Disclosed are methods and intermediates for the preparation of 7-(2′-R
1
-substituted-β-D-ribofuranosyl)-4-amino-5-(optionally substituted ethyn-1-yl)-pyrrolo[2,3-d]pyrimidine compounds. These compounds are useful in treating viral infections caused by a flaviviridae family virus, such as hepatitis C virus.
本发明涉及制备7-(2'-R1-取代的β-
D-核糖呋喃基)-4-
氨基-5-(可选择取代的
乙炔基)-
吡咯并[2,3-d]
嘧啶类化合物的方法和中间体。这些化合物可用于治疗由黄病毒科病毒引起的病毒感染,例如丙型肝炎病毒。