JP6768790B2 - 超臨界流体クロマトグラフィーのための、イオン対結合相を含む高純度クロマトグラフィー材料 - Google Patents
超臨界流体クロマトグラフィーのための、イオン対結合相を含む高純度クロマトグラフィー材料 Download PDFInfo
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- JP6768790B2 JP6768790B2 JP2018508618A JP2018508618A JP6768790B2 JP 6768790 B2 JP6768790 B2 JP 6768790B2 JP 2018508618 A JP2018508618 A JP 2018508618A JP 2018508618 A JP2018508618 A JP 2018508618A JP 6768790 B2 JP6768790 B2 JP 6768790B2
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- FTDRQHXSYGDMNJ-UHFFFAOYSA-N trimethoxy(3-pyrrol-1-ylpropyl)silane Chemical compound CO[Si](OC)(OC)CCCN1C=CC=C1 FTDRQHXSYGDMNJ-UHFFFAOYSA-N 0.000 description 1
- 239000005051 trimethylchlorosilane Substances 0.000 description 1
- UCPYLLCMEDAXFR-UHFFFAOYSA-N triphosgene Chemical compound ClC(Cl)(Cl)OC(=O)OC(Cl)(Cl)Cl UCPYLLCMEDAXFR-UHFFFAOYSA-N 0.000 description 1
- 238000010798 ubiquitination Methods 0.000 description 1
- 230000034512 ubiquitination Effects 0.000 description 1
- 150000003672 ureas Chemical group 0.000 description 1
- 210000002700 urine Anatomy 0.000 description 1
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Description
本発明は、例えば、クロマトグラフィー分離のための新規なクロマトグラフィー材料、これを調製するための方法、およびクロマトグラフィー材料を含有する分離装置を提供する。
各例のm、nおよびpは、独立して、0から18の整数であり;
各例のRおよびRaは、独立して、アルキル、アルケニル、アルキニル、アリール、シアノ、アミノ、ジオール、ニトロ、エステル、カチオンもしくはアニオン交換基、埋め込まれた極性官能基を含有するアルキルもしくはアリール基、またはキラル部分である。)
の1つの部分を含む。
a.遊離シラノール表面基を有するクロマトグラフィー材料を用意するステップ
b.シラノール表面基と、共有結合している表面修飾基とを反応させて、結合材料を得るステップ;および
c.生じた結合材料とイオン対試薬を反応させるステップ;
を含み、イオン対結合表面部分を有する高純度クロマトグラフィー材料を生成する、請求項2による高純度クロマトグラフィー材料を調製するための方法を提供する。
各例のm、nおよびpは、独立して、0から18の整数であり;
各例のRおよびRaは、独立して、アルキル、アルケニル、アルキニル、アリール、シアノ、アミノ、ジオール、ニトロ、エステル、カチオンもしくはアニオン交換基、埋め込まれた極性官能基を含有するアルキルもしくはアリール基、またはキラル部分であり;
Zは、
R1の各出現は、独立して、−H、−OH、−OR6、ジアルキルアミン、トリフレート、Br、Cl、I、ビニル、アルケンまたは−(CH2)m”Qを含む(がそれらに限定されない。)ケイ素上の化学的反応基を表し;
Qの各出現は、−OH、−OR6、アミン、アルキルアミン、ジアルキルアミン、イソシアネート、塩化アシル、トリフレート、イソシアネート、チオシアネート、イミダゾールカルボネート、NHS−エステル、カルボン酸、エステル、エポキシド、アルキン、アルケン、アジド、−Br、−Clまたは−Iであり;
m”は1−8の整数であり、
pは1−3の整数であり;
R1’の各出現は、独立して、F、C1−C18アルキル、C2−C18アルケニル、C2−C18アルキニル、C3−C18シクロアルキル、C1−C18ヘテロシクロアルキル、C5−C18アリール、C5−C18アリールオキシまたはC1−C18ヘテロアリール、フルオロアルキルまたはフルオロアリールを表し;
R6の各出現は、独立して、C1−C18アルキル、C2−C18アルケニル、C2−C18アルキニル、C3−C18シクロアルキル、C1−C18ヘテロシクロアルキル、C5−C18アリール、C5−C18アリールオキシまたはC1−C18ヘテロアリールを表す)
から選択される。
a)充填材料を収容するための円筒形内部を有するカラム、および
b)本発明の高純度クロマトグラフィー材料を含む充填クロマトグラフィーベッド
を含む、クロマトグラフカラムを提供する。
a)充填材料を収容するための内部チャネルおよび
b)本発明の高純度クロマトグラフィー材料を含む充填クロマトグラフィーベッド
を含む、クロマトグラフ装置を提供する。
a.)分離すべき試料を用意すること;
b.)本発明の高純度クロマトグラフィー材料を用意すること;
c.)超臨界流体条件下で高純度クロマトグラフィー材料を使用して、試料を分離すること
を含む、超臨界流体クロマトグラフィーを使用した試料を分離するための方法を提供する。
「高純度」または「高純度クロマトグラフィー材料」は、高純度の前駆体から調製される材料を含む。ある特定の態様において、高純度の材料は、低い金属汚染度、ならびに/または、これらに限定されないが、表面シラノールの酸度および表面の不均質性を含む、損なわれていないクロマトグラフの性質を有する。
本発明は、クロマトグラフィー表面を含む高純度クロマトグラフィー材料(HPCM)を提供し、クロマトグラフィー表面は、イオン対結合部分を含む。ある特定の態様において、HPCMのクロマトグラフィー表面は、共有結合している表面基も含む。ある特定の態様において、共有結合している表面基は、疎水性表面基である。
各例のm、nおよびpは、独立して、0から18の整数であり;
各例のRおよびRaは、独立して、アルキル、アルケニル、アルキニル、アリール、シアノ、アミノ、ジオール、ニトロ、エステル、カチオンもしくはアニオン交換基、埋め込まれた極性官能基を含有するアルキルもしくはアリール基、またはキラル部分である。)
から選択され得る。
本発明のHPCM材料は、さらに表面修飾されていてよい。
別の態様において、本発明は、順相クロマトグラフィー、高圧液体クロマトグラフィー、溶媒和ガスクロマトグラフィー、超臨界流体クロマトグラフィー、亜臨界流体クロマトグラフィー、二酸化炭素系クロマトグラフィー、親水性相互作用液体クロマトグラフィーもしくは共有結合相互作用液体クロマトグラフィー、またはこれらの組合せのためのカラムまたは試験装置を提供する。カラムまたは試験装置は、入口および出口を有するチャンバを画定する少なくとも1つの壁を有するハウジング、ならびに該ハウジング内に配置される本発明の実施形態のいずれかによる固定相を含む。この装置は、予め形成されたフリットを有し得、フリットは相互接続している材料により生成され、または装置はフリットを有さない。ハウジングおよび固定相は、順相クロマトグラフィー、高圧液体クロマトグラフィー、溶媒和ガスクロマトグラフィー、超臨界流体クロマトグラフィー、亜臨界流体クロマトグラフィー、二酸化炭素系クロマトグラフィー、親水性相互作用液体クロマトグラフィーもしくは共有結合相互作用液体クロマトグラフィー、またはこれらの組合せに、適合させることができる。
a)充填材料を収容するための円筒形内部を有するカラム、および
b)本明細書に記載されている高純度クロマトグラフィー材料を含む充填クロマトグラフィーベッド
を含む、改善した寿命を有するクロマトグラフカラムを提供する。
a)充填材料を収容するための内部チャネルおよび
b)本明細書に記載されている高純度クロマトグラフィー材料を含む充填クロマトグラフィーベッド
を含む、クロマトグラフ装置を提供する。
a.)分離させる試料を用意すること;
b.)本発明の高純度クロマトグラフィー材料を用意すること;
c.)超臨界流体条件下で高純度クロマトグラフィー材料を使用して、試料を分離することを含む、超臨界流体クロマトグラフィーを使用して、試料を分離するための方法を提供する。
別の態様において、本発明は、本発明による固定相材料を調製するための方法を提供する。
a.遊離シラノール表面基を有するクロマトグラフィー材料を用意するステップ
b.シラノール表面基と、イオン対形成表面基を反応させて、結合材料を得るステップ;および
c.生じた結合材料とイオン対試薬(酸または塩基)を反応させるステップ;
を含み、イオン対結合表面部分を有する高純度クロマトグラフィー材料を生成する。
各例のm、nおよびpは、独立して、0から18の整数であり;
各例のRおよびRaは、独立して、アルキル、アルケニル、アルキニル、アリール、シアノ、アミノ、ジオール、ニトロ、エステル、カチオンもしくはアニオン交換基、埋め込まれた極性官能基を含有するアルキルもしくはアリール基、またはキラル部分であり;
Zは、
R1の各出現は、独立して、−H、−OH、−OR6、ジアルキルアミン、トリフレート、Br、Cl、I、ビニル、アルケンまたは−(CH2)m”Qを含む(がそれらに限定されない。)ケイ素上の化学的反応基を表し;
Qの各出現は、−OH、−OR6、アミン、アルキルアミン、ジアルキルアミン、イソシアネート、塩化アシル、トリフレート、イソシアネート、チオシアネート、イミダゾールカルボネート、NHS−エステル、カルボン酸、エステル、エポキシド、アルキン、アルケン、アジド、−Br、−Clまたは−Iであり;
m”は1−8の整数であり
pは1−3の整数であり;
R1’の各出現は、独立して、F、C1−C18アルキル、C2−C18アルケニル、C2−C18アルキニル、C3−C18シクロアルキル、C1−C18ヘテロシクロアルキル、C5−C18アリール、C5−C18アリールオキシまたはC1−C18ヘテロアリール、フルオロアルキルまたはフルオロアリールを表し;
R6の各出現は、独立して、C1−C18アルキル、C2−C18アルケニル、C2−C18アルキニル、C3−C18シクロアルキル、C1−C18ヘテロシクロアルキル、C5−C18アリール、C5−C18アリールオキシまたはC1−C18ヘテロアリールを表す。)から選択され得る。
すべての試薬は、特に注記がなければ入手したままで使用した。当業者は、以下の供給品および供給業者の等価のものが存在し、したがって以下のリストに挙げる供給業者は、限定的と解釈されないと認識するであろう。
当業者は、以下の機器および供給業者の等価のものが存在し、したがって以下のリストに挙げる機器は、限定的と解釈されないと認識するであろう。
最初の結合のための代表的な手順
典型的な反応において、Dean−Starkトラップを使用して、ハイブリッドまたはシリカ材料(10g)を、トルエン(190mL)中で1時間還流させた。冷却したら、望ましいシランおよびトルエン(90mL)をフラスコに添加した。混合物を室温にて1時間撹拌し、次いで、16時間加熱還流した。次いで、反応物を冷却し、生成物を濾過し、トルエン、アセトン、1:1v/vのアセトン/水、およびアセトン(すべてFisher Scientificからの溶媒)で連続して洗浄した。次いで、粒子を、アセトン/0.1M NH4HCO3(60/40v/v、200mL)の溶液中でスラリー化し、50℃にて20時間撹拌した。室温に冷却した後で、粒子を濾取し、1:1v/vのアセトン/水、およびアセトンで連続して洗浄した。粒子を、真空下で80℃にて終夜乾燥させた。具体的な実施例は、表3で提示されている。
1種類超のシランとの最初の結合の代表的な手順
典型的な反応において、Dean−Starkトラップを使用して、ハイブリッド材料(10g)を、トルエン(190mL)中で1時間還流させた。次いで、スラリーを室温に冷却し、シランAを添加し、混合物を1時間加熱還流した。冷却したら、シランBおよびトルエン(90mL)をフラスコに添加した。混合物を室温にて1時間撹拌し、次いで16時間加熱還流した。次いで、反応物を冷却し、生成物を濾過し、トルエン、アセトン、1:1v/vのアセトン/水、およびアセトン(すべてFisher Scientificからの溶媒)で連続して洗浄した。次いで、粒子を、アセトン/0.1M NH4HCO3(60/40v/v、200mL)の溶液中でスラリー化し、50℃にて20時間撹拌した。室温に冷却した後で、粒子を濾取し、1:1v/vのアセトン/水、およびアセトンで連続して洗浄した。粒子を、真空下で80℃にて終夜乾燥させた。具体的な実施例は、表4で提示されている。
第2の結合の代表的な手順
典型的な例において、Dean−Starkトラップを使用して、実施例1および2からの材料(10g)を、トルエン(190mL)中で1時間還流させた。次いで、混合物を室温に冷却し、望ましいシランおよびイミダゾール(Aldrich−Milwaukee、WI、シランに対して1.2×モル過剰)を添加した。混合物を4時間還流させ、次いで、室温に冷却した。粒子を濾取し、トルエン、アセトン、1:1v/vのアセトン/水、およびアセトンで連続して洗浄し、次いで、真空下で終夜乾燥させた。具体的な実施例は表5で提示されている。
材料3K(5.0g)を、60℃にて、40mLの0.1M塩酸中で6時間加熱した。冷却した後で、材料を濾取し、水およびアセトンで連続して洗浄し、次いで、真空下で80℃にて終夜乾燥させた。
酸または塩基との結合材料の無水反応の代表的な手順
典型的な例において、実施例1、2および3からの材料(20g)を、コンデンサが備えられている丸底フラスコ中のメタノール(100mL)中の所定の濃度の酸または塩基と還流させた。次いで、混合物を室温に冷却し、粒子を濾取し、メタノールで5回洗浄し、次いで、真空下で終夜乾燥させた。具体的な実施例は、表6で提示されている。
実施例1−4で詳述されている粒子の結合/官能基化のための一般的な手順は、様々な多孔質材料の表面のシラノール基を修飾するために適用される。これに含まれているのは、シリカ、ハイブリッド無機/有機材料、ハイブリッド無機/有機、シリカ、チタニア、アルミナ、ジルコニア、ポリマー性または炭素材料上のハイブリッド無機/有機表面層、およびハイブリッド無機/有機、シリカ、チタニア、アルミナ、ジルコニアまたはポリマー性または炭素材料上のシリカ表面層である、モノリス、球状、顆粒、表面多孔質、および不規則材料である。球状材料、非球状材料(例えば環状体、多面体を含む。)の形態の固定相材料;高度に球状のコア形態、棒状コア形態、曲棒状コア形態、環状体状コア形態;またはダンベル状コア形態を有する固定相材料;および高度に球状、棒状、曲棒状、環状体状またはダンベル状の形態の混合物を有する固定相材料も含まれる。実施例のハイブリッド材料は、米国特許第4,017,528号、同第6,528,167号、同第6,686,035号および同第7,175,913号、ならびに国際公開第2008/103423号で示されており、これらの内容は、その全体を参照により本明細書に組み込む。表面多孔質粒子は、米国公開第2013/0112605号、同第2007/0189944号および同第2010/061367号で記載されているものを含み、これらの内容は、その全体を参照により本明細書に組み込む。球状、顆粒または不規則な材料の粒径は、5−500μm;より好ましくは15−100μm;より好ましくは20−80μm;より好ましくは40−60μmに変化し得る。これらの材料のAPDは、30から2,000Å;より好ましくは40から200Å;より好ましくは50から150Åに変化し得る。これらの材料のSSAは、20から1000m2/g;より好ましくは90から800m2/g;より好ましくは150から600m2/g;より好ましくは300から550m2/gに変化し得る。これらの材料のTPVは、0.3から1.5cm3/g;より好ましくは0.5から1.4cm3/g;より好ましくは0.7から1.3cm3/gに変化し得る。モノリス材料の大孔直径は、0.1から30μm、より好ましくは0.5から25μm、より好ましくは1から20μmに変化し得る。
実施例4Aおよび4Bからの材料における保持の変化
絶対ピーク保持を使用して、アイソクラティッククロマトグラフィー条件下で、保持の測定をすべて記録した。実施例4Aおよび4Bからの材料に対する保持の変化の平均パーセントを、実施例1Sからの同結果と比較した。実施例4Aおよび4Bからの材料は、試験の経過中により少ない保持の変化をもたらす能力を示した。保持の変化の平均パーセントは、3日目のクロマトグラフィー試験で測定した絶対ピーク保持の平均のパーセント差を、1日目のクロマトグラフィー試験で測定した絶対ピーク保持の平均から取ることにより計算した。カラムは、混合1試験条件下で20分間平衡を保ち、続いて、混合1を3回注入し、次いで、混合2試験条件下で10分間平衡を保ち、続いて混合2を3回注入した。条件は、表7で示されている。
実施例4Aおよび4Bからの材料における塩基性分析物に対するピーク形状
塩基性分析物に対するピーク形状を、一般的グラジエント状態を使用して比較した。実施例4Aおよび4Bからの材料は、実施例1Sと比較して、強塩基性の分析物に対して優れたピーク形状をもたらした。改善のレベルは、クロマトグラフィー材料に仕込んだp−トルエンスルホン酸の量により調整可能である。カラムは、初期のグラジエント条件下で20分間平衡を保ち、続いて、グラジエント条件下で、各塩基性分析物を単回注入した。グラジエント条件は、表9で示されている。ピーク形状の結果は、図2で示されている。
Claims (19)
- クロマトグラフィー表面を含み、前記クロマトグラフィー表面がイオン対結合部分を含む、超臨界流体クロマトグラフィーのための高純度クロマトグラフィー材料であって、当該イオン対結合部分が塩基性イオン対形成表面基と酸性対イオンとの間で形成され、当該塩基性イオン対形成表面基が窒素を含有する表面基であり、当該酸性対イオンがスルホン酸対イオンであり、および当該クロマトグラフィー材料が無水である、または実質的に水を含まない、高純度クロマトグラフィー材料。
- 前記クロマトグラフィー表面が、共有結合している表面基をさらに含む、請求項1に記載の高純度クロマトグラフィー材料。
- 塩基性イオン対形成表面基が、ピリジニル部分を含む、請求項1に記載の高純度クロマトグラフィー材料。
- 塩基性イオン対形成表面基が、2−ピリジニル−エチレン部分を含む、請求項3に記載の高純度クロマトグラフィー材料。
- 前記酸性対イオンが、パラトルエンスルホン酸対イオンである、請求項1に記載の高純度クロマトグラフィー材料。
- イオン対結合部分に変換される前記イオン対形成表面基の割合が、1%から100%である、請求項1に記載の高純度クロマトグラフィー材料。
- 前記共有結合している表面基:イオン対結合部分の比が、約2.5:1から約350:1である、請求項2に記載の高純度クロマトグラフィー材料。
- 前記材料の前記表面におけるイオン対結合部分の濃度が、約10μmol/m2未満である、請求項1に記載の高純度クロマトグラフィー材料。
- 前記材料の前記表面におけるイオン対結合部分の濃度が、約0.01μmol/m2から約10μmol/m2である、請求項1に記載の高純度クロマトグラフィー材料。
- 前記共有結合している表面基が、C4からC30結合相、芳香族、フェニルアルキル、フルオロ−芳香族、フェニルヘキシル、ペンタフルオロフェニルアルキルまたはキラル結合相である、請求項2に記載の高純度クロマトグラフィー材料。
- クロマトグラフィーコア材料をさらに含む、請求項1に記載の高純度クロマトグラフィー材料。
- クロマトグラフィーコアがシリカ材料である、またはハイブリッド無機/有機材料である、または表面多孔質材料である、またはハイブリッド表面層を有する無機材料、無機表面層を有するハイブリッド材料、もしくは異なるハイブリッド表面層を有するハイブリッド材料である、請求項12に記載の高純度クロマトグラフィー材料。
- 前記材料が、粒子の形態である、請求項1に記載の高純度クロマトグラフィー材料。
- 前記材料が、モノリスの形態である、請求項1に記載の高純度クロマトグラフィー材料。
- 前記クロマトグラフィー材料が、約25から1100m2/gの表面積を有し、前記クロマトグラフィー材料が、約0.15から1.7cm3/gの細孔体積を有し、前記クロマトグラフィー材料が、約110m2/g未満の微小孔表面積を有し、または前記クロマトグラフィー材料が、約20から1500Åの平均細孔径を有する、請求項1に記載の高純度クロマトグラフィー材料。
- 前記クロマトグラフィー材料が、約1から約14のpHで加水分解に安定である、請求項1に記載の高純度クロマトグラフィー材料。
- 前記材料が、表面修飾されている、請求項1に記載の高純度クロマトグラフィー材料。
- 前記材料内に分散したナノ粒子をさらに含む、請求項1に記載の高純度クロマトグラフィー材料。
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PCT/US2016/029803 WO2016176461A1 (en) | 2015-04-29 | 2016-04-28 | High purity chromatographic materials comprising ion paired-bonded phases for supercritical fluid chromatography |
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WO2018163086A1 (en) | 2017-03-08 | 2018-09-13 | Waters Technologies Corporation | Polar pesticide determination using chromatography |
JPWO2019117063A1 (ja) * | 2017-12-15 | 2020-12-17 | コニカミノルタ株式会社 | 多孔性微粒子、その製造方法、クロマトグラフィー用充填剤及びクロマトグラフィー用カラム |
WO2019116974A1 (ja) * | 2017-12-15 | 2019-06-20 | コニカミノルタ株式会社 | 多孔性微粒子、クロマトグラフィー用充填剤及びクロマトグラフィー用カラム |
WO2020261221A1 (en) * | 2019-06-26 | 2020-12-30 | Waters Technologies Corporation | Coatings with immobilized affinity ligands and enzymes and use thereof in liquid chromatography assays |
CZ309739B6 (cs) * | 2019-11-29 | 2023-09-06 | Univerzita Karlova | Sloučeniny pro modifikaci povrchu záporně nabitého nosiče, způsob jejich přípravy a jejich použití |
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US6946566B2 (en) * | 2002-07-31 | 2005-09-20 | Daiso Co., Ltd. | Process for preparation of optically active halogeno hydroxypropyl compound and glycidyl compound |
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