ChemInform Abstract: 3′‐(1,2,3‐Triazol‐1‐yl)‐2′,3′‐dideoxythymidine and 3′‐(1,2,3‐Triazol‐1‐yl)‐2′,3′‐dideoxyuridine.

Abstract Cycloaddition of different acetylenic compounds such as (II), (IV), (VI) to the azido function of AZT (III) gives rise to a number of triazolyl derivatives such (I), (V), or (VII).