作者:Lange, Markus、Alistratov, Nikita、Vilotijevic, Ivan
DOI:10.1039/d4ob01063a
日期:——
Picolines and quinaldines are valuable building blocks and intermediates in the synthesis of natural products and pharmaceuticals. Functionalization of the methyl group in picolines and quinaldines under mild conditions is challenging. We report that the concept of latent pronucleophiles enables Lewis base catalysed allylation of picolines and quinaldines with allylic fluorides starting from silylated
甲基吡啶和喹哪啶是天然产物和药物合成中有价值的结构单元和中间体。在温和条件下甲基吡啶和喹哪啶中的甲基官能化具有挑战性。我们报道,潜在亲核试剂的概念使得路易斯碱催化甲基吡啶和喹哪啶与烯丙基氟化物从甲硅烷基化的甲基吡啶和喹哪啶开始烯丙基化。当使用手性路易斯碱催化剂时,反应提供对映体富集的烯丙基化产物。烯丙基化产物可以快速转化为喹嗪-4-酮。