作者:Tore Benneche、Elahe Jafari Chamgordani、Inga Reimer
DOI:10.1016/j.tetlet.2012.10.048
日期:2012.12
5-(Bromoalkylidene)furan-2(5H)-ones, thiophen-2(5H)-ones, and pyrrol-2(5H)-ones are prepared in good yields by cleavage of the corresponding 2-acyl-5-methoxy heterocycles using oxalyl bromide in dichloromethane at ambient temperature. (C) 2012 Elsevier Ltd. All rights reserved.