Metal-mediated allylation of mucohalic acids: facile formation of γ-allylic α,β-unsaturated γ-butyrolactones
作者:Ji Zhang、Peter G. Blazecka、Heidi Berven、Daniel Belmont
DOI:10.1016/s0040-4039(03)01380-7
日期:2003.7
Mucohalic acids mucochloric acid (1, 3,4-dichloro-5-hydroxy-5H-furan-2-one and mucobromic acid (2, 3,4-dibromo-5-hydroxy-5H-furan-2-one)} were employed as aldehydes in the indium- and tin-mediated Barbier-type allylation reactions and afforded γ-allylic α,β-unsaturated γ-butyrolactones in good to excellent yield.
Mucohalic羧酸mucochloric酸(1,3,4-二氯-5-羟基-5- ħ -呋喃-2-酮和mucobromic酸(2,3,4-二溴-5-羟基-5- ħ -呋喃-2-酮)}在铟和锡介导的Barbier型烯丙基化反应中用作醛,并以良好或极好的收率得到γ-烯丙基α,β-不饱和γ-丁内酯。