Acetic acid (2R,3S,4R,5R)-2-(6-benzoylamino-purin-9-yl)-4-{(2-cyano-ethoxy)-[(2R,3R,4S,5R)-3,4-diacetoxy-5-(6-benzoylamino-purin-9-yl)-tetrahydro-furan-2-ylmethoxy]-phosphoryloxy}-5-hydroxymethyl-tetrahydro-furan-3-yl ester 在
ammonium hydroxide 作用下,
以
乙醇 为溶剂,
反应 18.0h,
以32%的产率得到Phosphoric acid (2R,3S,4S,5R)-5-(6-benzoylamino-purin-9-yl)-3,4-dihydroxy-tetrahydro-furan-2-ylmethyl ester (2R,3S,4S,5R)-5-(6-benzoylamino-purin-9-yl)-4-hydroxy-2-hydroxymethyl-tetrahydro-furan-3-yl ester 2-cyano-ethyl ester