作者:Li-Ping Sun、Dan Xu、Xianfang Xu、Zongliang Liu、Qidong You
DOI:10.1055/s-0028-1088149
日期:2009.4
Starting from commercially available halonitropyridines and haloaminopyridines, 2-substituted-oxazolo[5,4-b]pyridines, and 2-aryl-oxazolo[4,5-b]pyridines were synthesized in good yields by using a Cu(I)-mediated cyclization of halopyridylamides as a key step.
从市售的卤代硝基吡啶和卤代氨基吡啶出发,采用铜(I)介导的卤代吡啶酰胺的环化反应作为关键步骤,合成了产率良好的2-取代-噁唑[5,4-b]吡啶和2-芳基-噁唑[4,5-b]吡啶。