Chemo- and regioselective preparation of zinc enolate from thiol esters by palladium catalyzed cross-coupling reaction
作者:Ryosuke Haraguchi、Zenichi Ikeda、Akihiro Ooguri、Seijiro Matsubara
DOI:10.1016/j.tet.2015.08.060
日期:2015.11
The palladium catalyzed cross-coupling reaction of thiol esters with bis(iodozincio)methane or 1,1-bis(iodozincio)ethane gave Reformatsky-type enolates. They can react with some electrophiles to give the corresponding adducts and were also trapped by silylation reagents to afford silyl enol ethers. As the method applicable to the thiol ester carrying ketone moiety, it afforded zinc enolates carrying
钯催化的交叉偶联与二硫醇酯的反应(iodozincio)甲烷或1,1-双(iodozincio)乙烷得到的Reformatsky型烯醇化物。他们可以与一些亲电反应,得到相应的加合物也被困硅烷化试剂,得到烯醇硅醚。作为适用于带有硫醇酯的酮部分的方法,它提供了在同一分子中带有酮的烯醇锌。