Acetic acid (2R,3R,4R,5R)-2-(4-benzoylamino-2-oxo-2H-pyrimidin-1-yl)-4-benzyloxy-5-(2-isopropoxysulfonyl-ethyl)-tetrahydro-furan-3-yl ester 在
四丁基碘化铵 作用下,
以
丙酮 为溶剂,
以76%的产率得到Sodium; 2-[(2R,3R,4R,5R)-4-acetoxy-5-(4-benzoylamino-2-oxo-2H-pyrimidin-1-yl)-3-benzyloxy-tetrahydro-furan-2-yl]-ethanesulfonate