http / /www.hxtb.org 化学通报 2022 年 第 85 卷 第 4 期 ·485· 1 , 1 , 3 , 2* , 1 2* Feng Yali Li Ke Huang Wenlong Cui Hongyan Hu Guoqiang � 1 , Water Environment and Health Henan Engineering Technology Research Center Zhengzhou University of , , � 2 , , , � Industrial Technology Zhengzhou 451150 School of Clinical Medicine Henan University Kaifeng 475001 3 , , , � Centre of Drug Discovery China Pharmaceutical University Nanjing 210009 , , Abstract Based on the structural features of α β-unsaturated ketones 12 novel chalcone-like fluoroquinolone � � , target compounds 5a ~ 5l were designed and synthesized and th