Nucleic Acids Research, Vol 25, Issue 15 3034-3041, Copyright © 1997 by Oxford University Press
M Marangoni, A Van Aerschot, P Augustyns, J Rozenski and P Herdewijn
The synthesis of adenine and thymine cyclopentylethyl nucleosides is
presented. This novel constrained monomeric building block is very
difficult to incorporate into oligonucleotides. It was introduced in 13mer
oligodeoxynucleotide sequences at a single position using H- phosphonate
chemistry. Phosphoramidite chemistry completely failed in this particular
case. The H-phosphonate building blocks were obtained starting from the
corresponding phosphoramidites. Stability of duplexes with RNA and DNA is
significantly reduced.
ARTICLES
Synthesis and hybridization properties of inverse oligonucleotides
Laboratory of Medicinal Chemistry, Rega Institute for Medical Research, Katholieke Universiteit Leuven, Minderbroedersstraat 10, B-3000 Leuven, Belgium.
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