer, gastric cancer, colon cancer, malignant pancreatic islet tumor, malignant carcinoid cancer, choriocarcinoma, mycosis fungoides, head or neck cancer, osteogenic sarcoma, pancreatic cancer, Acute myeloid leukemia, hairy cell leukemia, rhabdomyosarcoma, Kaposi's sarcoma, genitourinary tumor, thyroid cancer, esophageal cancer, malignant hypercalcemia, cervical hyperplasia, renal cell carcinoma, endometrial cancer, true Polycythemia, idiopathic thrombocytosis, adrenocortical carcinoma, skin cancer, and prostate cancer. Other diseases caused by abnormal PARP activity include, but are not limited to, excessive cell death, including central nervous system diseases such as stroke and neurodegenerative diseases.

In still another embodiment of the method, the disease is selected from the group consisting of breast cancer, ovarian cancer, melanoma, prostate cancer, pancreatic cancer, glioma, colon cancer. The compounds of the present invention can be used in the manufacture of a medicament for use in a PARP inhibitor for the treatment of breast cancer, ovarian cancer, melanoma, prostate cancer, pancreatic cancer, glioma, colon cancer.

In one aspect, the invention provides a method for the treatment of a disease as set forth above, which method comprises administering to a patient in need of such treatment an effective amount of a compound of formula (I), in particular crystalline form A, B, C, D, E, F or G. In another aspect, the present invention provides a method for treating a disease caused by abnormal PARP activity, the method comprising administering to a patient in need of such treatment an effective amount of Form A, B, C, D, E, F Or a compound of formula (I) of G. The invention further provides a compound of formula (I), in particular crystal form A, B, C, D, E, F or G, for use in the preparation of a prophylactic, ameliorating or treating condition, disorder or disease mediated by activation of PARP The use of the drug.

In one aspect, the invention provides the use of a compound of formula (I), in particular crystalline form A, B, C, D, E, F or G, for the manufacture of a medicament for the treatment of a disease mediated by PARP. In one embodiment of this use, the disease is cancer, such as the diseases listed above. In another aspect, the invention provides the use of a compound of formula (I), in particular crystalline form A, B, C, D, E, F or G, for the manufacture of a medicament for the treatment of the diseases listed above.

Pharmaceutical Composition: The compounds of the present invention are useful as active ingredients in pharmaceutical compositions which are effective in the treatment of diseases associated with PARP (e.g., cancer). The pharmaceutical compositions of the various embodiments have a pharmaceutically effective amount of a compound of formula (I) (particularly Form A, B, C, D, E, F or G) and other pharmaceutically acceptable excipients, Carrier, filler, diluent, and the like. "Pharmaceutically effective amount" or "pharmaceutically acceptable amount" refers to a variety of forms for treating or preventing a PARP-related disease, such as a protein kinase-associated disease, particularly a PARP-related disorder and/or a disease or condition described herein. It is a necessary or sufficient amount for learning symptoms and physical symptoms.

The term "pharmaceutical composition" includes preparations suitable for administration to a mammal, such as a human. When the compounds of the invention are administered to a mammal (e.g., a human) as a medicament, they may be in their own form or in a pharmaceutical combination containing, for example, from 0.1% to 99.9%, more preferably from 0.5 to 90%, of the active ingredient together with a pharmaceutically acceptable carrier. Given in the form of objects.

The term "pharmaceutically acceptable carrier" is art recognized and includes pharmaceutically acceptable materials, compositions or carriers suitable for administering a compound of the invention to a mammal. The carrier includes a liquid or solid filler, diluent, excipient, solvent or encapsulating material that is involved in bringing the agent from one organ or part of the body to another or to another part of the body. Each carrier must be "acceptable" in the sense of being compatible with the other ingredients of the formulation and not deleterious to the patient. Some examples of materials that can be used as pharmaceutically acceptable carriers include: sugars such as lactose, glucose, and sucrose; starches such as corn starch and potato starch; cellulose, and derivatives thereof, such as sodium carboxymethylcellulose, Ethyl cellulose, and cellulose acetate; powdered tragacanth; malt; gelatin; talc; excipients, such as cocoa butter and suppository waxes; oils, such as peanut oil, cottonseed oil, safflower oil, sesame oil, Olive oil, corn oil and soybean oil; glycols such as propylene glycol; polyols such as glycerin, sorbitol, mannitol and polyethylene glycol; esters such as ethyl oleate and ethyl laurate; agar; Buffering agents such as magnesium hydroxide and aluminum hydroxide; alginic acid; pyrogen-free water; isotonic saline; Ringer's solution; ethanol; phosphate buffer solution; other non-toxic compatible substances used in pharmaceutical preparations. Wetting agents, emulsifiers and lubricants (such as sodium lauryl sulfate and magnesium stearate), as well as coloring agents, mold release agents, coating agents, sweeteners, flavoring and fragrances, preservatives and antioxidants It may also be present in these compositions.

Formulations of the invention include those suitable for oral, nasal, topical, buccal, sublingual, rectal, vaginal and/or parenteral administration. These systems The agents may conveniently be presented in unit dosage form and may be prepared by any methods known in the art of pharmacy.

In another aspect, the invention provides a pharmaceutical composition comprising Form A, and a pharmaceutically acceptable carrier or diluent. In another embodiment, the pharmaceutical composition comprises Form B, and a pharmaceutically acceptable carrier or diluent. In yet another embodiment, the pharmaceutical composition comprises Form C, and a pharmaceutically acceptable carrier or diluent. In still another embodiment, the pharmaceutical composition comprises Form D, and a pharmaceutically acceptable carrier or diluent.

In one embodiment, the pharmaceutical composition comprises less than 0.1% by weight of Form A, B, C, D, E, F or G, based on the total weight of the compound of Formula (I) in the composition. In another embodiment, the pharmaceutical composition comprises less than 1% by weight of Form A, B, C, D, E, F or G, based on the total weight of the compound of Formula (I) in the composition. In yet another embodiment, the pharmaceutical composition comprises less than 10.0% by weight of Form A, B, C, D, E, F or G based on the total weight of the compound of Formula (I) in the composition. In still another embodiment, the pharmaceutical composition comprises less than 50.0% by weight of Form A, B, C, D, E, F or G based on the total weight of the compound of Formula (I) in the composition. In another embodiment, the pharmaceutical composition comprises at least 50.0% by weight of Form A, B, C, D, E, F or G based on the total weight of the compound of formula (I) in the composition. In still another embodiment, the pharmaceutical composition comprises at least 75.0% by weight of Form A, B, C, D, E, F or G based on the total weight of the compound of formula (I) in the composition. In yet another embodiment, the pharmaceutical composition comprises at least 99.0% by weight of Form A, B, C, D, E, F or G based on the total weight of the compound of Formula (I) in the composition. In yet another embodiment, the pharmaceutical composition comprises at least 99.9% by weight of Form A, B, C, D, E, F or G based on the total weight of the compound of Formula (I) in the composition.

The above scheme will be further described below in conjunction with specific embodiments. It is to be understood that the examples are intended to illustrate the invention and not to limit the scope of the invention. The implementation conditions employed in the examples can be further adjusted according to the conditions of the specific manufacturer, and the unspecified implementation conditions are usually the conditions in the conventional experiment. 3,4,5-trihydroxy-6-(3-methyl-(1-propyl-(S)-pyrrolidin-3-yl)-6,7,8,9-tetra as used in the following examples Hydrogen-3H-pyrazolo[3,4-c]isoquinolin-5-oxy)-tetrahydro-2H-pyran-2-carboxylic acid compound was synthesized according to the method provided in WO 2011147296 A1, with a purity of 99.52%.

Example 1 Preparation of Form A

In a 500 mL three-necked flask equipped with a thermometer, a stirrer, and a condenser, 50g 3,4,5-trihydroxy-6-(3-methyl-(1-propyl-(S)-pyrrolidin-3-yl)-6,7,8,9-tetrahydro-3H-pyridyl Zoxao[3,4-c]isoquinolin-5-oxy)-tetrahydro-2H-pyran-2-carboxylic acid was stirred while adding 300 mL of purified water, and heated to complete dissolution in a 75 ° C water bath.

The mixture was cooled in a water bath for 30 minutes, and a large amount of white solid was precipitated. The refrigerator was placed in a refrigerator (5 ° C) for 4 to 5 hours, and the water pump was filtered to obtain no droplets.

Under the condition of 25 °C, 250 mL of acetone was used to wash the filter cake for 30 min. The water pump was filtered, and the filter cake was rinsed once with a small amount of acetone. The water pump was filtered to a liquid drop, and it was naturally dried in a cool place for 24 hours to obtain 48.5 g of white crystalline powder. The XRPD measurement showed a crystal form A with a purity of 99.91% (HPLC normalization method).

Example 2 Conversion of Form B to Form A

Weigh 0.5 g of the compound 3,4,5-trihydroxy-6-(3-methyl-(1-propyl-(S)-pyrrolidin-3-yl)-6,7,8,9-tetra Hydrogen-3H-pyrazolo[3,4-c]isoquinolin-5-oxy)-tetrahydro-2H-pyran-2-carboxylic acid Form B, added to a 50 mL beaker and added to the beaker A mixture of anhydrous methanol and purified water of 10 mL (V water: V anhydrous methanol = 3:1) was suspended and stirred at room temperature for 0.5 hour, and the solid suspension was filtered off with suction, and dried in a cool place. The white-like crystalline solid powder showed a crystal form A as determined by X powder diffraction, and the purity was 99.56% (HPLC normalization method).

Example 3 Conversion of Form C to Form A

Weigh 0.5 g of the compound 3,4,5-trihydroxy-6-(3-methyl-(1-propyl-(S)-pyrrolidin-3-yl)-6,7,8,9-tetra Hydrogen-3H-pyrazolo[3,4-c]isoquinolin-5-oxy)-tetrahydro-2H-pyran-2-carboxylic acid Form C, added to a 50 mL beaker and added to the beaker 20mL (V water: V absolute ethanol = 1:1) of a mixture of absolute ethanol and purified water, suspension stirring for 0.5 hours at room temperature, the solid suspension was filtered off with suction, and dried in a cool place. The white-like crystalline solid powder was found to be Form A by X-ray diffraction, and the purity was 99.52% (HPLC normalization method).

Example 4 Conversion of Form D to Form A

Weigh 0.5 g of the compound 3,4,5-trihydroxy-6-(3-methyl-(1-propyl-(S)-pyrrolidin-3-yl)-6,7,8,9-tetra Hydrogen-3H-pyrazolo[3,4-c]isoquinolin-5-oxy)-tetrahydro-2H-pyran-2-carboxylic acid Form D, added to a 50 mL beaker and added to the beaker 20mL (V water: V absolute ethanol = 1:5) of a mixture of anhydrous ethanol and purified water, suspension stirring at room temperature for 0.5 hours, the solid suspension was filtered off with suction, and dried in a cool place. The white-like crystalline solid powder was found to be crystalline form A by X-ray diffraction, and the purity was 99.53% (HPLC normalization method).

Example 5 Conversion of Form E to Form A

Weigh 0.5 g of the compound 3,4,5-trihydroxy-6-(3-methyl-(1-propyl-(S)-pyrrolidin-3-yl)-6,7,8,9-tetra Hydrogen-3H-pyrazolo[3,4-c]isoquinolin-5-oxy)-tetrahydro-2H-pyran-2-carboxylic acid Form E, added to a 50 mL beaker and added to the beaker 15mL (V water: V acetone = 1:5) mixture of acetone and purified water, suspension stirring for 0.5 hours at room temperature, the solid suspension was filtered off with suction, and dried in the shade to obtain an off-white The crystalline solid powder was found to be Form A by X-ray diffraction, and the purity was 99.59% (HPLC normalization method).

Example 6 Conversion of Form F to Form A

Take a clean and dry weighing bottle, weigh 45.6278g, add a small amount of compound 3,4,5-trihydroxy-6-(3-methyl-(1-propyl-(S)-pyrrolidin-3-yl )-6,7,8,9-tetrahydro-3H-pyrazolo[3,4-c]isoquinolin-5-oxy)-tetrahydro-2H-pyran-2-carboxylic acid Form F Weighing, the total weight of the sample and weighing bottle is 45.7803g, put the weighing bottle into the constant humidity incubator, the temperature is controlled at 25 ° C, the relative humidity is 90±5%, the weighing is carried out for 5 days, the sample is weighed, the sample and the weighing bottle are total. The weight was 45.8061, and the weight gain was 16.92%. The result of X powder diffraction measurement showed crystal form A, and the purity was 99.56% (HPLC normalization method).

Example 7 Conversion of Form G to Form A

Weigh 0.5 g of the compound 3,4,5-trihydroxy-6-(3-methyl-(1-propyl-(S)-pyrrolidin-3-yl)-6,7,8,9-tetra Hydrogen-3H-pyrazolo[3,4-c]isoquinolin-5-oxy)-tetrahydro-2H-pyran-2-carboxylic acid Form G, added to a 50 mL beaker and added to the beaker 15mL (V water: V acetone = 1:5) mixture of acetone and purified water, suspension stirring for 0.5 hours at room temperature, the solid suspension was filtered off with suction, and dried in the shade to obtain an off-white The crystalline solid powder showed a crystal form A by X-ray diffraction measurement and the purity was 99.53% (HPLC normalization method).

Example 8 Conversion of Form A to Form B

2g of 3,4,5-trihydroxy-6-(3-methyl-(1-propyl-(S)-pyrrolidin-3-yl)-6,7,8,9- at room temperature Form A compound of tetrahydro-3H-pyrazolo[3,4-c]isoquinolin-5-oxy)-tetrahydro-2H-pyran-2-carboxylic acid, added to a 100 mL beaker while A premixed V water: 12 mL of a mixed solution of V methanol = 1:10 was added, and after stirring for 30 minutes, the suspended solid was filtered off with suction and pumped to a free drop.

The filter cake was flattened and placed in a cool, natural air-dried manner to obtain 1.76 g of a white crystalline powder. The result of X powder diffraction measurement showed crystal form B, and the purity was 99.63% (HPLC normalization method).

Example 9 Conversion of Form A to Form C

2g of 3,4,5-trihydroxy-6-(3-methyl-(1-propyl-(S)-pyrrolidin-3-yl)-6,7,8,9- at room temperature Form A compound of tetrahydro-3H-pyrazolo[3,4-c]isoquinolin-5-oxy)-tetrahydro-2H-pyran-2-carboxylic acid, added to a 100 mL beaker while 10 mL of a premixed V water: V ethanol = 1:3 mixed solution was added, and after stirring for 30 minutes, the suspended solid was filtered off with suction to extract no droplets.

The filter cake was flattened and placed in a cool, natural air-dried manner to obtain 1.82 g of a white crystalline powder. The result of X powder diffraction measurement showed crystal form C, and the purity was 99.59% (HPLC normalization method).

Example 10 Conversion of Form A to Form D

2g of 3,4,5-trihydroxy-6-(3-methyl-(1-propyl-(S)-pyrrolidin-3-yl)-6,7,8,9- at room temperature Form A compound of tetrahydro-3H-pyrazolo[3,4-c]isoquinolin-5-oxy)-tetrahydro-2H-pyran-2-carboxylic acid, added to a 100 mL beaker while After adding 20 mL of absolute ethanol and stirring for 30 minutes, the suspended solid was filtered off with suction and pumped until no droplets were obtained. The filter cake was spread flat and placed in a cool, natural air-dried manner to obtain 1.92 g of a white crystalline powder. The result of X powder diffraction measurement showed a crystal form D with a purity of 99.63% (HPLC normalization method).

Example 11 Conversion of Form A to Form E

2g of 3,4,5-trihydroxy-6-(3-methyl-(1-propyl-(S)-pyrrolidin-3-yl)-6,7,8,9- at room temperature Form A compound of tetrahydro-3H-pyrazolo[3,4-c]isoquinolin-5-oxy)-tetrahydro-2H-pyran-2-carboxylic acid, added to a 100 mL beaker while After adding 20 mL of anhydrous acetone and stirring for 30 minutes, the suspended solid was filtered off with suction and suctioned to a free drop. The filter cake was flattened and placed in a cool, natural air-dried manner to obtain 1.90 g of a white crystalline powder. The result of X powder diffraction measurement showed a crystal form E with a purity of 99.65% (HPLC normalization method).

Example 12 Conversion of Form A to Form F

2g of 3,4,5-trihydroxy-6-(3-methyl-(1-propyl-(S)-pyrrolidin-3-yl)-6,7,8,9- at room temperature a crystalline form A compound of tetrahydro-3H-pyrazolo[3,4-c]isoquinolin-5-oxy)-tetrahydro-2H-pyran-2-carboxylic acid, spread evenly on a petri dish, placed In the constant humidity incubator, the set temperature is 40 ° C, the relative humidity is 10%, and after 5 hours, the sample is taken for detection. The appearance is still a white crystalline powder. The result of X powder diffraction measurement showed crystal form F, and the purity was 99.58% (HPLC normalization method).

Example 13 Conversion of Form A to Form G

1 g of 3,4,5-trihydroxy-6-(3-methyl-(1-propyl-(S)-pyrrolidin-3-yl)-6,7,8,9- at room temperature The crystalline form A compound of tetrahydro-3H-pyrazolo[3,4-c]isoquinolin-5-oxy)-tetrahydro-2H-pyran-2-carboxylic acid is flat on the crystallizing dish and placed in a constant temperature. In the constant humidity chamber, the temperature is controlled at 120 °C, the relative humidity is controlled at about 7%. After 3 hours, the sample is detected by cooling to 25 °C under the condition that the relative humidity is maintained at 7%. The appearance is still a white crystalline powder. The result of X powder diffraction measurement showed a crystal form G with a purity of 99.58% (HPLC normalization method).

Example 16 Conversion of Form C to Form D

1 g of 3,4,5-trihydroxy-6-(3-methyl-(1-propyl-(S)-pyrrolidin-3-yl)-6,7,8,9- at room temperature Form C compound of tetrahydro-3H-pyrazolo[3,4-c]isoquinolin-5-oxy)-tetrahydro-2H-pyran-2-carboxylic acid, added to a 100 mL beaker, anhydrous After 20 mL of ethanol, the mixture was suspended and stirred for 30 minutes, and the suspended solid was filtered off with suction to extract no droplets. The filter cake was flattened and placed in a cool, natural air-dried manner to obtain 0.92 g of a white crystalline powder. The XRPD measurement showed a crystal form D with a purity of 99.63% (HPLC normalization method).

Example 17 Conversion of Form E to Form G

1 g of 3,4,5-trihydroxy-6-(3-methyl-(1-propyl-(S)-pyrrolidin-3-yl)-6,7,8,9- at room temperature The crystalline form E compound of tetrahydro-3H-pyrazolo[3,4-c]isoquinolin-5-oxy)-tetrahydro-2H-pyran-2-carboxylic acid is placed on a crystallizing dish and placed in an oven. In the middle, the temperature was controlled at 150 ° C, and after 3 hours, the sample was taken for detection. The appearance is still a white crystalline powder. The XRPD measurement showed a crystal form G with a purity of 99.61% (HPLC normalization method).

Example 18 Physical Properties of Crystal Forms

By comparing the stability, solubility and other related properties of all the above crystal forms, the inventors have surprisingly found that in the crystal form disclosed in the present invention, the crystal form A has excellent characteristics: the crystal form has good solubility. This is extremely important for the drug to exert its effects. At the same time, it has high purity, good stability, simple process and low cost. It has great superiority in industrial production and is suitable for the preparation process and long-term storage.

(1) Accelerated stability test

The accelerated stability test of Form A confirmed the above findings:

The stability test results show that the crystal form A is in the accelerated stability test, the appearance, X powder diffraction and thermal analysis patterns did not change, indicating that the crystal form was stable, no crystal transformation occurred, and the original crystal form remained. In addition, the related substances and contents did not change, indicating that the crystal form A had good chemical stability. It is suitable for the manufacture and long-term storage of pharmaceutical preparations.

(2) Solubility test of Form A: The solubility test of Form A was carried out according to the method specified in the Chinese Pharmacopoeia 2010 Edition 2 (15) (2).

The solubility data for the crystalline form of the invention is expressed in g/mL.

The solubility test results show that the solubility of crystal form A is good, which will improve the bioavailability to a certain extent and greatly promote the efficacy of the drug.

The above examples are only intended to illustrate the technical concept and the features of the present invention, and the purpose of the present invention is to enable those skilled in the art to understand the present invention and to implement the present invention, and the scope of the present invention is not limited thereto. Equivalent transformations or modifications made in accordance with the spirit of the invention are intended to be included within the scope of the invention.

Claims (8)

a crystalline form of the compound of formula (I), or a solvate of the crystalline form of the compound of formula (I), It has a crystalline form A, wherein the polymorph is characterized by powder XRD spectroscopy at 2θ diffraction angles of 7.412°, 9.451°, 12.094°, 12.990°, 13.459°, 14.185°, 14.674°, 14.999, 16.499, 17.131, 18.090, 19.393, 19.606, 21.320, 21.961, 22.570, 23.238, 23.867, 24.117, 24.444, 25.822, 28.188, 29.099, 30.145 , having peaks at 30.732°, 32.883°, 33.784°, 35.299°, and 38.492°; wherein the 2θ diffraction angle error is +/-0.2°; or having Form B, wherein the polymorph is characterized by powder XRD spectroscopy , the powder XRD spectrum at 2θ diffraction angles 5.509 °, 6.333 °, 8.367 °, 10.184 °, 12.785 °, 13.936 °, 14.568 °, 15.000 °, 16.670 °, 16.826 °, 17.186 °, 17.773 °, 18.630 °, 19.391 °, 20.750°, 22.350°, 23.038°, 23.745°, 24.900°, 25.393° with peaks; wherein the 2θ diffraction angle error is +/-0.2°; or It has a crystalline form C, wherein the polymorph is characterized by powder XRD spectroscopy at 2θ diffraction angles of 7.327°, 8.506°, 9.365°, 10.257°, 11.211°, 12.013°, 12.889°, 13.431. °, 13.976°, 14.665°, 15.088°, 15.731°, 16.389°, 16.962°, 17.820°, 18.679°, 19.495°, 21.232°, 22.452°, 23.153°, 23.752°, 24.984°, 25.741°, 26.876°, 28.071°, 29.989° having a peak; wherein the 2θ diffraction angle error is +/-0.2°; or it has a crystal form D, wherein the polymorph is characterized by powder XRD spectroscopy at a 2θ diffraction angle 8.862°, 10.488°, 11.212°, 11.421°, 12.7717°, 13.968°, 14.335°, 15.025°, 17.959°, 19.063°, 19.627°, 21.239°, 21.978°, 22.624°, 23.437°, 24.697°, 26.667° , having peaks at 28.195°, 31.235°, 35.724°; wherein the 2θ diffraction angle error is +/-0.2°; or having Form E, wherein the polymorph is characterized by powder XRD spectroscopy, the powder XRD spectrum At 2θ diffraction angles of 7.211°, 8.949°, 9.267°, 10.633°, 11.245°, 11.505°, 11.702°, 12.799°, 14.127°, 15.269°, 16.321°, 18.187°, 19.238°, 21.247°, 22.200°, 22.898°, 23.255°, 23.653°, 23.959°, 25.771°, 26.828°, 28.477°, 35.495° Wherein the 2θ diffraction angle error is +/- 0.2°; or it has Form F, wherein the polymorph is characterized by powder XRD spectroscopy at a 2θ diffraction angle of 7.268°, 10.158°, 13.020°, 13.496°, 14.708°, 15.975°, 16.972°, 17.994°, 19.582°, 20.414°, 21.226°, 22.168°, 23.085°, 24.112°, 26.290°, 28.405°, 30.936°, 36.389° Wherein the 2θ diffraction angle error is +/- 0.2°; or it has a Form G, wherein the polymorph is characterized by powder XRD spectroscopy at a 2θ diffraction angle of 7.360°, 9.087°, 10.704° 11.358°, 11.732°, 13.130°, 14.285°, 15.338°, 16.949°, 18.217°, 19.312°, 19.871°, 21.677°, 22.282°, 23.253°, 23.937°, 24.995°, 26.926°, 28.691°, 31.586 There is a peak at ° and 35.946°; wherein the 2θ diffraction angle error is +/- 0.2°. A pharmaceutical composition comprising the crystalline compound of claim 1 and a pharmaceutically acceptable carrier or diluent. Use of a crystalline compound as claimed in claim 1 for the manufacture of a medicament for the treatment of a disease mediated by PARP. A process for producing a crystalline compound according to claim 1, which comprises the step of crystallizing the compound of the formula (I) with water or a mixed solvent of water and another solvent. The preparation method of claim 4, wherein the other solvent is selected from the group consisting of n-hexane, cyclohexane, ethylcyclohexane, toluene, xylene, chlorobenzene, dichloromethane, chloroform, 1,2-dichloroethane, methanol , ethanol, propanol, isopropanol, ethyl formate, ethyl acetate, diethyl ether, anisole, diisopropyl ether, acetone, cyclohexanone, acetonitrile, tetrahydrofuran, DMF, dimethyl hydrazine or Any combination of two or more. According to the preparation method of claim 4, which comprises the steps of: (1) the compound 3,4,5-trihydroxy-6-(3-methyl-(1-propyl-(S)-pyrrolidin-3- 6,7,7,8,9-tetrahydro-3H-pyrazolo[3,4-c]isoquinolin-5-oxy)-tetrahydro-2H-pyran-2-carboxylic acid added to water Or dissolved in a mixed solvent of water and other solvents; (2) The solid is precipitated after cooling to room temperature, and after filtration, it is naturally air-dried to obtain a white crystalline powder. According to the preparation method of claim 6, which further comprises 3,4,5-trihydroxy-6-(3-methyl-(1-propyl-(S)-pyrrolidin-3-yl) which has been prepared. A crystal form conversion of -6,7,8,9-tetrahydro-3H-pyrazolo[3,4-c]isoquinolin-5-oxy)-tetrahydro-2H-pyran-2-carboxylic acid The steps into other crystal forms. According to the preparation method of claim 7, wherein 3,4,5-trihydroxy-6-(3-methyl-(1-propyl-(S)-pyrrolidin-3-yl)-6,7,8, The crystal form of 9-tetrahydro-3H-pyrazolo[3,4-c]isoquinolin-5-oxy)-tetrahydro-2H-pyran-2-carboxylic acid is selected from 3,4,5-three Hydroxy-6-(3-methyl-(1-propyl-(S)-pyrrolidin-3-yl)-6,7,8,9-tetrahydro-3H-pyrazolo[3,4-c An unsolvated crystalline form and solvated crystalline form of isoquinoline-5-oxy)-tetrahydro-2H-pyran-2-carboxylic acid.