NIS‐promoted multicomponent reaction of 2‐aminopyridines with aldehydes and nitromethane for the synthesis of 3‐nitroimidazo[1.2‐
<i>a</i>
]pyridines
作者:Jinwei Sun、Xinrui Yang、Yun Liu、Yi Wang、Yi Pan
DOI:10.1002/jhet.3869
日期:2020.3
An efficient synthesis of 3‐nitroimidazo[1,2‐a]pyridines has been developed via N‐iodosuccinimide (NIS)‐mediated multicomponents reaction of 2‐aminopyridines, aldehydes, and nitromethane under metal‐free conditions. This protocol has many advantages such as broad substituent scope, mild and eco‐friendly conditions, high step economy, and good yields.
通过N-碘代琥珀酰亚胺(NIS)介导的2-氨基吡啶,醛和硝基甲烷在无金属条件下的多组分反应,已开发出3-硝基咪唑并[1,2- a ]吡啶的有效合成方法。该方案具有许多优点,例如取代基范围广,条件温和,环境友好,步骤经济性高,产率高。