Modification of the 2′-position of purine nucleosides: syntheses of 2′-α-substituted-2′-deoxyadenosine analogs
✍ Scribed by R. Ranganathan
- Publisher
- Elsevier Science
- Year
- 1977
- Tongue
- French
- Weight
- 291 KB
- Volume
- 18
- Category
- Article
- ISSN
- 0040-4039
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✦ Synopsis
Nucleoside analogs with stereochemical and/or functional group modifications in the sugar residue have shown promise as anti-tumor, 1 anti-viral, or immunosuppressive agents. In addition to these properties, adenosine analogs have been of interest as hypotensive agents, as inhibitors of platelet aggregation, and as radio-protective agents.
1.2 Among the nume r -
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l-(2-Bromo-2-deoxy-l~-D-ribofuranosyl)adenine (1) and l-(2-bromo-2-deoxy-~-D-arabinofuranosyl)adenine (2) were incorporated into DNA pentadecamers. The oligonucleotides containing I destabilized DNA/DNA and DNA/RNA duplex formation. However, the oligonucleotides containing 2 slightly stabilized DNA/