Abstract
A largely historical survey is presented on the development of methods for the synthesis of oligonucleotides containing either 3??-S- or 5??-S-phosphorothiolate linkages. The properties of these modifications are discussed with emphasis on their specific cleavage and the use of a metal ion specificity switch for investigating the role of metal ions in enzyme- catalysed DNA/RNA cleavage processes. Finally, the effect of the 3??-S-phosphorothiolate modification on the structure of nucleic acids is described.
Call for Papers in Thematic Issues
Catalytic C-H bond activation as a tool for functionalization of heterocycles
The major topic is the functionalization of heterocycles through catalyzed C-H bond activation. The strategies based on C-H activation not only provide straightforward formation of C-C or C-X bonds but, more importantly, allow for the avoidance of pre-functionalization of one or two of the cross-coupling partners. The beneficial impact of ...read more
Chemistry and Biology of Carbohydrates
Carbohydrates are one of the most abundant natural products and are considered to be extremely important biomolecules for their ever-increasing impact on chemistry and biology. Their role in several important biological processes, notably energy storage, transport, modulation of protein function, intercellular adhesion, malignant transformation, signal transduction, viral, and bacterial cell ...read more
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