三乙烯二胺 、
1-(6-hydroxy-2,2-dimethyl-1,3-dioxepan-5-yl)-piperazine 、
7-氯-6-氟-1-环丙基-1,4-二氢-4-氧-3-喹啉羧酸 在
甲醇 、 Methanol;2-methoxyethanol 作用下,
以
二甲基亚砜 为溶剂,
反应 4.0h,
以0.5 g of 1-cyclopropyl-6-fluoro-1,4-dihydro-7-[4-(6-hydroxy-2,2-dimethyl-1,3-dioxepan-5-yl)-1-piperazinyl]-4-oxo-3-quinolinecarboxylic acid of melting point 255°-262° (with decomposition) is obtained的产率得到1-cyclopropyl-6-fluoro-1,4-dihydro-7-[4-(6-hydroxy-2,2-dimethyl-1,3-dioxepan-5-yl)-1-piperazinyl]-4-oxo-3-quinolinecarboxylic acid