A class of novel 2-.beta.-D-ribofuranosylselenazole-4-carboxamide nucleoside and nucleotide compounds and methods for their production are provided. Compounds of the class typically have pharmacological properties, especially antitumor and antiviral properties, and are well tolerated, being useful, for example, in treating tumors and viral infections in warm blooded animals.
本发明提供了一类新型的2-β-
D-核糖呋喃硒唑-4-羧酰胺核苷和核苷酸化合物及其制备方法。该类化合物通常具有药理学特性,尤其是抗肿瘤和抗病毒特性,并且耐受性良好,例如在治疗温血动物的肿瘤和病毒感染方面有用。