Combining Two-Directional Synthesis and Tandem Reactions: Synthesis of Trioxadispiroketals
作者:Paul J. McDermott、Robert A. Stockman
DOI:10.1021/ol0479702
日期:2005.1.1
A tandem bromonium ion-promoted cyclization of two pendant hydroxyl groups onto a central furan core provides a highly direct route to both the [5,5,5]- and the [6,5,6]-trioxadispiroketal ring systems.
串联溴离子促进的两个侧基羟基在环呋喃核上的环化为[5,5,5]-和[6,5,6]-三恶二螺酮基环系统提供了一条非常直接的途径。