JP2017527824A - 表面多孔性粒子(spp)上に結合した、高効率で、超安定な親水性相互作用クロマトグラフィー(hilic)基材 - Google Patents
表面多孔性粒子(spp)上に結合した、高効率で、超安定な親水性相互作用クロマトグラフィー(hilic)基材 Download PDFInfo
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- JP2017527824A JP2017527824A JP2017523196A JP2017523196A JP2017527824A JP 2017527824 A JP2017527824 A JP 2017527824A JP 2017523196 A JP2017523196 A JP 2017523196A JP 2017523196 A JP2017523196 A JP 2017523196A JP 2017527824 A JP2017527824 A JP 2017527824A
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- interaction chromatography
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- QTUOYBXDUHAXBB-UHFFFAOYSA-N diphosphanium sulfate Chemical compound [PH4+].[PH4+].[O-]S([O-])(=O)=O QTUOYBXDUHAXBB-UHFFFAOYSA-N 0.000 description 1
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- NLWBJPPMPLPZIE-UHFFFAOYSA-N methyl 4-(bromomethyl)benzoate Chemical compound COC(=O)C1=CC=C(CBr)C=C1 NLWBJPPMPLPZIE-UHFFFAOYSA-N 0.000 description 1
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Abstract
Description
本出願は、2014年7月17日に出願された、米国仮特許出願第62/025,990号に対する優先権の利益を主張し、その内容が参照により本明細書に組み込まれる。
HILIC選択剤の各クラスに関する代表的/例示的な構造を図4〜8に示す。
シクロフルクタンは、18〜24個のヒドロキシル基を有する環状オリゴ糖である。これらのヒドロキシル基は、シクロフルクタン(またはシクロフルクタン誘導体)をSPPシリカに共有結合させるための、反応性官能基として使用することができる。シクロフルクタンは、ネイティブ形態で、または誘導体化形態で、HILIC選択剤として使用することができる。シクロフルクタン分子の誘導体化は、SPPシリカ上へのシクロフルクタン分子の固定化の前に行ってもよく、または後に行ってもよい。誘導体化基は、典型的には、C1〜C30直鎖アルカン、C1〜C30分岐アルカン、C1〜C30不飽和アルカン、C1〜C30環状アルカン、またはヘテロ原子(例えば、N、S、O)を含むC1〜C30の直鎖および/もしくは環状アルカンであるが、これらに限定されず、前記誘導体化基は、数々の化学結合(例えば、エーテル結合、カルバメート結合、チオエーテル結合、チオカルバメート結合、エステル結合、トリアゾール結合、および尿素結合)によってシクロフルクタンに結合させる。
シクロデキストリンは、18〜24個のヒドロキシル基を有する環状オリゴ糖である。これらのヒドロキシル基は、シクロデキストリン(またはシクロデキストリン誘導体)をSPPシリカに共有結合させるための、反応性官能基として使用することができる。シクロデキストリンは、ネイティブ形態で、または誘導体化形態で、HILIC選択剤として使用することができる。シクロデキストリン分子の誘導体化は、SPPシリカ上へのシクロデキストリン分子の固定化の前に行ってもよく、または後に行ってもよい。上述のように、誘導体化基は、典型的には、C1〜C30直鎖アルカン、C1〜C30分岐アルカン、C1〜C30不飽和アルカン、C1〜C30環状アルカン、またはヘテロ原子(例えば、N、S、O)を含むC1〜C30の直鎖および/もしくは環状アルカンであるが、これらに限定されず、上述のように、前記誘導体化基は、数々の化学結合(例えば、エーテル結合、カルバメート結合、チオエーテル結合、チオカルバメート結合、エステル結合、トリアゾール結合、および尿素結合)によってシクロデキストリンに結合させる。
大環状糖ペプチド(例えば、テイコプラニン、ボロマイシン、リストセチンA、ダルババシン、およびバンコマイシン)は、糖ペプチド(または糖ペプチドアナログ、例えばテイコプラニンアグリコン)をSPPシリカに共有結合させるために使用することができる、アミン官能基およびヒドロキシル官能基を有している。大環状糖ペプチドをSPPシリカ上に化学的に固定化するために使用することができる、数々の結合化学反応が存在する(例えば、エーテル、カルバメート、チオエーテル、チオカルバメート、エステル、トリアゾール、および尿素)。下記に、HILIC選択剤のモデルとしてテイコプラニンを用いた、結合戦略の例を示す。
荷電型またはイオン型の、安定な、結合したHILIC固定相は、数々の合成技術および結合技術によって作製することができる。ここで、多点結合によってSPPシリカに結合した、アニオン性シクロフルクタンに基づくHILIC固定相を製造するための、誘導体化および結合戦略の例を示す。示されるHILIC選択剤の第1のモデルは、安息香酸官能化シクロフルクタン6である。実施例は、数々のイオン性SPP HILIC相を製造するために使用することができる技術を示す。
両性イオン性HILIC相は、HILICリガンドを浸出から保護する何らかの措置を講じない限り、加水分解に対して不安定である。そのためのいくつかの手法が、(前述したように)存在する。本実施例において、硫酸ホスホニウム両性イオン(3−P,P−ジフェニルホスホニウムプロピルスルホネート)は、バイポーダルシランを使って、SPPシリカに、安定的な形態で化学結合させる。具体的には、空気の入らない条件下で、25.8mLの0.5Mカリウムジフェニルホスフィドを500mL丸底フラスコ中に移した。次に、アルゴン下で、前記ホスフィドの撹拌を行いながら、120mLの無水THFを加えた。10mLの無水THFに溶解した2.35gのプロパンスルトンをゆっくり加えることによって、前記ホスフィドを両性イオンに変換した。前記スルトンは、3.3分間、一滴ずつ加えた。得られた白色の懸濁液を、(両性イオンをさらに沈殿させるために)冷凍庫中で保管した。白色の懸濁液を、アルゴン下で、ガラスフリット漏斗でろ過し、ジエチルエーテルで洗浄した。
Claims (27)
- HILIC選択剤に結合した表面多孔性粒子(SPP)を含む、共有結合した、超安定な親水性相互作用クロマトグラフィー(HILIC)相。
- SPPが、約0.5μm〜約20μmの粒子径を有する、請求項1に記載の、共有結合した、超安定な親水性相互作用クロマトグラフィー(HILIC)相。
- SPPが、約1.3μm〜約10μmの粒子径を有する、請求項1に記載の、共有結合した、超安定な親水性相互作用クロマトグラフィー(HILIC)相。
- SPPが、約1.7μm〜約5.0μmの粒子径を有する、請求項1に記載の、共有結合した、超安定な親水性相互作用クロマトグラフィー(HILIC)相。
- SPPが、約1.7、約2.7、および約4.0μmからなる群から選択される粒子径を有する、請求項1に記載の、共有結合した、超安定な親水性相互作用クロマトグラフィー(HILIC)相。
- SPPが、約1.7μmの粒子径を有する、請求項1に記載の、共有結合した、超安定な親水性相互作用クロマトグラフィー(HILIC)相。
- SPPが、約2.7μmの粒子径を有する、請求項1に記載の、共有結合した、超安定な親水性相互作用クロマトグラフィー(HILIC)相。
- SPPが、約4.0μmの粒子径を有する、請求項1に記載の、共有結合した、超安定な親水性相互作用クロマトグラフィー(HILIC)相。
- SPPが、約100Å〜約300Åのポアサイズを有する、請求項1に記載の、共有結合した、超安定な親水性相互作用クロマトグラフィー(HILIC)相。
- SPPが、約100Å〜約150Åのポアサイズを有する、請求項1に記載の、共有結合した、超安定な親水性相互作用クロマトグラフィー(HILIC)相。
- SPPが、約110Å〜約130Åのポアサイズを有する、請求項1に記載の、共有結合した、超安定な親水性相互作用クロマトグラフィー(HILIC)相。
- SPPが、約120Åのポアサイズを有する、請求項1に記載の、共有結合した、超安定な親水性相互作用クロマトグラフィー(HILIC)相。
- SPPが、約150m2/g〜約500m2/gの表面積を有する、請求項1に記載の、共有結合した、超安定な親水性相互作用クロマトグラフィー(HILIC)相。
- SPPが、約120m2/gの表面積を有する、請求項1に記載の、共有結合した、超安定な親水性相互作用クロマトグラフィー(HILIC)相。
- HILIC選択剤が、炭水化物および誘導体、オリゴ糖および誘導体、環状オリゴ糖および誘導体、ペプチドおよび誘導体、糖ペプチドおよび誘導体、大環状糖ペプチドおよび誘導体、荷電型またはイオン型、ならびに両性イオン型からなる群から選択される、請求項1に記載の、共有結合した、超安定な親水性相互作用クロマトグラフィー(HILIC)相。
- HILIC選択剤が、シクロデキストリン、誘導体化シクロデキストリン、シクロフルクタン、誘導体化シクロフルクタン、テイコプラニン、バンコマイシン、テイコプラニンアグリコン、リストセチンA、ダルババシン、ボロマイシン、スルホン化シクロフルクタン(cyclofrutan)、スルホン化シクロデキストリン、および3−P,P−ジフェニルホスホニウムプロピルスルホネートからなる群から選択される、請求項15に記載の、共有結合した、超安定な親水性相互作用クロマトグラフィー(HILIC)相。
- HILIC選択剤が、ネイティブまたは誘導体化シクロフルクタン(cyclofrutan)、およびネイティブまたは誘導体化シクロデキストリンからなる群から選択される、請求項1に記載の、共有結合した、超安定な親水性相互作用クロマトグラフィー(HILIC)相。
- 誘導体化シクロフルクタン(cyclofrutan)および誘導体化シクロデキストリンの誘導体化基が、C1〜C30直鎖アルカン、C1〜C30分岐アルカン、C1〜C30不飽和アルカン、C1〜C30環状アルカン、ならびにヘテロ原子(例えば、N、S、O)を含むC1〜C30の直鎖および/または環状アルカンからなる群から選択される、請求項17に記載の、共有結合した、超安定な親水性相互作用クロマトグラフィー(HILIC)相)。
- 表面多孔性粒子(SPP)が、エーテル結合、カルバメート結合、チオエーテル結合、チオカルバメート結合、エステル結合、トリアゾール結合、または尿素結合によってHILIC選択剤に結合する、請求項1に記載の、共有結合した、超安定な親水性相互作用クロマトグラフィー(HILIC)相。
- 保持時間ドリフトが、3.0%未満の変化である、請求項1に記載の、共有結合した、超安定な親水性相互作用クロマトグラフィー(HILIC)相。
- 保持時間ドリフトが、1.0%未満の変化である、請求項1に記載の、共有結合した、超安定な親水性相互作用クロマトグラフィー(HILIC)相。
- 表面多孔性粒子(SPP)に共有結合した、高効率で、超安定な親水性相互作用クロマトグラフィー(HILIC)基材を含む、表面多孔性粒子(SPP)。
- 基材が、HILIC選択剤を含む、請求項22に記載の表面多孔性粒子(SPP)。
- 全多孔性粒子(FPP)上の同様の固定相に比べて、より高い効率およびより短い保持時間を有する、加水分解に安定な、高選択性表面多孔性粒子(SPP)親水性相互作用液体クロマトグラフィー(HILIC)固定相。
- HILIC充填剤が、非修飾シリカではなく、それによって、SPP表面を溶解から保護し、かつ、むき出しの支持体およびシリカを含む全多孔性支持体に比べて、より広いHILIC選択性およびより高い効率を有する、請求項3に記載の、加水分解に安定な、高選択性SPP HILIC相。
- HILIC選択剤に結合した表面多孔性粒子(SPP)を含む、共有結合した、超安定な親水性相互作用クロマトグラフィー(HILIC)相に、分子を接触させることを含む、極性分子の分離方法。
- シクロデキストリン、誘導体化シクロデキストリン、シクロフルクタン、誘導体化シクロフルクタン、テイコプラニン、バンコマイシン、テイコプラニンアグリコン、リストセチンA、ダルババシン、ボロマイシン、スルホン化シクロフルクタン(cyclofrutan)、スルホン化シクロデキストリン、および3−P,P−ジフェニルホスホニウムプロピルスルホネートからなる群から選択されるHILIC選択剤を選択すること、キラル選択剤を表面多孔性粒子に共有結合させること、およびそれによって超安定なHILIC SPP固定相を得ること、を含む、HILIC選択剤に結合した表面多孔性粒子(SPP)を含む、超安定な親水性相互作用クロマトグラフィー(HILIC)相の製造方法。
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