3-dicarbonyl-initiated one-pot Michael addition/[5 + 1] annulation/dehydrofluorinative aromatization reaction sequence is introduced for regioselective synthesis of di-, tri-, tetra-, and pentasubstituted pyridines as well as fused pyridines. This simple and modular synthesis is performed using readily available starting materials and under transition-metal catalyst-free conditions.
引入2-
氟-1,3-二羰基引发的一锅迈克尔加成反应/ [5 +1]环化/脱
氟化氢芳构化反应顺序,用于区域选择性合成二,三,四和五取代的
吡啶以及
吡啶。使用容易获得的原料并在无过渡
金属的条件下进行这种简单而模块化的合成。