JP2020055832A - 6−カルボキシ−2−(3,5−ジクロロフェニル)−ベンゾオキサゾールの結晶性固体形態 - Google Patents
6−カルボキシ−2−(3,5−ジクロロフェニル)−ベンゾオキサゾールの結晶性固体形態 Download PDFInfo
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- JP2020055832A JP2020055832A JP2019218244A JP2019218244A JP2020055832A JP 2020055832 A JP2020055832 A JP 2020055832A JP 2019218244 A JP2019218244 A JP 2019218244A JP 2019218244 A JP2019218244 A JP 2019218244A JP 2020055832 A JP2020055832 A JP 2020055832A
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- dichlorophenyl
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- benzoxazole
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Abstract
Description
本明細書で使用する用語「治療する」は、別段の指示がない限り、このような用語が当てはまる障害もしくは状態、またはこのような障害もしくは状態の1種もしくは複数種の症状を回復させ、軽減し、その進行を阻害し、またはそれを阻止することを意味する。本明細書で使用する用語「治療」は、別段の指示がない限り、直前で定義した「治療する」行為を指す。
本明細書に開示の式Iの化合物の固体形態は、次の1種または複数種により特性決定することができる:粉末X線回折パターン(すなわち、様々な回折角度(2θ)でのX線回折ピーク)、固体核磁気共鳴(NMR)スペクトルパターン、ラマンスペクトルダイアグラムパターン、赤外スペクトルパターン、水溶性、調和国際会議(ICH)の高強度光条件下での光安定性、ならびに物理的および化学的貯蔵安定性。例えば、式Iの化合物の固体形態を、その粉末X線回折パターンにおけるピークの位置および相対強度によりそれぞれ特性決定した。
形態1は、実施例1に記載するように生成することができる式Iの化合物の結晶質、非吸湿性、無水性の形態である。
形態4は、実施例2に記載するように生成することができる式Iの化合物の結晶質、非吸湿性、無水性の形態である。
形態2は、実施例3に記載するように生成することができる式Iの化合物の結晶性THF溶媒和物である。
形態6は、実施例4に記載するように生成することができる式Iの化合物の結晶質、非吸湿性、無水性の形態である。
本発明の活性剤(すなわち、本明細書に記載の式Iの化合物の固体形態)は、哺乳動物の医学的使用に適した医薬組成物に製剤化することができる。任意の適切な投与経路を使用して、患者に有効投与量の本明細書に記載の式Iの化合物の固体形態のいずれかを提供することができる。例えば、経口または非経口製剤などを使用することができる。剤形には、カプセル剤、錠剤、分散剤、懸濁剤など、例えば、腸溶コーティングされたカプセル剤および/または錠剤、本明細書に記載の式Iの化合物の固体形態の腸溶コーティングされたペレットを含有するカプセル剤および/または錠剤がある。すべての剤形において、本明細書に記載の式Iの化合物の固体形態を他の適切な構成物質と混合することができる。組成物は、単位剤形で好都合に提供され、医薬分野で公知の任意の方法により調製することができる。本発明の医薬組成物は、治療有効量の活性剤および1種または複数種の不活性な薬学的に許容できる担体、および場合により他の任意の治療成分、安定化剤などを含む。担体は、製剤の他の成分と相容性であり、かつそのレシピエントに対して過度に有害でないという意味において薬学的に許容できなければならない。組成物は、希釈剤、緩衝剤、結合剤、崩壊剤、増粘剤、滑沢剤、防腐剤(抗酸化剤を含む)、フレーバリング剤、風味マスキング剤、無機塩(例えば、塩化ナトリウム)、抗菌剤(例えば、塩化ベンザルコニウム)、甘味剤、帯電防止剤、界面活性剤(例えば、「TWEEN20(商標)」および「TWEEN80(商標)」などのポリソルベート、ならびにBASFから入手可能なPluronic(登録商標)F68およびF88)、ソルビタンエステル、脂質(例えば、レシチンおよび他のホスファチジルコリンなどのリン脂質、ホスファチジルエタノールアミン、脂肪酸および脂肪酸エステル、ステロイド(例えば、コレステロール))、ならびにキレート化剤(例えば、EDTA、亜鉛、および他のこのような適切なカチオン)をさらに含むことができる。本発明による組成物での使用に適した他の医薬添加剤および/または添加物は、Remington:The Science & Practice of Pharmacy、19版、Williams & Williams、(1995)、および「Physician’s Desk Reference」、52版、Medical Economics、Montvale、NJ(1998)、および「Handbook of Pharmaceutical Excipients」、3版、A.H.Kibbe編、Pharmaceutical Press、2000に列挙されている。本発明の活性剤は、経口、直腸、局所、鼻、眼、または非経口(腹腔内、静脈内、皮下、または筋肉内注射を含む)投与に適したものを含む組成物に製剤化することができる。
本明細書に記載の式Iの化合物の固体形態は、包装材料と、包装材料中にある、TTRフォールディングをモジュレートするために、またはTTR介在性疾患もしくは障害、またはTTRミスフォールディングが関与する疾患もしくは障害の1種または複数種の症状を治療、阻止、または改善するために有効である、本明細書において提供する式Iの化合物の固体形態と、この固体形態が、TTRフォールディングをモジュレートするために、またはTTR介在性疾患もしくは障害、またはTTRミスフォールディングが関与する疾患もしくは障害の1種または複数種の症状を治療、阻止、または改善するために使用されることを示すラベルとを含有する製造品として包装することができる。
いくつかのin vitro試験を使用して、固体形態を、トランスサイレチン四量体を安定化する能力、またはフィブリル形成を阻止する能力に関して評価することができる。これらの試験には、フィブリル形成アッセイ、血漿選択性アッセイ、トランスサイレチン化合物複合体の三次元構造の決定(例えば、X線結晶学による)、トランスサイレチン四量体解離またはフィブリル形成の速度論、ならびに、例えば遠心分離または熱量測定によるトランスサイレチン化合物相互作用の化学量論およびエネルギーの決定が包含され得る。例示的なin vitroアッセイの詳細は、米国特許第7,214,695号(この全体を参照により本明細書に援用する)に提供されている。
本明細書に記載の式Iの化合物は、その解離がTTRアミロイドーシスに関与するタンパク質トランスサイレチン(TTR)の安定化に有用であり(すなわち、天然TTR四量体の単量体への解離を阻止し、それによって、TTRアミロイドフィブリル形成が阻害される)、したがって、ヒトを含めた哺乳動物におけるトランスサイレチンアミロイド疾患の治療が提供される。
形態1の調製
4−アミノ−3−ヒドロキシ安息香酸(1.0当量、LR)をテトラヒドロフラン(19L/kg)と水(1.9L/Kg)との混合物中に20℃で溶解させた。3,5−ジクロロベンゾイルクロリド(1.3当量)をテトラヒドロフラン溶液(1.9L/kg)として添加し、混合物を20℃で少なくとも30分間撹拌した。HPLCにより反応の完了が判断されたら(4−アミノ−3−ヒドロキシ安息香酸の残りが<5%)、トリエチルアミン(1.2当量)を添加し、混合物を35℃に加熱し、少なくとも90分間撹拌した。THFの残りが5〜15%になるまで、一定レベルの蒸留により溶媒をエタノールで部分的に置換した。スラリーを20℃に冷却し、少なくとも60分間撹拌し、次いで、スラリーをろ過した。固体をエタノール(3×4L/kg)で洗浄し、次いで、65℃で少なくとも16時間真空乾燥させて、88〜92%の収率で純粋な4−[(3,5−ジクロロベンゾイル)アミノ]−3−ヒドロキシ安息香酸を得た。
形態4の調製
形態1(187mg)をテトラヒドロフラン(7.5mL)に懸濁させ、その懸濁物を75℃で加熱した。透明な溶液を、事前に温めた0.2μmナイロンフィルターを通して保温ろ過し、氷/水浴で冷やしたトルエン(25mL)を含む容器中に入れた。試料を冷凍庫(−10〜−25℃)内で一晩保存した。形態4を、冷却しながら、真空ろ過により収集した。
形態2の調製
3mg/mLの形態1のTHF溶液を、フード中において周囲条件で蒸発させ、結晶を得た。単結晶分析から以下の結果が示された:
実験式 C14H7NO3Cl2
式量 308.12
温度 周囲
波長 1.54178Å
結晶系 三斜晶系
空間群 P−1
単位格子寸法 a=3.7740(2)Å α=80.668(3)°
b=13.6536(8)Å β=89.381(4)°
c=15.5098(9)Å γ=89.520(3)°
体積 788.56(8)Å3
Z 4
密度(計算値) 1.365Mg/m3
F2の適合度 1.112
最終R指数[I>2シグマ(I)] R1=0.0776、wR2=0.2360
R指数(全データ) R1=0.1026、wR2=0.2561
形態6の調製
形態1(4168mg)をテトラヒドロフラン(100mL)に懸濁させ、60℃で加熱撹拌した。ジメチルアセトアミド(5mL)を添加した。得られた溶液を、事前に温めた0.2μmナイロンフィルターを通して保温ろ過し、氷/水浴で冷やしたジクロロメタンを含む容器中に入れた。観察された固体を真空ろ過で単離し、周囲温度で空気乾燥させた。
非晶質6−カルボキシ−2−(3,5−ジクロロフェニル)−ベンゾオキサゾールの調製
形態1(79.7mg)を5mLのジオキサン/水(80/20)に懸濁させ、約80℃で加熱した。得られた透明な溶液を、事前に温めた0.2μmナイロンフィルターを通して保温ろ過し、事前に温めたレシービングバイアル中に入れた。次いで、試料をドライアイス/IPA浴で凍結させ、凍結乾燥機に移動させて2日間置いた。固体を収集した。
Claims (18)
- 6−カルボキシ−2−(3,5−ジクロロフェニル)−ベンゾオキサゾールの結晶形態であって、120.8±0.2および127.7±0.2に13C化学シフト(ppm)を含む固体NMRスペクトルを有する結晶形態。
- 前記固体NMRスペクトルが、139.6±0.2に13C化学シフト(ppm)をさらに含む、請求項1に記載の6−カルボキシ−2−(3,5−ジクロロフェニル)−ベンゾオキサゾールの結晶形態。
- 前記固体NMRスペクトルが、144.7±0.2に13C化学シフト(ppm)をさらに含む、請求項1に記載の6−カルボキシ−2−(3,5−ジクロロフェニル)−ベンゾオキサゾールの結晶形態。
- 6−カルボキシ−2−(3,5−ジクロロフェニル)−ベンゾオキサゾールの結晶形態であって、28.6±0.2の回折角(2θ)にピークを含む粉末X線回折パターンを有する結晶形態。
- 前記粉末X線回折パターンが、16.5±0.2および26.7±0.2の回折角(2θ)にピークをさらに含む、請求項4に記載の6−カルボキシ−2−(3,5−ジクロロフェニル)−ベンゾオキサゾールの結晶形態。
- 前記粉末X線回折パターンが、15.4±0.2および20.2±0.2の回折角(2θ)にピークをさらに含む、請求項4に記載の6−カルボキシ−2−(3,5−ジクロロフェニル)−ベンゾオキサゾールの結晶形態。
- 前記粉末X線回折パターンが、29.0±0.2の回折角(2θ)にピークをさらに含む、請求項6に記載の6−カルボキシ−2−(3,5−ジクロロフェニル)−ベンゾオキサゾールの結晶形態。
- 前記粉末X線回折パターンが、23.5±0.2の回折角(2θ)にピークをさらに含む、請求項7に記載の6−カルボキシ−2−(3,5−ジクロロフェニル)−ベンゾオキサゾールの結晶形態。
- 6−カルボキシ−2−(3,5−ジクロロフェニル)−ベンゾオキサゾールの結晶形態であって、1292±2にラマンシフトピーク(cm−1)を含むラマンスペクトルを有する結晶形態。
- 前記結晶形態が、994±2、1273±2、および1615±2にラマンシフトピーク(cm−1)をさらに含むラマンスペクトルを有する、請求項9に記載の6−カルボキシ−2−(3,5−ジクロロフェニル)−ベンゾオキサゾールの結晶形態。
- 前記ラマンスペクトルが、287±2および869±2にラマンシフトピーク(cm−1)をさらに含む、請求項6に記載の6−カルボキシ−2−(3,5−ジクロロフェニル)−ベンゾオキサゾールの結晶形態。
- 前記ラマンスペクトルが、213±2にラマンシフトピーク(cm−1)をさらに含む、請求項11に記載の6−カルボキシ−2−(3,5−ジクロロフェニル)−ベンゾオキサゾールの結晶形態。
- 6−カルボキシ−2−(3,5−ジクロロフェニル)−ベンゾオキサゾールの結晶形態であって、(i)26.7±0.2および28.6±0.2の回折角(2θ)にピークを含む粉末X線回折パターン、ならびに(ii)127.7±0.2に13C化学シフト(ppm)を含む固体NMRスペクトルを有する結晶形態。
- 6−カルボキシ−2−(3,5−ジクロロフェニル)−ベンゾオキサゾールの結晶形態であって、(i)1292±2および1615±2にラマンシフトピーク(cm−1)を含むラマンスペクトル、ならびに(ii)127.7±0.2に13C化学シフト(ppm)を含む固体NMRスペクトルを有する結晶形態。
- 非吸湿性かつ無水である、請求項1から14のいずれか一項に記載の結晶形態。
- 実質的に純粋である、請求項1から15のいずれか一項に記載の結晶形態。
- 少なくとも1種の薬学的に許容できる添加剤と混合して、治療有効量で請求項1から16のいずれか一項に記載の結晶形態を含む医薬組成物。
- 哺乳動物におけるトランスサイレチンアミロイド疾患を治療する方法であって、前記哺乳動物に治療有効量の請求項1から16のいずれか一項に記載の結晶形態または請求項17に記載の医薬組成物を投与するステップを含む方法。
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WO2020232325A1 (en) | 2019-05-16 | 2020-11-19 | Teva Pharmaceuticals International Gmbh | Solid state forms of tafamidis and salts thereof |
WO2021001858A1 (en) * | 2019-07-04 | 2021-01-07 | Msn Laboratories Private Limited, R&D Center | Improved process for the preparation of 2-(3,5-dichlorophenyl)-1,3-benzoxazole-6-carboxylic acid or its pharmaceutically acceptable salts and polymorphs thereof |
WO2021093809A1 (zh) * | 2019-11-15 | 2021-05-20 | 苏州科睿思制药有限公司 | 他发米帝司的晶型及其制备方法和用途 |
AU2020406455B2 (en) * | 2019-12-20 | 2024-02-15 | Pfizer Ireland Pharmaceuticals | Efficient process for making 6-carboxy benzoxazole derivatives |
WO2021152623A1 (en) * | 2020-01-27 | 2021-08-05 | Dr. Reddy’S Laboratories Limited | Improved processes for the preparation of tafamidis and its meglumine salt |
WO2021232619A1 (zh) * | 2020-05-19 | 2021-11-25 | 苏州科睿思制药有限公司 | 一种他发米帝司游离酸的晶型及其制备方法和用途 |
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WO2022084790A1 (en) * | 2020-10-19 | 2022-04-28 | Glenmark Life Sciences Limited | Process for preparation of tafamidis and salts thereof |
WO2022107166A1 (en) * | 2020-11-20 | 2022-05-27 | Natco Pharma Limited | Novel crystalline form of tafamidis and its process thereof |
WO2022112919A1 (en) | 2020-11-25 | 2022-06-02 | Pfizer Inc. | (aza)benzothiazolyl substituted pyrazole compounds |
CN114907283A (zh) * | 2021-02-07 | 2022-08-16 | 南京正大天晴制药有限公司 | 一种2-(3,5-二氯苯基)-苯并噁唑-6-羧酸的制备方法 |
EP4083027A1 (en) | 2021-04-26 | 2022-11-02 | Química Sintética, S.A. | A solid state form of tafamidis and a process for its preparation |
WO2023020762A1 (en) | 2021-08-16 | 2023-02-23 | Synthon B.V. | Crystalline forms of tafamidis nicotinamide adduct |
EP4433461A1 (en) | 2021-11-17 | 2024-09-25 | Teva Pharmaceuticals International GmbH | Solid state form of tafamidis |
WO2024023710A1 (en) | 2022-07-28 | 2024-02-01 | Pfizer Inc. | Tafamidis pharmaceutical compositions |
WO2024084362A1 (en) * | 2022-10-17 | 2024-04-25 | Biophore India Pharmaceuticals Pvt. Ltd | A process for the preparation of crystalline form of tafamidis |
US11878081B1 (en) | 2022-12-23 | 2024-01-23 | Tap Pharmaceuticals Ag | Pharmaceutical formulations of tafamidis |
US11980685B1 (en) | 2022-12-23 | 2024-05-14 | Tap Pharmaceuticals, Ag | Liquid pharmaceutical formulations of tafamidis |
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