Synthesis of novel 3-substituted-2,3-dihydro-1,4-dioxino[2,3-b]pyridines as potential new scaffolds for drug discovery: selective introduction of substituents on the pyridine ring
作者:Jesús Alcázar、José M. Alonso、José M. Bartolomé、Laura Iturrino、Encarnación Matesanz
DOI:10.1016/j.tetlet.2003.10.005
日期:2003.12
Selective introduction of substituents on 3-substituted-2,3-dihydro-1,4-dioxino[2,3-b]pyridine at the pyridine ring was achieved using electrophilic aromatic substitution and addition–elimination reactions. In all the examples, functionalization at the 3-position was maintained. For this reason, the products disclosed in this paper could be useful as potential scaffolds for drug discovery and combinatorial
使用亲电子芳族取代和加成-消除反应可实现在吡啶环上的3-取代-2,3-二氢-1,4-二恶英[2,3- b ]吡啶上选择性引入取代基。在所有实施例中,维持在3-位的官能化。因此,本文中公开的产品可用作药物发现和组合化学的潜在支架。