Abstract
Three different C5-carbohydrate-functionalized LNA uridine phosphoramidites were synthesized and incorporated into oligodeoxyribonucleotides. C5-Carbohydrate-functionalized LNA display higher affinity toward complementary DNA/RNA targets (ΔTm/modification up to +11.0 °C), more efficient discrimination of mismatched targets, and superior resistance against 3'-exonucleases compared to conventional LNA. These properties render C5-carbohydrate-functionalized LNAs as promising modifications in antisense technology and other nucleic acid targeting applications.
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