Issue 17, 2015

Facile synthesis of borofragments and their evaluation in activity-based protein profiling

Abstract

The discovery of enzyme inhibitors relies on synthetic methods that enable rapid and modular construction of small molecules. Heterocyclic fragments designed to maximize enthalpic interactions with their protein targets represent a particularly desirable class of molecules. Here we describe a reagent that enables straightforward construction of “borofragments”, in which a heterocycle is separated from the boron center by two or three rotatable bonds. The stability of these molecules depends on the MIDA group which likely acts as a slow-release element under biological conditions. Borofragments can be used to discover inhibitors of enzymes that use catalytic oxygen nucleophiles. We have employed this method to identify inhibitors of ABHD10 and the predicted carboxypeptidase CPVL. This technique should be applicable to other classes of targets.

Graphical abstract: Facile synthesis of borofragments and their evaluation in activity-based protein profiling

Supplementary files

Article information

Article type
Communication
Submitted
14 noy 2014
Accepted
12 yan 2015
First published
14 yan 2015

Chem. Commun., 2015,51, 3608-3611

Facile synthesis of borofragments and their evaluation in activity-based protein profiling

S. Adachi, A. B. Cognetta, M. J. Niphakis, Z. He, A. Zajdlik, J. D. St. Denis, C. C. G. Scully, B. F. Cravatt and A. K. Yudin, Chem. Commun., 2015, 51, 3608 DOI: 10.1039/C4CC09107H

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