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Functionalization of the Oligonucleotides Containing an Internucleotide Phosphoramidate Bond

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Abstract

A new method for functionalization of oligonucleotides by addition of aminoalkyl derivatives to the intermolecular phosphorus atom of the oligonucleotide N3"–P5" phosphoramidate bond in the presence of triphenylphosphine, 4-dimethylaminopyridine, and 2,2"-dipyridyl disulfide was suggested. The reaction proceeded with both low-molecular alkylamines (1,6-diaminohexane or N,N-dimethyl-1,3-diaminopropane) and a minor groove binder containing an aminoalkyl group.

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Correspondence to V. A. Ryabinin.

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Sinyakov, A.N., Boutorine, A.S., Novopashina, D.S. et al. Functionalization of the Oligonucleotides Containing an Internucleotide Phosphoramidate Bond. Russian Journal of Bioorganic Chemistry 29, 88–90 (2003). https://doi.org/10.1023/A:1022242822132

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  • DOI: https://doi.org/10.1023/A:1022242822132

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