(R)-Phenyl-phosphoramidic acid (2R,3S,5R)-5-(6-amino-purin-9-yl)-2-[(4-methoxy-phenyl)-diphenyl-methoxymethyl]-tetrahydro-furan-3-yl ester 4-nitro-phenyl ester 在
对甲苯磺酸 作用下,
以
甲醇 、
氯仿 为溶剂,
反应 0.25h,
以0.02 g的产率得到(R)-Phenyl-phosphoramidic acid (2R,3S,5R)-5-(6-amino-purin-9-yl)-2-hydroxymethyl-tetrahydro-furan-3-yl ester 4-nitro-phenyl ester