Provided herein are novel substituted phenyl oxazolidinones and to processes for the synthesis thereof. Also provided are pharmaceutical compositions comprising one or more compounds described herein The compounds described can be useful antimicrobial agents, which can be effective against a number of human and veterinary pathogens, including gram-positive aerobic bacteria such as multiple-resistant staphylococci, streptococci and enterococci, as well as, anaerobic organisms, such as Bacterioides spp. and Clostridia spp. species, and acid fast organisms, such as Mycobacterium tuberculosis, Mycobacterium avium and Mycobacterium spp.