Dialkylaluminum Hydride-Promoted Cyclodimerization of Silylated 1,3-Enynes via Skeletal Rearrangement
作者:Hidenori Kinoshita、Tomoyuki Ishikawa、Katsukiyo Miura
DOI:10.1021/ol202601s
日期:2011.12.2
The dialkylaluminum hydride-promoted reaction of 1-silylalk-3-en-1-ynes gave symmetrical 1,2,3,5-tetrasubstituted benzenes as single regiolsomers. The novel cyclodimerization via skeletal rearrangement can be rationalized by an unprecedented mechanism Involving sequential hydroalumination, alkene isomerization, carboalumination, carbon-carbon bond cleavage, and retro-hydroalumination.