JP5584705B2 - R)−3−(4−(2−(2−メチルテトラゾール−5−イル)ピリジン−5−イル)−3−フルオロフェニル)−5−ヒドロキシメチルオキサゾリジン−2−オンリン酸二水素の結晶形 - Google Patents
R)−3−(4−(2−(2−メチルテトラゾール−5−イル)ピリジン−5−イル)−3−フルオロフェニル)−5−ヒドロキシメチルオキサゾリジン−2−オンリン酸二水素の結晶形 Download PDFInfo
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Description
本発明は、(R)−3−(4−(2−(2−メチルテトラゾール−5−イル)ピリジン−5−イル)−3−フルオロフェニル)−5−ヒドロキシメチルオキサゾリジン−2−オン リン酸二水素の結晶形、及び該結晶形を製造及び使用する方法に関する。該結晶形は、細菌の増殖を妨げる、または細菌に感染した患者を治療するのに有用な組成物において、薬学的に活性な化合物として使用できる。
米国特許出願公開第20070155798号明細書は、その全体を引用することによって、本開示の一部となすが、以下を含む一連の抗菌性の強いオキサゾリジノン類を開示しており:
驚いたことに、結晶性(R)−3−(4−(2−(2−メチルテトラゾール−5−イル)ピリジン−5−イル)−3−フルオロフェニル)−5−ヒドロキシメチルオキサゾリジン−2−オン リン酸二水素1(R=PO(OH)2)は、試験された塩形態よりも安定性及び非吸湿性が高かった。加えて、溶媒や温度条件等の結晶化条件が特定の結晶形を決定する典型的な結晶化とは異なり、多数の溶媒及び結晶化条件を用いて1(R=PO(OH)2)と同じ結晶形が生成された。よって、この結晶形は、非常に安定しており、再現可能に生成され、商業生産に理想的であった。なぜならば、生成中に他の多形体が不純物を形成する可能性を低下させたからである。しかし、全ての予備試験において、遊離酸が微粒子として結晶化し、ろ過及び加工を困難にした。
(R)−3−(4−(2−(2−メチルテトラゾール−5−イル)ピリジン−5−イル)−3−フルオロフェニル)−5−ヒドロキシメチルオキサゾリジン−2−オン リン酸二水素1(R=PO(OH)2)(本明細書では「遊離酸」または「TR−701 FA」とも言う)、及びそのいくつかの塩を、様々な結晶化条件下で調製し、どの材料が最も安定して最も吸湿性の低い結晶性化合物を形成するかを決定した。遊離酸及びその塩の結晶形を製造する経験的方法の結果、様々な結晶化条件下、優れた安定性及び非吸湿性を有することに加え、再現可能に製造された結晶性遊離酸が選択され、続いてこれを精製及び乾燥した。
A.実施例
1.計器による計測
2.結晶性遊離酸1(R=PO(OH) 2 )の調製
22Lの反応器を1M HCl(1.95L、2.2当量)及びエタノール(1.6L、4容量)で満たし、溶液を70℃まで加熱した。ガスの発生をモニターするためのガスバブラーを備えた別の12Lの反応器を、TR−701FA(0.4kg、AMRIロット番号DUG−AH−166(2))、水(2.8L、7容量)及びエタノール(0.4L、1容量)で満たした。スラリーを周囲温度で攪拌し、蠕動ポンプを通じて5wt%の水性NaHCO3を30分にわたって加えた。泡立ちは観察されなかったが、ガスバブラーを通じて観察したところ、ガスの発生が活発であった。添加終了時、透明な黄色い溶液のpHは6.6であった。エタノール/HCl溶液に対し、蠕動ポンプを通じて水性TR−701溶液を90分にわたって加えた。添加終了時、反応混合物のpHは1.9であり、反応混合物を30℃まで冷却した。光学顕微鏡法による分析のために、スラリーのサンプルを取り出した。ポリプロピレン製のろ布を通してスラリーをろ過し、反応器及びろ過ケーキを水(5容量)及びアセトン(5容量)ですすいだ。洗浄を含めた総ろ過時間は12分であった。高真空下、50℃で固体を乾燥させ、391.7gの再沈殿したTR−701FAを得た(収率98%)。1H NMRによる分析は、割り当てられた構造(assigned structure)に一致した。HPLC分析(方法A):98.8%(AUC)tR=5.2分。1H NMR分析による残留エタノールのレベルは0.03%、カール・フィッシャー滴定による含水量は0.15%、ナトリウム含有量は5ppmであった。
200mg/バイアルの(R)−3−(4−(2−(2−メチルテトラゾール−5−イル)ピリジン−5−イル)−3−フルオロフェニル)−5−ヒドロキシメチルオキサゾリジン−2−オン リン酸二水素1(R=PO(OH)2)(「注射用トレゾリドリン酸塩」または「注射用TR-701 FA」)を、注射用の無菌の凍結乾燥された粉末の製剤として調製した。注射用TR-701 FAは、優れた水溶解度(>130mg/mL)を生かすために、水酸化ナトリウムを用いてジナトリウム塩としてそのままで(in situ)処方される。
配合溶液
滅菌ろ過/充填/凍結乾燥
TR-701 FA製剤原料における有機不純物
Claims (23)
- 前記結晶性粒子が、以下のピーク:14.7°、15.2°、16.6°、20.3°、26.8°及び28.2°を含むX線回折パターンを有する、請求項1に記載の医薬組成物。
- 前記結晶性粒子が、少なくとも1.0μmの中央体積直径(median volume diameter)によって特徴づけられる、請求項1に記載の医薬組成物。
- 前記結晶性粒子が、255〜258℃においてエンド−エンドピーク(endo-endo peaks)を有するDSCパターンによって特徴づけられる、請求項1に記載の医薬組成物。
- 更に、少なくとも1つの薬学的に許容される担体、賦形剤または希釈剤を含む、請求項1に記載の医薬組成物。
- 前記薬学的に許容される担体、賦形剤または希釈剤が、マンニトール、ポリビニルピロリドン、架橋ポリビニルピロリドン及びステアリン酸マグネシウムからなる群から選択される少なくとも1つの部材である、請求項9に記載の医薬組成物。
- 細菌感染を治療する請求項1に記載の医薬組成物。
- 細菌感染を治療する請求項11に記載の医薬組成物。
- 結晶化された(R)−3−(4−(2−(2−メチルテトラゾール−5−イル)ピリジン−5−イル)−3−フルオロフェニル)−5−ヒドロキシメチルオキサゾリジン−2−オン リン酸二水素を乾燥する工程を含む、請求項1に記載の医薬組成物を製造する方法。
- 前記乾燥する工程の前に、上清から結晶化された(R)−3−(4−(2−(2−メチルテトラゾール−5−イル)ピリジン−5−イル)−3−フルオロフェニル)−5−ヒドロキシメチルオキサゾリジン−2−オン リン酸二水素をろ過する工程を更に含む、請求項19に記載の方法。
- 前記ろ過する工程の前に、結晶性(R)−3−(4−(2−(2−メチルテトラゾール−5−イル)ピリジン−5−イル)−3−フルオロフェニル)−5−ヒドロキシメチルオキサゾリジン−2−オン リン酸二水素の塩を酸性溶液と速やかに接触させて、結晶化された(R)−3−(4−(2−(2−メチルテトラゾール−5−イル)ピリジン−5−イル)−3−フルオロフェニル)−5−ヒドロキシメチルオキサゾリジン−2−オン リン酸二水素を形成する工程を更に含む、請求項20に記載の方法。
- 前記接触させる工程が、結晶性(R)−3−(4−(2−(2−メチルテトラゾール−5−イル)ピリジン−5−イル)−3−フルオロフェニル)−5−ヒドロキシメチルオキサゾリジン−2−オン リン酸二水素の塩を含む反応混合物を前記酸性溶液に加えることを含む、請求項21に記載の方法。
- 前記酸性溶液がHCl及びエタノール、またはHCl及びTHFを含む、請求項22に記載の方法。
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US14940209P | 2009-02-03 | 2009-02-03 | |
| US61/149,402 | 2009-02-03 | ||
| PCT/US2010/023122 WO2010091131A1 (en) | 2009-02-03 | 2010-02-03 | Crystalline form of r)-3-(4-(2-(2-methyltetrazol-5-yl)pyridin-5-yl)-3-fluorophenyl)-5-hydroxymethyl oxazolidin-2-one dihydrogen phosphate |
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| JP2012516894A JP2012516894A (ja) | 2012-07-26 |
| JP2012516894A5 JP2012516894A5 (ja) | 2013-03-07 |
| JP5584705B2 true JP5584705B2 (ja) | 2014-09-03 |
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| KR100854211B1 (ko) | 2003-12-18 | 2008-08-26 | 동아제약주식회사 | 신규한 옥사졸리디논 유도체, 그의 제조방법 및 이를유효성분으로 하는 항생제용 약학 조성물 |
| MX2011003820A (es) | 2008-10-10 | 2011-06-16 | Trius Therapeutics | Metodos para preparar oxazolidinonas y composiciones que las contienen. |
| CN107082790A (zh) | 2009-02-03 | 2017-08-22 | 默沙东公司 | 一种噁唑烷酮化合物的晶型 |
| US8580767B2 (en) | 2009-05-28 | 2013-11-12 | Trius Therapeutics, Inc. | Oxazolidinone containing dimer compounds, compositions and methods to make and use |
| US8461188B2 (en) | 2011-10-20 | 2013-06-11 | Trius Therapeutics, Inc. | Therapeutic combination of daptomycin and protein synthesis inhibitor antibiotic, and methods of use |
| WO2015054246A1 (en) * | 2013-10-07 | 2015-04-16 | Trius Therapeutics, Inc. | Methods of treating subjects with renal impairment using tedizolid |
| CN105229001B (zh) * | 2014-04-18 | 2017-04-26 | 杭州普晒医药科技有限公司 | 一种噁唑烷酮类抗生素的晶型及制备方法、组合物和用途 |
| WO2016009401A2 (en) * | 2014-07-18 | 2016-01-21 | Dr. Reddy's Laboratories Limited | Preparation of tedizolid phosphate |
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