(2R,4R)-3-(3-aminopropyl)-2-[(4R)-2-(2-hydroxyphenyl)-4,5-dihydro-1,3-thiazol-4-yl]-1,3-thiazolidine-4-carboxylic acid 、
1-Cyclopropyl-6-fluoro-4-oxo-7-[4-[[4-oxo-4-(2,3,4,5,6-pentafluorophenoxy)butanoyl]oxymethoxycarbonyl]piperazin-1-yl]quinoline-3-carboxylic acid 在
N,N-二异丙基乙胺 作用下,
以
二氯甲烷 为溶剂,
反应 12.0h,
以39%的产率得到(4R)-3-[3-[[4-[[4-(3-carboxy-1-cyclopropyl-6-fluoro-4-oxoquinolin-7-yl)piperazine-1-carbonyl]oxymethoxy]-4-oxobutanoyl]amino]propyl]-2-[(4R)-2-(2-hydroxyphenyl)-4,5-dihydro-1,3-thiazol-4-yl]-1,3-thiazolidine-4-carboxylic acid