JP5784584B2 - 不均一系触媒でのクリック化学 - Google Patents
不均一系触媒でのクリック化学 Download PDFInfo
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- JP5784584B2 JP5784584B2 JP2012504020A JP2012504020A JP5784584B2 JP 5784584 B2 JP5784584 B2 JP 5784584B2 JP 2012504020 A JP2012504020 A JP 2012504020A JP 2012504020 A JP2012504020 A JP 2012504020A JP 5784584 B2 JP5784584 B2 JP 5784584B2
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Images
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D249/00—Heterocyclic compounds containing five-membered rings having three nitrogen atoms as the only ring hetero atoms
- C07D249/02—Heterocyclic compounds containing five-membered rings having three nitrogen atoms as the only ring hetero atoms not condensed with other rings
- C07D249/04—1,2,3-Triazoles; Hydrogenated 1,2,3-triazoles
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
- G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
- G01N33/53—Immunoassay; Biospecific binding assay; Materials therefor
- G01N33/543—Immunoassay; Biospecific binding assay; Materials therefor with an insoluble carrier for immobilising immunochemicals
- G01N33/551—Immunoassay; Biospecific binding assay; Materials therefor with an insoluble carrier for immobilising immunochemicals the carrier being inorganic
- G01N33/553—Metal or metal coated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
- B01J21/18—Carbon
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/72—Copper
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2523/00—Constitutive chemical elements of heterogeneous catalysts
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Description
(i)少なくとも1個の反応チャンバーを有する装置を提供する段階[前記反応チャンバーは、クリック反応を行うための不均一系触媒および適宜に別の固体担体材料を含み、前記クリック反応の一方の相手は前記不均一系触媒上および/または前記別の固体担体材料上に固定化されていることができる。]、
(ii)前記反応チャンバー中で、第1のクリック相手である第1の分子を第2のクリック相手である第2の分子と、前記第1の分子と前記第2の分子の間のクリック反応が起こる条件下に不均一系触媒の存在下で接触させる段階[前記第2の分子は好ましくは、レポーター基またはレポーター前駆体基を含む。]、
(iii)必要に応じて、レポーター前駆体基をレポーター基に変換する段階、
(iv)前記分析物の検出が可能となる条件下で、前記第1の分子と前記第2の分子のカップリング生成物をサンプルと接触させる段階、および
(v)好ましくは前記レポーター基を介して、前記分析物を定性的および/または定量的に検出する段階
を有する、サンプル中の分析物の検出方法に関するものである。
(1)天然および人工のアミノ酸およびそれのオリゴマーおよびポリマー、例えばペプチド、ロタキサン、グリコペプチド、タンパク質、酵素、抗体など、
(2)核酸および核酸類縁体、例えばDNA、RNA、LNA、PNA、MeO-RNA、ホスホロチオエート核酸など、
(3)脂肪酸およびそれらの誘導体などの脂質、例えば脂肪酸エステル、リン脂質、スフィンゴ脂質およびリポソーム、ミセル、細胞膜などの構造を含む脂質など、
(4)ポリマーおよび生体ポリマーまたはそれらのモノマー、ゲルおよび膜、
(5)ウィルス、ビタミン、ホルモン、神経伝達物質、例えばドーパミン、アドレナリン、セロトニンなど、
(6)単糖類、オリゴ糖類および多糖類などの糖類、
(7)有機および無機粒子、ガラス表面、ケイ素材料、シリカビーズ、電磁ビーズ、金属ナノ粒子、金属錯体、メタロセン、デンドリマー、糖デンドリマー、ナノチューブ、フラーレン、量子ドットなどの巨大分子
から選択される。
(i)レポーター分子、
(ii)アフィニティ分子、
(iii)固相、
(iv)生体分子、例えばタンパク質もしくは脂質、
(v)脂肪族もしくは脂環式基、芳香族もしくはヘテロ芳香族基、アルケン基、アルキン基、および/またはポリマー基、例えばポリエチレングリコール基を含むことができる連結基またはスペーサー、
(vi)医薬の化合物もしくは基、光活性基、および/またはレドックス活性基、および/または認識部位
であることができる。
クリック・チップは、適宜にシリカゲルおよび/またはC18および/またはC4および/またはイオン交換樹脂および/またはクリック反応成分のうちの1以上を保持することができる他の材料などのクロマトグラフィー材料の存在下に、固体多孔質支持体上、例えば好ましくはデッド・ボリュームがないように末端で固定された活性炭上で担持されたほぼ所定の体積(例:0.2〜0.6μLまたはそれ以上)のCu(I)などの不均一系触媒の床を有するピペットチップ(例えば、10μL、100μLまたは1000μL)である。クリック反応または別の共有結合形成を触媒または促進する他の不均一材料を類似の装置で用いることができる。触媒上またはクロマトグラフィー材料上で、クリック反応相手のうちの一方、例えば生体分子用標識を、吸着された形で提供することができる。
クリック・スピンは、クリック反応およびその後の分離/精製を行うための即時使用性の微量遠心適合性カラムである。それは、カラムおよびバイアルという二つの別個の部分からなる(図5)。
本発明のさらに別の実施形態では、クリック相手の一方を、不均一系触媒および/または別の固体材料、例えば実施例1および2に記載のクロマトグラフィー材料上に固定化することができる。
アルキン基(例えばDNA)およびアジド修飾レポーター基(例えば色素)を含む分子を、好適な装置、例えば実施例1および2に記載のクリック・チップまたはクリック・スピンで、不均一系触媒、例えばCu(I)-C触媒と混合・接触させる。この製造段階の時間は1分以内である。その装置におけるクリック反応は、好ましくは2〜5分にわたって行うが、それより長い反応時間を検討しても良い。最後に、例えば1分間を要する可能性がある濾過によって、反応生成物の後処理を行うことができる。
5.1 Cu/C触媒の製造
Darco KB活性炭(15.0g、100メッシュ、25%H2O含有量)を、撹拌バーの入った300mL丸底フラスコに加えた。Cu(NO3)23H2O(Acros Organics、3.334g、13.80mmol)の脱イオンH2O(100mL)中溶液を活性炭に加え、追加の脱イオンH2O(125 mL)を加えてフラスコの側面を洗った。フラスコをアルゴンでパージし、30分間高撹拌した。次に、1時間にわたり、陽圧アルゴン流下に超音波浴にフラスコを入れ、次にアルゴンパージされた蒸留装置に取り付け、撹拌プレート付きの予熱された175〜180℃のサンドバスに入れた。蒸留が終了した時点で、フラスコ温度の上昇を開始し、210℃以下でさらに15分間保持した。冷却して室温として、トルエン(75mL)を加えてフラスコ側面を洗浄した。トルエン/H2O共沸物が蒸留されてしまうまでフラスコを再度熱サンドバスに入れた。蒸留が終了したら、2回目の共沸蒸留を繰り返した。冷却して室温として、得られた黒色固体をアルゴン下にトルエンで洗浄して(50mLで2回)、予め乾燥しておいた150mL粗フリット漏斗に入れた(真空下)。減圧下にフリット漏斗の上下を逆にし、フリットからCu/Cが回収フラスコ中に落下するまで5時間経過させた。次に、回収フラスコを減圧下に110〜115℃のサンドバスで18時間加熱して、触媒をさらに乾燥させた。含浸活性炭(約13g)を琥珀色バイアルに移し、保存した。触媒のICP-EAS分析によって、1.01mmol Cu/g触媒または6.4重量%Cuの添加が示唆された。
Cu/C 120mgをEG 500μLに加えた。混合物を渦撹拌し、遠心した。
Cu/C 120mgをPEG 500μLに加えた。混合物を渦撹拌し、遠心した。
基Z=C8dC(X)(Xは下記で定義されている)を含むオリゴヌクレオチドを、標準的な方法に従って製造した。
5′-CGCGTATCGCTATCGCTATGGZ-3′ (配列番号1)
オリゴ2:5量体
5′-ZCTAG-3′ (配列番号2)
オリゴ3:33量体
5′-ZAAAT[C][T]AGAGAATCCCAGAATGCGAAACTCAG-リン酸-3′ (配列番号3)。
本明細書において「回収率」とは、沈澱段階後に得られたnmol単位でのオリゴヌクレオチドのパーセントと見なす。
反応後、サンプルを脱塩し、各サンプル0.4μLを、HPA-C基材(ヒドロキシ-ピコリン酸+15-Crown-5)0.4μLとともにMALDIターゲット上にスポット添加した。水およびアセトニトリルによる洗浄によりピペットチップZipTipc18:(Millipore)を用い、またはMF(商標名)膜フィルター0.025μmVSWP(Millipore)を用いて、サンプルを脱塩した。
オリゴ2のPEG-8-N3との反応
PEG-N3 1μLおよびCu/Cをオリゴ2 100μL(1.6nmol/μL→合計160nmol)に加え、熱振盪器に入れて、25℃で900rpiにて2時間経過させた。その後、サンプルを水100μLで希釈し、Acrodisc13mmシリンジフィルターで濾過した。フィルターを追加の水100μLで洗浄し、溶液を、HPLCおよびMALDI分析用にそのまま用いた。生成物をRP-HPLCによってさらに精製した。ナノフォトメーターを用いて濃度を得た。
量*:27nmol;MW:2005(1567+438)。
オリゴ3のPEG-8-N3との反応
修飾33量体オリゴ(オリゴ3)を、この反応に用いた。それは5′-アルキン(C8-アルキン-dU)、2種類のロックされたヌクレオシド(LNA塩基)および3′-リン酸を含む。
量*:O6=176pmol;MW(g/mol):10825(10387+438)。
ペプチド-N3 75μL(1.2mM→合計90nmol)およびCu/Cをオリゴ2 75μL(1.6nmol/μL→合計120nmol)に加え、25℃で900rpiにて2時間振盪した。その後、サンプルを水100μLで希釈し、Acrodisc13mmシリンジフィルターで濾過した。フィルターを追加の水100μLで洗浄し、得られた溶液を、MALDI、RP-HPLC分析および精製に用いた。Nanodropを用いて280 nmにおける濃度を測定した。
量:124μg*(マイクログラム);32.6nmol;MW:3803。
EG(5μL)中のビオチン-アジド(0.4μL、326g/mol、20当量)およびCu/Cを、オリゴ1 3.8μL(6807.5g/mol、5nmol/μL、1当量)に加えた。水(10μL)を溶媒として用いた。反応バイアルをサーモミキサー中60℃で1000rpiにて振盪した。
5.9.1 PTFE膜による濾過
EG(5μL)中のFAM(1μL、458g/mol、20当量)およびCu/Cをオリゴ1 3.8μL(6807.5g/mol、5nmol/μL、1当量)に加えた。水(20μL)およびDMSO/tBuOH(3:1) 5μLを溶媒として用いた。反応バイアルを、熱振盪器中40℃で1000rpiにて振盪した。
EG(5μL)中のFAM(0.4μL、458g/mol、20当量)およびCu/Cを、オリゴ1(3.8μL、6807.5g/mol、5nmol/μL、1当量)に加えた。水(20μL)を溶媒として用いた。反応バイアルを熱振盪器にて60℃で1000rpiにて振盪した。
5.10.1 NH2-PEG-8との反応およびPTFE膜を用いる濾過
EG(5μL)中のNH2-PEG-8(0.4μL、438g/mol、20当量)およびCu/Cをオリゴ1 3.8μL(6807.5g/mol、5nmol/μL、1当量)に加えた。水(10μL)およびDMSO/tBuOH(3:1) 5μLを溶媒として用いた。反応バイアルを、熱振盪器中40℃で1000rpiにて振盪した。
EG(5μL)中のNH2-PEG-8(0.4μL,438g/mol、20当量)およびCu/Cをオリゴ1(3.8μL、6807.5g/mol、5nmol/μL、1当量)に加えた。水(20μL)を溶媒として用いた。反応バイアルを、熱振盪器中60℃で1000rpiにて振盪した。
EG(5μL)中のPEG-24(10μL、1114g/mol、20当量)およびCu/Cをオリゴ1(3.8μL、6807.5g/mol、5nmol/μL、1当量)に加えた。水(10μL)およびDMSO/tBuOH(3:1) 5μL(5μL)を溶媒として用いた。反応バイアルを、熱振盪器中1000rpiで振盪した。
[1] R. Huisgen, 1,3-Dipolar Cycloaddition Chemistry (Ed.: A. Padwa), Wiley, New York, 1984.
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[23] WO 2006/11761
[24] WO 2008/052775
Claims (26)
- クリック反応によって第1の分子を第2の分子にカップリングさせる方法であって、前記第1の分子がクリック反応性不飽和基である第1のクリック官能基を含み、前記第2の分子がクリック反応によって前記第1のクリック官能基と反応するクリック反応性1,3-双極性基である第2の相補的クリック官能基を含み、前記第1の分子と第2の分子の間のクリック反応が起こる条件下に、不均一系触媒の存在下で、前記第1の分子と前記第2の分子を接触させる段階を有し、前記第1および第2の分子のうちの一方が固体担体上に固定化されており、前記第1の分子および第2の分子のうちの一方が前記不均一系触媒に固定化されている方法。
- 前記第1の分子および第2の分子のうちの一方が生体分子である請求項1に記載の方法。
- 前記第1の分子および第2の分子のうちの一方で予め含浸された乾燥固体担体が提供され、該担体が他方の分子を含む液体媒体と接触している請求項2に記載の方法。
- 前記第1の分子がヌクレオシド、ヌクレオチド、核酸、アミノ酸、ペプチド、糖類および脂質から選択される生体分子である請求項1〜3のうちのいずれか1項に記載の方法。
- 前記生体分子が核酸である請求項4に記載の方法。
- 前記第2の分子が、
(i)レポーター分子、
(ii)アフィニティ分子、
(iii)固相、
(iv)生体分子、
(v)脂肪族もしくは脂環式基、芳香族もしくはヘテロ芳香族基、アルケン基、アルキン基、および/またはポリマー基を含む連結基またはスペーサー、
(vi)医薬の化合物もしくは基、光活性基、および/またはレドックス活性基、および/または認識部位
である請求項1〜5のうちのいずれか1項に記載の方法。 - 前記レポーター分子が色素である請求項6に記載の方法。
- 前記生体分子がタンパク質または脂質である請求項6に記載の方法。
- 前記ポリマー基がポリエチレングリコール基である請求項6に記載の方法。
- 前記クリック官能性不飽和基がアルキン基であり、前記クリック官能性1,3-双極性基がアジド基である請求項1〜9のうちのいずれか1項に記載の方法。
- 前記不均一系触媒が不均一Cu触媒である請求項1〜10のうちのいずれか1項に記載の方法。
- 前記不均一Cu触媒がCu-C触媒である請求項11に記載の方法。
- 前記クリック反応を、前記不均一系と相互作用して前記クリック反応の速度を上昇させる分子の存在下に実施する請求項1〜12のうちのいずれか1項に記載の方法。
- 前記不均一系と相互作用して前記クリック反応の速度を上昇させる分子がアミンである請求項13に記載の方法。
- 前記アミンが芳香族、ヘテロ芳香族、脂肪族、脂環式、不飽和もしくは完全飽和の骨格を有する1級、2級または3級アミンである請求項14に記載の方法。
- 前記アミンがトリエチルアミンである請求項15に記載の方法。
- 前記アミンが10%以下(体積比)の量である請求項14〜16のうちのいずれか1項に記載の方法。
- 前記アミンが1%以下(体積比)の量である請求項17に記載の方法。
- 前記アミンが0.1%以下(体積比)の量である請求項18に記載の方法。
- (i)反応温度が4〜80℃であり、および/または(ii)反応時間が1分〜8時間であり、および/または反応体積が0.1μL以上かつ10 mLまでである請求項1〜19のうちのいずれか1項に記載の方法。
- (i)反応温度が10〜40℃である請求項20に記載の方法。
- (ii)反応時間が10分〜8時間である請求項20または21に記載の方法。
- (ii)反応時間が1分〜10分である請求項20または21に記載の方法。
- (ii)反応時間が2分〜5分である請求項23に記載の方法。
- 前記反応をピペットチップ、スピンカラムまたは注射器で行う請求項1〜24のうちのいずれか1項に記載の方法。
- 分離/精製段階をさらに有する請求項1〜25のうちのいずれか1項に記載の方法。
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US8507572B2 (en) * | 2009-06-08 | 2013-08-13 | The Trustees Of Columbia University In The City Of New York | Functionalization of organic surfaces |
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US10504612B2 (en) | 2012-06-15 | 2019-12-10 | Emerald Therapeutics, Inc. | Polynucleotide probe design |
US9429547B1 (en) | 2012-06-15 | 2016-08-30 | Emerald Therapeutics, Inc. | Systems and methods for automated preparation of nucleic acids |
EP2680005A1 (en) * | 2012-06-28 | 2014-01-01 | Rheinische Friedrich-Wilhelms-Universität Bonn | Lipid analysis |
US9289502B2 (en) * | 2013-03-08 | 2016-03-22 | Emerald Therapeutics, Inc. | Preparation of oligo conjugates |
JP6363827B2 (ja) * | 2013-08-28 | 2018-07-25 | 国立大学法人 岡山大学 | 亜酸化銅ナノ粒子の製造方法 |
WO2015148402A1 (en) * | 2014-03-24 | 2015-10-01 | The Trustees Of Columbia Univeristy In The City Of New York | Chemical methods for producing tagged nucleotides |
CN105717290B (zh) * | 2014-10-21 | 2018-02-06 | 中国科学院广州生物医药与健康研究院 | 一种基于点击化学的二价铜离子的检测方法及试剂盒 |
US9879044B2 (en) | 2015-06-01 | 2018-01-30 | Occidental College | Methods, compositions, and kits using heterogeneous catalysts |
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EP3461832A1 (en) | 2017-09-29 | 2019-04-03 | baseclick GmbH | Click based ligation |
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- 2010-04-08 KR KR1020117023586A patent/KR20110134906A/ko not_active Application Discontinuation
- 2010-04-08 CN CN201080015635.9A patent/CN102387858B/zh not_active Expired - Fee Related
- 2010-04-08 AU AU2010233699A patent/AU2010233699B2/en active Active
- 2010-04-08 EP EP10716787.6A patent/EP2416878B1/en active Active
- 2010-04-08 JP JP2012504020A patent/JP5784584B2/ja active Active
- 2010-04-08 US US13/263,401 patent/US8883516B2/en not_active Expired - Fee Related
- 2010-04-08 WO PCT/EP2010/054645 patent/WO2010115957A1/en active Application Filing
Also Published As
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AU2010233699A1 (en) | 2011-10-27 |
EP2239053A1 (en) | 2010-10-13 |
CN102387858A (zh) | 2012-03-21 |
US8883516B2 (en) | 2014-11-11 |
EP2416878B1 (en) | 2015-09-30 |
WO2010115957A1 (en) | 2010-10-14 |
EP2416878A1 (en) | 2012-02-15 |
KR20110134906A (ko) | 2011-12-15 |
US20120100633A1 (en) | 2012-04-26 |
JP2012523224A (ja) | 2012-10-04 |
AU2010233699B2 (en) | 2015-01-22 |
CA2755080A1 (en) | 2010-10-14 |
CN102387858B (zh) | 2015-08-12 |
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