Stereoselectivity in the formation and radical reduction of cyclic bromoacetals, key intermediates for the synthesis of δ-hydroxy- and ε-hydroxy-α-methylcarboxylic acid esters
作者:Hajime Nagano、Ayako Mikami、Tomoko Yajima
DOI:10.1016/s0040-4039(03)01738-6
日期:2003.9
We report the stereoselectivity in the formation and radical reduction of six- and seven-memberedcyclic bromoacetals. The oxidative ring cleavage of the resulting acetals gave the corresponding acyclic δ-hydroxy- and ε-hydroxy-α-methylcarboxylic acid esters.