methyl 1-cyclopropyl-6,7-difluoro-1,4-dihydro-8-methoxy-5-(N-methyltrifluoroacetamido)-4-oxoquinoline-3-carboxylate 在
水 作用下,
以
溶剂黄146 、
盐酸 为溶剂,
反应 4.0h,
以to give 1-cyclopropyl-6,7-difluoro-1,4-dihydro-8-methoxy-5-methylamino-4-oxoquinoline-3-carboxylic acid (605 mg, 92%) as a yellow solid的产率得到1-Cyclopropyl-6,7-difluoro-1,4-dihydro-5-methylamino-8-methoxy-4-oxoquinoline-3-carboxylic acid