3-ethoxycarbonyl-6-methyl-4-(m-toluidino)-2H-pyran-2-one 在
PPA 作用下,
反应 0.17h,
生成
1-(4-Hydroxy-7-methyl-quinolin-2-yl)-propan-2-one 、 1-(4-Hydroxy-5-methyl-quinolin-2-yl)-propan-2-one 、 10-Hydroxy-3,9-dimethyl-pyrano[4,3-b]quinolin-1-one 、 10-Hydroxy-3,7-dimethyl-pyrano[4,3-b]quinolin-1-one