The present invention provides a compound of the Formula (I)
wherein R is 9-isopropyl-9H-purin-6-amine; 2-amino-9-isopropyl-1H-purin-6(9H)-one; 4-amino-1-isopropyl pyrimidin-2(1H)-one; or 1-isopropyl-5-methylpyrimidine-2,4(1H,3H)-dione, R′ is —CH
2
OC(O)R″, and R″ is —C(CH
3
)
3
or —CH(CH
3
)
2
including pharmaceutically acceptable salts thereof. The present invention also provides a process for preparing a compound of formula (Ia) and a compound of formula (I) for use in treating a viral infection.
本发明提供了一种式(I)的化合物,其中R为9-异丙基-9H-
嘌呤-6-胺;2-
氨基-9-异丙基-1H-
嘌呤-6(9H)-酮;4-
氨基-1-异丙基
嘧啶-2(1H)-酮;或1-异丙基-5-
甲基嘧啶-2,4(1H,3H)-二酮,R′为—CH2OC(O)R″,R″为—C(
CH3)3或—CH( )2,包括其药学上可接受的盐。本发明还提供了制备式(Ia)和式(I)化合物的方法,用于治疗病毒感染。