Tandem Ene-Reaction/Intramolecular Sakurai Cyclisation (IMSC): A Novel Access to Polysubstituted Tetrahydropyrans and γ-Butyrolactones Using a Unique Allylation Strategy
Tandem Ene-Reaction/Intramolecular Sakurai Cyclisation (IMSC): A Novel Access to Polysubstituted Tetrahydropyrans and γ-Butyrolactones Using a Unique Allylation Strategy
Concise and connective synthesis of exo-methylene-γ-butyrolactones
作者:Raphaël Dumeunier、Cédric Leclercq、István E Markó
DOI:10.1016/s0040-4039(02)00240-x
日期:2002.3
A novel sequence, combining an ene-reaction of the substituted allylsilane 2 with a variety of aldehydes, followed by an oxidative double desilylation, provides an efficient access to a wide range of exo-methylene-γ-butyrolactones.