JP4864320B2 - Hivプロテアーゼ阻害剤の疑似多形相 - Google Patents
Hivプロテアーゼ阻害剤の疑似多形相 Download PDFInfo
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- JP4864320B2 JP4864320B2 JP2004513292A JP2004513292A JP4864320B2 JP 4864320 B2 JP4864320 B2 JP 4864320B2 JP 2004513292 A JP2004513292 A JP 2004513292A JP 2004513292 A JP2004513292 A JP 2004513292A JP 4864320 B2 JP4864320 B2 JP 4864320B2
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- 239000002002 slurry Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000000935 solvent evaporation Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000001694 spray drying Methods 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000007920 subcutaneous administration Methods 0.000 description 1
- 239000002600 sunflower oil Substances 0.000 description 1
- 239000003826 tablet Substances 0.000 description 1
- 241001430294 unidentified retrovirus Species 0.000 description 1
- 210000002700 urine Anatomy 0.000 description 1
- 239000008158 vegetable oil Substances 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
- 230000029812 viral genome replication Effects 0.000 description 1
- 230000006514 viral protein processing Effects 0.000 description 1
- 230000003612 virological effect Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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- C07D493/02—Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system in which the condensed system contains two hetero rings
- C07D493/04—Ortho-condensed systems
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- A61P31/12—Antivirals
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
- A61P31/12—Antivirals
- A61P31/14—Antivirals for RNA viruses
- A61P31/18—Antivirals for RNA viruses for HIV
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P43/00—Drugs for specific purposes, not provided for in groups A61P1/00-A61P41/00
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Description
本発明は薬剤配合物を製造するに適した式(X)で表される化合物の疑似多形相に関する。前記疑似多形相は安定性および生体利用率を向上させる点で薬剤配合物に貢献する。それらは、薬剤使用、より詳細には、哺乳動物におけるHIVプロテアーゼ活性を阻害する薬剤の製造で満足されるほど充分に高い純度で製造可能である。
(詳細な説明)
用語「多形」は、ある化学構造物がいろいろな形態で存在し得ることを指し、これは数多くの有機化合物(薬剤を包含)に存在することが知られている。このように、「多形相」または「多形体」には、非晶質形態、結晶形態、無水形態、いろいろな度合の水和物または溶媒和物、溶媒分子を捕捉した状態ばかりでなく結晶の硬さ、形状および大きさがいろいろな物質として見られる薬剤物質が含まれる。そのようないろいろな多形体は物性、例えば溶解性、崩壊、固体状態の安定性ばかりでなく錠剤製造(tabletting)中の粉末流れおよび圧縮固化の点から見た加工挙動がいろいろである。
範囲1(3750から2650cm−1)
図11:形態Aは3454cm−1および3429cm−1の所に吸収最大値を伴う2つの帯を示す。形態Bは3615cm−1の所に単一の吸収帯を示し、そして非晶質形態は3362cm−1の所に単一の吸収帯を示す。
範囲2(1760から1580cm−1)
図12:形態Aは1646cm−1の所に単一の吸収帯を示し、形態Bは1630cm−1の所に単一の吸収帯を示し、そして非晶質形態は1628cm−1の所に単一の吸収帯を示したが、強度は形態Bの帯に比較して明らかに高かった。加うるに、非晶質形態が1704cm−1の所に示した帯は形態AおよびBの両方が約1704cm−1の所に示した帯に比べて強くなくて幅広い。
範囲3(980から720cm−1)
図13:形態Aは911、890、876、862および841cm−1の所に明瞭な組の5吸収帯を示す。形態Bも同様な組の帯を示したが、876cm−1の所には帯が存在しない。非晶質形態は約750cm−1の所に単一の幅広い帯を示し、形態AおよびBは両方ともが約768cm−1および743cm−1の所に2つの最大値を示す。
下記のTGデータを得た:
形態A:25−138℃の温度範囲の時に4.2%の重量損失(エタノール+若干の水)および25−200℃の温度範囲の時に6.9%の重量損失(エタノール+CO2)が起こることを観察した。エタノール損失速度は120℃の時が最大であった。CO2損失は化学的劣化によるものであり、これは約190℃の時に見られた。
形態B:25−78℃の温度範囲の時に3.4%の重量損失(水)および25−110℃の温度範囲の時に5.1%の重量損失[エタノール+水(温度>78℃の時)]が起こることを観察した。110−200℃で更に1.1重量%の損失が起こった(エタノール)。
形態C:25−83℃の温度範囲の時に2.1%の重量損失(水+メタノール)および25−105℃の温度範囲の時に4.2%の重量損失[温度>83℃の時にメタノール、個別段階]が起こることを観察した。105−200℃で更に2.1重量%の損失が起こった(メタノール)。エタノールは気相中に全く観察されなかった。
形態D:25−50℃の温度範囲の時に0.1%の重量損失を観察し、25−108℃の温度範囲の時に4.2%の重量損失[アセトン+エタノール(温度>50℃の時)]を観察し、25−157℃の温度範囲の時に8.2%の重量損失[アセトン+エタノール(温度>108℃の時)]を観察しそして25−240℃の温度範囲の時に10.5%の重量損失[アセトン+エタノール(温度>157℃の時)]を観察した。
形態E:25−75℃の温度範囲の時に0.2%の重量損失(水)を観察し、25−108℃の温度範囲の時に1.8%の重量損失[ジクロロメタン+エタノール(温度>75℃の時)]を観察し、25−157℃の温度範囲の時に6.8%の重量損失[ジクロロメタン+エタノール(温度>108℃の時)]を観察しそして25−240℃の温度範囲の時に8.8%の重量損失[ジクロロメタン+エタノール(温度>157℃の時)]を観察した。
形態F:25−50℃の温度範囲の時に0.1%の重量損失(恐らくは水)を観察し、25−108℃の温度範囲の時に1.7%の重量損失[酢酸エチル+エタノール(温度>50℃の時)]を観察し、25−157℃の温度範囲の時に6.6%の重量損失[酢酸エチル+エタノール(温度>108℃の時)]を観察しそして25−240℃の温度範囲の時に9%の重量損失[酢酸エチル+エタノール(温度>157℃の時)]を観察した。
形態G:25−50℃の温度範囲の時に観察した重量損失は0.0%であり、25−108℃の温度範囲の時に3.7%の重量損失[1−メトキシ−2−プロパノール+エタノール(温度>50℃の時)、個別段階]を観察し、25−157℃の温度範囲の時に8%の重量損失[1−メトキシ−2−プロパノール+エタノール(温度>108℃の時)]を観察しそして25−240℃の温度範囲の時に12.5%の重量損失[1−メトキシ−2−プロパノール+エタノール(温度>157℃の時)]を観察した。
形態H:25−100℃の温度範囲の時に0.8%の重量損失(アニソール+若干のエタノール)を観察し、そして25−200℃の温度範囲の時に8.8%の重量損失[アニソール+エタノール(温度>100℃の時)]を観察した。
形態I:25−89℃の温度範囲の時に0.3%の重量損失(水)を観察し、そして25−200℃の温度範囲の時に11.0%の重量損失[テトラヒドロフラン(温度>89℃の時)]を観察した。エタノールは気相中に全く観察されなかった。
・ 初期温度:室温
・ 加熱速度:20℃/分
・ 分析係数:4
・ 最終条件:300℃または<80[(重量/重量)%]
前記サンプルが示したTG曲線を図16に示す。
・ 初期温度:25℃
・ 加熱速度:10℃/分
・ 最終温度:150℃
・ 窒素流量:30ml/分
形態Aは約104.6℃の所に吸熱シグナルを示し、そしてエタノラートの蒸発および製品の溶融によって起こる融解熱は95.8J/gであった。ADS/DES後の形態Aはエタノラート形態Aと水和形態Bの混合物に由来する幅広い吸熱シグナルを示した。ADS/DES水和試験後の形態Aは約73.5℃の所に吸熱シグナルを示し、そして水の蒸発および製品の溶融によって起こる融解熱は126J/gであった。サーモグラフ曲線を図15に示す。
VTI蒸気収着分析装置モデルSGA100に形態Aを約23mg移して、大気湿度に関係した重量変化を下記の条件下で記録した:
・ 乾燥温度:40℃
・ 平衡状態:5分または60分で≦0.05%
・ データ間隔:0.05%または2分
・ 温度:25℃
・ 1番目のサイクル
RH(%)吸着:5、10、20、30、40、50、60、70、80、90、95
RH(%)脱離:95、90、80、70、60、50、40、30、20、10、5
・ 2番目のサイクル
RH(%)吸着:5、10、20、30、40、50、60、70、80、90、95
RH(%)脱離:95、90、80、70、60、50、40、30、20、10、5
乾燥段階時に約0.6重量%の損失を記録した。得た乾燥製品は吸湿性ではなく、それが高い相対湿度下で吸着した水の量は0.7%以下であった。脱離サイクル中に記録した重量損失は1.4%であり、このことは、その製品がエタノラートを失ったことを示していた。ADS/DES後に得た製品はエタノラート形態と水和形態の混合物であった。
吸着−脱離水和試験
VTI蒸気収着分析装置モデルSGA100に形態Aを約23mg移して、大気湿度に関係した重量変化を下記の条件下で記録した:
・ 平衡状態:5分または90分で≦0.0005%
・ データ間隔:0.05%または2分
・ 温度:25℃
・ サイクル RH(%)吸着/脱離:5.95
このサイクルを11回繰り返す
この試験が終了した時点で記録した重量損失は5.2%であった。これはTG結果に匹敵していた(80℃以下でTG5.4%)。エタノラート形態が水和形態に移行した。そのADS/DES水和試験曲線を図19に示す。
・ 装置:Nicolet Magna 560 FTIR分光光度計
・ 走査数:32
・ 解像度:1cm−1
・ 波数範囲:4000から400cm−1
・ ベースライン補正:有り
・ 検出器:KBrウィンドウ付きDTGS
・ ビームスプリッター:KBr上のGe
・ アルカリハライド:KBr(臭化カリウム)
形態Kが示したIRスペクトルは、図21に示すように、結晶製品としてのメシレート溶媒和物が有する分子構造の振動様式を反映している。
・ ラマンモード:非分散ラマン
・ 装置:Nicolet FT−Ramanモジュール
・ 走査数:64
・ 解像度:4cm−1
・ 波数範囲:3700から100cm−1
・ レーザー:Nd:YV04
・ レーザー周波数:1064cm−1
・ 検出器:InGaAs
・ ビームスプリッター:CaF2
・ サンプル幾何:180゜反射
・ 偏光:無し
形態Kが示したラマンスペクトルは、図22に示すように、結晶製品としてのメシレートが有する分子構造の振動様式を反映している。
・ 初期温度:25℃
・ 加熱速度:10℃/分
・ 最終温度:200℃
・ 窒素流量:50ml/分
そのDSC曲線は、図23に示すように、結晶製品が分解を伴って溶融することを示している。形態Kの溶融は158.4℃で起こる。分解が起こったことから、その製品が示す結晶特性を示す目的で使用可能なのは融解熱の計算のみであった。
・ 初期温度:室温
・ 加熱速度:20℃/分
・ 分析係数:4
・ 最終条件:300℃または<80[(重量/重量)%]
そのTG曲線を図24に示す。60℃までに約0.2%の重量損失が溶媒の蒸発が原因で起こった。140℃を超える温度で起こった重量損失は製品が蒸発および分解を起こしたことによるものであった。
VTI蒸気収着分析装置モデルSGA100に形態Kを約21mg移して、大気湿度に関係した重量変化を下記の条件下で記録した:
乾燥温度:40℃
平衡状態:5分または60分で≦0.05%
データ間隔:0.05%または2.0分
温度:25℃
1番目のサイクル
RH(%)吸着:5、10、20、30、40、50、60、70、80、90、95
RH(%)脱離:95、90、80、70、60、50、40、30、20、10、5
2番目のサイクル
RH(%)吸着:5、10、20、30、40、50、60、70、80、90、95
RH(%)脱離:95、90、80、70、60、50、40、30、20、10、5
吸着−脱離等温線を図25に示す。形態Kは吸湿性である。初期乾燥段階時に記録した重量損失は0.3%であり、これはTG結果に匹敵していた。形態Kが高い相対湿度下で吸着した水の量は1.5%以下であった。その製品は脱離サイクル中に完全に乾燥した。
Claims (16)
- (1S,2R)−3−[[(4−アミノフェニル)スルホニル](イソブチル)アミノ]−1−ベンジル−2−ヒドロキシプロピルカルバミン酸(3R,3aS,6aR)−ヘキサヒドロフロ[2,3−b]フラン−3−イルのエタノラート疑似多形体。
- 化合物とエタノールの比率が(5:1)から(1:5)の範囲である請求項1に記載の疑似多形体。
- 化合物とエタノールの比率が(0.2:1)から(3:1)の範囲である請求項1に記載の疑似多形体。
- 化合物とエタノールの比率が(1:1)から(2:1)の範囲である請求項1に記載の疑似多形体。
- 化合物とエタノールの比率が1:1である請求項4に記載の疑似多形体。
- 追加的に水分子も含んで成る請求項1から5のいずれか1項記載の疑似多形体。
- 請求項1から6のいずれか1項記載のエタノラート疑似多形体を生じさせる方法であって、(1S,2R)−3−[[(4−アミノフェニル)スルホニル](イソブチル)アミノ]−1−ベンジル−2−ヒドロキシプロピルカルバミン酸(3R,3aS,6aR)−ヘキサヒドロフロ[2,3−b]フラン−3−イルを、エタノールとまたは水とエタノールの混合物と一緒にし、そして結晶化を誘発する段階を含んで成る方法。
- エタノラート疑似多形体が、(1S,2R)−3−[[(4−アミノフェニル)スルホニル](イソブチル)アミノ]−1−ベンジル−2−ヒドロキシプロピルカルバミン酸(3R,3aS,6aR)−ヘキサヒドロフロ[2,3−b]フラン−3−イルのイソプロパノラートから出発して製造される、請求項7に記載の方法。
- 哺乳動物においてHIVプロテアーゼ活性を阻害する薬剤の製造における請求項1から6のいずれか1項記載の疑似多形体の使用。
- (1S,2R)−3−[[(4−アミノフェニル)スルホニル](イソブチル)アミノ]−1−ベンジル−2−ヒドロキシプロピルカルバミン酸(3R,3aS,6aR)−ヘキサヒドロフロ[2,3−b]フラン−3−イルの水和物疑似多形体。
- 化合物と水の比率が(5:1)から(1:5)の範囲である請求項10に記載の疑似多形体。
- 化合物と水の比率が(0.2:1)から(3:1)の範囲である請求項10に記載の疑似多形体。
- 化合物と水の比率が(1:1)から(2:1)の範囲である請求項10に記載の疑似多形体。
- 化合物と水の比率が1:1である請求項13に記載の疑似多形体。
- 請求項10から14のいずれか1項記載の水和物疑似多形体を生じさせる方法であって、(1S,2R)−3−[[(4−アミノフェニル)スルホニル](イソブチル)アミノ]−1−ベンジル−2−ヒドロキシプロピルカルバミン酸(3R,3aS,6aR)−ヘキサヒドロフロ[2,3−b]フラン−3−イルを、水とまたは水と水混和性有機溶媒との混合物と一緒にし、そして結晶化を誘発する段階を含んで成る方法。
- 哺乳動物においてHIVプロテアーゼ活性を阻害する薬剤の製造における請求項10から14のいずれか1項記載の疑似多形体の使用。
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EP02076929.5 | 2002-05-16 | ||
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PCT/EP2003/050176 WO2003106461A2 (en) | 2002-05-16 | 2003-05-16 | Pseudopolymorphic forms of a hiv protease inhibitor |
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BRPI0607827B8 (pt) | 2005-02-25 | 2021-05-25 | Janssen R & D Ireland | composto precursor de inibidor de protease, processo para a produção do referido composto e seu uso |
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JP2013509400A (ja) * | 2009-10-30 | 2013-03-14 | ルパン リミテッド | ダルナビルの新規調製方法および微粒子径のダルナビルエタノール付加物 |
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