Expanding the pleuromutilin class of antibiotics by de novo chemical synthesis
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New pleuromutilin-like compounds were synthesized in approximately 11 steps from 3-allylcyclopent-2-enone by a strategy featuring sequential carbonyl addition reactions. Several analogs possessing the C14 tiamulin ester side chain displayed activity in a Mycobacterium tuberculosis mc(2)7000 assay. The results described herein provide a basis for further efforts to expand the structural and stereochemical diversity of the pleuromutilin class of bacterial protein synthesis inhibitors through advances in chemical synthesis.
author list (cited authors)
Lotesta, S. D., Liu, J., Yates, E. V., Krieger, I., Sacchettini, J. C., Freundlich, J. S., & Sorensen, E. J.