In the presence of a catalytic amount of trityl salts, silyl enol ethers of thioesters react with α-substituted α,β-unsaturated cyclic ketones to afford the corresponding Michael adducts in good yields with excellent lk diastereoselectivities.
在催化量的三苯甲基盐的存在下,
硫酯的甲
硅烷基烯醇醚与 α-取代的 α,β-不饱和环酮反应,以良好的收率和优异的 lk 非对映选择性提供相应的迈克尔加合物。