3-hydroxy-2-(2-phenylpropan-2-yl)-7,8,9,10-tetrahydrobenzo[h]quinoline-4-carboxylic acid 、 、
3-methyl-2-oxo-3-phenylbutyl acetate 、 、
6,7-二甲基-1H-吲哚-2,3-二酮 、
sodium hydroxide 以The desired product was isolated as a yellow lyophilized powder (0.190 g, 10%)的产率得到3-hydroxy-7,8-dimethyl-2-(2-phenylpropan-2-yl)quinoline-4-carboxylic acid