三氟乙酸 、
3-[4-(4-tert-butoxycarbonyl-piperazine-1-sulfonyl)-benzyl]-7-chloro-4-oxo-1-phenyl-1,4-dihydroquinoline-2-carboxylic acid methyl ester 在
methanol-dichloromethane 作用下,
以
二氯甲烷 为溶剂,
反应 2.0h,
以to afford 7-chloro-4-oxo-1-phenyl-3-[4-(piperazine-1-sulfonyl)-benzyl]-1,4-dihydro-quinoline-2-carboxylic acid methyl ester trifluoroacetate as an off-white powder的产率得到7-chloro-4-oxo-1-phenyl-3-[4-(piperazine-1-sulfonyl)-benzyl]-1,4-dihydro-quinoline-2-carboxylic acid methyl ester trifluoroacetate