2'-Deoxy-3',5'-O-(1,1,3,3-tetraisopropyldisiloxane-1,3-diyl)-2'-C-(2-trimethylsilylethynyl)-D-adenosine

The structure of the title compound, C₂₇H₄₇N₅O₄Si₃ (1), has been determined at 223 K. There are two independent molecules per asymmetric unit. The main structural characteristics are as follows: (i) the compound has a 2'S configuration and (ii) the furanose part of the molecule adopts a 3'-endo conformation [pseudorotation phase angle 27.5 (2)° and 26.8 (3)°].

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