Synthesis of benzo[c][2,7]naphthyridine-6-ones via cascade aromatization/C(sp2)–H amidation of 1,4-dihydropyridines
作者:Laichun Luo、Qiang Wang、Xiaozhi Peng、Chunling Hu、Hong Wang
DOI:10.1016/j.tetlet.2017.06.009
日期:2017.7
A K2S2O8-mediated cascade dehydrogenative aromatization/intramolecular C(sp2)–H amidation of 1,4-dihydropyridines is described. This method provides an efficient access to multisubstituted benzo[c][2,7]naphthyridine-6-ones in 38–74% yields.
描述了AK 2 S 2 O 8介导的1,4-二氢吡啶的级联脱氢芳构化/分子内C(sp 2)-H酰胺化。该方法可有效获得多取代的苯并[ c ] [2,7]萘啶-6-酮,产率为38-74%。