A new prenylation method using the lithium enolate of prenal. Reaction with aldehydes and α,β-unsaturated aldehydes.
作者:Lucette Duhamel、Jerôme Guillemont、Jean-Marie Poirier、Pierre Chabardes
DOI:10.1016/0040-4039(91)80021-w
日期:1991.1
A gamma-condensation of the enolate of prenal 1 is observed with aldehydes and alpha,beta-unsaturated aldehydes. In this last case, a conjugate addition is obtained. Intermediate dihydropyrans 4 yield dienals 5 by hydrolysis.