反应详情

By the use of 1-ethyl-6,7,8-trifluoro-1,4-dihydro-4-oxoquinoline-3-carboxylic acid and 2-(2-ethylaminoethyl)morpholine, the reaction is similarly carried out as Example 1 to give 1-ethyl-7-[2-(2-ethylaminoethyl)morpholino]-6,8-difluoro-1,4-dihydro-4-oxoquinoline-3-carboxylic acid.