The first nucleophilic aromatic substitution of suitably activated 2-methoxyfurans with Grignard reagents
作者:M.Rosaria Iesce、M.Liliana Graziano、Flavio Cermola、Stefania Montella、Lucrezia Di Gioia
DOI:10.1016/s0040-4039(03)01430-8
日期:2003.7
The reaction of 2-methoxyfuroates 1 with Grignardreagents 2 leads to tertiary alcohols or SNAr products depending on the position of the alkoxycarbonyl group. OMe-Displacement occurs only for 3-substituted derivatives. It takes place even for 3-acetyl-2-methoxyfuran while the presence of a further ester function at 4 position induces the formation of the sole 4-tertiary alcohol. The OMe-substitution