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Journal of the American Chemical Society

Bioconjugation by native chemical tagging of C-H bonds.


PMID 23957305

Abstract

A general C-H functionalization method for the tagging of natural products and pharmaceuticals is described. An azide-containing sulfinate reagent allows the appendage of azidoalkyl chains onto heteroaromatics, the product of which can then be attached to a monoclonal antibody by a "click" reaction. This strategy expands the breadth of bioactive small molecules that can be linked to macromolecules in a manner that is beyond the scope of existing methods in bioconjugation to permit tagging of the "seemingly untaggable".

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