Palladium-Catalyzed Decarboxylative Coupling of Quinolinone-3-Carboxylic Acids and Related Heterocyclic Carboxylic Acids with (Hetero)aryl Halides
作者:Samir Messaoudi、Jean-Daniel Brion、Mouad Alami
DOI:10.1021/ol300235k
日期:2012.3.16
An efficient and practical decarboxylative cross-coupling reaction of quinolin-4(1H)-one 3-carboxylic acids with (hetero)aryl halides has been established. Under a bimetallic system of PdBr2 and silver carbonate, the protocol proved to be general, and a variety of 3-(hetero)aryl 4-quinolinones and related heterocycles, such as 3-aryl-1,8-naphthyridin-4(1H)-ones, 3-arylcoumarins, 3-arylquinolin-2(1H)-ones
已经建立了喹啉-4(1 H)-一个3-羧酸与(杂)芳基卤化物的有效和实用的脱羧交叉偶联反应。在PdBr 2和碳酸银的双金属体系下,该协议被证明是通用的,并且可以使用各种3-(杂)芳基4-喹啉酮和相关的杂环,例如3-芳基-1,8-萘啶-4(1 ħ) -酮,3- arylcoumarins,3 - arylquinolin-2(1 ħ) -酮,和2- arylchromones,可以用很好的准备优异的产率。