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Review
, 50 (38), 8794-804

Reliable and Efficient Procedures for the Conjugation of Biomolecules Through Huisgen Azide-Alkyne Cycloadditions

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Review

Reliable and Efficient Procedures for the Conjugation of Biomolecules Through Huisgen Azide-Alkyne Cycloadditions

Enrique Lallana et al. Angew Chem Int Ed Engl.

Abstract

The Cu(I)-catalyzed azide-alkyne cycloaddition (CuAAC) has been established as a powerful coupling technology for the conjugation of proteins, nucleic acids, and polysaccharides. Nevertheless, several shortcomings related to the presence of Cu, mainly oxidative degradation by reactive oxygen species and sample contamination by Cu, have been pointed out. This Minireview discusses key aspects found in the development of the efficient and benign functionalization of biomacromolecules through CuAAC, as well as the Cu-free strain-promoted azide-alkyne cycloaddition (SPAAC).

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