Synthesis and Antibacterial Activity of 6-O-Arylbutynyl Ketolides with Improved Activity against Some Key Erythromycin-Resistant Pathogens

Abstract
A series of novel 6-O-substituted homopropargyl ketolides was synthesized and evaluated against various erythromycin-resistant pathogens. Promising in vitro antibacterial activity was demonstrated for compounds bearing this structural motif.