Synthesis and biological evaluation of photoaffinity labeled fusidic acid analogues.

J Med Chem

LEO Pharma, Industriparken 55, 2750 Ballerup, Denmark.

Published: March 2006

Novel photoaffinity labeled fusidic acid analogues were obtained by a synthetic sequence employing a Wittig reaction between a fusidic acid aldehyde and benzyl bromides in the key step. Three commonly used photoreactive groups, benzophenone, trifluoromethyldiazirine, and aryl azide, were used. The photoaffinity labeled fusidic acid analogues demonstrated a potent antibacterial activity (MIC 0.016-4 microg/mL) and therefore represent a potential tool for the elucidation of the interactions between fusidic acid and its receptor EF-G.

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http://dx.doi.org/10.1021/jm050583tDOI Listing

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