Lewis Acid/Brönsted Acid Mediated Benz-Annulation of Thiophenes and Electron-Rich Arenes
作者:Settu Muhamad Rafiq、Ramakrishnan Sivasakthikumaran、Arasambattu K Mohanakrishnan
DOI:10.1021/ol501006t
日期:2014.5.16
A facile preparation of benz-annulated heterocycles were achieved at rt involving a Lewis acid/Brönstedacidmediated annulation of heterocycles using 2,5-dimethoxytetrahydrofuran as a four-carbon synthon. The benz-/naphth-annulation was found to be successful with electron-rich arenes as well.