[(1S,2S,4R)-2-[tert-butyl(dimethyl)silyl]oxy-4-[4-(cyclohexylmethylamino)thieno[3,2-d]pyrimidin-7-yl]cyclopentyl]methyl sulfamate 、
三氟乙酸 在
[(1S,2S,4R)-4-[4-(cyclohexylmethylamino)thieno[3,2-d]pyrimidin-7-yl]-2-hydroxy-cyclopentyl]methyl sulfamate 作用下,
以
二氯甲烷 为溶剂,
反应 3.0h,
以to afford [(1S,2S,4R)-4-[4-(cyclohexylmethylamino)thieno[3,2-d]pyrimidin-7-yl]-2-hydroxy-cyclopentyl]methyl sulfamate (Compound 18) (7 mg, 68%)的产率得到[(1S,2S,4R)-4-[4-(cyclohexylmethylamino)thieno[3,2-d]pyrimidin-7-yl]-2-hydroxy-cyclopentyl]methyl sulfamate