Volume 53, Issue 4 pp. 1057-1061
Communication

Mild Bioconjugation Through the Oxidative Coupling of ortho-Aminophenols and Anilines with Ferricyanide

Allie C. Obermeyer

Allie C. Obermeyer

Department of Chemistry, University of California, Berkeley, Berkeley, CA 94720-1460 (USA)

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John B. Jarman

John B. Jarman

Department of Chemistry, University of California, Berkeley, Berkeley, CA 94720-1460 (USA)

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Chawita Netirojjanakul

Chawita Netirojjanakul

Department of Chemistry, University of California, Berkeley, Berkeley, CA 94720-1460 (USA)

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Kareem El Muslemany

Kareem El Muslemany

Department of Chemistry, University of California, Berkeley, Berkeley, CA 94720-1460 (USA)

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Prof. Dr. Matthew B. Francis

Corresponding Author

Prof. Dr. Matthew B. Francis

Department of Chemistry, University of California, Berkeley, Berkeley, CA 94720-1460 (USA)

Materials Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720 (USA)

Department of Chemistry, University of California, Berkeley, Berkeley, CA 94720-1460 (USA)Search for more papers by this author
First published: 05 December 2013
Citations: 42

This work was supported by a grant from the NSF (CHE 1059083). A.C.O was supported by an NSF graduate research fellowship and the UC Berkeley Chemical Biology Program (NRSA Training Grant 1 T32 GMO66698). J.B.J. was supported by a SURF Rose-Hills summer research fellowship, and C.N. was supported by an HHMI International Student Fellowship.

Graphical Abstract

Having a complex: By using a small-molecule-based screen, ferricyanide was identified as an alternative, mild oxidant for the bioconjugation of anilines and o-aminophenols. The efficient coupling reaction is compatible with thiols and 1,2-diols, thus allowing its use in the creation of complex modified proteins.

Abstract

Using a small-molecule-based screen, ferricyanide was identified as a mild and efficient oxidant for the coupling of anilines and o-aminophenols on protein substrates. This reaction is compatible with thiols and 1,2-diols, allowing its use in the creation of complex bioconjugates for use in biotechnology and materials applications.

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