我们已经开发了一种强大的方法,用于合成3,4-融合的异喹啉-1(2H)-one类似物。带有邻位取代基(例如–OH,–SH或–NHR(R =烷基或芳基))的苄腈或烟腈可以通过KO t Bu进行质子化,然后与2-(溴甲基)苯甲酸甲酯反应(8)形成其相应的O-,S-或N-烷基化产物。然后将如此形成的产物再次用KO t Bu处理以引发级联过程,该级联过程将导致其相应的3,4-稠合的异喹啉-1(2H)-一的形成。这种多步合成以及最终产物的纯化可以一锅法完成。
One-pot multistep synthesis of 3,4-fused isoquinolin-1(2H)-one analogs
作者:Lianhai Li、Waepril Kimberly S. Chua
DOI:10.1016/j.tetlet.2011.01.089
日期:2011.4
We have developed a robust approach for the synthesis of 3,4-fused isoquinolin-1(2H)-one analogs. A benzonitrile or a nicotinonitrile bearing an ortho-substituent, such as –OH, –SH, or –NHR (R = alkyl or aryl) can be deprotonated by KOtBu and then reacted with methyl 2-(bromomethyl)benzoate (8) to form its corresponding O-, S-, or N-alkylation product. The product thus formed is then treated with KOtBu
我们已经开发了一种强大的方法,用于合成3,4-融合的异喹啉-1(2H)-one类似物。带有邻位取代基(例如–OH,–SH或–NHR(R =烷基或芳基))的苄腈或烟腈可以通过KO t Bu进行质子化,然后与2-(溴甲基)苯甲酸甲酯反应(8)形成其相应的O-,S-或N-烷基化产物。然后将如此形成的产物再次用KO t Bu处理以引发级联过程,该级联过程将导致其相应的3,4-稠合的异喹啉-1(2H)-一的形成。这种多步合成以及最终产物的纯化可以一锅法完成。
The Synthesis and Application of 2-Cyano and -Ester Containing Anilines: Selective Copper-Catalyzed Reductive Amination, N-Benzylation, and Cyclization Reactions
2-ester anilines is described via efficient and selective copper(II)-catalyzed reductive amination via hydrosilylation process. Both 2-cyano and 2-ester anilines were successfully synthesized with good functional group tolerance and high selectivity. The application of the 2-cyano and -iodine containing anilines was developed in the synthesis of indoloindole derivativesvia CuSO4-catalyzed N-benzylation
通过高效和选择性的铜 (II) 催化还原胺化,通过氢化硅烷化过程描述了一种方便实用的 2-氰基和 2-酯苯胺途径。成功合成了具有良好官能团耐受性和高选择性的2-氰基苯胺和2-酯苯胺。通过CuSO 4催化的N-苄基化和“一锅”环化反应,开发了含2-氰基和-碘苯胺在吲哚吲哚衍生物的合成中的应用。更有趣的是,这些含 2-氰基和 2-酯的苯胺的光物理性质研究显示出优异的荧光性质,在不久的将来在开发有趣的近紫外光学器件方面具有巨大的应用潜力。