supported by Guangdong Natural Science Foundation(S2013030013338);the Ph D.Programs Foundation of Ministry of Education of China(20114404130002);Guangdong Planed Program in Science and Technology(cgzhzd0808,2013B051000072,2012A020100002)
Gatifloxacin (GFX) is a kind of chiral fluoroquinolones compound due to the methyl group at the C-3 position of the piperazine ring[1]. Although the enantiomers of GFX show similar levels of antimicrobial activity a...