Choi, HY Kim, DW Chi, DY Yoon, EY Kim, DJ 2024-01-21T10:14:09Z 2024-01-21T10:14:09Z 2021-09-01 2002-07-26 0022-3263 https://pubs.kist.re.kr/handle/201004/139365 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-alkyl-amino-2-methylquinoline-5,8-diones, giving 7-alkylamino-2-methylquinoline-5,8-diones in good yields. English AMER CHEMICAL SOC STREPTONIGRIN LAVENDAMYCIN EFFICIENT SYSTEMS Preparation of 7-alkylamino-2-methylquinoline-5,8-diones Article 10.1021/jo0257039 1 JOURNAL OF ORGANIC CHEMISTRY, v.67, no.15, pp.5390 - 5393 JOURNAL OF ORGANIC CHEMISTRY 67 15 5390 5393 scie scopus 000176918900047 2-s2.0-0037178514 Chemistry, Organic Chemistry Article STREPTONIGRIN LAVENDAMYCIN EFFICIENT SYSTEMS quinolinedione