(2R,3aR,9aR)-3-Hydroxy-5,5,7,7-tetraisopropyl-2-(4-{[(4-methoxy-phenyl)-diphenyl-methyl]-amino}-2-oxo-2H-pyrimidin-1-yl)-tetrahydro-1,4,6,8-tetraoxa-5,7-disila-cyclopentacyclooctene-3-carbonitrile 在
吡啶 、
溶剂黄146 、
1,8-二氮杂双环[5.4.0]十一碳-7-烯 作用下,
反应 73.33h,
生成
<1-<3',5'-O-(tetraisopropyldisiloxan-1,3-diyl)-β-D-ribofuranosyl>-cytosine>-2'-spiro-5''-(4''-amino-1'',2''-oxathiole-2'',2''-dioxide)