1169867-86-0Relevant academic research and scientific papers
Transition-Metal-Free One-Pot Tandem Synthesis of 4-Quinolone and 4 H -Thiochromen-4-one Derivatives Through Sequential Nucleophilic Addition-Elimination-S N Ar Reaction
Wang, Deqiang,Sun, Peng,Jia, Peiyun,Peng, Jinsong,Yue, Yixia,Chen, Chunxia
, p. 4309 - 4320 (2017/09/13)
4-Quinolone and 4 H -thiochromen-4-one derivatives are readily synthesized in a tandem one-pot manner in good to excellent yields. Starting from (Z)-β-chlorovinyl ketones, an intermolecular nucleo-philic addition of amines or sodium hydrogen sulfide to (Z
Direct Synthesis of 4-Quinolones via Copper-Catalyzed Anilines and Alkynes
Xu, Xuefeng,Zhang, Xu
supporting information, p. 4984 - 4987 (2017/09/22)
A unique and direct approach for constructing 4-quinolones from simple and readily available anilines and alkynes is described. Under the optimal conditions, both N-alkyl- and N-aryl-substituted anilines can be successfully transformed into the corresponding 4-quinolones. This reaction is characterized by mild reaction conditions, high functional-group tolerance, and amenability to gram-scale synthesis.
One-Pot Synthesis of Quinolin-4(1 H)-one Derivatives by a Sequential Michael Addition-Elimination/Palladium-Catalyzed Buchwald-Hartwig Amination Reaction
Wang, Yinghua,Liang, Hanyu,Chen, Chunxia,Wang, Deqiang,Peng, Jinsong
, p. 1851 - 1860 (2015/06/30)
A convenient approach has been developed for the construction of quinolin-4(1H)-one frameworks, starting from (Z)-β-chlorovinyl aromatic ketones and amines. Intermolecular Michael addition of an amine to a (Z)-β-chlorovinyl ketone was followed by eliminat
Synthesis of N-alkyl-substituted 4-quinolones via tandem alkenyl and aryl C-N bond formation
Shao, Jun,Huang, Xiaomei,Hong, Xiaohu,Liu, Bingxin,Xu, Bin
experimental part, p. 1798 - 1808 (2012/08/08)
N-Alkyl-substituted 4-quinolones are present as the key structural motif in many marketed drugs. An efficient one-step tandem amination approach was developed to afford N-alkyl-substituted 4-quinolones in high yields from easily accessible o-chloroaryl acetylenic ketones and functionalized alkyl amines. The approach complements and extends our previous work. Compared with other reported methods, the current method provides a very simple and convenient route. Georg Thieme Verlag Stuttgart · New York.
Palladium-catalyzed tandem amination reaction for the synthesis of 4-quinolones
Zhao, Tlankun,Xu, Bin
supporting information; experimental part, p. 212 - 215 (2010/03/24)
(Figure presented) An efficient palladium-catalyzed tandem amlnatlon approach was developed In one step to afford functlonallzed 4-qulnolones In good to excellent ylelds from easlly accessible o-haloaryl acetylenlc ketones and primary amines.
1,2-Disubstituted 4-quinolones via copper-catalyzed cyclization of 1-(2-halophenyl)-2-en-3-amin-1-ones
Bernini, Roberta,Cacchi, Sandro,Fabrizi, Giancarlo,Sferrazza, Alessio
experimental part, p. 1209 - 1219 (2009/12/07)
1,2-Disubstituted 4-quinolones have been prepared via copper-catalyzed heterocyclization of 1-(2-bromophenyl)- and 1-(2-chlorophenyl)-2-en-3-amin-1- ones, readily obtained from α,β-ynones and primary amines. The reaction tolerates a variety of useful functionalities including ester, keto, cyano, and chloro substituents. Quinolone derivatives can also be prepared via a sequential process from α,β-ynones and primary amines, omitting the isolation of the 1-(2-halophenyl)-2-en-3-amin-1-one intermediates. Georg Thieme Verlag Stuttgart.
