Palladium-Catalyzed Synthesis of Isocoumarins and Phthalides via <i>tert</i>-Butyl Isocyanide Insertion
作者:Xiang-Dong Fei、Zhi-Yuan Ge、Ting Tang、Yong-Ming Zhu、Shun-Jun Ji
DOI:10.1021/jo302004u
日期:2012.11.16
efficient strategy for the synthesis of isocoumarins and phthalides through a palladium(0)-catalyzed reaction incorporating tert-butyl isocyanide has been developed. This process, providing one of the simplest methods for the synthesis of this class of valuable lactones, involves two steps including cyclization reaction and simple acid hydrolysis. The methodology is tolerant of a wide range of substrates
已经开发了通过钯(0)-催化的结合叔丁基异氰化物的合成香豆素和邻苯二甲酸酯的新颖且高效的策略。该方法提供了合成这类有价值的内酯的最简单方法之一,涉及两个步骤,包括环化反应和简单的酸水解。该方法可耐受多种底物并适用于文库合成。