Retro-Claisen condensation versus pyrrole formation in reactions of amines and 1,3-diketones
作者:Indubhusan Deb、Daniel Seidel
DOI:10.1016/j.tetlet.2010.03.086
日期:2010.6
Cyclic amines and 1,3-diketones readily react under microwave irradiation to form ring-fused pyrroles in a single operation. A competing retro-Claisen pathway is efficiently suppressed by employing p-toluenesulfonic acid as an additive.