Synthesis of a novel pyrrolo-[3,2-c]quinoline N-oxide by aza-Baylis–Hillman adduct of o-nitrobenzaldehyde
作者:Evelina Colacino、Christophe André、Jean Martinez、Frédéric Lamaty
DOI:10.1016/j.tetlet.2008.05.121
日期:2008.8
for the synthesis of a novel pyrrolo-[3,2-c]quinoline N-oxide is described. The key step consisted in the palladium-catalyzed reductive cyclization of an uncommon 3-ketopyrrole derivative of o-nitrobenzaldehyde, obtained in a straightforward manner through an aza-Baylis–Hillman/ring closing metathesis/aromatization reaction. A deoxygenation reaction of this novel pyrrolo-[3,2-c]quinoline N-oxide afforded
描述了一种合成新型吡咯并-[3,2 - c ]喹啉N-氧化物的新方法。关键步骤包括钯催化的一种罕见的邻硝基苯甲醛的3-酮吡咯衍生物的还原环化反应,该反应是通过aza-Baylis-Hillman /环闭合复分解/芳构化反应以直接方式获得的。该新颖的吡咯并[3,2 - c ]喹啉N-氧化物的脱氧反应提供了新的取代的吡咯并[3,2- c ]喹啉类似物。