6,7-difluoro-4-oxo-1-(4-trifluoromethyl-benzyl)-1,4-dihydro-quinoline-3-carbonitrile 、
硫代吗啉-1,1-二氧化物 以gave 7-(1,1-dioxo-thiomorpholin-4-yl)-6-fluoro-4-oxo-1-(4-trifluoromethyl-benzyl)-1,4-dihydro-quinoline-3-carbonitrile的产率得到7-(1,1-dioxo-thiomorpholin-4-yl)-6-fluoro-4-oxo-1-(4-trifluoromethyl-benzyl)-1,4-dihydro-quinoline-3-carbonitrile