JP5365005B2 - 中性で切断可能な核酸合成用レジン - Google Patents
中性で切断可能な核酸合成用レジン Download PDFInfo
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- JP5365005B2 JP5365005B2 JP2008008384A JP2008008384A JP5365005B2 JP 5365005 B2 JP5365005 B2 JP 5365005B2 JP 2008008384 A JP2008008384 A JP 2008008384A JP 2008008384 A JP2008008384 A JP 2008008384A JP 5365005 B2 JP5365005 B2 JP 5365005B2
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- nucleic acid
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Description
Nucleic Acids Research,1996年,第24巻,p.2793
中性条件で切断可能なリンカーはこれまで知られていない。
図2に示す経路で、中性条件で切断可能なリンカーを介して核酸がレジンに結合している核酸合成用レジンを合成した。
3,3’−ジチオジ酪酸4.77g(20mmol)を100mLの脱水ジクロロメタンに懸濁し、2塩化オキサリル5.14mLおよびジメチルフォルムアミド62μLを加え室温で2時間撹拌した。本溶液を減圧濃縮した後、残渣に脱水トルエンを加え減圧濃縮した。
439mgの式(4)で表される化合物(0.5mmol)を脱水アセトニトリルに溶解し、減圧濃縮する操作を3回行った。残渣を5mLの脱水アセトニトリルに溶解し、ジイソプロピルエチルアミン99μL,無水コハク酸50mgおよびジメチルアミノピリジン6.1mgを加え、室温にて1日撹拌した。この段階で、式(5)で表される化合物が得られたものと考えられる。
実施例1の方法に従って作製したレジンおよび図9に示す経路で合成したdA,dG,dCアミダイド(図9の左下)を使用し、DNA自動合成機(ジーンワールド社製H8−F)によりdCGATレジンを合成した。平均合成効率98%以上の収率で合成できた。
Claims (4)
- リンカーを介して核酸がレジンに結合している核酸合成用レジンであって、当該リンカーが−S−S−(CH 2 ) n −COO−結合を有し、そのCOO−側に核酸が結合しており(ここで、nは3または4である)、中性条件で当該−S−S−結合が切断可能であり、その結果、水酸基末端を中性条件で生成し得る、核酸合成用レジン。
- 前記水酸基末端を有する核酸を中性条件で生成する反応が自発的なものである、請求項1に記載の核酸合成用レジン。
- 前記リンカーが切断された場合に、HS−(CH2)n−COO−結合を有し、そのCOO−側に核酸が結合している中間体を生じる、請求項1または2に記載の核酸合成用レジン(ここで、nは3または4である)。
- 前記リンカーの切断が還元剤により行われ得る、請求項1〜3のいずれかに記載の核酸合成用レジン。
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008008384A JP5365005B2 (ja) | 2008-01-17 | 2008-01-17 | 中性で切断可能な核酸合成用レジン |
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| JP2008008384A JP5365005B2 (ja) | 2008-01-17 | 2008-01-17 | 中性で切断可能な核酸合成用レジン |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2009165422A JP2009165422A (ja) | 2009-07-30 |
| JP5365005B2 true JP5365005B2 (ja) | 2013-12-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| JP2008008384A Expired - Fee Related JP5365005B2 (ja) | 2008-01-17 | 2008-01-17 | 中性で切断可能な核酸合成用レジン |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11987904B2 (en) | 2016-03-04 | 2024-05-21 | Aptamer Group Limited | Oligonucleotides and methods for preparing |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6169194B1 (en) * | 1997-10-16 | 2001-01-02 | Michael Thompson | High surface density covalent immobilization of oligonucleotide monolayers using a 1-(thiotrifluoroacetato)-11-(trichlorososilyl)-undecane linker |
| US6255476B1 (en) * | 1999-02-22 | 2001-07-03 | Pe Corporation (Ny) | Methods and compositions for synthesis of labelled oligonucleotides and analogs on solid-supports |
| JP3158181B2 (ja) * | 1999-03-15 | 2001-04-23 | 北陸先端科学技術大学院大学長 | バイオセンサー及び生体材料の固定化方法 |
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- 2008-01-17 JP JP2008008384A patent/JP5365005B2/ja not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11987904B2 (en) | 2016-03-04 | 2024-05-21 | Aptamer Group Limited | Oligonucleotides and methods for preparing |
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| JP2009165422A (ja) | 2009-07-30 |
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