Synthesis of phosphorofluoridates and phosphorofluoridothioates via the phosphoramidite approach
作者:Wojciech Dabkowski、Izabela Tworowska
DOI:10.1039/b413552k
日期:——
We present a very efficient synthetic procedure leading to the phosphorofluoridates RO-P(O)(OH)F 1 or phosphorofluoridothioates RO-P(S)(OH)F 2, which is based on the intermediary of fluorophosphoramidites (RO)P(F)NiPr25 [R = 9-(hydroxyethyloxymethyl)guaninyl), 3′azido-3′deoxythymidinyl, thymidinyl, anhydrothymidinyl, cholesteryl, N6-benzoyl-5′-O-(4,4′-dimethoxytrityl)-2′-deoxyadenosinyl]. The activation of the amino group was performed with trimethylchlorosilane (TMCS).