Acetic acid (2R,3R,4R,5R)-4-acetoxy-5-acetoxymethyl-2-[6-(2,4,6-trimethyl-benzenesulfonyloxy)-2-(trityl-amino)-purin-9-yl]-tetrahydro-furan-3-yl ester 在
溶剂黄146 作用下,
以
1,4-二氧六环 、
水 为溶剂,
反应 1.0h,
以100%的产率得到Acetic acid (3R,4R,5R)-4-acetoxy-5-acetoxymethyl-2-[2-amino-6-(2,4,6-trimethyl-benzenesulfonyloxy)-purin-9-yl]-tetrahydro-furan-3-yl ester