Visible light-mediated direct C8–H arylation of quinolines and C2–H arylation of quinoline-<i>N</i>-oxides and pyridines under organic photocatalysis
作者:Saira Banu、Kuldeep Singh、Prem P. Yadav
DOI:10.1039/d3nj04956f
日期:——
direct C–H arylation of quinolines and quinoline N-oxides/pyridines selectively at the C-8 and C-2 positions, respectively, using chlorophyll as the organic photocatalyst. This method offers a simple, practical route for direct access to C8-aryl quinolines, C2-aryl pyridines, and quinoline N-oxides. The key advantages of the present protocol include operational simplicity, the use of clean energy sources
CH-芳基化喹啉在药物发现以及精细化学品和材料科学领域有着广泛的应用。在此,我们报告了一种通用的、无过渡金属的、环境友好的光催化策略,以叶绿素为原料,分别在 C-8 和 C-2 位选择性地直接对喹啉和喹啉N-氧化物/吡啶进行 C-H 芳基化。有机光催化剂。该方法为直接获得 C8-芳基喹啉、C2-芳基吡啶和喹啉 N-氧化物提供了简单、实用的途径。本协议的主要优点包括操作简单、使用清洁能源、试剂成本低以及不需要预功能化基材。