Phosphoric acid 2-benzenesulfonyl-ethyl ester (2R,3R,3aR,9aR)-2-(6-benzoylamino-purin-9-yl)-5,5,7,7-tetraisopropyl-tetrahydro-1,4,6,8-tetraoxa-5,7-disila-cyclopentacycloocten-3-yl ester 2-chloro-phenyl ester 在
盐酸 作用下,
以
1,4-二氧六环 为溶剂,
反应 2.0h,
以82%的产率得到(2R,3R,4R,5R)-2-(6-benzamido-9H-purin-9-yl)-4-((3-hydroxy-1,1,3,3-tetraisopropyldisiloxaneyl)oxy)-5-(hydroxymethyl)tetrahydrofuran-3-yl (2-chlorophenyl) (2-(phenylsulfonyl)ethyl) phosphate