JP5536070B2 - ペメトレキセド二酸の新規結晶型及びその製造方法 - Google Patents
ペメトレキセド二酸の新規結晶型及びその製造方法 Download PDFInfo
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- JP5536070B2 JP5536070B2 JP2011527193A JP2011527193A JP5536070B2 JP 5536070 B2 JP5536070 B2 JP 5536070B2 JP 2011527193 A JP2011527193 A JP 2011527193A JP 2011527193 A JP2011527193 A JP 2011527193A JP 5536070 B2 JP5536070 B2 JP 5536070B2
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- pemetrexed
- pemetrexed diacid
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- diacid
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- QOFFJEBXNKRSPX-ZDUSSCGKSA-N pemetrexed Chemical compound C1=N[C]2NC(N)=NC(=O)C2=C1CCC1=CC=C(C(=O)N[C@@H](CCC(O)=O)C(O)=O)C=C1 QOFFJEBXNKRSPX-ZDUSSCGKSA-N 0.000 title claims description 146
- 229960005079 pemetrexed Drugs 0.000 title claims description 142
- 239000013078 crystal Substances 0.000 title claims description 137
- 238000000034 method Methods 0.000 title description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 89
- 238000004519 manufacturing process Methods 0.000 claims description 38
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 33
- NYDXNILOWQXUOF-UHFFFAOYSA-L disodium;2-[[4-[2-(2-amino-4-oxo-1,7-dihydropyrrolo[2,3-d]pyrimidin-5-yl)ethyl]benzoyl]amino]pentanedioate Chemical compound [Na+].[Na+].C=1NC=2NC(N)=NC(=O)C=2C=1CCC1=CC=C(C(=O)NC(CCC([O-])=O)C([O-])=O)C=C1 NYDXNILOWQXUOF-UHFFFAOYSA-L 0.000 claims description 23
- 229960003349 pemetrexed disodium Drugs 0.000 claims description 21
- 239000002904 solvent Substances 0.000 claims description 19
- 238000000634 powder X-ray diffraction Methods 0.000 claims description 18
- 239000003513 alkali Substances 0.000 claims description 11
- 150000003839 salts Chemical class 0.000 claims description 11
- 239000011259 mixed solution Substances 0.000 claims description 10
- 239000002244 precipitate Substances 0.000 claims description 9
- 239000003960 organic solvent Substances 0.000 claims description 7
- 239000012046 mixed solvent Substances 0.000 claims description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 33
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 30
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- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 24
- -1 2-amino-4,7-dihydro-4-oxo-1H-pyrrolo [2,3-d] pyrimidin-5-yl Chemical group 0.000 description 23
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 21
- 239000007864 aqueous solution Substances 0.000 description 20
- 239000000203 mixture Substances 0.000 description 17
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 15
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- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 9
- 238000002441 X-ray diffraction Methods 0.000 description 9
- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 description 8
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- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 6
- 238000009835 boiling Methods 0.000 description 6
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 6
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 6
- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 description 6
- LWIHDJKSTIGBAC-UHFFFAOYSA-K tripotassium phosphate Chemical compound [K+].[K+].[K+].[O-]P([O-])([O-])=O LWIHDJKSTIGBAC-UHFFFAOYSA-K 0.000 description 6
- QXNVGIXVLWOKEQ-UHFFFAOYSA-N Disodium Chemical class [Na][Na] QXNVGIXVLWOKEQ-UHFFFAOYSA-N 0.000 description 5
- 238000001556 precipitation Methods 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 108010022394 Threonine synthase Proteins 0.000 description 4
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 229910003002 lithium salt Inorganic materials 0.000 description 4
- XAEFZNCEHLXOMS-UHFFFAOYSA-M potassium benzoate Chemical compound [K+].[O-]C(=O)C1=CC=CC=C1 XAEFZNCEHLXOMS-UHFFFAOYSA-M 0.000 description 4
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 4
- BMYNFMYTOJXKLE-UHFFFAOYSA-N 3-azaniumyl-2-hydroxypropanoate Chemical compound NCC(O)C(O)=O BMYNFMYTOJXKLE-UHFFFAOYSA-N 0.000 description 3
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 3
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 3
- 239000005711 Benzoic acid Substances 0.000 description 3
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 3
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 3
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- 239000000908 ammonium hydroxide Substances 0.000 description 3
- 235000010233 benzoic acid Nutrition 0.000 description 3
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 3
- 239000000920 calcium hydroxide Substances 0.000 description 3
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 3
- ZPWVASYFFYYZEW-UHFFFAOYSA-L dipotassium hydrogen phosphate Chemical compound [K+].[K+].OP([O-])([O-])=O ZPWVASYFFYYZEW-UHFFFAOYSA-L 0.000 description 3
- 238000004090 dissolution Methods 0.000 description 3
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- 238000004108 freeze drying Methods 0.000 description 3
- XMBWDFGMSWQBCA-UHFFFAOYSA-N hydrogen iodide Chemical compound I XMBWDFGMSWQBCA-UHFFFAOYSA-N 0.000 description 3
- 229940071870 hydroiodic acid Drugs 0.000 description 3
- 229940098779 methanesulfonic acid Drugs 0.000 description 3
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- 235000019799 monosodium phosphate Nutrition 0.000 description 3
- 208000002154 non-small cell lung carcinoma Diseases 0.000 description 3
- NYDXNILOWQXUOF-GXKRWWSZSA-L pemetrexed disodium Chemical compound [Na+].[Na+].C=1NC=2NC(N)=NC(=O)C=2C=1CCC1=CC=C(C(=O)N[C@@H](CCC([O-])=O)C([O-])=O)C=C1 NYDXNILOWQXUOF-GXKRWWSZSA-L 0.000 description 3
- 229910000027 potassium carbonate Inorganic materials 0.000 description 3
- 229910000160 potassium phosphate Inorganic materials 0.000 description 3
- 235000011009 potassium phosphates Nutrition 0.000 description 3
- WBHQBSYUUJJSRZ-UHFFFAOYSA-M sodium bisulfate Chemical compound [Na+].OS([O-])(=O)=O WBHQBSYUUJJSRZ-UHFFFAOYSA-M 0.000 description 3
- 229910000342 sodium bisulfate Inorganic materials 0.000 description 3
- 229910000029 sodium carbonate Inorganic materials 0.000 description 3
- AJPJDKMHJJGVTQ-UHFFFAOYSA-M sodium dihydrogen phosphate Chemical compound [Na+].OP(O)([O-])=O AJPJDKMHJJGVTQ-UHFFFAOYSA-M 0.000 description 3
- 239000001488 sodium phosphate Substances 0.000 description 3
- 229910000162 sodium phosphate Inorganic materials 0.000 description 3
- 235000011008 sodium phosphates Nutrition 0.000 description 3
- 239000012453 solvate Substances 0.000 description 3
- 238000011282 treatment Methods 0.000 description 3
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 description 3
- 208000029729 tumor suppressor gene on chromosome 11 Diseases 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- FBPFZTCFMRRESA-KVTDHHQDSA-N D-Mannitol Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@H](O)CO FBPFZTCFMRRESA-KVTDHHQDSA-N 0.000 description 2
- ZHNUHDYFZUAESO-UHFFFAOYSA-N Formamide Chemical compound NC=O ZHNUHDYFZUAESO-UHFFFAOYSA-N 0.000 description 2
- 101000606741 Homo sapiens Phosphoribosylglycinamide formyltransferase Proteins 0.000 description 2
- 229930195725 Mannitol Natural products 0.000 description 2
- 102100039654 Phosphoribosylglycinamide formyltransferase Human genes 0.000 description 2
- DKGAVHZHDRPRBM-UHFFFAOYSA-N Tert-Butanol Chemical compound CC(C)(C)O DKGAVHZHDRPRBM-UHFFFAOYSA-N 0.000 description 2
- 102000005497 Thymidylate Synthase Human genes 0.000 description 2
- 239000012670 alkaline solution Substances 0.000 description 2
- 150000003863 ammonium salts Chemical class 0.000 description 2
- 125000003236 benzoyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C(*)=O 0.000 description 2
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- 238000001816 cooling Methods 0.000 description 2
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- 102000004419 dihydrofolate reductase Human genes 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
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- 229960002989 glutamic acid Drugs 0.000 description 2
- 159000000002 lithium salts Chemical class 0.000 description 2
- 208000006178 malignant mesothelioma Diseases 0.000 description 2
- 201000005282 malignant pleural mesothelioma Diseases 0.000 description 2
- 239000000594 mannitol Substances 0.000 description 2
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- 238000005406 washing Methods 0.000 description 2
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 1
- GUBGYTABKSRVRQ-XLOQQCSPSA-N Alpha-Lactose Chemical compound O[C@@H]1[C@@H](O)[C@@H](O)[C@@H](CO)O[C@H]1O[C@@H]1[C@@H](CO)O[C@H](O)[C@H](O)[C@H]1O GUBGYTABKSRVRQ-XLOQQCSPSA-N 0.000 description 1
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- 208000005016 Intestinal Neoplasms Diseases 0.000 description 1
- FBOZXECLQNJBKD-ZDUSSCGKSA-N L-methotrexate Chemical compound C=1N=C2N=C(N)N=C(N)C2=NC=1CN(C)C1=CC=C(C(=O)N[C@@H](CCC(O)=O)C(O)=O)C=C1 FBOZXECLQNJBKD-ZDUSSCGKSA-N 0.000 description 1
- GUBGYTABKSRVRQ-QKKXKWKRSA-N Lactose Natural products OC[C@H]1O[C@@H](O[C@H]2[C@H](O)[C@@H](O)C(O)O[C@@H]2CO)[C@H](O)[C@@H](O)[C@H]1O GUBGYTABKSRVRQ-QKKXKWKRSA-N 0.000 description 1
- ZDZOTLJHXYCWBA-VCVYQWHSSA-N N-debenzoyl-N-(tert-butoxycarbonyl)-10-deacetyltaxol Chemical compound O([C@H]1[C@H]2[C@@](C([C@H](O)C3=C(C)[C@@H](OC(=O)[C@H](O)[C@@H](NC(=O)OC(C)(C)C)C=4C=CC=CC=4)C[C@]1(O)C3(C)C)=O)(C)[C@@H](O)C[C@H]1OC[C@]12OC(=O)C)C(=O)C1=CC=CC=C1 ZDZOTLJHXYCWBA-VCVYQWHSSA-N 0.000 description 1
- 206010061902 Pancreatic neoplasm Diseases 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
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- 208000007097 Urinary Bladder Neoplasms Diseases 0.000 description 1
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- BNIILDVGGAEEIG-UHFFFAOYSA-L disodium hydrogen phosphate Chemical compound [Na+].[Na+].OP([O-])([O-])=O BNIILDVGGAEEIG-UHFFFAOYSA-L 0.000 description 1
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- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 235000006408 oxalic acid Nutrition 0.000 description 1
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Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D487/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00
- C07D487/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00 in which the condensed system contains two hetero rings
- C07D487/04—Ortho-condensed systems
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P35/00—Antineoplastic agents
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Medicinal Chemistry (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Pharmacology & Pharmacy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
Description
−PW1710 BASED X線回折装置
-CuKα源(λ=1.5406A)
−管電圧:30kV
−管電流:30mA
−受光スリット:0.05
-走査ステップ幅:0.1
-ステップ毎の時間:2s
ペメトレキセド二ナトリウム(乾燥品)5gを水50mlに溶解させ、エタノール60mlを加え、2mol/Lの塩酸水溶液にてpHを1.5〜2.0まで調整し、加熱して清澄させ、室温で1.5時間かけて攪拌しながら結晶を析出させ、ろ過し、適当な量のpH4〜5の水で洗浄し、45〜50℃、減圧(真空度、0.085〜0.090MPa)で30時間乾燥することで、含水量が7.1%であるペメトレキセド二酸のH結晶型2.9gを得た。
ペメトレキセド二ナトリウム(湿品)8gを水24mlに溶解させ、エタノール24mlを加え、1mol/Lの塩酸水溶液にてpHを2.0〜2.5まで調整し、加熱して清澄させ、更に水36mlを加え、攪拌しながら0.5時間で結晶を析出させ、ろ過し、濾過ケーキを適当な量の水で洗浄することで、含水量が約75%であるペメトレキセド二酸のH結晶型を得た。
ペメトレキセド二酸(乾燥品)5gを水75mlとアセトン70mlとの混合液に加え、1.5mol/Lの塩酸水溶液にてpHを1.5〜2.0まで調整し、加熱して清澄させ、攪拌しながら1時間で結晶を析出させ、ろ過し、濾過ケーキを適当な量の水で洗浄し、55〜60℃、減圧(真空度、0.090〜0.095MPa)で15時間乾燥することで、含水量が8.5%であるペメトレキセド二酸のH結晶型3.2gを得た。
ペメトレキセド二ナトリウム(乾燥品)10gを水500mlに溶解させ、0〜5℃まで冷却し、酢酸にて溶液のpHを4〜5まで調整し、更に2mol/Lの塩酸水溶液にてpHを2〜3まで調整し、続いて0.5時間攪拌し、ろ過し、濾過ケーキを適当な量の水で洗浄することで、含水量が約65%であるペメトレキセド二酸のI結晶型を得た。
ペメトレキセド二酸(湿品)10gを水400mlとエタノール100mlの混合溶媒に加え、4mol/Lの水酸化ナトリウム溶液にてpHを11〜12まで調整し、攪拌して溶解させ、2mol/Lの塩酸溶液にてpHを2〜3まで調整し、続いて1時間攪拌し、ろ過し、濾過ケーキを適当な量の水で洗浄し、45〜50℃、減圧(真空度、0.085〜0.090MPa)で35時間乾燥することで、含水量が6.7%であるペメトレキセド二酸のI結晶型3.7gを得た。
ペメトレキセド二ナトリウム(乾燥品)15gを水375mlに攪拌して溶解させ、0〜5℃まで冷却し、酢酸にて溶液pHを3〜4まで調整し、続いて10分攪拌し、ろ過し、濾過ケーキを適当な量の水で洗浄し、J結晶型のペメトレキセド二酸を得、60〜65℃、減圧(真空度、0.090〜0.095MPa)で24時間乾燥することで、含水量が7.7%であるペメトレキセド二酸のJ結晶型12.1gを得た。
ペメトレキセド二ナトリウム(湿品)15gを水100mlに攪拌して溶解させ、エタノール40mlを加え、1mol/Lの塩酸溶液にてpHを2〜3まで調整し、続いて約0.5時間攪拌し、ろ過し、濾過ケーキを適当な量の水で洗浄することで、含水量が約50%であるペメトレキセド二酸のJ結晶型を得た。
ペメトレキセド二ナトリウム(乾燥品)10gを水100mlに攪拌して溶解させ、アセトン100mlを加え、2mol/Lの塩酸にて溶液pHを3〜4まで調整し、系に固体が多量出現した後、60〜65℃まで加熱して約10分攪拌し、約1.5時間にかけて攪拌して冷却し、ろ過し、濾過ケーキを適当な量の水で洗浄することで、ペメトレキセド二酸のJ結晶型を得た。
上記実施例で得られたペメトレキセド二酸の新規結晶型(乾燥品)5gを水35mlに加え、5mol/Lの水酸化ナトリウム水溶液にてpHを11〜12まで調整し、攪拌して溶解させ、更に2mol/Lの塩酸にてpHを8〜9まで調整し、混合液を40〜45℃まで加熱し、アセトン170mlを加え、約1.5時間にかけて攪拌しながら冷却して結晶を析出させ、ろ過し、濾過ケーキを適当な量のアセトンで洗浄し、50℃、減圧(真空度、0.090〜0.095MPa)で24時間乾燥することで、ペメトレキセド二ナトリウム5.3gを得た。
上記実施例で得られたペメトレキセド二酸の新規結晶型(湿品)7gを水10mlに加え、5mol/Lの水酸化ナトリウム溶液にてpHを10〜11まで調整し、攪拌して清澄させ、アセトニトリル44mlを加え、室温で約2時間にかけて攪拌しながら結晶を析出させ、ろ過し、適当な量のアセトニトリル/水の混合液、及びアセトンで洗浄することで、ペメトレキセド二ナトリウムを得た。
上記実施例で得られたペメトレキセド二酸の新規結晶型(乾燥品)10.8gを注射用水180mlに加え、2mol/Lの水酸化ナトリウム溶液にてpHを11〜12まで調整し、攪拌して溶解させ、更に2mol/Lの塩酸にてpHを7.0〜8.5まで調整し、次に250mlに定容した。マンニトール10.0g、0.05%活性炭を加え、10分間攪拌し、ろ過し、更にろ液を滅菌ろ過した。凍結乾燥ボトルに12.5ml/ボトルで装入し、凍結乾燥することで、凍結乾燥したペメトレキセド二ナトリウムを得た。
Claims (7)
- H結晶型の粉末X線回折パターンにおいて、2θ値が9.9°、12.2°、16.1°、18.9°、19.8°、22.6°、25.1°である位置に対応する回折ピークがあるペメトレキセド二酸のH結晶型。
- 含水量が5wt%〜80wt%の範囲であることを特徴する請求項1に記載のペメトレキセド二酸のH結晶型。
- ペメトレキセド二酸をペメトレキセド二酸、水および水と相溶する溶媒を含む混合溶液から結晶させることを特徴する、請求項1または2に記載のペメトレキセド二酸のH結晶型の製造方法。
- ペメトレキセド二酸をペメトレキセド二酸、水および水と相溶する溶媒を含む混合溶液から結晶させることが、具体的に、水及び水と相溶する溶媒からなる混合溶液にペメトレキセド塩を溶解させ、pHを1〜2.5に調整して、ペメトレキセド二酸の結晶を析出させることであり;または水及び水と相溶する溶媒からなる混合溶液にペメトレキセド二酸をそのまま溶解させ、更に結晶を析出させることであることを特徴する請求項3に記載の製造方法。
- 対応するアルカリと作用させることによってペメトレキセド二酸の薬学的に許容される塩を得るための請求項1に記載のペメトレキセド二酸の結晶型の使用。
- 対応するアルカリと作用させることによってペメトレキセド二酸の薬学的に許容される塩を得るためのペメトレキセド二酸の結晶型の使用は、
ペメトレキセド二酸を水含有溶媒に添加して対応するアルカリにてペメトレキセド二酸を溶解させ、溶解した後、適宜な水と相溶する有機溶媒を添加してペメトレキセド二酸の薬学的に許容される塩を析出させ、或いはそのまま凍結乾燥して凍結乾燥した状態でのペメトレキセド二酸の薬学的に許容される塩を得るものを含み、上記の水含有溶媒は、
水や、水及び水と相溶する有機溶媒からなる混合溶媒を含有することを特徴する請求項5に記載の使用。 - 前記の対応するアルカリは水酸化ナトリウムであり、前記のペメトレキセド二酸の薬学的に許容される塩はペメトレキセド二ナトリウムであることを特徴する請求項5または請求項6に記載の使用。
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| PCT/CN2009/074059 WO2010031357A1 (zh) | 2008-09-22 | 2009-09-21 | 培美曲塞二酸的新晶型及其制备方法 |
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| ES2639639T3 (es) * | 2011-03-25 | 2017-10-27 | Scinopharm Taiwan, Ltd. | Proceso para la producción de pemetrexed disódico |
| US20150259348A1 (en) * | 2012-10-17 | 2015-09-17 | Shilpa Medicare Limited | Process for preparing pemetrexed di potassium and its hydrates |
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| CN104098573A (zh) * | 2013-04-10 | 2014-10-15 | 重庆医药工业研究院有限责任公司 | 培美曲塞盐及其制备方法 |
| WO2014185797A1 (en) | 2013-05-17 | 2014-11-20 | Instytut Farmaceutyczny | Process for the preparation of high purity amorphous pemetrexed disodium and crystalline forms of n-[4-[2-(2-amino-4,7-dihydro-4-oxo-3h-pyrrolo[2,3- d] pyrimidin-5-yl)ethyl] benzoyl]-l-glutamic acid |
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| CN104119345B (zh) * | 2014-06-18 | 2016-04-27 | 威海昊同医药科技有限公司 | 一种注射级培美曲塞二钠的纯化方法 |
| NZ630299A (en) | 2014-06-30 | 2014-11-28 | Shilpa Medicare Ltd | Pemetrexed dipotassium formulations |
| CA3015436C (en) | 2014-10-30 | 2020-07-21 | Scinopharm Taiwan, Ltd. | Crystalline forms of pemetrexed diacid and manufacturing processes therefor |
| WO2017168442A1 (en) * | 2016-03-26 | 2017-10-05 | Dharmesh Mahendrabhai Shah | Novel stable salts of pemetrexed |
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| CN114262332A (zh) * | 2020-09-16 | 2022-04-01 | 齐鲁制药有限公司 | 培美曲塞二酸新晶型及其制备方法 |
| CN115197224A (zh) * | 2021-04-12 | 2022-10-18 | 齐鲁制药有限公司 | 培美曲塞二酸新晶型及其制备方法 |
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| CN101684121A (zh) | 2010-03-31 |
| US8324382B2 (en) | 2012-12-04 |
| JP2012502933A (ja) | 2012-02-02 |
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| EP2351755B1 (en) | 2014-11-12 |
| EP2351755A1 (en) | 2011-08-03 |
| CA2737967A1 (en) | 2010-03-25 |
| WO2010031357A1 (zh) | 2010-03-25 |
| AU2009295094B2 (en) | 2012-11-01 |
| CA2737967C (en) | 2017-04-04 |
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