α-Lithiation and Electrophilic Substitution of 1,4,4-Trimethyl-3,4-dihydroquinolin-2-one
作者:Bouclé Sébastien、Guillard Jérôme、Viaud-Massuard Marie-Claude
DOI:10.3390/molecules15117742
日期:——
Treatment of 1,4,4-trimethyl-3,4-dihydroquinolin-2(1H)-one (2) with lithium diisopropylamide (LDA) followed by a wide range of electrophiles give the corresponding 4,4-dimethyl-3-substituted-3,4-dihydroquinolin-2-ones 3-13, providing a very mild electrophilic substitution of the 4,4-dimethyl-1,2,3,4-tetrahydroquinoline core.
1,4,4-三甲基-3,4-二氢喹啉-2(1H)-酮(2)与二异丙胺锂(LDA)的反应,随后与多种电亲体反应,得到相应的4,4-二甲基-3-取代-3,4-二氢喹啉-2-酮(3-13),实现了对4,4-二甲基-1,2,3,4-四氢喹啉核心的非常温和的电亲替换反应。