Copper-Catalyzed Formal C–N Bond Cleavage of Aromatic Methylamines: Assembly of Pyridine Derivatives
作者:Huawen Huang、Xiaochen Ji、Wanqing Wu、Liangbin Huang、Huanfeng Jiang
DOI:10.1021/jo400261v
日期:2013.4.19
copper-catalyzed C–N bond cleavage of aromatic methylamines was developed to construct pyridine derivatives. With neat conditions and facile operation, the fragment-assembling strategy affords a broad range of 2,4,6-trisubstituted pyridines in up to 95% yield from simple and readily available starting materials. Interestingly, when pyridin-2-yl methylamine was employed as the substrate, α-alkylation reaction
开发了一种有效的铜催化的芳香族甲胺的C–N键裂解,以构建吡啶衍生物。在纯净的条件和简便的操作条件下,片段组装策略可从简单易得的起始原料中获得高达95%的收率的2,4,6-三取代吡啶。有趣的是,当使用吡啶-2-基甲胺作为底物时,酮的α-烷基化反应容易发生,从而得到β-(吡啶-2-基)酮,而不是2,4,6-三取代的吡啶。