Copper-Catalyzed Aza-Michael Addition of 2-Aminobenzoate to β-Substituted α,β-Unsaturated Ketones: One-Pot Synthesis of 3-Carbonyl-2-Substituted Quinolin-4(1<i>H</i>)-ones
作者:Seongil Kang、Subin Park、Kyung-su Kim、Changsik Song、Yunmi Lee
DOI:10.1021/acs.joc.7b03162
日期:2018.3.2
We present a new and straightforward one-pot process for the synthesis of 3-carbonyl-4-quinolone derivatives through highly efficient Cu-catalyzed aza-Michael addition of 2-aminobenzoates to β-substituted α,β-unsaturated ketones/cyclization/mild oxidation reactions. A broad range of new versatile 3-carbonyl-quinolin-4(1H)-ones is prepared from readily available chemicals under mild reaction conditions
我们提出了一种新的,直接的一锅法,用于通过高效的Cu催化2-氨基苯甲酸酯向β-取代的α,β-不饱和酮/环化/温和的2-氨基苯甲酸酯加成反应来合成3-羰基-4-喹诺酮衍生物氧化反应。在温和的反应条件下,以较短的反应时间,由现成的化学物质制备了种类繁多的新型多功能3-羰基-喹啉-4(1 H)-酮,可产生良好至极好的收率(高达99%)。