阅读说明：本技术 晶体形式的n-[1-(5-氰基-吡啶-2-基甲基)-1h-吡唑-3-基]-2-[4-(1-三氟甲基-环丙基)-苯基]-乙酰胺 (Crystalline forms of N- [1- (5-cyano-pyridin-2-ylmethyl) -1H-pyrazol-3-yl ] -2- [4- (1-trifluoromethyl-cyclopropyl) -phenyl ] -acetamide ) 是由 比比亚·海德曼 马库斯·冯劳默尔 于 2018-07-04 设计创作，主要内容包括：本发明涉及晶体形式的N?[1?(5?氰基?吡啶?2?基甲基)?1H?吡唑?3?基]?2?[4?(1?三氟甲基?环丙基)?苯基]?乙酰胺，包含所述晶体形式的药物组合物及其在治疗或预防涉及T型钙通道的疾病或病症中用作T型钙通道阻滞剂的用途。(The present invention relates to a crystalline form of N- [1- (5-cyano-pyridin-2-ylmethyl) -1H-pyrazol-3-yl ] -2- [4- (1-trifluoromethyl-cyclopropyl) -phenyl ] -acetamide, pharmaceutical compositions comprising the crystalline form and uses thereof as a T-type calcium channel blocker in the treatment or prevention of diseases or disorders in which T-type calcium channels are involved.)

1. A crystalline form of N- [1- (5-cyano-pyridin-2-ylmethyl) -1H-pyrazol-3-yl ] -2- [4- (1-trifluoromethyl-cyclopropyl) -phenyl ] -acetamide characterized by:

a. in the X-ray powder diffraction pattern, there are peaks at the following refraction angles 2 θ: 4.7 °, 14.1 °, and 20.1 °; or

b. In the X-ray powder diffraction pattern, there are peaks at the following refraction angles 2 θ: 12.8 °,18.0 °, and 18.3 °.

2. A crystalline form of N- [1- (5-cyano-pyridin-2-ylmethyl) -1H-pyrazol-3-yl ] -2- [4- (1-trifluoromethyl-cyclopropyl) -phenyl ] -acetamide according to claim 1, characterized in that:

a. in the X-ray powder diffraction pattern, there are peaks at the following refraction angles 2 θ: 4.7 °, 9.3 °, 14.1 °, 20.1 °, and 24.7 °; or

b. In the X-ray powder diffraction pattern, there are peaks at the following refraction angles 2 θ: 12.4 °, 12.8 °, 15.7 °,18.0 °, and 18.3 °.

3. A crystalline form of N- [1- (5-cyano-pyridin-2-ylmethyl) -1H-pyrazol-3-yl ] -2- [4- (1-trifluoromethyl-cyclopropyl) -phenyl ] -acetamide according to claim 1, characterized in that: in the X-ray powder diffraction pattern, there are peaks at the following refraction angles 2 θ: 4.7 °, 14.1 ° and 20.1 °.

4. A crystalline form of N- [1- (5-cyano-pyridin-2-ylmethyl) -1H-pyrazol-3-yl ] -2- [4- (1-trifluoromethyl-cyclopropyl) -phenyl ] -acetamide according to claim 1, characterized in that: in the X-ray powder diffraction pattern, there are peaks at the following refraction angles 2 θ: 4.7 °, 9.3 °, 12.0 °, 14.1 °, 16.3 °, 18.4 °, 20.1 °, 21.8 °, 24.7 ° and 28.6 °.

5. A crystalline form of N- [1- (5-cyano-pyridin-2-ylmethyl) -1H-pyrazol-3-yl ] -2- [4- (1-trifluoromethyl-cyclopropyl) -phenyl ] -acetamide according to claim 1, characterized in that: in the X-ray powder diffraction pattern, there are peaks at the following refraction angles 2 θ: 12.8 °,18.0 °, and 18.3 °.

6. A crystalline form of N- [1- (5-cyano-pyridin-2-ylmethyl) -1H-pyrazol-3-yl ] -2- [4- (1-trifluoromethyl-cyclopropyl) -phenyl ] -acetamide according to claim 1, characterized in that: in the X-ray powder diffraction pattern, there are peaks at the following refraction angles 2 θ: 10.9 °, 12.4 °, 12.8 °, 13.2 °, 15.7 °, 16.3 °,18.0 °, 18.3 °, 21.1 ° and 29.3 °.

7. A crystalline form of N- [1- (5-cyano-pyridin-2-ylmethyl) -1H-pyrazol-3-yl ] -2- [4- (1-trifluoromethyl-cyclopropyl) -phenyl ] -acetamide obtainable by:

a. heating a suspension comprising N- [1- (5-cyano-pyridin-2-ylmethyl) -1H-pyrazol-3-yl ] -2- [4- (1-trifluoromethyl-cyclopropyl) -phenyl ] -acetamide in about 5vol. of toluene at reflux until dissolved;

b. cooling the solution to about 25 ℃ over 1 to 5 hours;

c. cooling to 0 ℃; and is

d. The resulting solid residue was isolated.

8. The crystalline form of N- [1- (5-cyano-pyridin-2-ylmethyl) -1H-pyrazol-3-yl ] -2- [4- (1-trifluoromethyl-cyclopropyl) -phenyl ] -acetamide of claim 7, characterized in that: in the X-ray powder diffraction pattern, there are peaks at the following refraction angles 2 θ: 4.7 °, 14.1 ° and 20.1 °.

9. N- [1- (5-cyano-pyridin-2-ylmethyl) -1H-pyrazol-3-yl ] -2- [4- (1-trifluoromethyl-cyclopropyl) -phenyl ] -acetamide in crystalline form according to any one of claims 1-8 for use as a medicament.

10. A pharmaceutical composition comprising N- [1- (5-cyano-pyridin-2-ylmethyl) -1H-pyrazol-3-yl ] -2- [4- (1-trifluoromethyl-cyclopropyl) -phenyl ] -acetamide in crystalline form as an active ingredient and at least one pharmaceutically acceptable carrier.

11. The crystalline form of N- [1- (5-cyano-pyridin-2-ylmethyl) -1H-pyrazol-3-yl ] -2- [4- (1-trifluoromethyl-cyclopropyl) -phenyl ] -acetamide according to any one of claims 1 to 8 for use in the prevention and/or treatment of a disease selected from epilepsy; sleep disorders; sleep is troubled; pain selected from the group consisting of inflammatory pain, neuropathic pain, peripheral pain, and chronic pain associated with peripheral axonal injury; a neurological disorder selected from essential tremor, parkinson's disease, schizophrenia, depression, anxiety, psychosis, neurodegenerative disease, autism, and drug addiction; cardiovascular disease selected from the group consisting of hypertension, arrhythmia, atrial fibrillation, congenital heart failure, and cardiac conduction block; cancer; diabetes mellitus; and diseases or disorders in diabetic neuropathy.

12. N- [1- (5-cyano-pyridin-2-ylmethyl) -1H-pyrazol-3-yl ] -2- [4- (1-trifluoromethyl-cyclopropyl) -phenyl ] -acetamide in crystalline form according to any one of claims 1 to 8 for use in the prevention and/or treatment of epilepsy.

Drawings

Figure 1 shows an X-ray powder diffraction pattern of a compound in crystalline form 1, wherein the X-ray powder diffraction pattern is shown for Cu K α radiation X-ray diffraction patterns show peaks with a relative intensity at the indicated angle of refraction 2 theta (the relative peak intensities are given in parentheses) of the following percentage (selected peaks reported to have a relative intensity in the range of 3-30 deg. 2 theta of greater than or equal to 10%) 4.7 deg. (26%), 9.3 deg. (17%), 12.0 deg. (17%), 14.1 deg. (60%), 16.3 deg. (32%), 18.4 deg. (36%), 20.1 deg. (100%), 21.8 deg. (22%), 24.7 deg. (49%) and 28.6 deg. (21%) compared to the most intense peak in the pattern.

Figure 2 shows an X-ray powder diffraction pattern of a compound in crystalline form 2, wherein the X-ray powder diffraction pattern is shown for Cu K α radiation X-ray diffraction patterns show peaks with a relative intensity at the indicated angle of refraction 2 theta (the relative peak intensities are given in parentheses) of 10.9 ° (17%), 12.4 ° (32%), 12.8 ° (71%), 13.2 ° (12%), 15.7 ° (28%), 16.3 ° (25%), 18.0 ° (65%), 18.3 ° (100%), 21.1 ° (30%) and 29.3 ° (21%) in the range of 3-30 ° 2 theta with greater than or equal to 10% of the relative intensity compared to the strongest peak in the pattern.

In the X-ray diffraction diagrams of fig. 1 and 2, the refraction angle 2 θ (2) is plotted on the horizontal axis and the count is plotted on the vertical axis.

For the avoidance of any doubt, the peaks listed above illustrate the experimental results of the X-ray powder diffraction shown in figures 1 to 2. It will be appreciated that in contrast to the above list of peaks, only the characteristic peaks need to be selected to fully and unambiguously characterize the compounds of the invention in the corresponding crystalline forms.

Detailed description of the invention

1) A first embodiment of the present invention relates to N- [1- (5-cyano-pyridin-2-ylmethyl) -1H-pyrazol-3-yl ] -2- [4- (1-trifluoromethyl-cyclopropyl) -phenyl ] -acetamide (compound) in crystalline form, characterized in that:

a. in the X-ray powder diffraction pattern, there are peaks at the following refraction angles 2 θ: 4.7 °, 14.1 °, and 20.1 ° (form 1); or

b. In the X-ray powder diffraction pattern, there are peaks at the following refraction angles 2 θ: 12.8 °,18.0 °, and 18.3 ° (form 2).

It is understood that the crystalline form according to embodiment 1) comprises the compound in the form of a free base (i.e. not in the form of a salt). Furthermore, the crystalline form may comprise a non-coordinating and/or coordinating solvent. Coordinating solvents are used herein as the term for crystalline solvates. Likewise, non-coordinating solvents are used herein as a term for solvents that are physically adsorbed or physically entrapped (according to The definition in The following document: Polymorphism in The Pharmaceutical Industry (Ed. R. Hilfiker, VCH,2006), Chapter 8: U.J. Griesser: The Import of solvents). Neither crystal form (crystal form 1 and crystal form 2) contains coordinating water, but may contain non-coordinating water or another non-coordinating solvent.

The compound of crystalline form 1 has a melting point as determined by DSC of T147 ± 2 ℃. The crystalline form 1 compound is non-hygroscopic according to ph.

2) Another embodiment relates to a compound according to embodiment 1) in crystalline form, characterized in that:

a. in the X-ray powder diffraction pattern, there are peaks at the following refraction angles 2 θ: 4.7 °, 9.3 °, 14.1 °, 20.1 °, and 24.7 ° (form 1); or

b. In the X-ray powder diffraction pattern, there are peaks at the following refraction angles 2 θ: 12.4 °, 12.8 °, 15.7 °,18.0 °, and 18.3 ° (form 2).

3) Another embodiment relates to a compound according to embodiment 1) in crystalline form, characterized in that:

a. in the X-ray powder diffraction pattern, there are peaks at the following refraction angles 2 θ: 4.7 °, 9.3 °, 12.0 °, 14.1 °, 16.3 °, 18.4 °, 20.1 °, 21.8 °, 24.7 °, and 28.6 ° (form 1); or

b. In the X-ray powder diffraction pattern, there are peaks at the following refraction angles 2 θ: 10.9 °, 12.4 °, 12.8 °, 13.2 °, 15.7 °, 16.3 °,18.0 °, 18.3 °, 21.1 °, and 29.3 ° (form 2).

4) Another embodiment relates to a compound according to embodiment 1) in crystalline form, characterized by the presence of peaks in the X-ray powder diffraction diagram at the following angles of refraction 2 θ: 4.7 °, 14.1 ° and 20.1 °.

5) Another embodiment relates to a compound according to embodiment 1) in crystalline form, characterized by the presence of peaks in the X-ray powder diffraction diagram at the following angles of refraction 2 θ: 4.7 °, 9.3 °, 14.1 °, 20.1 °, and 24.7 °.

6) Another embodiment relates to a compound according to embodiment 1) in crystalline form, characterized by the presence of peaks in the X-ray powder diffraction diagram at the following angles of refraction 2 θ: 4.7 °, 9.3 °, 12.0 °, 14.1 °, 16.3 °, 18.4 °, 20.1 °, 21.8 °, 24.7 ° and 28.6 °.

7) Another embodiment relates to a compound according to embodiment 1) in crystalline form, substantially showing an X-ray powder diffraction pattern as shown in figure 1.

8) Another embodiment relates to a compound according to embodiment 1) in crystalline form, characterized by the presence of peaks in the X-ray powder diffraction diagram at the following angles of refraction 2 θ: 12.8 °,18.0 °, and 18.3 °.

9) Another embodiment relates to a compound according to embodiment 1) in crystalline form, characterized by the presence of peaks in the X-ray powder diffraction diagram at the following angles of refraction 2 θ: 12.4 °, 12.8 °, 15.7 °,18.0 °, and 18.3 °.

10) Another embodiment relates to a compound according to embodiment 1) in crystalline form, characterized by the presence of peaks in the X-ray powder diffraction diagram at the following angles of refraction 2 θ: 10.9 °, 12.4 °, 12.8 °, 13.2 °, 15.7 °, 16.3 °,18.0 °, 18.3 °, 21.1 ° and 29.3 °.

11) Another embodiment relates to a compound according to embodiment 1) in crystalline form, substantially showing an X-ray powder diffraction pattern as shown in figure 2.

12) Another embodiment relates to a crystalline form (e.g., a substantially pure crystalline form) of N- [1- (5-cyano-pyridin-2-ylmethyl) -1H-pyrazol-3-yl ] -2- [4- (1-trifluoromethyl-cyclopropyl) -phenyl ] -acetamide (compound), which is obtainable by:

a. heating a suspension comprising N- [1- (5-cyano-pyridin-2-ylmethyl) -1H-pyrazol-3-yl ] -2- [4- (1-trifluoromethyl-cyclopropyl) -phenyl ] -acetamide in about 5vol. of toluene at reflux until dissolved;

b. cooling the solution to about 25 ℃ over 1 to 5 hours;

c. cooling to 0 ℃; and is

d. The resulting solid residue was isolated.

The separation step may be carried out by any method known in the art to separate a solid precipitate from a liquid, preferably by filtration. After isolation, the solid residue can optionally be washed with a hydrocarbon, such as n-pentane, n-hexane, n-heptane or methylcyclohexane (in particular n-heptane).

The above process is a recrystallization of the compound. Thus, it is to be understood that "a suspension comprising N- [1- (5-cyano-pyridin-2-ylmethyl) -1H-pyrazol-3-yl ] -2- [4- (1-trifluoromethyl-cyclopropyl) -phenyl ] -acetamide" refers to a suspension comprising N- [1- (5-cyano-pyridin-2-ylmethyl) -1H-pyrazol-3-yl ] -2- [4- (1-trifluoromethyl-cyclopropyl) -phenyl ] -acetamide and various impurities; the amount of impurities is preferably less than 30% (more preferably less than 15%, most preferably less than 3%) by weight of the compound.

13) Another embodiment relates to a compound according to embodiment 12) in crystalline form, characterized by the presence of peaks in the X-ray powder diffraction diagram at the following angles of refraction 2 θ: 4.7 °, 14.1 ° and 20.1 °.

14) Another embodiment relates to a compound according to embodiment 12) in crystalline form, characterized by the presence of peaks in the X-ray powder diffraction diagram at the following angles of refraction 2 θ: 4.7 °, 9.3 °, 14.1 °, 20.1 °, and 24.7 °.

15) Another embodiment relates to a compound according to embodiment 12) in crystalline form, characterized by the presence of peaks in the X-ray powder diffraction diagram at the following angles of refraction 2 θ: 4.7 °, 9.3 °, 12.0 °, 14.1 °, 16.3 °, 18.4 °, 20.1 °, 21.8 °, 24.7 ° and 28.6 °.

16) Another embodiment relates to a compound according to embodiment 12) in crystalline form, substantially exhibiting an X-ray powder diffraction pattern as shown in figure 1.

17) Another embodiment relates to a compound according to any one of embodiments 4) to 7) in crystalline form obtainable by the process of embodiment 12).

18) Another embodiment relates to a crystalline form (e.g., a substantially pure crystalline form) of N- [1- (5-cyano-pyridin-2-ylmethyl) -1H-pyrazol-3-yl ] -2- [4- (1-trifluoromethyl-cyclopropyl) -phenyl ] -acetamide (compound), which is obtainable by:

a) dissolving the compound in about 8 to 10vol_3-6) In alkanones (especially acetone or butanone); and

b) the solvent was evaporated at ambient conditions.

Preferably, dissolution is carried out in glass vials on a small scale of about 4 to 10mg of the compound. The evaporation is preferably carried out in an open glass bottle.

19) Another embodiment relates to a compound according to embodiment 18) in crystalline form, characterized by the presence of peaks in the X-ray powder diffraction diagram at the following angles of refraction 2 Θ: 12.8 °,18.0 ° and 18.3 °.

20) Another embodiment relates to a compound according to embodiment 18) in crystalline form, characterized by the presence of peaks in the X-ray powder diffraction diagram at the following angles of refraction 2 Θ: 12.4 °, 12.8 °, 15.7 °,18.0 °, and 18.3 °.

21) Another embodiment relates to a compound according to embodiment 18) in crystalline form, characterized by the presence of peaks in the X-ray powder diffraction diagram at the following angles of refraction 2 Θ: 10.9 °, 12.4 °, 12.8 °, 13.2 °, 15.7 °, 16.3 °,18.0 °, 18.3 °, 21.1 ° and 29.3 °.

22) Another embodiment relates to a compound according to embodiment 18) in crystalline form, substantially showing an X-ray powder diffraction pattern as shown in figure 2.

23) Another embodiment relates to a compound according to any one of embodiments 8) to 11) in crystalline form obtainable by the process of embodiment 18).

Based on the dependencies of the different embodiments 1) to 23) as disclosed above, the following embodiments are thus possible and intended to be disclosed in personalized form and specifically herein:

1、2+1、3+1、4+1、5+1、6+1、7+1、8+1、9+1、10+1、11+1、12、13+12、14+12、15+12、16+12、17+4+1、17+5+1、17+6+1、17+7+1、18、19+18、20+18、21+18、22+18、23+8+1、23+9+1、23+10+1、23+11+1；

in the above list, the numbers refer to the embodiments numbered according to the above, while "+" indicates a dependency on another embodiment. Different individualized embodiments are separated by a pause sign. In other words, for example, "17 +4+ 1" means that embodiment 17) depends on embodiment 4), which embodiment 4) depends on embodiment 1), i.e., embodiment "17 +4+ 1" corresponds to embodiment 1) which is further characterized by the features of embodiments 4) and 17).

For the avoidance of any doubt, whenever one of the above embodiments refers to "in an X-ray powder diffraction pattern, a peak at the following angle of refraction 2 θ", said X-ray powder diffraction pattern is obtained by combined irradiation using Cu K α 1 and K α 2, without K α 2 exfoliation, and it is understood that the precision of the 2 θ values provided herein is in the range of +/-0.1-0.2 deg. it is noted that when an angle of refraction 2 theta (2 θ) is specified for the peak in the embodiments and claims of the present invention, the 2 θ values given are understood to be the interval (2 θ +/-0.2 deg.) of subtracting 0.2 deg. from said value to said value plus 0.2 deg., and preferably 0.1 deg. from said value plus 0.1 deg. (2 θ 0.1 deg.).

When the plural form is used for a compound, a solid, a pharmaceutical composition, a disease, etc., this also means a single compound, solid, pharmaceutical composition, disease, etc.

Unless a broader or narrower definition is provided by an otherwise expressly set forth definition, the definition provided herein is intended to apply consistently to the subject matter as defined in any of embodiments 1) through 23) and (mutatis mutandis) throughout the specification and claims. It is to be fully understood that a definition or preferred definition of a term or expression is defined independently of (and in combination with) any or all other definitions or preferred definitions of any or all other terms or expressions as defined herein and may be substituted for the corresponding term or expression.

Term "(C)_3-6) Alkanone "refers to an alkane group containing three to six carbon atoms, wherein one methylene group" -CH₂- "substituted by carbonyl" -C (O) - ". (C)_3-6) Examples of alkanone groups are acetone (propanone), butanone, 3-methyl-butan-2-one, 3-dimethyl-butan-2-one, pentan-2-one, 3-methyl-pentan-2-one, 4-methyl-pentan-2-one, pentan-3-one, 2-methyl-pentan-3-one, hexan-2-one and hexan-3-one. Preferred are acetone (propanone) and butanone.

The term "substantially pure" is understood in the context of the present invention to mean, inter alia: at least 90% by weight, preferably at least 95% by weight and most preferably at least 99% by weight of the crystals of the compound are present in crystalline form according to the invention.

When defining the presence of peaks in, for example, X-ray powder diffractograms, a common approach is by means of the S/N ratio (S ═ signal, N ═ noise). According to this definition, when it is stated that a peak must be present in an X-ray powder diffraction pattern, it is understood that this peak in the X-ray powder diffraction pattern is defined as having an S/N ratio (S ═ signal, N ═ noise) greater than X (X is a number greater than 1), generally greater than 2, and in particular greater than 3.

The term "substantially" in the context of stating that the crystalline form substantially shows an X-ray powder diffraction pattern as depicted in fig. 1 or 2, respectively, means that the pattern depicted in the figure must at least present a major peak, i.e. a peak having a relative intensity of more than 20%, in particular more than 10%, compared to the strongest peak in the figure. However, those skilled in the art of X-ray powder diffraction will recognize that the relative intensities in the X-ray powder diffraction pattern may produce a strong intensity variation due to a more preferred orientation effect. Notably, the compound crystals of crystalline form 1 are obtained in a flat plate form, and thus XRPD analysis is prone to orientation effects, which may result in peak loss or unimodal intensity variation.

Unless used in reference to temperature, the term "about" as used herein before the value "X" refers to an interval extending from 10% of X minus X to 10% of X plus X, and preferably to an interval extending from 5% of X minus X to 5% of X plus X; most preferably X. In the specific case of temperature, the term "about" placed before temperature "Y" in this application refers to the interval extending from temperature Y minus 10 ℃ to Y plus 10 ℃ and from temperature Y minus 5 ℃ to Y plus 5 ℃. Room temperature refers to a temperature of about 25 ℃.

Whenever the word "between.. or" to.. is used to describe a numerical range, it is to be understood that the endpoints of the indicated ranges are explicitly included in the range. For example: if the temperature range described is between 40 ℃ and 80 ℃ (or 40 ℃ to 80 ℃), then the endpoints 40 ℃ and 80 ℃ are meant to be included within the range; alternatively, if a variable is defined as an integer between 1 and 4 (or 1 to 4), it means that the variable is an integer of 1, 2, 3, or 4.

The crystalline form, in particular the substantially pure crystalline form, of a compound according to any one of embodiments 1) to 23) may be used as a medicament, for example in the form of a pharmaceutical composition for enteral (such as in particular oral) or parenteral (including topical administration or inhalation) administration.

24) Accordingly, another embodiment relates to the crystalline form of N- [1- (5-cyano-pyridin-2-ylmethyl) -1H-pyrazol-3-yl ] -2- [4- (1-trifluoromethyl-cyclopropyl) -phenyl ] -acetamide according to any one of embodiments 1) to 23) for use as a medicament.

The compound according to any one of embodiments 1) to 23) in crystalline form (especially a substantially pure crystalline solid) may be used as a single component or in a mixture with other compounds in crystalline or amorphous form.

25) Another embodiment of the present invention relates to a pharmaceutical composition comprising a compound as active ingredient in crystalline form according to any one of embodiments 1) to 23) and at least one pharmaceutically acceptable carrier material.

The manufacture of pharmaceutical compositions can be accomplished in accordance with means familiar to those skilled in the art (see, for example, Remington, the science and Practice of Pharmacy, 21 st edition (2005), part 5, "pharmaceutical manufacturing" [ published by Lippincott Williams & Wilkins ]) by administering the crystalline forms of the invention, optionally in combination with other therapeutically valuable substances, in a galenical form together with suitable non-toxic inert pharmaceutically acceptable solid or liquid carrier materials and, if desired, conventional pharmaceutical adjuvants.

26) Another embodiment of the present invention relates to a compound according to any one of embodiments 1) to 23) in crystalline form for use in the manufacture of a pharmaceutical composition, wherein said pharmaceutical composition comprises said compound as an active ingredient and at least one pharmaceutically acceptable carrier material.

27) Another embodiment of the present invention relates to a compound according to any one of embodiments 1) to 23) in crystalline form for use in the prevention/treatment and/or treatment of diseases or disorders associated with T-type calcium channel dysfunction (in particular wherein the T-type calcium channel subtype Ca is indicated)_v3.1、Ca_v3.2 and/or Ca_v3.3) of the disease or disorder).

28) Another embodiment of the present invention relates toA compound according to any one of embodiments 1) to 23) in crystalline form for use in the prevention/treatment and/or treatment of a disease or condition wherein Ca denotes a calcium channel subtype due to T-type_v3.1、Ca_v3.2 and/or Ca_v3.3 blockade with reduced burst in neuronal cells.

The compound in crystal form as defined in any one of embodiments 1) to 23) is useful for the prevention or treatment of a disease or condition in which calcium T channels are involved. Such diseases or conditions involving calcium T channels are defined as including in particular:

epilepsy (especially absence epilepsy, childhood absence and other forms of idiopathic generalized epilepsy, temporal lobe epilepsy);

sleep disorders and sleep disturbances;

pain (especially inflammatory pain, neuropathic pain, peripheral pain, chronic pain associated with peripheral axonal injury);

neurological diseases and disorders (especially essential tremor, parkinson's disease, schizophrenia, depression, anxiety, psychosis, neurodegenerative diseases, autism, drug addiction);

cardiovascular diseases and disorders (especially hypertension, arrhythmias, atrial fibrillation, congenital heart failure, cardiac block);

cancer;

diabetes and diabetic neuropathy; and

infertility and sexual dysfunction.

Note that such diseases or disorders involving calcium T channels refer to epilepsy, neurological disorders, and pain. Preferably, such diseases or disorders are epilepsy and pain.

The term "pain" preferably refers to inflammatory pain, neuropathic pain, peripheral pain and chronic pain associated with peripheral axonal injury.

The term "neurological diseases and disorders" preferably refers to essential tremor, parkinson's disease, schizophrenia, depression, anxiety, psychosis, neurodegenerative diseases, autism and drug addiction.

The term "cardiovascular diseases and conditions" preferably refers to hypertension, arrhythmia, atrial fibrillation, congenital heart failure and cardiac conduction block.

29) Another embodiment of the present invention relates to a compound according to any one of embodiments 1) to 23) in crystalline form for use in the prevention/treatment and/or treatment of epilepsy; sleep disorders; sleep is troubled; pain selected from the group consisting of inflammatory pain, neuropathic pain, peripheral pain, and chronic pain associated with peripheral axonal injury; a neurological disorder selected from essential tremor, parkinson's disease, schizophrenia, depression, anxiety, psychosis, neurodegenerative disease, autism, and drug addiction; cardiovascular disease selected from the group consisting of hypertension, arrhythmia, atrial fibrillation, congenital heart failure, and cardiac conduction block; cancer; diabetes mellitus; and diseases or disorders in diabetic neuropathy.

30) Another embodiment of the present invention relates to a compound according to any one of embodiments 1) to 23) in crystalline form for use in the prevention/treatment and/or treatment of epilepsy; sleep disorders; sleep is troubled; pain selected from the group consisting of inflammatory pain, neuropathic pain, peripheral pain, and chronic pain associated with peripheral axonal injury; essential tremor; parkinson's disease; schizophrenia; and a disease or disorder of drug addiction.

31) Another embodiment of the present invention relates to a compound according to any one of embodiments 1) to 23) in crystalline form for use in the prevention/treatment and/or treatment of epilepsy (in particular idiopathic generalized epilepsy).

32) Another embodiment of the present invention relates to a compound according to any one of embodiments 1) to 23) in crystalline form for use in the prevention/treatment and/or treatment of focal and/or generalized seizures.

33) Another embodiment of the present invention relates to a compound in crystalline form according to any one of embodiments 1) to 23), for use in the prevention/treatment and/or treatment of focal, tonic, clonic, tonic-clonic, unconscious, myoclonic and/or adynamic seizures.

34) Another embodiment of the present invention relates to a compound according to any one of embodiments 1) to 23) in crystalline form for use in the prevention/treatment and/or treatment of tonic clonus, absence, myoclonus and/or adynamic seizures.

35) Another embodiment of the present invention relates to a compound according to any one of embodiments 1) to 23) in crystalline form for use in the prevention/treatment and/or treatment of tonic clonic and/or absence seizures.

36) Another embodiment of the present invention relates to a compound according to any one of embodiments 1) to 23) in crystalline form for use in the prevention/treatment and/or treatment of tonic-clonic seizures.

37) Another embodiment of the present invention relates to a compound according to any one of embodiments 1) to 23) in crystalline form for use in the prevention/treatment and/or treatment of absence seizures.

The term "epilepsy" describes recurrent silent seizures, wherein the term "seizures" refers to excessive and/or hypersynchronous electrical neuronal activity. For example, in Berg et al, epilepsia.2010; 51(4): 676-.

For the avoidance of any doubt, if a crystalline form of a compound is described as being useful in the prevention/treatment and/or treatment of certain diseases, then the crystalline form of the compound is equally suitable for use in the manufacture of a medicament for the prevention or treatment of said diseases.

38) Another embodiment of the present invention relates to a pharmaceutical composition according to embodiment 25) for the prevention/prophylaxis and/or treatment of diseases or disorders which are associated with T-type calcium channel dysfunction (in particular wherein the T-type calcium channel subtype Ca is indicated)_v3.1、Ca_v3.2 and/or Ca_v3.3) of the disease or disorder).

39) Another embodiment of the invention relates to a pharmaceutical composition according to embodiment 25) for the prevention/treatment and/or treatment of a disease or condition, wherein Ca is due to the T-type calcium channel subtype_v3.1、Ca_v3.2 and/or Ca_v3.3 blockade with reduced burst in neuronal cells.

40) Another embodiment of the present invention relates to a pharmaceutical composition according to embodiment 25) for the prevention/treatment and/or treatment of epilepsy; sleep disorders; sleep is troubled; pain selected from the group consisting of inflammatory pain, neuropathic pain, peripheral pain, and chronic pain associated with peripheral axonal injury; a neurological disorder selected from essential tremor, parkinson's disease, schizophrenia, depression, anxiety, psychosis, neurodegenerative disease, autism, and drug addiction; cardiovascular disease selected from the group consisting of hypertension, arrhythmia, atrial fibrillation, congenital heart failure, and cardiac conduction block; cancer; diabetes mellitus; and diseases or disorders in diabetic neuropathy.

41) Another embodiment of the present invention relates to a pharmaceutical composition according to embodiment 25) for the prevention/treatment and/or treatment of epilepsy; sleep disorders; sleep is troubled; pain selected from the group consisting of inflammatory pain, neuropathic pain, peripheral pain, and chronic pain associated with peripheral axonal injury; essential tremor; parkinson's disease; schizophrenia; and a disease or disorder of drug addiction.

42) Another embodiment of the present invention relates to a pharmaceutical composition according to embodiment 25) for use in the prevention/treatment and/or treatment of epilepsy (in particular idiopathic generalized epilepsy).

43) Another embodiment of the present invention relates to a pharmaceutical composition according to embodiment 25) for the prevention/treatment and/or treatment of focal and/or generalized seizures.

44) Another embodiment of the present invention relates to a pharmaceutical composition according to embodiment 25) for the prevention/treatment and/or treatment of focal, tonic, clonic, tonic-clonic, unconscious, myoclonic and/or adynamic seizures.

45) Another embodiment of the present invention relates to a pharmaceutical composition according to embodiment 25) for the prevention/treatment and/or treatment of tonic-clonic, absence, myoclonic and/or adynamic seizures.

46) Another embodiment of the present invention relates to a pharmaceutical composition according to embodiment 25) for the prevention/treatment and/or treatment of tonic clonic and/or absence seizures.

47) Another embodiment of the present invention relates to a pharmaceutical composition according to embodiment 25) for the prevention/treatment and/or treatment of tonic-clonic seizures.

48) Another embodiment of the present invention relates to a pharmaceutical composition according to embodiment 25) for the prevention/treatment and/or treatment of absence seizures.

The present invention also relates to a method for the prevention/treatment and/or treatment of the diseases or disorders mentioned herein, comprising administering to a subject a pharmaceutically active amount of a compound according to any one of embodiments 1) to 23 in crystalline form or a pharmaceutically active amount of a pharmaceutical composition according to embodiment 25).

The experimental steps are as follows:

abbreviations (as used before or after):

DIPEA diisopropylethylamine

DSC differential scanning calorimetry

eq equivalent weight

EtOAc ethyl acetate

Figure of Fig

h hours

¹Nuclear magnetic resonance of H-NMR proton

HATU O- (7-azabenzotriazol-1-yl) -N, N, N ', N' -tetramethyluranium hexafluorophosphate

HPLC high performance liquid chromatography

LC-MS liquid chromatography-mass spectrometry

min for

MS Mass Spectrometry

NMR nuclear magnetic resonance

European pharmacopeia of ph

RT Room temperature

sat, saturated

TFA trifluoroacetic acid

tR Retention time

vol, L solvent/kg feedstock

XRPD X-ray powder diffraction

All solvents and reagents used were obtained from commercial sources unless otherwise indicated.

Temperatures are expressed in degrees Celsius (. degree. C.). Unless otherwise stated, the reaction was carried out at Room Temperature (RT).

The LC-MS analysis conditions used in the following examples:

a chromatographic column: zorbax SB-Aq, 3.5 μm, 4.6X 50mm, heated to 40.0 ℃; gradient: within 1.0min, 5% CH₃CN/95％H₂O and 0.04% TFA to 95% CH₃CN/5％H₂O and 0.04% TFA, flow 4.5 mL/min; MS: thermo MSQ Plus in ESI + ionization mode.

X-ray powder diffraction analysis (XRPD)

The X-ray powder diffraction pattern was collected on a Bruker D8 Advance X-ray diffractometer equipped with a Lynxeye detector operating in reflection mode (coupled 2 theta/theta) using CuK α radiation. typically, the X-ray tube was run at 40kV/40 mA. applying a step size of 0.02 deg. (2 theta) over a scan range of 3-50 deg. 2 theta and a step size of 76.8 seconds. the divergence slit was set to a fixed 0.3 deg. the powder was gently pressed into the silicon single crystal sample holder at a depth of 0.5mm and the sample was rotated on its own plane during the measurements.

Gravimetric Vapor Sorption (GVS) analysis

Measurements were made at 25 ℃ on an IGASORP model HAS-036-. The samples were allowed to equilibrate at the starting Relative Humidity (RH) before starting the predefined humidity program with a 5% Δ RH step size, with a maximum equilibration time of 24 hours for each step. About 20 to 30mg per sample was used.

Differential Scanning Calorimetry (DSC)

DSC data were collected on a Mettler Toledo STAR system (DSC822e module, metrology cell with ceramic sensor and STAR software version 13.00) equipped with a 34-bit autosampler. The instrument was calibrated for energy and temperature using standard indium. 2mg of each sample are usually placed in an autopiercing 40. mu.L Mettler aluminum pan at 10 ℃ for min^-1(unless otherwise stated) from-20 ℃ to 280 ℃. Maintain 20ml min above the sample^-1Is purged with nitrogen. Peak temperatures are reported for melting points.

I-chemical Process

The starting materials 6- ((3-amino-1H-pyrazol-1-yl) methyl) nicotinonitrile and 2- (4- (1- (trifluoromethyl) cyclopropyl) phenyl) acetic acid can be prepared according to the procedures given in WO2015/186056, page 54, lines 24 to 27, and page 109, lines 27 to 30, respectively.

Preparation of the Compound in crystalline form

Example 1: preparation and characterization of the Compound of crystalline form 1

To a solution of 2- (4- (1- (trifluoromethyl) cyclopropyl) phenyl) acetic acid (41mmol, 1.0eq.) in acetonitrile (280mL) were added DIPEA (90mmol, 2.2eq.) and HATU (43mmol, 1.05eq.), respectively, and the solution was stirred at room temperature under a nitrogen atmosphere for 5 minutes. 6- ((3-amino-1H-pyrazol-1-yl) methyl) nicotinonitrile (43mmol, 1.05eq.) was added, the solution was stirred at room temperature for about 18H, and the solvent was removed under vacuum. The residue was dissolved in EtOAc and successively saturated with aqueous hydrochloric acid (0.1M), NaHCO₃Aqueous solution and water wash. The organic layer was washed with Na₂SO₄Dried and concentrated in vacuo. The residue was purified by flash chromatography on silica gel (gradient: n-heptane to EtOAc). And (3) crystallization: toluene (70mL) was added to the resulting solid (14g) and the suspension was heated to reflux until complete dissolution. The solution was allowed to reach RT in about 90 minutes. After further cooling to 0 ℃, the suspension was filtered and the residue was washed with n-pentane and dried in vacuo to give crystalline form 1 as a crystalline solid (10 g).

Table 1: characterization data for the Compound of crystalline form 1