CBr<sub>4</sub> Mediated Oxidative C–N Bond Formation: Applied in the Synthesis of Imidazo[1,2-α]pyridines and Imidazo[1,2-α]pyrimidines
作者:Congde Huo、Jing Tang、Haisheng Xie、Yajun Wang、Jie Dong
DOI:10.1021/acs.orglett.6b00137
日期:2016.3.4
tetrabromide mediated oxidative carbon–nitrogen bond formation of 2-aminopyridines or 2-aminopyrimidines with β-keto esters or 1,3-diones, leading to a variety of complex imidazo[1,2-α]pyridines or imidazo[1,2-α]pyrimidines, is reported. The reactions were realized under mild and metal-free conditions.
四溴化碳介导的2-氨基吡啶或2-氨基嘧啶与β-酮酸酯或1,3-二酮的氧化碳-氮键形成,导致形成各种复杂的咪唑并[1,2-α]吡啶或咪唑并[1,报道了2-α]嘧啶。反应在温和且无金属的条件下进行。