A rapid, efficient and eco-friendly synthesis of 2-aroxyquinolines and 2-aminoquinolines was developed respectively through activating agent-promoted deoxygenative aryloxylation/amination. The main challenges in constructing C2–O or C2–N bonds from N-oxides lie in overcoming two side reactions: the reaction between the activating agent and the nucleophile, and the associated reaction at the C4-position. Compared to previous reports, this method benefits from an eco-friendly solvent, short reaction time, simple operation, and wide substrate scope, providing a variety of heteroaryl ethers and amines. We have demonstrated a gram-scale synthesis and calculated the green chemistry metrics to highlight the advantage of the developed synthetic method.

中文翻译：

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绿色、快速的喹啉2-芳氧基化/胺化

通过活化剂促进的脱氧芳氧基化/胺化，分别开发了2-芳氧基喹啉和2-氨基喹啉的快速、高效和环保的合成方法。从N-氧化物构建C2-O或C2-N键的主要挑战在于克服两个副反应：活化剂和亲核试剂之间的反应，以及C4位的相关反应。与之前的报道相比，该方法具有溶剂环保、反应时间短、操作简单、底物范围广等优点，可提供多种杂芳基醚和胺。我们展示了克级合成并计算了绿色化学指标，以突出所开发的合成方法的优势。