DMTr-2'-O-Et-rA(Bz)-3'-CE-Phosphoramidite, utilized in oligonucleotide synthesis, contains an ethyl (Et) group at the 2'-O position, and a benzoyl (Bz) protecting group on the adenine amino group. The 3'-end is functionalized with a cyanoethyl (CE) group, facilitating efficient coupling reactions during solid-phase synthesis. It is employed to introduce modified adenine residues into nucleic acid sequences, enhancing stability and target specificity for various molecular biology applications, including RNA labeling, gene synthesis, and RNA interference studies.
Chemical Structure:
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