title: Synthesis and hybridization properties of inverse oligonucleotides.
abstract: 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.
authors.affiliation: Laboratory of Medicinal Chemistry, Rega Institute for Medical Research, Katholieke Universiteit Leuven, Minderbroedersstraat 10, B-3000 Leuven, Belgium.
authors.forename: M
authors.initials: M
authors.lastname: Marangoni
authors.forename: A
authors.initials: A
authors.lastname: Van Aerschot
authors.forename: P
authors.initials: P
authors.lastname: Augustyns
authors.forename: J
authors.initials: J
authors.lastname: Rozenski
authors.forename: P
authors.initials: P
authors.lastname: Herdewijn
mesh_terms: D007446:Chromosome Inversion; D009690:Nucleic Acid Conformation; D009693:Nucleic Acid Hybridization; D009841:Oligonucleotides / Q000138:chemical synthesis / Q000737:chemistry*; D013696:Temperature
chemical_list: D009841:Oligonucleotides