(R)-2-acetoxy-1-((3aR,5R,6S,6aR)-6-(acryloyloxy)-2,2-dimethyltetrahydrofuro[2,3-d][1,3]dioxol-5-yl)ethyl 4-chloro-4-oxobutanoate 、
环丙沙星盐酸盐 在
三乙胺 作用下,
以
二氯甲烷 为溶剂,
反应 10.0h,
以56%的产率得到7-(4-(4-((R)-2-acetoxy-1-((3aR,5R,6S,6aR)-6-(acryloyloxy)-2,2-dimethyltetrahydrofuro[2,3-d][1,3]dioxol-5-yl)ethoxy)-4-oxobutanoyl)piperazin-1-yl)-1-cyclopropyl-6-fluoro-4-oxo-1,4-dihydroquinoline-3-carboxylic acid