Baker-Venkataraman Rearrangement Under Microwave Irradiation: A New Strategy for the Synthesis of 3-Aroyl-5-hydroxyflavones
作者:Artur Silva、Diana Pinto、José Cavaleiro
DOI:10.1055/s-2007-984525
日期:2007.7
Microwave irradiation selectively induces the Baker-Venkataraman rearrangement of 2′,6′-diaroyloxyacetophenones to give 3-aroyl-5-hydroxyflavones, in a very short reaction time. Under classical heating conditions these reactions afforded 5-hydroxyflavones as byproducts.