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(Macromolecules) Oligodeoxynucleosides with Olefin Bridges  
(Macromolecules) Oligodeoxynucleosides with Olefin Bridges
資料類型: PDF文件
關(guān)鍵詞: DNA  
資料大小: 883k
所屬學科: 高分子化學
來源: 來源網(wǎng)絡(luò)
簡介:
The synthesis and self-assembly studies of DNA/RNA-mimic artificial polymers have drawn extensive scientific attention, since synthetic chemists can manipulate the functions of these modified nucleic acid molecules by varying their macromolecular backbone and nucleoside unit structures. In this manuscript, we report two types of modified nucleic acids with olefin bridges prepared by acyclic diene metathesis polymerization (ADMET). The 3’-OH and 5’-OH groups of deoxythymidine and deoxyadenosine analogue monomers are functionalized with either two terminal allyl units or allyl and acryloyl units respectively. The consequent ADMET approaches provide either regio-uncontrolled oligodeoxynucleosides with poor E/Z selectivity or well-defined oligodeoxynucleosides built in a highly ordered head-to-tail addition manner. These two different macromolecular structures markedly influence the self-assembly morphologies of the corresponding oligodeoxynucleosides, which show spherical and filamentous helix nanostructures respectively.
上傳人: yangh
上傳時間: 2019-02-17 18:18:04
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