2-amino-6-arylthiopurinephosphonate used in the antiviral agent of the present invention has no toxicity such as bone marrow cell growth inhibition or mutagenicity, and has a high antiviral activity, oral absorbency and safety. Furthermore, the compound of the present invention is effective for a mutant virus which is known to exhibit resistance to the conventional antiviral agents. Therefore, the present invention can provide a useful antiviral agent which leads to the establishment of a method for treating hepatitis B, which is a medically important object.
本发明抗病毒剂中使用的 2-
氨基-6-芳基
硫代
嘌呤膦酸盐没有毒性,如骨髓细胞生长抑制或诱变性,并且具有很高的抗病毒活性、口服吸收性和安全性。此外,本发明的化合物对已知对传统抗病毒剂具有抗药性的变异病毒有效。因此,本发明可以提供一种有用的抗病毒剂,从而建立一种治疗乙型肝炎的方法,这在医学上具有重要意义。