WO2008010566A1 - Polymorphisme cristallin de l'acide 5-méthyl-2-(pipérazin-1-yl)-benzènesulfonique - Google Patents
Polymorphisme cristallin de l'acide 5-méthyl-2-(pipérazin-1-yl)-benzènesulfonique Download PDFInfo
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- WO2008010566A1 WO2008010566A1 PCT/JP2007/064309 JP2007064309W WO2008010566A1 WO 2008010566 A1 WO2008010566 A1 WO 2008010566A1 JP 2007064309 W JP2007064309 W JP 2007064309W WO 2008010566 A1 WO2008010566 A1 WO 2008010566A1
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D295/00—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms
- C07D295/04—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms
- C07D295/08—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms substituted by singly bound oxygen or sulfur atoms
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P21/00—Drugs for disorders of the muscular or neuromuscular system
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P25/00—Drugs for disorders of the nervous system
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P3/00—Drugs for disorders of the metabolism
- A61P3/08—Drugs for disorders of the metabolism for glucose homeostasis
- A61P3/10—Drugs for disorders of the metabolism for glucose homeostasis for hyperglycaemia, e.g. antidiabetics
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P9/00—Drugs for disorders of the cardiovascular system
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P9/00—Drugs for disorders of the cardiovascular system
- A61P9/04—Inotropic agents, i.e. stimulants of cardiac contraction; Drugs for heart failure
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P9/00—Drugs for disorders of the cardiovascular system
- A61P9/06—Antiarrhythmics
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P9/00—Drugs for disorders of the cardiovascular system
- A61P9/10—Drugs for disorders of the cardiovascular system for treating ischaemic or atherosclerotic diseases, e.g. antianginal drugs, coronary vasodilators, drugs for myocardial infarction, retinopathy, cerebrovascula insufficiency, renal arteriosclerosis
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P9/00—Drugs for disorders of the cardiovascular system
- A61P9/12—Antihypertensives
Definitions
- the present invention relates to a novel crystalline polymorph of 5-methyl-2- (piperazine-1-yl) benzenesulfonic acid and a pharmaceutical comprising the same as an active ingredient.
- crystal polymorphs Even if the same compound is used, different crystal polymorphisms may result in completely different physical properties such as storage stability and solubility.
- the compound when used as a pharmaceutical product, it is useful to examine whether the compound used as a pharmaceutical product has a crystalline polymorphism because the difference in these physical properties may affect the action and effect. It is.
- R is a hydrogen atom, a C C alkyl group, a C C cycloalkyl group, C C
- 1 1 6 3 7 1 represents a halogenated alkyl group, a halogen atom, or a C C aryl group; R represents water
- n is an integer from 1 to 4.
- Patent Document 2 describes that Compound A can be obtained as an anhydride according to the method described in Example 1 of Patent Document 1 regarding Compound A.
- FIGS. 2 and 4 of Patent Document 2 there are described differential thermal analysis and powder X-ray diffraction diagrams of the anhydride of Compound A, respectively. However, these descriptions do not describe the power that the anhydride of Compound A has a crystal polymorph, and what kind of crystal polymorph it has even if it has a crystal polymorph.
- Patent Document 2 describes a monohydrate of Compound A.
- FIGS. 1 and 3 of Patent Document 2 a diagram of differential thermal analysis and powder X-ray diffraction of the monohydrate of compound A is described, respectively.
- the power of the monohydrate of Compound A having a crystalline polymorph, and what kind of crystalline polymorph it has, if any, are described. It has not been.
- Patent Document 1 Japanese Patent Application Laid-Open No. 3-7263, European Patent Application Publication No. 390654
- Patent Document 2 Japanese Patent Application Laid-Open No. 9221479, Japanese Patent Application Publication No. 0779283 Disclosure of Invention
- An object of the present invention is to provide a novel crystal of 5-methyl-2- (piperazine-1-yl) benzenesulfonic anhydride (hereinafter, one of two crystal forms is anhydrous in this specification).
- the object is to provide an anhydrous form II crystal and the other is called a form I crystal.
- An object of the present invention is to provide 5-methyl-2- (piperazine-1-yl) benzenesulfonic acid monohydrate. (Hereinafter, in this specification, one of the two crystal forms is a monohydrate type II crystal, and the other is a monohydrate crystal form) There is.
- the gist of the present invention is as follows.
- the powder X-ray diffraction pattern has a diffraction peak at at least one selected from Bragg angles (2 ⁇ ) of 6.4 °, 13.0 °, 16.7 °, 19.5 °, and 19.8 ° (each ⁇ 0.2 °).
- the 5-methyl-2- (piperazine-1-yl) benzenesulfonic acid anhydride according to the above (11) having diffraction peaks at ° and 19.1 ° (each ⁇ 0.2 °).
- a pharmaceutical composition comprising the 5-methyl-2- (piperazine-1-yl) benzenesulfonic acid anhydride according to any one of (1) to (20) as an active ingredient.
- a pharmaceutical composition comprising the 5-methyl-2- (piperazine-1-yl) benzenesulfonic acid monohydrate according to any one of (21) to (24) as an active ingredient.
- anhydrous Form I crystals and anhydrous Form II crystals which are novel polymorphs of 5-methyl-2- (piperazine-1-yl) benzenesulfonic anhydride. be able to.
- a novel crystalline polymorph of 5-methyl-2- (piperazine-1-yl) benzenesulfonic acid monohydrate, monohydrate Form II crystals and monohydrate Form III crystals can be provided.
- FIG. 1 is a diagram showing a powder X-ray diffraction pattern of an anhydrous form I crystal.
- FIG. 2 is a graph showing an X-ray powder diffraction pattern of anhydrous Form II crystals.
- FIG. 3 is a diagram showing a crystal-free powder X-ray diffraction pattern described in Example 1 of Japanese Patent Laid-Open No. 3-7263.
- FIG. 4 is a diagram showing the results of thermal analysis measurement of anhydrous Form I crystals.
- FIG. 5 is a diagram showing the results of thermal analysis measurement of anhydride type II crystals.
- FIG. 6 is a diagram showing an infrared absorption spectrum of an anhydrous form I crystal.
- FIG. 7 is an infrared absorption spectrum of anhydride type II crystal.
- FIG. 8 is a graph showing the results of weight fluctuation measurement for each type of anhydrous I crystal.
- the solid line in the figure shows the increase in relative humidity (5% RH ⁇ 95% RH), and the dotted line shows the decrease in relative humidity (95% RH ⁇ 5% RH).
- FIG. 9 is a graph showing the results of measurement of weight fluctuation of each of anhydrous type II crystals at each relative humidity.
- the solid line in the figure shows the increase in relative humidity (5% RH ⁇ 95% RH), and the dotted line shows the decrease in relative humidity (95% RH ⁇ 5% RH).
- FIG. 10 is a diagram showing a powder X-ray diffraction pattern of a hydrate type II crystal.
- FIG. 11 is a diagram showing an X-ray powder diffraction pattern of monohydrate type III crystal.
- FIG. 12 is a diagram showing the results of thermal analysis measurement of a hydrate type II crystal.
- FIG. 13 is a graph showing the results of thermal analysis measurement of a hydrate form III crystal.
- the present invention is described in detail below.
- the anhydrous Form I crystal and the anhydrous Form II crystal of the present invention are crystals of the anhydride of 5-methyl-2- (piperazine-1-yl) benzenesulfonic acid represented by the formula ( ⁇ ). They are polymorphic and both have different physical characteristics.
- the anhydrous Form I crystal of the present invention has the following physical characteristics specific to the anhydrous Form I crystal that are not present in the anhydrous Form II crystal. That is, it is characterized by the following (a) and (b)
- the anhydrous form I crystal of the present invention preferably has diffraction peaks at Bragg angles (2 ⁇ ) of 16.7 ° and 19.5 ° (each ⁇ 0.2 °) in the powder X-ray diffraction pattern.
- the anhydrous Form II crystal of the present invention has the following physical characteristics specific to the anhydrous Form II crystal, which are not present in the anhydrous Form I crystal. That is, it is characterized by the following (c) and (d)
- the powder X-ray diffraction pattern shall have a diffraction peak in at least one selected from Bragg angles (2 ⁇ ) 6.3 ° 9.8 ° 12.8 ° 14.0 ° 14.7 ° 19.1 ° (each ⁇ 0.2 °).
- the anhydrous Form II crystal of the present invention has diffraction peaks at Bragg angles (2 ⁇ ) 14.0 ° 14.7 ° and 19 ⁇ (each ⁇ 0.2 °) in the powder X-ray diffraction pattern. .
- the monohydrate form II crystal of the present invention has the following physical characteristics specific to the monohydrate form II crystal, which are not present in the monohydrate form III crystal. That is, it is characterized by the following (e) and (f).
- the monohydrate type II crystal of the present invention has diffraction peaks at Bragg angles (2 ⁇ ) of 14.0 °, 15.5 ° and 26.2 ° (each ⁇ 0.2 °) in the powder X-ray diffraction pattern. Is preferred.
- the monohydrate form III crystal of the present invention has the following physical characteristics specific to the monohydrate form III crystal that are not present in the monohydrate form II crystal. That is, it is characterized by the following (g) and (h).
- the monohydrate form III crystal of the present invention has diffraction peaks at Bragg angles (2 ⁇ ) of 14.7 °, 18.9 °, and 22.3 ° (each ⁇ 0.2 °) in the powder X-ray diffraction pattern. Is preferred.
- the powder X-ray diffraction pattern is, for example, using a RINT2500 type powder X-ray apparatus (Rigaku Denki) or a powder X-ray diffraction apparatus (manufactured by Bruker) under the following conditions: Examples include X-ray diffraction patterns to be measured. However, strictly speaking, it is not limited to this device or method.
- the data patterns that are generally similar are as follows: It is included in the crystal of the present invention.
- a monohydrate ⁇ -shaped crystal is mixed with a monohydrate ⁇ -shaped crystal in an amount that cannot be detected by ordinary measurement methods, it is a monohydrate II-type crystal of the present invention.
- the monohydrate form III crystals cannot be detected by the usual measurement method! /, When a certain amount of monohydrate form II crystals are mixed! / It should also be understood that it is a monohydrate type III crystal of the present invention.
- the anhydrous form I crystal of the present invention is characterized by having a weight fluctuation of about 6% or more at a relative humidity of 50%.
- the anhydrous form II crystal of the present invention is characterized by a weight change of about 2% or less at a relative humidity of 50%.
- the relative humidity ranges from 0% to 95% at each relative humidity.
- the weight fluctuation for 5 minutes is 0.03% or less, or when 3 hours have passed at each relative humidity, increase or decrease the humidity in 5% increments and measure the weight fluctuation at each relative humidity. Create a weight variation curve.
- the anhydride of the present invention is regarded as the anhydrous form I crystal of the present invention when the weight variation at a relative humidity of 50% is about 6% or more in the weight variation curve.
- the weight fluctuation at 50% relative humidity is about 2% or less, it is understood that the present invention is the anhydrous form II crystal.
- the weight fluctuation can be measured using, for example, an SGA-100 type moisture adsorption device (manufactured by VTI). Error in relative humidity value depends on device performance
- Weight fluctuation in the present invention refers to a value calculated by the following calculation formula.
- DM Sample weight (mg) when fully dried at 0% relative humidity
- Anhydride type II crystal in the present invention is 5-methyl-2- (piperazine-1-yl) benzenesulfonic acid anhydride (hereinafter referred to as the following), which is obtained according to the method described in Example 1 of Patent Document 1 described above. Compared with “Known product 1”), it has the advantage of being crystallographically stable with poor hygroscopicity. Therefore, it is useful for use as a drug substance.
- the anhydride Form I crystal in the present invention is capable of providing 5-methyl-2- (piperazine-1-yl) benzenesulfonic acid having a poor weight change at a daily relative humidity of 40 to 60%. There is a point and it is rich in operability.
- the monohydrate type II crystal and the monohydrate type III crystal! / And the deviation, no prominent endothermic peak was observed up to around 80 ° C in the thermal analysis measurement, and the stability was stable. It was confirmed that it was a crystal.
- the novel crystals of the present invention can be supplied stably as a drug substance for pharmaceuticals.
- the method for producing the crystal of the present invention is not particularly limited.
- 5-methyl-2- (piperazine obtained by the method described in Example 1 of Patent Document 2 is used.
- -1- Yl) benzenesulfonic acid monohydrate a step of crystallizing after dissolving the substance in a solvent, and a step of concentrating and crystallizing the solution of the substance.
- a preferable example includes a step of stirring a solid substance in a solvent in a suspended state.
- the above-mentioned solvents include various solvents that are acceptable in the production of normal pharmaceuticals such as N, N-dimethylformamide, ethyl acetate, chloroform, cyclohexane, ethanol, methanol, acetone, acetonitrile, and water. These mixed solvents are mentioned.
- Anhydrous Form I crystals are more preferred as a method for producing 5-methyl-2- (piperazine-1-yl) benzenesulfonic acid monohydrate! Alternatively, a method of hanging and drying the obtained crystals can be mentioned.
- hanging refers to an operation of stirring a solid substance in a solvent in a suspended state.
- drying refers to an operation of removing a solvent adsorbed on a solid substance by heating, (and) reducing pressure, or (and) blowing an air flow, or the like.
- drying is performed under heating (over 80 ° C) or under reduced pressure (eg under ImmHg).
- the method for producing the anhydrous Form II crystals is more preferably 5-methyl-2- (piperazine-1-inole) benzenesulfonic acid monohydrate / without water! / A method of crystallization or hang-up is used.
- a solvent not containing water refers to an organic solvent having a water content of not more than 0.2%, and preferably includes N, N-dimethylformamide and the like.
- an anhydrous form I crystal and an anhydrous form II crystal at an arbitrary ratio can be obtained.
- an anhydrous form I crystal and an anhydrous form II crystal obtained by the above production method are mixed in a desired ratio to obtain a mixture containing the anhydrous form I crystal and the anhydrous form II crystal in an arbitrary ratio. It is possible to obtain.
- the crystal of the present invention When the crystal of the present invention is administered as a pharmaceutical, it is applied to humans orally or parenterally by conventional methods.
- the dosage form for oral administration include granules, fine granules, powders, tablets, hard capsules, soft capsules, syrups, emulsions, suspensions or liquids.
- Examples of the dosage form for parenteral administration include injections, suppositories, and transdermal agents.
- the pharmaceutical composition comprising the crystal of the present invention as an active ingredient includes a solid or liquid pharmaceutical carrier or excipient, stabilizer, lubricant, sweetener, preservative in the above dosage form. , And other commonly used pharmaceutical additives such as suspending agents.
- the content of the active ingredient for prevention and / or treatment in the carrier component is preferably in the range of 1% to 90% by weight.
- the crystal of the present invention has an inhibitory action on intracellular calcium ion over-accumulation in myocardium or vascular smooth muscle, an inhibitory action on sodium / calcium exchange system, and suppression of intracellular sodium ion over-accumulation. Therefore, the medicament comprising the crystal of the present invention as an active ingredient is useful for the treatment and / or prevention of cardiovascular diseases caused by intracellular calcium ion overaccumulation and / or intracellular sodium ion overaccumulation.
- the medicament comprising the crystal of the present invention as an active ingredient is effective for the treatment and / or prevention of ischemic heart disease and ischemic cardiovascular disease, and preferably, myocardial infarction, angina pectoris, heart failure Effective for the treatment and / or prevention of hypertension, arrhythmia, cardiomyopathy, diastolic dysfunction, nervous system disorder, cerebrovascular disorder, ischemic cerebrovascular disorder, heart failure or arrhythmia in diabetic ischemic heart disease, etc. is there.
- a medicament comprising the crystal of the present invention as an active ingredient is a drug for the prevention or / and treatment of cardiovascular disorders, and as a drug for administration to a patient undergoing percutaneous coronary intervention. It is effective and effective for treating myocardial infarction of the patient.
- the ischemic circulatory disorder in the present invention is a circulatory disorder caused by disruption of blood vessels due to thrombus formation or the like, and specifically includes myocardial infarction or angina pectoris.
- Power S can be.
- ST elevation myocardial infarction ST elevation myocardial infarction (STEMI).
- the dose is appropriately determined in consideration of the purpose of prevention or treatment, the type of disease to be prevented or treated, the patient's symptoms, body weight, age, sex, etc. Although it may be determined for each active ingredient, it is usually possible to administer about 0.0 Olmg to about! OOmg by oral administration per adult day, or about 0.0.Omg to about! OOOmg by oral administration. . It is desirable to administer such doses in one to several doses per day. [0047] In addition, in the prevention and / or treatment of the diseases listed above, it is also possible to use other drugs that can be used normally.
- Example 1 and 2 and Test Examples 1 to 4 powder X-ray diffraction apparatus (manufactured by Rigaku Corporation) RINT2500, thermal analyzer (manufactured by Seiko Instruments Inc.) TG / DTA6200 Moisture adsorption device (manufactured by VTI) SGA-100 was used.
- the powder X-ray diffraction pattern was measured at room temperature and using a Cu as the X-ray source and a 2 ⁇ angle range of 3 to 40 °.
- the thermal analysis was carried out in a stream of dry nitrogen gas at 300 mL / min up to 30-350 ° C at a temperature increase rate of 2 ° C / min.
- the powder X-ray diffractogram was measured at room temperature using a monochromator of CuKa with a 2 ⁇ angle range of 1.5 ⁇ 4 ⁇ 5 °.
- the thermal analysis was carried out in a stream of 50 mL of dry nitrogen gas per minute in a temperature range from 25 to 300 ° C at a temperature increase rate of 20 ° C per minute.
- the weight fluctuation measurement is performed when the relative humidity is within a range of 0% to 95% and / or when each relative humidity condition is! /, And the weight fluctuation for 5 minutes is 0.03% or less, or When 3 hours passed at each relative humidity, the humidity was increased or decreased in 5% increments, and the weight change at each relative humidity was measured to create a weight fluctuation curve.
- “RH” means “phase”.
- Example 1 Form I crystal of 5-methyl-2- (piperazine-1-yl) benzenesulfonic anhydride 55--Memethytilyl --22-- ((Pipipeperaziridine--11-yl)) bebenzententionfophonic acid monohydrate hydrate at 115500 ° C 22 Crystal heating was obtained by heating and heating for an hour. . The present crystal crystal absorbs and absorbs water immediately in the air, and is transferred to a monohydrate hydrate. It was dried and dried by an appropriate and appropriate method for each measurement measurement. .
- Example 22 of the practical example were designated as sasanpupururu 22 ((anhydrous anhydrate IIII-type crystal)), and the powder powder powder XX line diffraction pattern I was measuring and measuring. .
- the powder powder XX line diffraction pattern was measured and determined under the following conditions. .
- Equipment Equipment :: RRIINNTT22550000 Type Powder Powder Powder XX Wire Equipment Equipment ((Rigaku Denki Denki))
- XX ray source :: CCuu
- Receiving light slit 00..1155mmmm
- Range of scan scanning inspection : 33 ⁇ 4400 °° 22 ⁇
- Step width width 00..0022 °°
- Powdered powders of sasanpurpur 11 ((anhydrous water II form crystal)), sasanumpur 22 ((anhydrous ⁇ form II crystal)
- XX line diffraction pattern patter pattern Are shown in Fig. 1 and Fig. 2, respectively.
- the diffraction peak value (2 ⁇ ) of the powder X-ray diffraction pattern of sample 1 is shown in Table 1, and the diffraction peak value of the powder X-ray diffraction pattern of sample 2 (anhydride type II crystal) (2 ⁇ ) ) Is shown in Table 2.
- the powder X-ray diffraction pattern of the known product is shown in FIG. 3, and the diffraction peak value (2 ⁇ ) is shown in Table 3.
- Example 2 5 mg of sample 2 obtained in Example 2 was weighed and placed on an aluminum open pan, and thermal analysis measurement was performed. Each measurement was performed under the following conditions.
- Atmosphere 300mL per minute under nitrogen flow
- Figures 4 and 5 show the results of thermal analysis of sample 3 (anhydride type I crystal) and sample 2 (anhydride type II crystal), respectively.
- Sample 3 anhydrous Form I crystal
- Sample 2 Anhydrous Form II crystal
- Weight loss and endotherm due to melting (decomposition) around 270 ° C were observed.
- Test Example 3 Infrared absorption spectrum measurement
- sample 2 anhydride type II crystal obtained in Example 2 was measured by the K C1 tablet method.
- Sample 2 (anhydride type II crystal) obtained in Example 2 was subjected to a 60-minute heat-drying process in the sample booth under nitrogen substitution at 80 ° C, and weight fluctuation measurement was started from 5% RH. did.
- FIGS 8 and 9 show the weight fluctuation curves of Sample 7 (anhydrous Form I crystal) and Sample 8 (Anhydride Form II crystal), respectively.
- Sample 7 (anhydrous Form I crystal) began to absorb moisture from 10% RH during the process of increasing humidity from 5% RH to 95% RH, and a weight increase of approximately 6.0% was observed at 50% RH (Fig. 8: Solid line). This change in weight is considered to indicate the transition to the monohydrate (theoretical value (7.03%). After moisture absorption, no change in weight was observed even when the humidity was lowered from 95% RH to 5% RH. ( Figure 8: Dotted line) Therefore, it can be seen that the water of hydration did not desorb.
- Sample 2 (anhydride type II crystal) has a weight variation of about 2.0% in the range of 0-50% RH during the process of increasing the humidity from 5% RH to 95% RH, and is almost hygroscopic. It was determined that it was not allowed. A weight increase of about 6.5% was observed near 60% RH ( Figure 9: solid line). After moisture absorption, even if the humidity is lowered from 95% RH to 5% RH, there is no change in weight, indicating that the water of hydration does not desorb ( Figure 9: dotted line).
- the anhydrous form I crystal of the present invention has a weight fluctuation of about 6% at a relative humidity of 50%, and the weight fluctuation is poor at 40-60% RH, which is a daily humidity condition. ⁇
- the anhydrous Form II crystal of the present invention has a weight fluctuation of about 2% or less at a relative humidity of 50% and is crystallographically stable with poor hygroscopicity.
- Example 3 The solids obtained in Examples 3, 4 and 5 were designated as sample 8 (-hydrate type II crystal) and sample 9 (monohydrate type III crystal), respectively, and powder X-ray diffraction was performed under the following conditions. It was measured.
- sample 8 (—hydrate II crystal) are 7.3, 14.0, 15.5, 19.1, 21.7 and 26.2 as diffraction angles represented by 2 ⁇ . ( ⁇ 0.2 ° for each).
- This X-ray diffraction pattern is completely different from the previously known crystal X-ray diffraction pattern of 5-methyl-2- (piperazine-1-yl) benzenesulfonic acid. It was confirmed that this was a crystal.
- sample 9 (monohydrate form III crystal) were 7.4, 14.7, 18.9, 19.4, and 22.3 ° ( ⁇ 0.2 ° respectively) as diffraction angles represented by 2 ⁇ .
- This X-ray diffraction pattern is completely different from the known crystal X-ray diffraction pattern of 5-methyl-2- (piperazine-1-yl) benzenesulfonate. It is certain that It has been certified.
- the solids obtained in Examples 3 and 4 were sample 8 (-hydrate II crystal) and sample 9 (monohydrate III crystal), respectively, and thermal analysis measurement was performed under the following conditions.
- Atmosphere Dry nitrogen gas 50mL / min
- Fig. 12 and Fig. 13 show the results of thermal analysis of sample 8 (-hydrate type II crystal) and sample 9 (monohydrate type III crystal), respectively.
- sample 8 (—hydrate type II crystal) nor sample 9 (monohydrate type III crystal) was found to be stable crystals with no noticeable endothermic peak up to around 80 ° C. Was done.
- the heatgrams in these thermal analysis measurements were different from those shown in FIGS. 4 and 5 and were confirmed to be new crystals. Thereby, the novel crystal of the present invention can be stably supplied as a drug substance for pharmaceuticals.
- 2- (1-piperazinyl) -5-methylbenzenesulfonic anhydride which is expected to be effective as an active ingredient of a preventive or therapeutic agent for heart disease, is novel.
- Crystalline polymorphs I and II can be provided.
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Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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EP07791047A EP2050741A4 (en) | 2006-07-21 | 2007-07-20 | CRYSTALLINE POLYMORPHISM OF 5-METHYL-2- (PIPERAZINE-1-YL) BENZOLSULPHONIC ACID |
JP2008525909A JPWO2008010566A1 (ja) | 2006-07-21 | 2007-07-20 | 5−メチル‐2‐(ピペラジン−1−イル)ベンゼンスルホン酸の結晶多形 |
US12/309,469 US20090318461A1 (en) | 2006-07-21 | 2007-07-20 | Crystalline polymorphism of 5-methyl-2-(piperazin-1-yl) benzenesulfonic acid |
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JP2006-200072 | 2006-07-21 | ||
JP2006200072 | 2006-07-21 |
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WO2008010566A1 true WO2008010566A1 (fr) | 2008-01-24 |
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PCT/JP2007/064309 WO2008010566A1 (fr) | 2006-07-21 | 2007-07-20 | Polymorphisme cristallin de l'acide 5-méthyl-2-(pipérazin-1-yl)-benzènesulfonique |
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Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0390654A1 (en) | 1989-03-27 | 1990-10-03 | Mitsubishi Chemical Corporation | Aminobenzenesulfonic acid derivative |
EP0779283A1 (en) | 1995-12-15 | 1997-06-18 | Mitsubishi Chemical Corporation | Monohydrates of aminobenzenesulfonic acid derivatives and method for preparation thereof |
JPH09221479A (ja) | 1995-12-15 | 1997-08-26 | Mitsubishi Chem Corp | アミノベンゼンスルホン酸誘導体一水和物及びその製造方法 |
JPH10298077A (ja) * | 1997-04-24 | 1998-11-10 | Mitsubishi Chem Corp | 心筋症の治療、予防剤 |
WO1999040919A1 (fr) * | 1998-02-12 | 1999-08-19 | Mitsubishi Chemical Corporation | Medicaments contre les troubles diastoliques cardiaques |
JP2004538292A (ja) * | 2001-07-25 | 2004-12-24 | 三菱ウェルファーマ株式会社 | ナトリウム・カルシウム交換系を阻害する医薬 |
JP2006200072A (ja) | 2005-01-20 | 2006-08-03 | Toray Ind Inc | 溶融紡糸装置 |
-
2007
- 2007-07-20 WO PCT/JP2007/064309 patent/WO2008010566A1/ja active Application Filing
- 2007-07-20 JP JP2008525909A patent/JPWO2008010566A1/ja active Pending
- 2007-07-20 US US12/309,469 patent/US20090318461A1/en not_active Abandoned
- 2007-07-20 EP EP07791047A patent/EP2050741A4/en not_active Withdrawn
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0390654A1 (en) | 1989-03-27 | 1990-10-03 | Mitsubishi Chemical Corporation | Aminobenzenesulfonic acid derivative |
JPH037263A (ja) | 1989-03-27 | 1991-01-14 | Mitsubishi Kasei Corp | アミノベンゼンスルホン酸誘導体 |
EP0779283A1 (en) | 1995-12-15 | 1997-06-18 | Mitsubishi Chemical Corporation | Monohydrates of aminobenzenesulfonic acid derivatives and method for preparation thereof |
JPH09221479A (ja) | 1995-12-15 | 1997-08-26 | Mitsubishi Chem Corp | アミノベンゼンスルホン酸誘導体一水和物及びその製造方法 |
JPH10298077A (ja) * | 1997-04-24 | 1998-11-10 | Mitsubishi Chem Corp | 心筋症の治療、予防剤 |
WO1999040919A1 (fr) * | 1998-02-12 | 1999-08-19 | Mitsubishi Chemical Corporation | Medicaments contre les troubles diastoliques cardiaques |
JP2004538292A (ja) * | 2001-07-25 | 2004-12-24 | 三菱ウェルファーマ株式会社 | ナトリウム・カルシウム交換系を阻害する医薬 |
JP2006200072A (ja) | 2005-01-20 | 2006-08-03 | Toray Ind Inc | 溶融紡糸装置 |
Non-Patent Citations (2)
Title |
---|
ASHIZAWA K.: "Iryohin Kessho no Bunshi Jotai ni Kansuru Bussei Hyoka (6) Giji Kessho Tagata no Jirei Cimetidine no Cefclidin no Tagata (1)", PHARM. TECH. JAPAN, vol. 18, no. 4, 2002, pages 557 - 560, XP003020428 * |
See also references of EP2050741A4 * |
Also Published As
Publication number | Publication date |
---|---|
US20090318461A1 (en) | 2009-12-24 |
EP2050741A1 (en) | 2009-04-22 |
EP2050741A4 (en) | 2009-10-28 |
JPWO2008010566A1 (ja) | 2009-12-17 |
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