Synthena Ag

Reto Bertolini

Branislav Dugovic

Wolfgang Andreas Renner

The present invention relates to a process for preparing tc-DNA nucleoside precursors, the resulting tc-DNA nucleosides, and oligonucleotides comprising such tc-DNA nucleosides. In an embodiment of the invention, the process includes use of a carbene precursor. In an embodiment, the invention includes processes for preparing a tc-DNA nucleoside precursor of Formula (I), Formula (II), Formula (III), Formula (IV), Formula (V) or Formula (VI).

Tricyclo-DNA nucleoside precursors and processes for preparing the same

The present invention relates to a composition comprising an oligomeric compound comprising one or more tricyclo-deoxyribonucleic acid (tc-DNA) nucleosides and one or more lipid moiety, wherein said one or more lipid moiety is covalently linked to said oligomeric compound either directly or via a spacer, and wherein preferably said oligomeric compound comprises from 5 to 40 monomer subunits, as well as pharmaceutical compositions thereof and their uses in the prevention or treatment of neuromuscular or musculoskeletal diseases such as Duchenne muscular dystrophy or Steinert disease.

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Liebefeld, Switzerland

Reto Bertolini