Iodine/Palladium Approaches to the Synthesis of Polyheterocyclic Compounds
作者:Saurabh Mehta、Richard C. Larock
DOI:10.1021/jo902639f
日期:2010.3.5
A simple, straightforward strategy for the synthesis of polyheterocyclic compounds (PHCs) is reported, which involves iterative cycles of palladium-catalyzed Sonogashira coupling, followed by iodocyclization using I2 or ICl. A variety of heterocyclic units, including benzofurans, benzothiophenes, indoles, and isocoumarins, can be efficiently incorporated under mild reaction conditions. In addition
报道了一种简单、直接的合成多杂环化合物 (PHC) 的策略,该策略涉及钯催化的 Sonogashira 偶联的迭代循环,然后使用 I 2或 ICl进行碘环化。多种杂环单元,包括苯并呋喃、苯并噻吩、吲哚和异香豆素,可以在温和的反应条件下有效地结合。此外,这种策略的变体提供了各种连接和融合的 PHC。