The present invention relates to (+)-trans-isomers of (1-phosphonomethoxy-2-alkylcyclopropyl)methyl nucleoside derivatives of the formula (1) which are useful as an antiviral agent (particularly, against hepatitis B virus), pharmaceutically acceptable saltss, hydrates, or solvates thereof, and processes for the preparation of stereoisomers of the compounds of the formula (1), and a composition for the treatment of viral diseases (particularly, against hepatitis B virus) comprising (+)-trans-isomer of the compound of the formula (1), pharmaceutically acceptable salt, hydrate, or solvate thereof as an active substance.
本发明涉及公式(1)的(1-
磷酸甲氧基-2-烷基环丙基)甲基核苷衍
生物的(+)-顺式异构体,其可用作抗病毒剂(特别是对乙型肝炎病毒),其药学上可接受的盐,
水合物或溶剂化物,以及制备公式(1)化合物的立体异构体的过程,以及一种用于治疗病毒性疾病(特别是对乙型肝炎病毒)的组合物,包括公式(1)化合物的(+)-顺式异构体,其药学上可接受的盐,
水合物或溶剂化物作为活性物质。