4-Oxo-pentanoic acid (2R,3S,5R)-2-[{(2R,3S,5R)-2-acetoxymethyl-5-[6-(2,5-dichloro-phenoxy)-2-isobutyrylamino-purin-9-yl]-tetrahydro-furan-3-yloxy}-(2-cyano-ethylsulfanyl)-phosphoryloxymethyl]-5-(6-benzoylamino-purin-9-yl)-tetrahydro-furan-3-yl ester 在
1,8-二氮杂双环[5.4.0]十一碳-7-烯 、
三氟乙酸 作用下,
以
二氯甲烷 为溶剂,
反应 17.58h,
生成 4-Oxo-pentanoic acid (2R,3S,5R)-2-({(2R,3S,5R)-2-acetoxymethyl-5-[6-(2,5-dichloro-phenoxy)-2-isobutyrylamino-purin-9-yl]-tetrahydro-furan-3-yloxy}-cyanomethylsulfanyl-phosphoryloxymethyl)-5-(6-benzoylamino-purin-9-yl)-tetrahydro-furan-3-yl ester