作者:Han Young Choi、Dong Wook Kim、Dae Yoon Chi、Eun Young Yoon、Dong Jin Kim
DOI:10.1021/jo0257039
日期:2002.7.1
Several novel 7-alkylamino-2-methylquinoline-5,8-diones (2) were synthesized from 2,5-dimethoxyaniline in five steps via the Skraup reaction followed by demethylations, oxidative bromination, amination, and debromination. We have achieved an unusual hydrobromic acid catalyzed debromination reactions of several 6-bromo-7-alkylamino-2-methylquinoline-5,8-diones, giving 7-alkylamino-2-methylquinoline-5
通过Skraup反应,在5个步骤中由2,5-二甲氧基苯胺合成了几种新颖的7-烷基氨基-2-甲基喹啉-5,8-二酮(2),然后进行去甲基化,氧化溴化,胺化和脱溴。我们已经实现了几种6-溴-7-烷基氨基-2-甲基喹啉-5,8-二酮的不寻常的氢溴酸催化的脱溴反应,从而以良好的收率得到了7-烷基氨基-2-甲基喹啉-5,8-二酮。