Oxyquinoline and methyl-2(1H)-quinolinone were the intermediate degradation products of quinoline and methyl quinoline respectively.
喹啉和甲基喹啉的降解可生成羟基喹啉和甲基2（1H）喹啉酮中间产物。
2
AIM To design and synthesize 7-hydroxy-3-(substituted) phenyl-4(1H) quinolinone and 5-hydroxy-3-(substituted) phenyl-4(1H) quinolinone and to study the antiosteoporosis activity of these compounds.