Intramolecular assistance to metalation of a dienol ether
作者:Claire de Guigné、Jean-Erick Ancel、Lucette Duhamel
DOI:10.1016/s0040-4039(99)01093-x
日期:1999.7
Functionalized dienolethers 6 were obtained in one pot from hydroxyacetal 3, via hydroxydienol ether 1 and anion 5, when treating 3 with n-butyllithium. It was shown that the transient organometallic species 5 occured only when the electrophile was added.