Silylformylation – Fluoride-Assisted Aryl Migration of Acetylenic Derivatives in a Versatile Approach to the Synthesis of Polyfunctionalised Compounds
作者:Laura Antonella Aronica、Patrizio Raffa、Giulia Valentini、Anna Maria Caporusso、Piero Salvadori
DOI:10.1002/ejoc.200500883
日期:2006.4
Polyfunctionalised aldehydes and dihydropyrans are prepared from easily available functionalised 1-alkynes through a two-step silylformylation/arylmigration sequence. The silylformylation process is performed under mild experimental conditions and affords the corresponding beta-silylalkenals in high yields. The fluoride-promoted migration step occurs instantaneously with quantitative conversion. The