2',3'-Dideoxy-4-thio-uridine derivatives represented by a following general formula ##STR1## (wherein R indicates hydrogen or protecting groups such as acetyl group, benzoyl group, trityl groups, etc.), process for their preparation, antivirus agents used them as effective ingredients and therapeutic method and therapeutic drugs for virus diseases are disclosed.
本发明公开了一种由下列一般式所表示的2',3'-二脱氧-4-
硫代尿
嘧啶衍
生物:##STR1##(其中R表示氢或保护基,如乙酰基、苯甲酰基、三苯甲基等),以及它们的制备方法、作为有效成分的抗病毒剂、治疗病毒性疾病的治疗方法和治疗药物。