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Physical Sciences and Mathematics

Michigan Technological University

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Oligodeoxynucleotide Synthesis Using Protecting Groups And A Linker Cleavable Under Non-Nucleophilic Conditions, Xi Lin Jan 2013

Oligodeoxynucleotide Synthesis Using Protecting Groups And A Linker Cleavable Under Non-Nucleophilic Conditions, Xi Lin

Dissertations, Master's Theses and Master's Reports - Open

Oligodeoxynucleotides (ODNs) containing latent electrophilic groups can be highly useful in antisense drug development and many other applications such as chemical biology and medicine, where covalent cross-linking of ODNs with mRNA, protein and ODN is required. However, such ODN analogues cannot be synthesized using traditional technologies due to the strongly nucleophilic conditions used in traditional deprotection/cleavage process.

To solve this long lasting and highly challenging problem in nucleic acid chemistry, I used the 1,3-dithian-2-yl-methoxycarbonyl (Dmoc) function to protect the exo-amino groups on the nucleobases dA, dC and dG, and to design the linker between the nascent ODN and ...