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We report the synthesis of piperidino nucleoside phosphoramidates functionalized with uracil, cytosine, guanine, and adenine and their incorporation into oligomers. High-performance liquid chromatography analyses demonstrated that a phosphorodiamidate piperidino oligomer… Click to show full abstract
We report the synthesis of piperidino nucleoside phosphoramidates functionalized with uracil, cytosine, guanine, and adenine and their incorporation into oligomers. High-performance liquid chromatography analyses demonstrated that a phosphorodiamidate piperidino oligomer (PPO) is more lipophilic than a phosphorodiamidate morpholino oligomer (PMO) of the same tetrameric sequence. A PMO containing piperidino residues formed duplexes with both DNA and RNA, and the PPO had higher stability at endosomolytic pH and higher hydrophobicity than the PMO.
Journal Title: Organic letters
Year Published: 2023
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