Novel method for the synthesis of nucleic acid without...

C - Chemistry – Metallurgy – 07 – H

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C07H 21/04 (2006.01) C12N 15/09 (2006.01)

Patent

CA 2558581

It is intended to provide a novel method of synthesizing a nucleic acid oligomer whereby at least 10-mer of nucleic acid molecule oligomer (for example, a 20-mer) can be synthesized at an extremely high purity by the solid phase method without protecting nucleotide bases, compared with the conventional method without nucleotide base protection allowing the synthesis of a 12-mer at the highest. Namely, a method of synthesizing a nucleic acid oligomer, etc. characterized in that an alcohol type activator or a combination of an alcohol type activator with an acid catalyst is used in the phosphoramidite method.

L'intention est de fournir un nouveau procédé de synthèse d'un oligomère d'acides nucléiques par lequel on peut synthétiser un oligomère de molécules d'acides nucléiques d'au moins 10 motifs monomères (par exemple un oligomère de 20 motifs monomères) de pureté extrêmement élevée par le procédé en phase solide sans protéger les bases des nucléotides, par rapport au procédé classique sans protection des bases des nucléotides permettant la synthèse d'un oligomère d'au maximum 12 motifs monomères. A savoir, procédé de synthèse d'un oligomère d'acides nucléiques, etc., caractérisé en ce qu'on utilise dans le procédé de phosphoramidite un activateur de type alcool ou une association d'un activateur de type alcool et d'un catalyseur acide.

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