PRODUCTION METHOD FOR OLIGONUCLEOTIDES

A method for producing an oligonucleotide that can complete a condensation reaction to improve a condensation yield, and can markedly reduce impurities such as single base deletion form (N-1mer) and the like is provided. A method for producing an oligonucleotide, including a step of removing a tempo...

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Bibliographische Detailangaben
Hauptverfasser: ICHIMARU, Taisuke, TAKAHASHI, Daisuke, HIRAI, Kunihiro
Format: Patent
Sprache:eng ; fre ; ger
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Zusammenfassung:A method for producing an oligonucleotide that can complete a condensation reaction to improve a condensation yield, and can markedly reduce impurities such as single base deletion form (N-1mer) and the like is provided. A method for producing an oligonucleotide, including a step of removing a temporary protecting group of a 5'-hydroxyl group by adding an acid to a protected oligonucleotide having a phosphorothioate (PS), phosphate (PO) or H-phosphonate moiety, and deacylating a by-product having an acylated 5'-hydroxyl group by solvolysis.