[(2R,3S,3aR,9aR)-2-(4-Benzylamino-2-oxo-2H-pyrimidin-1-yl)-3-hydroxy-5,5,7,7-tetraisopropyl-tetrahydro-1,4,6,8-tetraoxa-5,7-disila-cyclopentacycloocten-3-ylmethyl]-triphenyl-phosphonium; bromide 在
sodium hydride 作用下,
以
四氢呋喃 为溶剂,
反应 2.0h,
以52%的产率得到N
4-benzoyl-1-<2-deoxy-2-methylidene-3,5-O-(tetraisopropyldisiloxane-1,3-diyl)-β-D-ribofuranosyl>cytosine