The Michael adducts are obtained with good to excellent ul selectivity by treating silyl enol ethers with α,β-unsaturated ketones in the presence of a catalytic amount of trityl perchlorate.
通过在催化量的
高氯酸三苯甲基酯存在下用 α,β-不饱和酮处理甲
硅烷基烯醇醚,以良好至极好的 ul 选择性获得迈克尔加合物。