Tris-(benzyltriazolylmethyl)amine is a useful reagent for copper (I) catalyzed azide-alkyne cycloadditions.┬аIt can also be used for postsynthetic labelling of alkyne-modified DNA.
Wang, Q., et al.: J. Am. Chem. Soc. 125, 3192 (2003); Gierlich, J., et al.:В Org. Lett 8, 3639 (2006)