JP2021527647A - エキノカンジン抗真菌剤の合成 - Google Patents
エキノカンジン抗真菌剤の合成 Download PDFInfo
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- JP2021527647A JP2021527647A JP2020569779A JP2020569779A JP2021527647A JP 2021527647 A JP2021527647 A JP 2021527647A JP 2020569779 A JP2020569779 A JP 2020569779A JP 2020569779 A JP2020569779 A JP 2020569779A JP 2021527647 A JP2021527647 A JP 2021527647A
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- acetonitrile
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- 235000002906 tartaric acid Nutrition 0.000 description 1
- 239000011975 tartaric acid Substances 0.000 description 1
- 229960001367 tartaric acid Drugs 0.000 description 1
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- WROMPOXWARCANT-UHFFFAOYSA-N tfa trifluoroacetic acid Chemical compound OC(=O)C(F)(F)F.OC(=O)C(F)(F)F WROMPOXWARCANT-UHFFFAOYSA-N 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
- GBXQPDCOMJJCMJ-UHFFFAOYSA-M trimethyl-[6-(trimethylazaniumyl)hexyl]azanium;bromide Chemical compound [Br-].C[N+](C)(C)CCCCCC[N+](C)(C)C GBXQPDCOMJJCMJ-UHFFFAOYSA-M 0.000 description 1
- 238000007738 vacuum evaporation Methods 0.000 description 1
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- 239000002699 waste material Substances 0.000 description 1
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Classifications
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K7/00—Peptides having 5 to 20 amino acids in a fully defined sequence; Derivatives thereof
- C07K7/64—Cyclic peptides containing only normal peptide links
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K7/00—Peptides having 5 to 20 amino acids in a fully defined sequence; Derivatives thereof
- C07K7/50—Cyclic peptides containing at least one abnormal peptide link
- C07K7/54—Cyclic peptides containing at least one abnormal peptide link with at least one abnormal peptide link in the ring
- C07K7/56—Cyclic peptides containing at least one abnormal peptide link with at least one abnormal peptide link in the ring the cyclisation not occurring through 2,4-diamino-butanoic acid
-
- 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
- C07D487/12—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 three hetero rings
- C07D487/14—Ortho-condensed systems
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K38/00—Medicinal preparations containing peptides
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/0012—Galenical forms characterised by the site of application
- A61K9/0019—Injectable compositions; Intramuscular, intravenous, arterial, subcutaneous administration; Compositions to be administered through the skin in an invasive manner
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Genetics & Genomics (AREA)
- Biochemistry (AREA)
- Biophysics (AREA)
- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Molecular Biology (AREA)
- Proteomics, Peptides & Aminoacids (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
- Peptides Or Proteins (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Abstract
【選択図】なし
Description
定義
さらに、塩または中性形態の化合物1を含む医薬組成物は、0.5%〜3%(w/w)の糖類を含み得る。本発明の方法で使用される塩または中性形態の化合物1を含む医薬組成物に含まれ得る糖類の例としては、これらに限定されないが、マンニトール、スクロース、トレハロース、フルクトース、グルコース、デキストロース、デキストラン、ラクトース及びソルビトールが挙げられる。
アニデュラファンギンフェニルボロン酸エステル:
アニデュラファンギン(5g)を含むテトラヒドロフラン(70mL)溶液に、フェニルボロン酸(0.7g)を含むテトラヒドロフラン(30mL)溶液を添加した。この反応混合物を室温で90分間撹拌した。反応混合物を回転蒸発により濃縮した。得られた固体をテトラヒドロフラン(60mL)に溶解し、回転蒸発により濃縮した。得られた固体を再びテトラヒドロフラン(60mL)に溶解し、回転蒸発により濃縮した。得られた固体混合物をアセトニトリル/テトラヒドロフラン(30mL/15mL)に再溶解し、回転蒸発により濃縮した。得られたアニデュラファンギンフェニルボロン酸エステル固体を一晩真空乾燥させた。
塩化コリンの乾燥:
抱合:
精製:
反応は、ボロン酸を4−(トリフルオロメチル)フェニルボロン酸に変更したこと及び反応時間が24時間であることを除いて、実施例1のプロセスと同様の200mgスケールで実施した。結果:化合物1 63%;化合物1β−ジアステレオマー7.0%。
反応は、ボロン酸を2,6−ジメチルフェニルボロン酸へ変更したことを除いて、実施例1のプロセスと同様の200mgスケールで実施した。結果:化合物155%;化合物1 β−ジアステレオマー7.4%。
反応は、ボロン酸を3,4−ジメトキシフェニルボロン酸に置き換えることを除いて、実施例1のプロセスと同様の200mgスケールで実施した。このプロセスの再現性を確立するために、試行1〜3を実施した。試行4は、(実施例1で使用した30当量ではなく)10当量の塩化コリンを使用して実施した。試行5は、(実施例1に記載した室温ではなく)40℃で実施した。結果は、以下の表1に提供する。
抱合ステップにおいて化学量論量(1.05当量)の3,4−ジメトキシフェニルボロン酸を使用することの効果を調べた。反応は、500mgのアニデュラファンギン投入物で実施し、ボロン酸を3,4−ジメトキシフェニルボロン酸に置き換えることを除いて、実施例1で前述したように実施した。結果は、以下の表2に提供する。
塩化コリンの乾燥:
塩化コリン(185g)を2−メチルテトラヒドロフラン(500ml)に懸濁し、室温で1時間撹拌した。溶媒は、ほぼ乾燥するまで真空除去し、次に70〜75℃で1時間真空乾燥させた。
アニデュラファンギン(50g)、3,4−ジメトキシフェニルボロン酸(10.37g)、及びテトラヒドロフラン(250ml)を1000mLの丸底フラスコに充填した。懸濁液は、室温で1.5時間撹拌した。溶媒は、真空除去した。得られた固体を2−メチルテトラヒドロフラン(400mL)に可溶化し、溶媒を真空蒸発させた。このプロセスをもう一度繰り返した。
乾燥塩化コリン(73.6g)、アセトニトリル(200mL)、トリフルオロ酢酸(48mL)を組み合わせた。懸濁液を10分間撹拌した。第2の反応器において、乾燥したアニデュラファンギンボロン酸エステル(25.6g)及び乾燥テトラヒドロフラン(150mL)を組み合わせ、これらの材料が完全に可溶化するまで(30分)室温で撹拌した。塩化コリンの酸性溶液を、撹拌させたボロン酸エステル溶液に30分かけて添加した。得られた懸濁液を室温で3時間撹拌し、次に10℃以下まで冷却し、70/30の水:アセトニトリル混合物(560mL)を添加することによりクエンチした。粗反応混合物のpHは、冷却させた半希釈水酸化アンモニウム溶液(典型的には、80〜82mL)をゆっくりと添加することにより、2.0〜2.2の範囲内に調整した。粗溶液は、70/30水:アセトニトリル溶液により希釈して、最終容量2000mLとした。粗溶液の化合物1β−ジアステレオマー含有量は3.7%であり、化合物1エピマー含有量は0.43%であった。
ボロン酸エステルを調製し、実施例6に報告されている条件を使用して、アセトニトリル中の塩化コリンとカップリングさせた。反応は2〜3時間で完了し、化合物1:化合物1β−ジアステレオマー約96:4の混合物を形成した。この比率は、反応の最後に追加のアセトニトリル(アニデュラファンギンに対して20〜50容量)により反応混合物を希釈することにより98:2より高くなるように改善させ、これによりα異性体が沈殿し、結果としてβ異性体がα異性体に変換する。次に、反応をアンモニア水/酢酸アンモニウムによりクエンチして、pH4とした。化合物1トリフルオロ酢酸塩の粗収率は75〜80%であった。
ボロン酸エステルスラリーの合成:
1000mL反応器に以下を充填した:テトラヒドロフラン(250mL)、アニデュラファンギン(25g)、3,4−ジメトキシフェニルボロン酸(5.25g)。懸濁液は、室温で1時間撹拌した。ジャケット温度を30〜35℃に設定し、真空をかけ、テトラヒドロフランの蒸留を開始した。蒸留中に反応器内での一定の容量を維持するために、テトラヒドロフランの部分的(62.5mL)添加を行った。合計1250mLのテトラヒドロフランを蒸留した。次に、アセトニトリル(500mL)を充填し、蒸留を再開した。約600mLのテトラヒドロフラン/アセトニトリル混合物を蒸留した。追加のアセトニトリル(250mL)を充填し、250mLのアセトニトリル/テトラヒドロフラン混合物を真空蒸留した。反応器の内容物を18〜22℃まで冷却した。
アセトニトリル(57.5mL)、塩化コリン(52.5g)、トリフルオロ酢酸(32.5mL)、及び無水トリフルオロ酢酸(2.0mL)を250mL丸底フラスコに充填した。混合物を18〜22℃で1時間撹拌した。
酸性塩化コリン溶液を、ボロン酸エステルのスラリーを含む反応器に移した。混合して1.75〜2.00時間後、アセトニトリル(285mL)を反応混合物に添加し、10〜15℃で1時間撹拌した。次に、追加のアセトニトリル(285mL)を添加した。化合物1β−ジアステレオマーの割合(%)が2.0%より多い場合、追加のアセトニトリル(142mL)を添加した。0.5時間後、冷酢酸アンモニウム溶液(143mL)を添加し、その後9M冷水酸化アンモニウム水溶液(28.7mL)をゆっくりと添加して反応をクエンチし、温度を15℃未満に維持し、pHを4.0〜4.7の範囲にした。化合物1トリフルオロ酢酸塩の粗収率は75〜80%であり、化合物1β−ジアステレオマーは2%未満であった。
テトラヒドロフラン(700mL)及びアニデュラファンギン(108.44g)を1Lの反応器に充填した。次に、3,4−ジメトキシフェニルボロン酸(21.0g)を充填し、混合物を18〜22℃で撹拌した。反応混合物を、テトラヒドロフランの蒸留及び新鮮なテトラヒドロフラン(7.0L)の同時添加により噴霧乾燥させた。アセトニトリル(2.1L)の添加及び同時真空蒸留により、アセトニトリルへの定容溶媒交換を行った。アセトニトリルへ完全に変換した後、さらに蒸留を行って容量を420mLまで減少させた。
結果:化合物1、76.8%、化合物1β−ジアステレオマー、0.8%。
本明細書において言及されるすべての刊行物、特許、及び特許出願は、独立した刊行物、または特許出願のそれぞれが具体的に個別に参照により組み込まれることが示されていると同程度に、参照によって本明細書に組み込まれる。
Claims (36)
- 前記混合物の濃度が、前記式(I)の化合物に対して、少なくとも0.01モル/Lである、請求項1に記載の方法。
- 前記ステップ(c)が、テトラヒドロフラン及びアセトニトリルの混合物を含む溶媒系中で混合物を形成することを含む、請求項1または2に記載の方法。
- 前記ステップ(c)が、前記コリンの塩の少なくとも10モル当量及びアニデュラファンギンの前記ボロン酸エステルの少なくとも1モル当量を含む混合物を形成することを含む、請求項1〜3のいずれか1項に記載の方法。
- 前記ステップ(c)が、40℃未満の温度で実施される、請求項1〜4のいずれか1項に記載の方法。
- 前記ステップ(c)が、前記式(I)の化合物の少なくとも50%が沈殿されている混合物を形成することを含む、請求項1〜5のいずれか1項に記載の方法。
- Rが、C6〜C10アリールである、請求項1〜6のいずれか1項に記載の方法。
- Rが、置換または非置換のC6アリールである、請求項1〜7のいずれか1項に記載の方法。
- Rが、C1〜C6アルキルである、請求項1〜6のいずれか1項に記載の方法。
- Arが、フェニル、3,4−ジメトキシフェニル、2,6−ジメチルフェニル、及び4−トリフルオロメチルフェニルから選択される、請求項10に記載の方法。
- Arが、3,4−ジメトキシフェニルである、請求項10または11に記載の方法。
- Arが、2,6−ジメチルフェニルである、請求項10または11に記載の方法。
- Arが、4−トリフルオロメチルフェニルである、請求項10または11に記載の方法。
- 前記ステップ(c)が、コリンの前記塩の少なくとも10モル当量とアニデュラファンギンの前記ボロン酸エステルの少なくとも1モル当量とを組み合わせることを含む、請求項10に記載の方法。
- 前記第1の組成物が、アセトニトリル、ブチロニトリル、テトラヒドロフラン、または2−メチルテトラヒドロフラン、またはそれらの混合物から選択される有機溶媒に溶解したアニデュラファンギンの前記ボロン酸エステルの溶液を含む、請求項1〜15のいずれか1項に記載の方法。
- 前記第2の組成物が、アセトニトリル及びトリフルオロ酢酸の混合物に溶解されたコリンの前記塩の溶液を含む、請求項1〜16のいずれか1項に記載の方法。
- 前記第2の組成物が、アセトニトリル、トリフルオロ酢酸、及び無水トリフルオロ酢酸の混合物に溶解されたコリンの前記塩の溶液を含む、請求項1〜16のいずれか1項に記載の方法。
- 前記第2の組成物が、アセトニトリル及び酢酸の混合物に溶解されたコリンの前記塩の溶液を含む、請求項1〜16のいずれか1項に記載の方法。
- 前記第2の組成物が、アセトニトリル、酢酸、及び無水トリフルオロ酢酸の混合物に溶解されたコリンの前記塩の溶液を含む、請求項1〜16のいずれか1項に記載の方法。
- 前記ステップ(c)が、前記混合物にアセトニトリルを添加して、β−ジアステレオマーのレベルを減少させることをさらに含む、請求項1〜20のいずれか1項に記載の方法。
- 前記混合物が、40℃未満の温度で形成される、請求項1〜21のいずれか1項に記載の方法。
- 前記ステップ(d)が、約80:20〜50:50の水:アセトニトリル混合物のアニデュラファンギンに対して少なくとも5容量で希釈することと、塩基によりpHを2〜5のpHに調整することと、を含む、請求項1〜22のいずれか1項に記載の方法。
- 前記ステップ(d)が、70%より多い化合物1及び4%未満の化合物1β−ジアステレオマーを含む反応生成物を形成することを含む、請求項1〜23のいずれか1項に記載の方法。
- 前記ステップ(d)が、70%より多い化合物1、2%未満の化合物1β−ジアステレオマー、及び1%未満の化合物1エピマーを含む反応生成物を形成することを含む、請求項1〜23のいずれか1項に記載の方法。
- 前記加水分解させることが、式(IIa)の化合物を水性塩基と接触させることを含む、請求項26に記載の方法。
- 前記加水分解させることが、約80:20〜50:50の水:アセトニトリル混合物のアニデュラファンギンに対して少なくとも5容量で希釈することと、塩基によりpHを2〜5のpHに調整することと、を含む、請求項27に記載の方法。
- 前記加水分解させることが、15℃未満の温度で実施される、請求項27に記載の方法。
- 前記式(IIa)の化合物を加水分解させて、化合物1を形成した後、イオン交換カラムを通過させることにより、前記化合物1が3,4−ジメトキシフェニルボロン酸から分離される、請求項26〜29のいずれか1項に記載の方法。
- 前記式(IIa)の化合物を加水分解して化合物1を形成することは、100g〜50kgの化合物1を生成するスケールで実施される、請求項26〜30のいずれか1項に記載の方法。
- 薬学的に許容される賦形剤と前記化合物1を組み合わせることによって、医薬組成物を生成することをさらに含む、請求項1〜31のいずれか1項に記載の方法。
- 前記医薬組成物が、局所または非経口内投与用に配合される、請求項32に記載の方法。
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