The reaction of allylidene triphenylphosphoranes with α-halocarbonyl compounds: a convenient synthesis of cyclopentadienes
作者:Minoru Hatanaka、Yuichiro Himeda、Ikuo Ueda
DOI:10.1039/c39900000526
日期:——
A convenient method has been developed for the synthesis of substituted cyclopentadienes, starting from allylidenetriphenylphosphoranes and α-halocarbonylcompounds, via a [3 + 2] annulation process.