3-(Chroman-4-yl)-2-hydroxy-2-trifluoromethylpropion-aldehyde 、
5-氨基-2-氧代-1,2-二氢喹啉 以to yield the corresponding 5-{[3-(chroman-4-yl)-2-hydroxy-2-(trifluoromethyl) propylidene]amino}quinolin-2(1H)-one的产率得到5-{[3-(chroman-4-yl)-2-hydroxy-2-(trifluoromethyl)-propylidene]amino}quinolin-2(1H)-one