Synthesis and Reactions of Allenic Sulfone-Modified Thymidine: The First Allenic Sulfone to Alkylate Deoxyadenosine
作者:Tanmaya Pathak、Sanjib Bera
DOI:10.1055/s-2004-832807
日期:——
3′-(S)-(allenic sulfonyl)-5′-benzoyl-3′-deoxythymidine has been synthesized from 1-(5-O-trityl-3-O-mesyl-2-deoxy-β-d-threopentofuranosyl) thymine via 3′-(S)-(propargylthio)-5′-trityl-3′-deoxythymidine in six steps. 3′-(S)-(allenic sulfonyl)-3′-deoxythymidine reacts very efficiently with a wide array of nucleophiles. This is also the first report on the alkylation of adenine moiety by some allenic sulfone modified compounds.
3′-(S)-(异烯磺酰基)-5′-苯甲酰基-3′-脱氧胸苷是由 1-(5-O-三苯甲基-3-O-甲砜基-2-脱氧-δ-d-苏氨酰)胸腺嘧啶通过 3′-(S)-(丙炔硫基)-5′-三苯甲基-3′-脱氧胸苷合成的。3′-(S)-(丙炔基硫基)-5′-三苯甲基-3′-脱氧胸苷经六个步骤由 1-(5-O-三苯甲基-3-O-甲磺酰-2-脱氧-δ-d-苏氨戊呋糖基)胸腺嘧啶合成。3′-(S)-(异戊烯磺酰基)-3′-脱氧胸苷能与多种亲核物发生高效反应。这也是首次报道一些异烯砜修饰化合物对腺嘌呤分子的烷基化作用。