<i>N</i>-Silyl-Tethered Radical Cyclizations: A New Synthesis of γ-Amino Alcohols
作者:Christophe Blaszykowski、Anne-Lise Dhimane、Louis Fensterbank、Max Malacria
DOI:10.1021/ol034288j
日期:2003.4.1
[reaction: see text] Various allylic and propargylic amines bearing a protecting group (PG) have been employed in N-silyl-tethered radical cyclizations. The resulting silapyrrolidine adducts could be smoothly oxidized, creating access to gamma-amino alcohols. The silylation, radical cyclization, and oxidation reactions could be consolidated in a one-pot process.
[反应:见正文]在N-甲硅烷基连接的自由基环化反应中已使用了各种带有保护基(PG)的烯丙基和炔丙基胺。生成的硅吡咯烷加合物可以被平滑氧化,从而获得γ-氨基醇。甲硅烷基化,自由基环化和氧化反应可以通过一锅法进行合并。