Fast Copper-Free Click DNA Ligation by the Ring Strain Promoted Alkyne-Azide Cycloaddition Reaction

M. Shelbourne, X. Chen, T. Brown and A. H. El-Sagheer. Chem. Commun. 47, 6257-6259, 2011.

Abstract

Templated DNA strand ligation by the ring-strain promoted alkyne–azide [3+2] cycloaddition reaction is very fast; with dibenzocyclooctyne, the reaction is essentially complete in 1 min. It is inhibited by the presence of a single mismatched base pair suggesting applications in genetic analysis.

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