EP1907351A1 - Hcl-polymorphe von 3 - ( 2- (dimethylamino) methyl- ( cyclohex-i-yl) ) phenol - Google Patents
Hcl-polymorphe von 3 - ( 2- (dimethylamino) methyl- ( cyclohex-i-yl) ) phenolInfo
- Publication number
- EP1907351A1 EP1907351A1 EP06776327A EP06776327A EP1907351A1 EP 1907351 A1 EP1907351 A1 EP 1907351A1 EP 06776327 A EP06776327 A EP 06776327A EP 06776327 A EP06776327 A EP 06776327A EP 1907351 A1 EP1907351 A1 EP 1907351A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- methyl
- cyclohex
- dimethylamino
- crystalline form
- phenol hydrochloride
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- JIRYWFYYBBRJAN-UHFFFAOYSA-N 3-[2-[(dimethylamino)methyl]cyclohexyl]phenol Chemical compound CN(C)CC1CCCCC1C1=CC=CC(O)=C1 JIRYWFYYBBRJAN-UHFFFAOYSA-N 0.000 title claims abstract description 15
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims abstract description 49
- 238000000034 method Methods 0.000 claims abstract description 45
- 239000000203 mixture Substances 0.000 claims abstract description 43
- 230000008569 process Effects 0.000 claims abstract description 33
- 239000003814 drug Substances 0.000 claims abstract description 24
- 239000008194 pharmaceutical composition Substances 0.000 claims abstract description 22
- 150000003839 salts Chemical class 0.000 claims abstract description 18
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229910000041 hydrogen chloride Inorganic materials 0.000 claims abstract description 9
- -1 methyl (cyclohex-1-yl) phenol hydrochloride Chemical compound 0.000 claims description 134
- 239000002904 solvent Substances 0.000 claims description 73
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 63
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical class CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 50
- 238000001237 Raman spectrum Methods 0.000 claims description 43
- 150000001875 compounds Chemical class 0.000 claims description 42
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical class CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 41
- 230000015572 biosynthetic process Effects 0.000 claims description 32
- 238000002441 X-ray diffraction Methods 0.000 claims description 31
- 238000002360 preparation method Methods 0.000 claims description 26
- 239000000725 suspension Substances 0.000 claims description 24
- 150000004677 hydrates Chemical class 0.000 claims description 19
- 239000012453 solvate Substances 0.000 claims description 19
- 208000002193 Pain Diseases 0.000 claims description 18
- 239000004480 active ingredient Substances 0.000 claims description 14
- MOPDEMAOEMHGAS-UHFFFAOYSA-N 2-cyclohexyl-3-methylphenol Chemical compound CC1=CC=CC(O)=C1C1CCCCC1 MOPDEMAOEMHGAS-UHFFFAOYSA-N 0.000 claims description 13
- 238000002425 crystallisation Methods 0.000 claims description 10
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- 238000011282 treatment Methods 0.000 claims description 8
- 229940035676 analgesics Drugs 0.000 claims description 3
- 239000000730 antalgic agent Substances 0.000 claims description 3
- 125000006222 dimethylaminomethyl group Chemical group [H]C([H])([H])N(C([H])([H])[H])C([H])([H])* 0.000 claims description 3
- 239000003937 drug carrier Substances 0.000 claims description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 2
- 239000008024 pharmaceutical diluent Substances 0.000 claims description 2
- NHADDZMCASKINP-HTRCEHHLSA-N decarboxydihydrocitrinin Natural products C1=C(O)C(C)=C2[C@H](C)[C@@H](C)OCC2=C1O NHADDZMCASKINP-HTRCEHHLSA-N 0.000 claims 1
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 73
- 239000007787 solid Substances 0.000 description 41
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 35
- 239000000243 solution Substances 0.000 description 28
- 238000000113 differential scanning calorimetry Methods 0.000 description 19
- ZPUCINDJVBIVPJ-LJISPDSOSA-N cocaine Chemical compound O([C@H]1C[C@@H]2CC[C@@H](N2C)[C@H]1C(=O)OC)C(=O)C1=CC=CC=C1 ZPUCINDJVBIVPJ-LJISPDSOSA-N 0.000 description 18
- 238000010438 heat treatment Methods 0.000 description 18
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 16
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- VYSLNAXTLKZELH-UHFFFAOYSA-N 3-[2-(dimethylamino)-1-methylcyclohexyl]phenol;hydrochloride Chemical compound Cl.CN(C)C1CCCCC1(C)C1=CC=CC(O)=C1 VYSLNAXTLKZELH-UHFFFAOYSA-N 0.000 description 15
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 14
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- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 12
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- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 12
- 239000007789 gas Substances 0.000 description 11
- 238000003828 vacuum filtration Methods 0.000 description 11
- BZLVMXJERCGZMT-UHFFFAOYSA-N Methyl tert-butyl ether Chemical compound COC(C)(C)C BZLVMXJERCGZMT-UHFFFAOYSA-N 0.000 description 10
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 10
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- DLYUQMMRRRQYAE-UHFFFAOYSA-N tetraphosphorus decaoxide Chemical compound O1P(O2)(=O)OP3(=O)OP1(=O)OP2(=O)O3 DLYUQMMRRRQYAE-UHFFFAOYSA-N 0.000 description 10
- SNICXCGAKADSCV-JTQLQIEISA-N (-)-Nicotine Chemical compound CN1CCC[C@H]1C1=CC=CN=C1 SNICXCGAKADSCV-JTQLQIEISA-N 0.000 description 9
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- 208000011117 substance-related disease Diseases 0.000 description 9
- QPFMBZIOSGYJDE-UHFFFAOYSA-N 1,1,2,2-tetrachloroethane Chemical compound ClC(Cl)C(Cl)Cl QPFMBZIOSGYJDE-UHFFFAOYSA-N 0.000 description 8
- OZJPLYNZGCXSJM-UHFFFAOYSA-N 5-valerolactone Chemical compound O=C1CCCCO1 OZJPLYNZGCXSJM-UHFFFAOYSA-N 0.000 description 8
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 8
- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 description 8
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 8
- AMQJEAYHLZJPGS-UHFFFAOYSA-N N-Pentanol Chemical compound CCCCCO AMQJEAYHLZJPGS-UHFFFAOYSA-N 0.000 description 8
- DKGAVHZHDRPRBM-UHFFFAOYSA-N Tert-Butanol Chemical compound CC(C)(C)O DKGAVHZHDRPRBM-UHFFFAOYSA-N 0.000 description 8
- MWKFXSUHUHTGQN-UHFFFAOYSA-N decan-1-ol Chemical compound CCCCCCCCCCO MWKFXSUHUHTGQN-UHFFFAOYSA-N 0.000 description 8
- UAEPNZWRGJTJPN-UHFFFAOYSA-N methylcyclohexane Chemical compound CC1CCCCC1 UAEPNZWRGJTJPN-UHFFFAOYSA-N 0.000 description 8
- 238000012986 modification Methods 0.000 description 8
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- 229910052757 nitrogen Inorganic materials 0.000 description 8
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- HBAQYPYDRFILMT-UHFFFAOYSA-N 8-[3-(1-cyclopropylpyrazol-4-yl)-1H-pyrazolo[4,3-d]pyrimidin-5-yl]-3-methyl-3,8-diazabicyclo[3.2.1]octan-2-one Chemical class C1(CC1)N1N=CC(=C1)C1=NNC2=C1N=C(N=C2)N1C2C(N(CC1CC2)C)=O HBAQYPYDRFILMT-UHFFFAOYSA-N 0.000 description 6
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 6
- IJOOHPMOJXWVHK-UHFFFAOYSA-N chlorotrimethylsilane Chemical compound C[Si](C)(C)Cl IJOOHPMOJXWVHK-UHFFFAOYSA-N 0.000 description 6
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- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 5
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- WBWWGRHZICKQGZ-GIHLXUJPSA-N taurocholic acid Chemical compound C([C@@H]1C[C@H]2O)[C@@H](O)CC[C@]1(C)[C@@H]1[C@@H]2[C@@H]2CC[C@@H]([C@@H](CCC(=O)NCCS(O)(=O)=O)C)[C@@]2(C)[C@H](O)C1 WBWWGRHZICKQGZ-GIHLXUJPSA-N 0.000 description 1
- AWDRATDZQPNJFN-VAYUFCLWSA-N taurodeoxycholic acid Chemical compound C([C@H]1CC2)[C@H](O)CC[C@]1(C)[C@@H]1[C@@H]2[C@@H]2CC[C@H]([C@@H](CCC(=O)NCCS(O)(=O)=O)C)[C@@]2(C)[C@@H](O)C1 AWDRATDZQPNJFN-VAYUFCLWSA-N 0.000 description 1
- 230000000699 topical effect Effects 0.000 description 1
- 239000009637 wintergreen oil Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C215/00—Compounds containing amino and hydroxy groups bound to the same carbon skeleton
- C07C215/46—Compounds containing amino and hydroxy groups bound to the same carbon skeleton having hydroxy groups bound to carbon atoms of at least one six-membered aromatic ring and amino groups bound to acyclic carbon atoms or to carbon atoms of rings other than six-membered aromatic rings of the same carbon skeleton
- C07C215/64—Compounds containing amino and hydroxy groups bound to the same carbon skeleton having hydroxy groups bound to carbon atoms of at least one six-membered aromatic ring and amino groups bound to acyclic carbon atoms or to carbon atoms of rings other than six-membered aromatic rings of the same carbon skeleton with rings other than six-membered aromatic rings being part of the carbon skeleton
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C215/00—Compounds containing amino and hydroxy groups bound to the same carbon skeleton
- C07C215/46—Compounds containing amino and hydroxy groups bound to the same carbon skeleton having hydroxy groups bound to carbon atoms of at least one six-membered aromatic ring and amino groups bound to acyclic carbon atoms or to carbon atoms of rings other than six-membered aromatic rings of the same carbon skeleton
- C07C215/66—Compounds containing amino and hydroxy groups bound to the same carbon skeleton having hydroxy groups bound to carbon atoms of at least one six-membered aromatic ring and amino groups bound to acyclic carbon atoms or to carbon atoms of rings other than six-membered aromatic rings of the same carbon skeleton with quaternised amino groups bound to the carbon skeleton
-
- 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
-
- 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
- A61P25/04—Centrally acting analgesics, e.g. opioids
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P29/00—Non-central analgesic, antipyretic or antiinflammatory agents, e.g. antirheumatic agents; Non-steroidal antiinflammatory drugs [NSAID]
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C213/00—Preparation of compounds containing amino and hydroxy, amino and etherified hydroxy or amino and esterified hydroxy groups bound to the same carbon skeleton
- C07C213/10—Separation; Purification; Stabilisation; Use of additives
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
- C07B2200/00—Indexing scheme relating to specific properties of organic compounds
- C07B2200/13—Crystalline forms, e.g. polymorphs
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2601/00—Systems containing only non-condensed rings
- C07C2601/12—Systems containing only non-condensed rings with a six-membered ring
- C07C2601/14—The ring being saturated
Definitions
- the present invention relates to a crystalline salt of 3- [2- (dimethylamino) methyl- (cyclohex-1-yl)] phenol and hydrogen chloride, preferably in a composition of 1: 1, various crystalline forms of this salt and to processes for their preparation , a pharmaceutical composition and the use of the salt as a pharmaceutical agent in a drug.
- EP-A1-0 753 506 3- [2- (dimethylamino) methyl (cyclohex-1-yl)] - phenols are described with analgesic effect. It is mentioned in the description that it is also possible to prepare salts from the free bases of these compounds, such as, for example, hydrochlorides. However, EP-A1-0 753 506 contains no evidence that these hydrochlorides can be obtained as a crystalline solid.
- the crystalline form V is suitable as an active ingredient for the formulation of pharmaceutical compositions. Furthermore, it has been found that the hydrochloride salts are characterized by a very good solubility in water.
- a first subject of the invention are therefore crystalline salts of hydrogen chloride with 3- [2- (dimethylamino) methyl (cyclohex-1-yl)] phenol, whereby 3- [2- dimethylamino) methyl (cyclohex-1-yl) Phenol hydrochloride of the following formula (1) is preferred.
- the compounds of the formula (1) each contain a chiral carbon atom in the 1- and 2-positions of the cyclohexane ring.
- the compounds of formula (1) include all stereoisomers and mixtures of stereoisomers. Preferred are diastereomers or mixtures of enantiomeric diastereomers with trans configuration of the phenyl ring and the dimethylaminomethyl group (1R, 2R or 1S, 2S configuration), with the enantiomer of absolute configuration (1R.2R) being most preferred.
- Another object of the invention is a process for the preparation of 3- [2- dimethylamino) methyl (cyclohex-1-yl) phenol hydrochloride of the formula (1) comprising the steps
- 3- [2- (dimethylamino) methyl (cyclohex-1-yl)] phenol can be added in solution, as a suspension or in bulk in a solution or gas containing hydrogen chloride.
- the hydrochloric acid in step b) of the abovementioned process can be present in particular as an aqueous solution or as a solution in an organic solvent, preferably in a solvent selected from the group consisting of diethyl ether, tert-butyl methyl ether and tetrahydrofuran.
- a process for preparing 3- [2-dimethylamino) methyl (cyclohex-1-yl) -phenol hydrochloride of the formula (1) comprising the steps a) dissolving 3- [2- (dimethylamino) methyl- (cyclohex-1-yl)] phenol in a solvent, or introducing 3- [2- (dimethylamino) methyl (cyclohex-1-yl)] phenol in bulk, and b) introducing hydrogen chloride gas into the solution or Suspension or passing of hydrogen chloride gas over the solid.
- the compounds of the formula (1) are also obtained in an amorphous form in the salt formation process according to the invention.
- Amorphous forms of the compounds of the formula (1) are obtainable, for example, simply by freeze-drying or rapid cooling of solutions. Amorphous compounds of formula (1) are not very stable and tend to form hydrates in the presence of moisture. Also suitable are amorphous forms of the compounds of formula (1) in solvating solvents such as acetone, ethanol, methanol, methyl ethyl ketone, isopropanol, n-propanol and n-octanol to prepare the corresponding solvates. The amorphous form of the compounds of formula (1) can also be used for the targeted production of crystalline forms.
- the compounds of the formula (1) form crystalline solids as polymorphic forms which can be prepared selectively from 3- [2-dimethylamino) methyl (cyclohex-1-yl) -phenol hydrochloride and, owing to their stability, particularly as active ingredient suitable for the formulation of pharmaceutical compositions. Due to its kinetic stability, the crystalline form II is preferably suitable as an active ingredient for the formulation of pharmaceutical compositions. Also preferably, the crystalline form V is suitable as an active ingredient for the formulation of pharmaceutical compositions due to their stability in the presence of water, for example in the form of atmospheric moisture.
- Another object of the invention is a crystalline form of 3- [2-dimethylamino) methyl (cyclohex-1-yl) phenol hydrochloride of the formula (1), which has a characteristic X-ray diffraction pattern in the range of 2 ° to 35 ° having distinct characteristic peaks expressed in 2 theta values: 11.2 (W) 1 14.1 (m), 17.1 (w), 19.5 (w), 19.8 (vs), 20.5 (w), 21.5 (m), 24.1 (m), 26.1 (s), 26.8 (w), 31.3 (m);
- Form I hereinafter referred to as Form I.
- Another object of the invention is a crystalline form I of 3- [2- (dimethylamino) methyl (cyclohex-1-yl)] - phenol-HCl of the formula I, which has a characteristic X-ray diffraction pattern with the following pronounced reflections.
- the measuring accuracy of the 2Theta values is in the range of ⁇ 0.2.
- the crystalline form I of 3- [2-dimethylamino) methyl- (cyclohex-1-yl) -phenol hydrochloride of the formula (1) has a characteristic Raman spectrum with characteristic bands which is characterized by the following wavenumbers (cm -1 ). is described:
- Another object of the invention is a crystalline form I of 3- [2-dimethylamino) methyl (cyclohex-1-yl) phenol hydrochloride of formula (1), which has a characteristic X-ray diffraction pattern, as shown in Figure 1.
- Another object of the invention is a crystalline form I of 3- [2-dimethylamino) methyl (cyclohex-1-yl) phenol hydrochloride of the formula (1), which is characterized by a Raman spectrum as shown in Figure 2.
- the crystalline form I is the thermodynamically most stable form at low temperatures up to about 40 ° C.
- the crystalline form I irreversibly forms hydrates of the crystalline form V in the presence of atmospheric moisture at a relative humidity of> 50%. At a relative humidity> 95% hydrates with a proportion of water of crystallization based on the total weight of the hydrate in the range of 8% to 10%.
- the compounds of the crystalline form I can advantageously be stored in a low-moisture environment, for example in a vessel over phosphorus pentoxide or molecular sieve. It is also advisable to store the crystalline form I under dry protective gas (for example nitrogen).
- the melting point is about 150 0 C.
- Polymorph I can be prepared as a solid powder with desired average particle sizes which are typically in the range of 1 ⁇ m to about 500 ⁇ m.
- the compound of formula (1) forms another, thermodynamically stable at higher temperatures crystalline form II, which is also stable under normal conditions in air and to the exclusion of atmospheric moisture.
- the crystalline form II is also so manageable that it can be used for the preparation of pharmaceutical compositions.
- Another object of the invention is a crystalline form of 3- [2-dimethylamino) methyl (cyclohex-1-yl) phenol hydrochloride of the formula (1), which has a characteristic X-ray diffraction pattern in the range of 2 ° to 35 ° having pronounced characteristic lines expressed in 2Theta values: 11.1 (m), 12.9 (W), 16.1 (m), 17.1 (w), 19.1 (s), 19.6 (w), 19.9 (m), 23.2 (w ), 25.8 (w), 26.1 (s), 33.6 (w); hereinafter referred to as Form Il.
- Another object of the invention is a crystalline form II of 3- [2- (dimethylamino) methyl (cyclohex-1-yl)] - phenol-HCl of the formula I, which has a characteristic X-ray diffraction pattern with the following pronounced reflections.
- Another object of the invention is a crystalline form II of 3- [2-dimethylamino) methyl (cyclohex-1-yl) phenol hydrochloride of the formula (1), which has a characteristic Raman spectrum with characteristic bands, which by the following wavenumbers (cm "1 ) is described
- Another object of the invention is a crystalline form II of 3- [2-dimethylamino) methyl (cyclohex-1-yl) phenol hydrochloride of the formula (1), which has a characteristic X-ray diffraction pattern as shown in Figure 3.
- Another object of the invention is a crystalline form II of 3- [2-dimethylamino) methyl (cyclohex-1-yl) phenol hydrochloride of the formula (1), which is characterized by a Raman spectrum as shown in Figure 4.
- the compounds of the crystalline form II are less hygroscopic than the compounds of the crystalline forms IJII or IV and form only at a relative humidity> 70% hydrates of the crystalline form V.
- the crystalline form Il transforms by stir-mixing in ethyl acetate at a temperature between 20 0 C and 30 0 C, preferably at a temperature of 23 0 C 1 slowly into the thermodynamically more stable at this temperature for Form I, so that only after 32 Days the crystalline form II has completely converted into the crystalline form I.
- a small proportion of the crystalline form I can be detected after three days of stirring.
- the conversion of the crystalline form II into the crystalline form I by means of agitation mixing takes place only slowly in the presence of seed crystals of the crystalline form I.
- the low hygroscopicity and the kinetic stability make the crystalline form II a suitable active ingredient in pharmaceutical formulations.
- the compounds of crystalline form II have good chemical stability. They form in the presence of atmospheric moisture at a relative humidity> 70 0 C only slowly hydrates of the crystalline form V from. At a relative humidity> 95% hydrates with a proportion of water of crystallization based on the total weight of the hydrate in the range of 8% to 10%.
- the compounds of the crystalline form II are advantageously stored in a low-moisture environment, for example in a vessel over phosphorus pentoxide or molecular sieve. Likewise, storage of the crystalline form II under dry inert gas (for example nitrogen) is recommended.
- dry inert gas for example nitrogen
- the melting point is in the range between 175 0 C and 178 0 C and the enthalpy of fusion is about 93.3 J / g, determined by DSC at a heating rate of 10 ° C / minute.
- Polymorph II can be prepared as a solid powder with desired average particle sizes, typically ranging from 1 ⁇ m to about 500 ⁇ m.
- the compound of formula (1) forms a further stable crystalline form III, which is thermodynamically stable at higher temperatures, preferably at a temperature between 70 0 C and 155 0 C, more preferably at a temperature between 75 0 C and 151 0 C. and is also stable under normal conditions in air and in the absence of humidity.
- Another object of the invention is a crystalline form of 3- [2-dimethylamino) methyl (cyclohex-1-yl) phenol hydrochloride of the formula (1), which has a characteristic X-ray diffraction pattern in the range of 2 ° to 35 ° with distinct characteristic lines expressed in 2Theta values: 6.9 (s), 13.9 (m), 16.3 (m), 17.7 (w), 20.9 (vs), 22.1 (w), 22.5 (w), 27.8 (w ); hereinafter referred to as Form III.
- Another object of the invention is a crystalline form III of 3- [2- (dimethylamino) methyl (cyclohex-1-yl)] - phenol-HCl of the formula I, which Characteristic X-ray diffraction pattern with the following pronounced reflections.
- Another object of the invention is a crystalline form III of 3- [2-dimethylamino) methyl (cyclohex-1-yl) phenol hydrochloride of the formula (1), which has a characteristic Raman spectrum with characteristic bands, which by the following wavenumbers (cm "1 ) is described:
- Another object of the invention is a crystalline form III of 3- [2-dimethylamino) methyl (cyclohex-1-yl) phenol hydrochloride of the formula (1), which has a characteristic X-ray diffraction pattern as shown in Figure 5.
- Another object of the invention is a crystalline form III of 3- [2-dimethylamino) methyl (cyclohex-1-yl) phenol hydrochloride of the formula (1), which is characterized by a Raman spectrum as shown in Figure 6.
- the crystalline form III irreversibly forms hydrates of the crystalline form V in air humidity at a relative humidity of> 50%. At a relative humidity> 95% hydrates with a proportion of water of crystallization based on the total weight of the hydrate in the range of 8% to 10%.
- the compounds of the crystalline form III can advantageously be stored in a low-moisture environment, for example in a vessel over phosphorus pentoxide or molecular sieve. It is also advisable to store the crystalline form III under dry protective gas (for example nitrogen).
- the melting point is in the range between 155 0 C and 158 0 C and the enthalpy of fusion is about 87 J / g, determined by DSC at a heating rate of 10 ° C / minute.
- Polymorph III can be prepared as a solid powder with desired average particle sizes, typically ranging from 1 ⁇ m to about 500 ⁇ m.
- the compound of formula (1) forms a further stable crystalline form IV, which at higher temperatures, preferably at a temperature between 70 ° C and 155 0 C, more preferably at a temperature between 75 0 C and 130 C C, even more preferred at a temperature between 75 0 C and 122 0 C, thermodynamically stable and is also stable under normal conditions in air and to the exclusion of atmospheric moisture.
- Another object of the invention is a crystalline form of 3- [2-dimethylamino) methyl (cyclohex-1-yl) phenol hydrochloride of the formula (1), which has a characteristic X-ray diffraction pattern in the range of 2 ° to 35 ° with off having characteristic lines expressed in 2Theta values: 12.0 (m), 13.0 (m), 17.3 (m), 17.7 (m), 19.2 (s), 19.7 (m), 20.2 (m), 21.3 (m) , 23.4 (m), 24.2 (m), 24.6 (m), 43.1 (vs), 44.2 (vs); hereinafter referred to as Form IV.
- Another object of the invention is a crystalline form IV of 3- [2- (dimethylamino) methyl (cyclohex-1-yl)] - phenol-HCl of the formula I, which has a characteristic X-ray diffraction pattern with the following pronounced reflections.
- Another object of the invention is a crystalline form IV of 3- [2- dimethylamino) methyl (cyclohex-1-yl) phenol hydrochloride of the formula (1), which has a characteristic Raman spectrum with characteristic bands, which by the following wavenumbers (cm "1 ) is described:
- Another object of the invention is a crystalline form IV of 3- [2- dimethylamino) methyl (cyclohex-1-yl) phenol hydrochloride of the formula (1), which has a characteristic X-ray diffraction pattern as shown in Figure 7.
- Another object of the invention is a crystalline form IV of 3- [2-dimethylamino) methyl (cyclohex-1-yl) phenol hydrochloride of the formula (1), which is characterized by a Raman spectrum as shown in Figure 8, is ,
- the crystalline form IV irreversibly forms hydrates of the crystalline form V in the presence of atmospheric moisture at a relative atmospheric humidity> 50%. At a relative humidity> 95% hydrates with a proportion of water of crystallization based on the total weight of the hydrate in the range of 8% to 10%.
- the compounds of the crystalline form IV can advantageously be stored in a low-moisture environment, for example in a vessel over phosphorus pentoxide or molecular sieve. It is also advisable to store the crystalline form IV under dry protective gas (for example nitrogen).
- the melting point is in the range between 166 0 C and 172 0 C and the enthalpy of fusion is about 78 J / g, determined by DSC at a heating rate of 10 ° C / minute.
- Polymorph IV can be prepared as a solid powder having desired average particle sizes which are typically in the range of 1 ⁇ m to about 500 ⁇ m.
- the compound of the formula (1) also forms stable hydrates of the crystalline form V, which are stable in air under normal conditions.
- the hydrates of the crystalline form V have a proportion of water of crystallization in the range of 1% to 10%, more preferably in the range of 5% to 9%, most preferably in the range of 6% to 8.5%, even more preferably in the range of 7% to 8%, based on the weight of the hydrate.
- Another object of the invention is a crystalline form of 3- [2-dimethylamino) methyl (cyclohex-1-yl) phenol hydrochloride of the formula (1), which has a characteristic X-ray diffraction pattern in the range of 2 ° to 35 ° with distinct characteristic lines expressed in 2Theta values: 11.4 (m), 12.1 (m), 16.7 (w), 19.2 (m), 19.4 (w), 20.1 (m), 21.1 (m), 22.4 (vs ), 24.0 (m), 31.3 (W); hereinafter referred to as Form V.
- Another object of the invention is a crystalline form V of 3- [2- (dimethylamino) methyl (cyclohex-1-yl)] - phenol-HCl of the formula I, which has a characteristic X-ray diffraction pattern with the following pronounced reflections.
- Another object of the invention is a crystalline form V of 3- [2-dimethylamino) methyl (cyclohex-1-yl) phenol hydrochloride of the formula (1), which has a characteristic Raman spectrum with characteristic bands, which by the following wavenumbers (cm "1 ) is described:
- Another object of the invention is a crystalline form V of 3- [2- dimethylamino) methyl (cyclohex-1-yl) phenol hydrochloride of the formula (1), which has a characteristic X-ray diffraction pattern as shown in Figure 9.
- Another object of the invention is a crystalline form V of 3- [2-dimethylamino) methyl (cyclohex-1-yl) phenol hydrochloride of the formula (1) which is characterized by a Raman spectrum as shown in FIG ,
- the crystalline form V is stable in air at room temperature and is therefore particularly suitable as an active ingredient in pharmaceutical formulations.
- the crystalline form V is difficult to dehydrate.
- vacuum and / or hygroscopic reagents such as phosphorus pentoxide leads only to incomplete release of water from the crystalline form V.
- water which may be present for example in the form of water vapor or humidity, takes the partially dehydrated compound of crystalline form this up quickly.
- the compounds of the crystalline form V do not change under increased pressure, for example at a pressure of 8000 bar for a period of 60 minutes or during grinding, and no observable conversion to crystalline forms I 1 II, III or IV by the action of higher pressure.
- the melting point of the compounds of the crystalline form V is in the range of 105 0 C to 115 0 C and the enthalpy of fusion is about 77 J / g, determined by DSC at a heating rate of 10 ° C / minute.
- the compound of formula (1) forms stable solvates in solvating solvents such as, for example, ethanol, methanol, methyl ethyl ketone, isopropanol, n-propanol, n-octanol and acetone.
- solvating solvents such as, for example, ethanol, methanol, methyl ethyl ketone, isopropanol, n-propanol, n-octanol and acetone.
- the solvates are isomorphic to each other and also to the hydrate with the crystalline form V.
- the solvent can not be completely or completely removed by vacuum.
- the replacement of ethanol in a corresponding solvate of compounds of formula (1) succeeds by storage at elevated humidity, for example by storage in the presence of a supersaturated aqueous solution of magnesium nitrate or a supersaturated aqueous solution of sodium chloride for a period of at least two months, preferably for a period of at least four months.
- the polymorphic forms I, II, III, IV and V can each be converted into other crystalline forms.
- Another object of the invention are therefore mixtures of the crystalline forms I, II, III, IV and V in any desired mixing ratios.
- the form I has a peak of high intensity in the range of 19 °
- the form III has peaks of high intensity in the range of 7 °, 14 ° and 21 °
- the shape V has peaks of high intensity in the range from 12 ° and 22 ° 20 up.
- the polymorphic forms I 1 II, III and IV can be prepared by crystallization processes known per se from the salt of 3- [2- (dimethylamino) methyl (cyclohex-1-yl)] - phenol hydrochloride, for example by stirring suspensions ( Adjustment of phase equilibria), precipitation, recrystallization, evaporation of solvents or crystallization from the melt.
- Dilute, saturated or supersaturated solutions can be used, with or without seeding with a nucleating agent.
- the temperatures for the formation of solutions can be up to 100 0 C.
- the crystallization can be initiated by cooling to about -100 ° C to 30 ° C, and preferably -30 ° C to 20 ° C, wherein cooling can be continuous or stepwise.
- amorphous or crystalline starting materials can be used to achieve high concentrations in solutions and to obtain other crystalline forms.
- Another object of the invention is therefore a process for preparing the crystalline form I of 3- [2- (dimethylamino) methyl (cyclohex-1-yl)] - phenol
- Hydrochloride characterized in that a) 3- [2-dimethylamino) methyl- (cyclohex-1-yl) -phenol hydrochloride in the crystalline form III and 3- [2-dimethylamino) methyl- (cyclohex-1-yl ) -phenol hydrochloride in the crystalline form IV or 3- [2-dimethylamino) methyl- (Cyclohex-i-yl) -phenol hydrochloride in the crystalline form V in a solvent, preferably in a quantitative ratio of between 1: 100 and 100: 1, more preferably in a quantitative ratio between 1:10 and 10: 1, most preferably in in a quantitative ratio between 1: 5 and 5: 1, until complete formation of the crystalline form I are stirred, or b) 3- [2-dimethylamino) methyl (cyclohex-1-yl) phenol hydrochloride in the crystalline form II and 3- [2-dimethylamino) methyl (cyclohex-1-yl) phenol hydro
- the processes a) and b) can be carried out in the presence of air or in the presence of inert gases such as nitrogen and noble gases. Air as ambient medium is preferred for economic reasons.
- the relative humidity of the gases is preferably ⁇ 50%, particularly preferably ⁇ 20%, very particularly preferably ⁇ 5%.
- the duration of processes a) and b) depends essentially on the size of the crystals and the concentration of 3- [2-dimethylamino) methyl (cyclohex-1-yl) phenol hydrochloride and can preferably 1 to 250 hours, especially preferably 3 to 72 hours, very particularly preferably 5 to 25 hours.
- the concentration of 3- [2-dimethylamino) methyl (cyclohex-1-yl) phenol hydrochloride is preferably 0.5% to 50%, more preferably 2% to 30%, most preferably 5% to 20%, even more preferably 5% to 8%, each based on the weight of the solvent
- the crystalline residue may be dried in a conventional manner, wherein it is advantageous to avoid temperatures above 40 0 C.
- solvents selected from the group comprising aliphatic, cycloaliphatic and aromatic hydrocarbons (Hexane, heptane, petroleum ether, cyclohexane, methylcyclohexane, benzene, toluene, xylene), aliphatic halogenated hydrocarbons (methylene chloride, chloroform, di- and tetrachloroethane), nitriles (acetonitrile, propionitrile, benzonitrile), ethers (diethyl ether, dibutyl ether, tert-butyl methyl ether, Ethylene glycol dimethyl ether, ethylene glycol diethyl ether, diethylene glycol dimethyl ether, tetrahydrofuran, methyl tetrahydrofuran, dioxane), long-chain alcohols (butanol,
- the solvents may be used alone or in admixture of at least two solvents. It is advantageous to use physiologically acceptable solvents which are familiar to the person skilled in the art. After isolation, the solvent or solvent mixture used can be removed in the usual way by means of known drying methods.
- Another object of the invention is a crystalline form I of 3- [2-dimethylamino) methyl (cyclohex-1-yl) phenol hydrochloride of the formula (1) obtainable by one of the methods described above.
- Another object of the invention is also a process for the preparation of the crystalline form II of 3- [2- (dimethylamino) methyl (cyclohex-1-yl)] - phenol hydrochloride, which is characterized in that a) 3- [2 Dimethylamino) methyl (cyclohex-1-yl) phenol hydrochloride in the crystalline form IV or a mixture of 3- [2-dimethylamino) methyl (cyclohex-1-yl) phenol hydrochloride in the crystalline form III and 3 - [2- dimethylamino) methyl (cyclohex-1-yl) phenol hydrochloride in the crystalline form V at a temperature between 150 0 C and 160 0 C, preferably at a temperature between 154 ° C and 158 0 C, to or b) 3- [2-dimethylamino) methyl- (cyclohex-1-yl) -phenol hydrochloride in the crystalline form II and 3- [2-dimethylamin
- the processes b), c) and d) can be carried out in the presence of air or in the presence of inert gases such as nitrogen and noble gases. Air as ambient medium is preferred for economic reasons.
- the relative humidity of the gases is preferably ⁇ 50%, particularly preferably ⁇ 20%, very particularly preferably ⁇ 5%.
- the duration of processes b) and d) depends essentially on the size of the crystals and the concentration of 3- [2-dimethylamino) methyl (cyclohex-1-yl) phenol hydrochloride and can preferably 1 to 250 hours, especially preferably 3 to 72 hours, very particularly preferably 5 to 25 hours.
- the duration of process c) is preferably at least 300 hours, more preferably at least 350 hours, most preferably at least 400 hours.
- the concentration of 3- [2-dimethylamino) methyl (cyclohex-1-yl) phenol hydrochloride in processes b), c) and d) is preferably 0.5% to 50%, particularly preferably 2% to 30%, completely particularly preferably 5% to 20%, more preferably 5% to 8%, in each case based on the weight of the solvent.
- the processes b), c) and d) are preferably carried out in non-solvating solvents.
- solvents selected from the group comprising aliphatic, cycloaliphatic and aromatic hydrocarbons (hexane, heptane, petroleum ether, cyclohexane, methylcyclohexane, benzene, toluene, xylene), aliphatic halogenated hydrocarbons (methylene chloride, chloroform, di- and tetrachloroethane), nitriles (acetonitrile, Propionitrile, benzonitrile), ethers (diethyl ether, dibutyl ether, tert-butyl methyl ether, ethylene glycol dimethyl ether, ethylene glycol diethyl ether, diethylene glycol dimethyl ether, tetrahydrofuran, methyl tetrahydrofuran, dioxane), long-chain alcohols (butanol, tert-butanol, pentanol, octanol,
- the solvent is ethyl acetate.
- the solvents may be used alone or in admixture of at least two solvents. It is advantageous to use physiologically acceptable solvents which are familiar to the person skilled in the art. After isolation, the solvent or solvent mixture used can be removed in the usual way by means of known drying methods.
- Another object of the invention is a crystalline form II of 3- [2-dimethylamino) methyl (cyclohex-1-yl) phenol hydrochloride of the formula (1) obtainable by one of the methods described above.
- Another object of the invention is also a process for the preparation of the crystalline form III of 3- [2- (dimethylamino) methyl (cyclohex-1-yl)] - phenol hydrochloride, which is characterized in that a) 3- [2 -Dimethylamino) methyl- (cyclohex-1-yl) -phenol hydrochloride in the form of an ethanol or acetone solvate dissolved in a solvent and stirred and then precipitated, or b) a suspension of the amorphous form of 3- [2-dimethylamino ) methyl (cyclohex-1-yl) -phenol hydrochloride in a solvent; preferably in a solvent which does not form solvates; as a carrier at a temperature between 30 0 C and 80 0 C, preferably at a temperature between 35 0 C and 50 0 C, particularly preferably at a temperature of 40 0 C, until complete formation of the crystalline form III is stirred.
- the crystalline forms I, II, IV, the amorphous form of 3- [2- (dimethylamino) methyl (cyclohex-1-yl)] - phenol hydrochloride or corresponding mixtures can be used for the preparation of solutions.
- concentration of 3- [2- (dimethylamino) methyl- (cyclohex-1-yl)] - phenol hydrochloride in the solution depends on the chosen temperature and on the solvent.
- the amount dissolved may preferably be from 0.5% to 50%, more preferably from 2% to 30%, most preferably from 3% to 25% and even more preferably from 5% to 20%, based on the solvent.
- the temperature for dissolution may be up to 70 0 C and preferably up to 60 0 C.
- ethyl acetate is used as a solvent to prepare solutions.
- the precipitation may be by means of cooling, partial or complete removal of the solvent; Addition of a solvent in which 3- [2- (dimethylamino) methyl- (cyclohex-1-yl)] - phenol hydrochloride has only a low solubility such as heptane, tert-butyl methyl ether or ethyl acetate and corresponding mixtures; or a combination of these measures. Cooling can slow cooling or quenching to temperatures up to -20 0 C and preferably to 0 0 C mean.
- the solvent can be removed by heating, in the gas stream, applying a vacuum or a combination of these measures. In process step a) heating to remove solvent means a temperature of at most 40 0 C and preferably at most 3O 0 C.
- the process b) can be carried out in the presence of air or in the presence of inert gases such as nitrogen and noble gases. Air as ambient medium is preferred for economic reasons.
- the relative humidity of the gases is preferably ⁇ 50%, more preferably ⁇ 40%, most preferably ⁇ 20%.
- the duration of process b) depends essentially on the size of the crystals and the concentration of 3- [2-dimethylamino) methyl (cyclohex-1-yl) phenol hydrochloride and can preferably 1 to 350 hours, more preferably 10 to 300 hours, most preferably 20 to 300 hours.
- the concentration of 3- [2-dimethylamino) methyl (cyclohex-1-yl) phenol hydrochloride in process b) is preferably 0.5% to 50%, particularly preferably 2% to 30%, very particularly preferably 5% to 20%. , even more preferably 5% to 15%, each based on the weight of the solvent.
- the crystalline residue can be dried in a customary manner, advantageously avoiding temperatures above 40 ° C.
- Process b) is preferably carried out in non-solvating solvents.
- solvents selected from the group comprising aliphatic, cycloaliphatic and aromatic hydrocarbons (hexane, heptane, petroleum ether, cyclohexane, methylcyclohexane, benzene, toluene, xylene), aliphatic halogenated hydrocarbons (methylene chloride, chloroform, di- and tetrachloroethane), nitriles (acetonitrile, Propionitrile, benzonitrile), ethers (diethyl ether, dibutyl ether, tert-butyl methyl ether, ethylene glycol dimethyl ether, ethylene glycol diethyl ether, diethylene glycol dimethyl ether, tetrahydrofuran, methyl-tetrahydrofuran, dioxane), long-chain alcohols (butanol, tert-butan
- Another object of the invention is a crystalline form IM of 3- [2-dimethylamino) methyl (cyclohex-1-yl) phenol hydrochloride of the formula (1) obtainable by one of the methods described above.
- Another object of the invention is also a process for preparing the crystalline form IV of 3- [2- (dimethylamino) methyl (cyclohex-1-yl)] - phenol
- Hydrochloride which is characterized in that a) 3- [2-dimethylamino) methyl (cyclohex-1-yl) phenol hydrochloride in the crystalline form III at a temperature between 150 0 C and 160 0 C, preferably at a temperature between 154 0 C and 158 0 C, until the complete formation of the crystalline form IV is annealed, or b) a suspension of the amorphous form of 3- [2-dimethylamino) methyl (cyclohex-1-yl) phenol hydrochloride in a solvent; preferably in a solvent which does not form solvates; as support at a temperature between 40 0 C and 120 ° C, preferably at a temperature between 40 0 C and 100 0 C, more preferably at a temperature between 40 0 C and 80 0 C, stirred until complete formation of the crystalline form IV becomes; or c) 3- [2-dimethylamino) methyl- (cyclohex-1-yl) -phenol
- the processes b) and c) can be carried out in the presence of air or in the presence of inert gases such as nitrogen and noble gases. Air as ambient medium is preferred for economic reasons.
- the relative humidity of the gases is preferably ⁇ 50%, more preferably ⁇ 40%, most preferably ⁇ 20%.
- the duration of processes b) and c) depends essentially on the size of the crystals and the concentration of 3- [2-dimethylamino) methyl (cyclohex-1-yl) phenol hydrochloride and can preferably 1 to 250 hours, especially preferably 10 to 200 hours, very particularly preferably 30 to 150 hours.
- the concentration of 3- [2-dimethylamino) methyl (cyclohex-1-yl) phenol hydrochloride is preferably 0.5% to 50%, more preferably 0.5% to 20%, most preferably 0.5% to 10%, even more preferably 1% to 8%, each based on the weight of the solvent.
- the crystalline residue can be dried in a customary manner, advantageously avoiding temperatures above 40 ° C.
- Processes b) and c) are preferably carried out in non-solvating solvents.
- solvents selected from the group comprising aliphatic, cycloaliphatic and aromatic hydrocarbons (hexane, heptane, petroleum ether, cyclohexane, methylcyclohexane, benzene, toluene, xylene), aliphatic halogenated hydrocarbons (methylene chloride, chloroform, di- and tetrachloroethane), nitriles (acetonitrile, Propionitrile, benzonitrile), ethers (diethyl ether, dibutyl ether, tert-butyl methyl ether, ethylene glycol dimethyl ether, ethylene glycol diethyl ether, diethylene glycol dimethyl ether, tetrahydrofuran, methyl-tetrahydrofuran, dioxane), long-chain alcohols (butanol,
- the solvent is tert-butyl methyl ether.
- the solvents may be used alone or in admixture of at least two solvents. It is advantageous to use physiologically acceptable solvents which are familiar to the person skilled in the art. After isolation, the solvent or solvent mixture used can be removed in the usual way by means of known drying methods.
- Another object of the invention is a crystalline form IV of 3- [2-dimethylamino) methyl (cyclohex-1-yl) phenol hydrochloride of the formula (1) obtainable by one of the methods described above.
- Another object of the invention is also a process for preparing the crystalline form V of 3- [2- (dimethylamino) methyl (cyclohex-1-yl)] - phenol hydrochloride, which is characterized in that a) 3- [2 Dimethylamino) methyl (cyclohex-1-yl) -phenol hydrochloride in the crystalline form I, II, III or IV are allowed to stand in air or treated with water vapor, or b) a suspension of the amorphous form of 3- [2- Dimethylamino) methyl (cyclohex-i-yl) -phenol hydrochloride in a mixture of water and optionally at least one solvent as a carrier at a temperature between 20 0 C and 60 0 C, preferably at a temperature between 20 0 C and 30 0 C, is stirred and then the remaining water or solvent is removed.
- Another object of the invention is a crystalline form V of 3- [2-dimethylamino) methyl (cyclohex-1-
- an object of the invention is the use of 3- [2- (dimethylamino) methyl (cyclohex-1-yl)] - phenol hydrochloride of the formula (1) as an active ingredient in medicaments, preferably as an active ingredient in analgesics.
- Another object of the invention is a pharmaceutical composition
- a pharmaceutical composition comprising an effective amount of 3- [2- (dimethylamino) methyl (cyclohex-1-yl)] phenol hydrochloride of the formula (1) and a pharmaceutical carrier or a pharmaceutical diluent.
- the compound of the formula (1) may be in the crystalline form I, II, III, IV, V or a mixture of the forms I, II, III, IV and V.
- the crystalline form II and / or I and / or V is preferably contained. Particular preference is given to the crystalline form II and / or V.
- the amount of compounds of formula (1) will depend essentially on the type of formulation and the desired dosage during the period of administration.
- the amount of the respective compounds of the formula (1) to be administered to the patient may vary and depends, for example, on the weight or age of the patient as well as on the mode of administration, the indication and the severity of the disease.
- Oral formulations may be solid formulations, for example, tablets, capsules, pills and lozenges. Oral formulations may also be liquid formulations, for example solutions, suspensions, syrups or elixirs. Liquid and solid formulations also include the incorporation of the compounds of formula I into solid or liquid foods. Furthermore, liquids still include solutions for parenteral applications such as infusion or injection.
- the compounds of formula I and the crystalline forms can be used directly as powders (micronised particles), granules, suspensions or solutions, or they can be mixed with other pharmaceutically acceptable ingredients and components and then pulverized to form the powders in hard capsules - Or soft gelatin to compress tablets, pills or lozenges, or to suspend or dissolve the powders in a carrier for the preparation of suspensions, syrups or elixirs. Tablets, pills or lozenges can be coated after pressing.
- ingredients and components for the various types of formulations are known per se. They may be, for example, binders such as synthetic or natural polymers, excipients, lubricants, surfactants, sweeteners and flavoring agents, coating agents, preservatives, dyes, thickeners, adjuvants, antimicrobials and carriers for the various types of formulations.
- binders are gum arabic, gum tragacanth, acacia and biodegradable polymers such as homo- or copolyesters of dicarboxylic acids, alkylenediols, polyalkylene glycols and / or aliphatic hydroxycarboxylic acids; Homo- or copolyamides of dicarboxylic acids, alkylenediamines and / or aliphatic aminocarboxylic acids; corresponding polyester-polyamide copolymers, polyanhydrides, polyorthoesters, polyphosphazenes and polycarbonates.
- the biodegradable polymers can be linear, branched or crosslinked.
- polyglycolic acid polylactic acid and poly-d, l-lactic / glycolic acid.
- polymers are water-soluble polymers such as polyoxaalkylenes (polyoxethylene, polyoxapropylene and copolymers thereof), polyacrylamides and hydroxyalkylated polyacrylamides, polymaleic acid and esters or amides thereof, polyacrylic acid and esters or amides thereof, polyvinyl alcohol and esters or ethers thereof, polyvinylimidazole, polyvinylpyrrolidone and natural polymers such as chitosan.
- polyoxaalkylenes polyoxethylene, polyoxapropylene and copolymers thereof
- polyacrylamides and hydroxyalkylated polyacrylamides polymaleic acid and esters or amides thereof
- polyacrylic acid and esters or amides thereof polyvinyl alcohol and esters or ethers thereof
- polyvinylimidazole polyvinylpyrrolidone
- excipients examples include phosphates such as dicalcium phosphate.
- lubricants are natural or synthetic oils, fats, waxes or fatty acid salts such as magnesium stearate.
- Surfactants can be anionic, cationic, amphoteric or neutral.
- Examples of surfactants are lecithin, phospholipids, octyl sulfate, decyl sulfate, dodecyl sulfate, tetradecyl sulfate, hexadecyl sulfate and octadecyl sulfate, sodium oleate or sodium caprate, 1-acylaminoethane-2-sulfonic acids such as 1-octanoylaminoethane-2-sulfonic acid, 1-decanoylaminoethane-2-sulfonic acid, Dodecanoylaminoethane-2-sulfonic acid, 1-tetradecanoylaminoethane-2-sulfonic acid, 1-hexadecanoylaminoethane-2-sulfonic acid and 1-octadecanoylamin
- sweeteners are sucrose, fructose, lactose or aspartame.
- flavorings are peppermint, oil of wintergreen or fruit flavor such as cherry or orange flavor.
- coating agents are gelatin, waxes, shellac, sugar or biodegradable polymers.
- preservatives are methyl or propylparaben, sorbic acid, chlorobutanol and phenol.
- Examples of adjuvants are fragrances.
- thickening agents are synthetic polymers, fatty acids, fatty acid salts, fatty acid esters and fatty alcohols.
- liquid carriers examples include water, alcohols (ethanol, glycerol, propylene glycol, liquid polyethylene glycols, polytriazines and oils.
- solid carriers examples include talc, clays, microcrystalline cellulose, silica, alumina and similar solids.
- composition of the invention may also contain isotonic agents such as sugars, physiological buffers and sodium chloride.
- composition according to the invention can also be formulated as an effervescent tablet or effervescent powder which decomposes in an aqueous environment with the preparation of drinking solutions or suspensions.
- a syrup or elixir may contain the compound of formula I 1 a sugar such as sucrose or fructose as sweetener, a preservative (such as methylparaben), a dye and a flavoring (such as flavoring agents).
- the composition of the invention may also be sustained release and controlled release formulations in contact with body fluids of the gastrointestinal tract to achieve a substantially constant and effective level of the drug in the blood plasma.
- the compounds of formula I may for this purpose be embedded in a polymer matrix of a biodegradable polymer, a water-soluble polymer or both polymers, optionally together with a suitable surfactant. Embedding may in this context mean the incorporation of microparticles into the polymer matrix. Delayed and controlled release formulations may also be obtained by encapsulating dispersed microparticles or emulsified microdrops via known coating technologies of dispersions and emulsions.
- the compounds of formula I can also be used together with at least one other pharmaceutical agent for combination therapies.
- at least one further active ingredient can additionally be dispersed or dissolved in the composition according to the invention.
- the invention also provides the use of 3- [2- (dimethylamino) methyl (cyclohex-1-yl)] - phenol hydrochloride of the formula I for the preparation of a pharmaceutical composition, in particular for the treatment of pain.
- Another object of the invention is a method for the treatment of pain, in which a person suffering from pain, an effective amount of 3- [2- (dimethylamino) methyl (cyclohex-1-yl)] - phenol hydrochloride of the formula I. administered.
- the medicament according to the invention is preferably suitable for the prophylaxis and / or treatment of pain, preferably selected from the group consisting of acute pain, chronic pain, neuropathic pain and visceral pain; of migraine; Depressions; neurodegenerative diseases, preferably selected from the group consisting of Parkinson's disease, Alzheimer's disease, Huntington's disease and multiple sclerosis; cognitive disorders, preferably cognitive deficits, most preferably attention deficit syndrome (ADD), panic attacks; Epilepsy; To cough; urinary incontinence; diarrhea; pruritus; Schizophrenia; cerebral ischemia; muscle spasms; convulsions; Food ingestion, preferably selected from the group consisting of bulimia, cachexia, anorexia and obesity; Alcohol and / or drugs (especially nicotine and / or cocaine) and / or drug abuse; Alcohol and / or drugs (in particular nicotine and / or cocaine) and / or drug dependence, preferably for the prophylaxis and / or reduction of withdrawal symptoms
- pain preferably selected from the
- the pharmaceutical composition according to the invention is particularly preferably suitable for the prophylaxis and / or treatment of pain, preferably of acute pain, chronic pain, neuropathic pain or visceral pain; Depressions; Epilepsy; Parkinson's disease; Alcohol and / or drugs (especially nicotine and / or cocaine) and / or drug abuse; Alcohol and / or drugs (especially nicotine and / or cocaine) and / or drug dependence; preferably for the prophylaxis and / or reduction of withdrawal symptoms in alcohol and / or drugs (in particular nicotine and / or cocaine) and / or drug dependence; the development of tolerance to drugs, especially against opioids, or to anxiolysis.
- pain preferably of acute pain, chronic pain, neuropathic pain or visceral pain; Depressions; Epilepsy; Parkinson's disease; Alcohol and / or drugs (especially nicotine and / or cocaine) and / or drug abuse; Alcohol and / or drugs (especially nicotine and / or cocaine) and / or drug dependence; preferably for the prophylaxis and
- the medicament according to the invention is suitable for the prophylaxis and / or treatment of pain, preferably of acute pain, chronic pain, neuropathic pain or visceral pain.
- pain preferably of acute pain, chronic pain, neuropathic pain or visceral pain.
- at least one salt according to the invention in each case optionally in the form of one of its pure stereoisomers, in particular enantiomers or diastereomers, its racemates or in the form of a mixture of stereoisomers, in particular the enantiomers and / or diastereomers, in any mixing ratio, and optionally one or more pharmaceutically acceptable excipients for the manufacture of a medicament for the prophylaxis and / or treatment of pain, preferably selected from the group consisting of acute pain, chronic pain, neuropathic pain and visceral pain, migraine, depression, neurodegenerative diseases, preferably selected from the group consisting of Parkinson's disease, Alzheimer's disease, Huntington's disease and multiple sclerosis, cognitive disorders, preferably cognitive
- the medicament according to the invention can be used as a liquid, semisolid or solid dosage form, for example in the form of injection solutions, drops, juices, syrups, sprays, suspensions, tablets, patches, capsules, patches, suppositories, ointments, creams, lotions, gels, emulsions, aerosols or in multiparticulate form, for example in the form of pellets or granules, optionally compressed into tablets, in Capsules are filled or suspended in a liquid, be present and as such.
- the pharmaceutical composition according to the invention usually further physiologically acceptable pharmaceutical excipients, which can be preferably selected from the group consisting of support materials, fillers, solvents, diluents, surfactants, dyes, preservatives, disintegrants, lubricants, lubricants, flavors and binders.
- physiologically acceptable excipients and the amounts to be employed depend on whether the drug (the pharmaceutical composition) is administered orally, subcutaneously, parenterally, intravenously, intraperitoneally, intradermally, intramuscularly, intranasally, buccally, rectally or locally, for example for infections the skin, the mucous membranes and the eyes.
- Preparations in the form of tablets, dragees, capsules, granules, pellets, drops, juices and syrups are preferred for oral administration, solutions, suspensions, readily reconstitutable dry preparations and sprays for parenteral, topical and inhalative administration.
- Suitable percutaneous administration preparations are also depot preparations in dissolved form or in a plaster, optionally with the addition of skin penetration promoting agents.
- Orally or percutaneously applicable preparation forms can release the particular salts according to the invention with a delay.
- the amount of the respective salts according to the invention to be administered to the patient can vary and depends, for example, on the weight or age of the patient as well as on the mode of administration, the indication and the severity of the disease. Usually, 0.005 to 5000 mg / kg, preferably 0.05 to 500 mg / kg body weight of the patient of at least one such compound is applied.
- the base of 3- [2-dimethylamino) methyl (cyclohex-1-yl) phenol was liberated from the distillation residue with ethyl acetate and aqueous potassium carbonate solution, the organic phase was dried with MgSO 4 and the base 3- [2-dimethylamino] methyl (cyclohex-1-yl) -phenol isolated as a yellowish oil (crude yield: 42 g, equivalent to 98.6% of theory).
- the base 3- [2-dimethylamino) methyl (cyclohex-1-yl) -phenol was admixed with 250 ml of ethyl acetate and stored overnight in the refrigerator. Since no solid precipitated, the solution was again concentrated, with vigorous foaming being observed.
- Organic and aqueous phase were separated, the aqueous phase extracted three times with 350 ml of ethyl acetate.
- the solvent was removed in a rotary evaporator (bath temperature 44 ° C., vacuum ⁇ 20 mbar).
- the yield of crude product 3- [2-dimethylamino) methyl (cyclohex-i-yl) phenol was 101 g.
- the crude product 3- [2-dimethylamino) methyl (cyclohex-i-yl) -phenol was admixed with 100 ml of acetone and stirred until the light brown substance solidified. The material was then filtered off with suction and washed with a little diethyl ether. The yield was 48% based on the amount of crude product.
- the yield was 53 g. (according to GC analysis 100% of the trans diastereomer).
- the proportion of residual solvent (acetone, diethyl ether) was in each case less than 200 ppm.
- PtIOO temperature measuring device and oil-based cooling / heating system are 37 kg (137.12 mol) of (1 R, 2R) -3- (2-dimethylaminomethyl-cyclohexyl) -phenol hydrochloride at a stirring speed of 100 U / min dissolved in 55 L of water.
- the solution is heated to 40 ° C - 60 0 C until a clear solution is formed.
- At reduced pressure (about 30 - 50 mbar) 38L - 41 L of water are removed.
- the solution is stirred at 7 ° C for about 16h.
- the suspension obtained is separated off via a centrifuge.
- 100 mg of the hydrochloride in the crystalline form II are added to 600 mg of the hydrochloride of the crystalline form III, mixed intimately and suspended in 10 ml of ethyl acetate. The suspension is stirred for six days at room temperature. The white solid is separated by vacuum filtration and dried for 1.5 h in a dry heat at a temperature of 45 ° C. and a vacuum of ⁇ 150 mbar.
- the solid so obtained has, according to DSC analysis (heating rate 10 K / min) an endotherm at 177.2 0 C., which is assigned to the crystalline form Il.
- the resulting solid has only bands of the crystalline form II.
- 76.9 mg of the amorphous hydrochloride prepared according to Example 2 are suspended in 1 mL of ethyl acetate and for three days at a stirrer speed of about 400 rpm (revolutions per minute) and a temperature of 25 0 C, for one day at 40 0 C, for stirred for one day at 60 0 C, for one day at 50 ° C, for one day at 45 0 C, for a day at 70 0 C and for 9 days at 75 0 C, the number of revolutions from the third day each 600 rpm is.
- the white solid is separated by vacuum filtration (about 5 minutes) and dried in air. According to X-ray powder diffractogram only signals of the crystalline form III are measured.
- amorphous hydrochloride prepared according to Example 2 147.8 mg are suspended in 1.5 ml of ethyl acetate and stirred for a day at a rotational speed of the stirrer of about 600 rpm (revolutions per minute) and a temperature of 40 0 C.
- the white solid is separated by vacuum filtration (about 5 minutes) and dried in air. According to the Raman spectrum, only bands of the crystalline form III are measured.
- hydrochloride of the crystalline form III are in a 100 ml_ round bottom flask without solvent for five hours at a temperature of 154 0 C (temperature of the oil bath 154 0 C to 162 0 C) stirred.
- the solid obtained has, according to DSC analysis (heating rate 10 K / min) an endotherm at 168.8 0 C., which is assigned to the crystalline form IV.
- Example 8 Stability at room temperature
- the water absorption is measured by means of dynamic water vapor absorption (Dynamic Vapor Sorption, DVS) with the device DVS-1 from Surface Measurement Systems Ltd. determined.
- DVS dynamic water vapor absorption
- the sample is placed in a platinum crucible at the tip of a microbalance. Then the sample is first equilibrated at 50% relative humidity and then subjected to a predefined measurement program. The temperature is 25 ° C. The weight change of the sample is determined.
- the crystalline form absorbs water very quickly at a relative humidity> 50%.
- the relative humidity is reduced to 0%, the water content of the sample is reduced to 3.2% by weight.
- the water content at 50% relative humidity at the end of the measurement cycle is 7.2% and the recorded Raman spectrum corresponds to the Raman spectrum of the crystalline form V.
- the crystalline form absorbs water very quickly at a relative humidity of> 75%.
- the relative humidity is reduced to 0%, the water content of the sample is reduced to 3.3% by weight.
- the water content at 50% relative humidity at the end of the measurement cycle is 7.9% and the recorded Raman spectrum corresponds to the Raman spectrum of the crystalline form V.
- the crystalline form absorbs water very quickly at a relative humidity of> 55%.
- the relative humidity is reduced to 0%, the water content of the sample is reduced to 3.1% by weight.
- the water content at 50% relative humidity at the end of the measurement cycle is 7.8% and the recorded Raman spectrum corresponds to the Raman spectrum of the crystalline form V.
- the crystalline form absorbs water very quickly at a relative humidity> 60%.
- the relative humidity is reduced to 0%, the water content of the sample is reduced to 3.1% by weight.
- the water content at 50% relative humidity at the end of the measurement cycle is 7.6% and the recorded Raman spectrum corresponds to the Raman spectrum of the crystalline form V.
- Example 10 Moisture storage of the crystalline forms II and IM
- the two crystalline forms II and III show a different water absorption behavior.
- the modification II absorbs water more slowly in both experiments than the modification III. While the modification III has absorbed 6.70% in the first series of experiments already after 5 hours or 1.92% in the second series of tests, no appreciable water absorption is found in the modification II (0.04% or 0.12%).
- Example 1 b according hydrochloride prepared are stirred in 0.25 mL of ethanol at 25 C C for a day in suspension. According to Raman and TG-FTIR analysis, an ethanol solvate is present.
- Mettler-Toledo DSC 821 perforated 40 ⁇ l aluminum standard crucible.variable
- Powder X-ray diffraction patterns (PXRD):
- PXRD is performed with a Philips 1710 Powder X-Radiation Diffractometer or a Phillips X'Pert PW 3040 using CuK ⁇ radiation. D distances are calculated from the 2 ⁇ values, based on the 1.54060 A wavelength. It is generally accepted that the 2 ⁇ values have an error rate of ⁇ 0.1-0.2 °. The experimental error in the d-spacing values is therefore dependent on the location of the line (the peak).
- FT-Raman spectra are recorded on a Bruker RFS 100 FT-Raman system operated with a Nd: YAG laser (wavelength 1064 nm) and a liquid nitrogen-cooled germanium detector. For each sample, 64 samples are accumulated at a resolution of 2 cm -1 . Generally, a laser power of 100 mW is used.
- Figure 1 shows the X-ray diffraction pattern of the polymorphic form I
- Figure 2 shows the Raman spectrum of the polymorphic form I
- Figure 3 shows the X-ray diffraction pattern of the polymorphic form II
- Figure 4 shows the Raman spectrum of the polymorphic form II
- Figure 5 shows the X-ray diffraction pattern
- FIG. 7 shows the X-ray diffraction pattern of the polymorphic form IV
- FIG. 8 shows the Raman spectrum of the polymorphic form IV
- FIG. 9 shows the X-ray diffraction pattern of the polymorphic form V
- FIG 10 shows the Raman spectrum of the polymorphic form V
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Abstract
Description
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP10014791A EP2336103A3 (de) | 2005-07-22 | 2006-07-20 | HCL-Polymorphe von 3-[2-(Dimethylamino)methyl-(cyclohex-1-yl)]phenol |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102005034973A DE102005034973A1 (de) | 2005-07-22 | 2005-07-22 | Salz von Dimethylaminomethyl-phenyl-cyclohexan und dessen kristalline Formen |
| DE102005034974A DE102005034974A1 (de) | 2005-07-22 | 2005-07-22 | Salz von Dimethylaminomethyl-phenyl-cyclohexan und dessen kristalline Formen |
| PCT/EP2006/007163 WO2007009794A1 (de) | 2005-07-22 | 2006-07-20 | Hcl-polymorphe von 3 - ( 2- (dimethylamino) methyl- ( cyclohex-i-yl) ) phenol |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP1907351A1 true EP1907351A1 (de) | 2008-04-09 |
Family
ID=37101337
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP06776327A Withdrawn EP1907351A1 (de) | 2005-07-22 | 2006-07-20 | Hcl-polymorphe von 3 - ( 2- (dimethylamino) methyl- ( cyclohex-i-yl) ) phenol |
| EP10014791A Withdrawn EP2336103A3 (de) | 2005-07-22 | 2006-07-20 | HCL-Polymorphe von 3-[2-(Dimethylamino)methyl-(cyclohex-1-yl)]phenol |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP10014791A Withdrawn EP2336103A3 (de) | 2005-07-22 | 2006-07-20 | HCL-Polymorphe von 3-[2-(Dimethylamino)methyl-(cyclohex-1-yl)]phenol |
Country Status (5)
| Country | Link |
|---|---|
| US (4) | US8058476B2 (de) |
| EP (2) | EP1907351A1 (de) |
| JP (2) | JP5323480B2 (de) |
| CA (1) | CA2615742A1 (de) |
| WO (1) | WO2007009794A1 (de) |
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| EP2085081A1 (de) * | 2008-02-04 | 2009-08-05 | Grünenthal GmbH | 3-(2-Dimethylaminomethyl-cyclohexyl)-phenol gegen polyneuropathischen Schmerz |
| EP3597628A1 (de) * | 2010-07-23 | 2020-01-22 | Grünenthal GmbH | Salze oder co-kristalle aus 3-(3-dimethylamino-1-ethyl-2-methylpropyl)phenol |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE19525137C2 (de) * | 1995-07-11 | 2003-02-27 | Gruenenthal Gmbh | 6-Dimethylaminomethyl-1-phenyl-cyclohexanverbin -dungen als Zwischenprodukte zur Herstellung pharmazeutischer Wirkstoffe |
| DE10146275A1 (de) * | 2001-09-18 | 2003-04-24 | Gruenenthal Gmbh | Kombination ausgewählter Opioide mit Muscarin-Antagonisten zur Therapie der Harninkontinenz |
| US6780891B2 (en) * | 2001-11-30 | 2004-08-24 | Sepracor Inc. | Tramadol analogs and uses thereof |
| DE10218862A1 (de) * | 2002-04-26 | 2003-11-06 | Gruenenthal Gmbh | Verfahren zur Chlorierung tertiärer Alkohole |
| DE10233048A1 (de) * | 2002-07-19 | 2004-01-29 | Grünenthal GmbH | Verwendung von 1-Phenyl-3dimethylamino-propanverbindungen zur Therapie von depressiven Symptomatiken |
-
2006
- 2006-07-20 JP JP2008521896A patent/JP5323480B2/ja not_active Expired - Fee Related
- 2006-07-20 WO PCT/EP2006/007163 patent/WO2007009794A1/de not_active Ceased
- 2006-07-20 CA CA002615742A patent/CA2615742A1/en not_active Abandoned
- 2006-07-20 EP EP06776327A patent/EP1907351A1/de not_active Withdrawn
- 2006-07-20 EP EP10014791A patent/EP2336103A3/de not_active Withdrawn
-
2008
- 2008-01-18 US US12/016,506 patent/US8058476B2/en not_active Expired - Fee Related
-
2009
- 2009-11-30 US US12/627,190 patent/US20100076085A1/en not_active Abandoned
-
2011
- 2011-06-21 US US13/165,331 patent/US20110251287A1/en not_active Abandoned
-
2012
- 2012-09-10 JP JP2012198012A patent/JP2013018776A/ja not_active Withdrawn
-
2013
- 2013-05-01 US US13/874,851 patent/US20130245125A1/en not_active Abandoned
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2007009794A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2336103A2 (de) | 2011-06-22 |
| JP2013018776A (ja) | 2013-01-31 |
| CA2615742A1 (en) | 2007-01-25 |
| US20100076085A1 (en) | 2010-03-25 |
| US20130245125A1 (en) | 2013-09-19 |
| WO2007009794A1 (de) | 2007-01-25 |
| US8058476B2 (en) | 2011-11-15 |
| JP2009502759A (ja) | 2009-01-29 |
| US20110251287A1 (en) | 2011-10-13 |
| JP5323480B2 (ja) | 2013-10-23 |
| US20080255242A1 (en) | 2008-10-16 |
| EP2336103A3 (de) | 2011-07-20 |
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