2'-O-Dimethylaminoethyloxyethyl-modified oligonucleotides

Organic compounds -- part of the class 532-570 series – Organic compounds – Carbohydrates or derivatives

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435 6, 536 245, C07H 2104

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060433523

ABSTRACT:
2'-O-Modified ribosyl nucleosides and modified oligonucleotides containing such nucleotides are disclosed. Oligonucleotides are disclosed that have increased binding affinity as shown by molecular modeling experiments. The 2'-O-modified nucleosides of the invention include ring structures that position the sugar moiety of the nucleosides preferentially in 3' endo geometries.

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