Application of Dicyclohexyl-(<i>S</i>)-trimethoxyphenyl Phosphine⋅HBF<sub>4</sub>Salt for the Highly Selective Suzuki Coupling of the CCl Bond in β-Chlorobutenolides Over the More Reactive Allylic CO Bond
作者:Bo Lü、Chunling Fu、Shengming Ma
DOI:10.1002/chem.201000169
日期:2010.6.11
Selective coupling: A readily available monophosphine HBF4 salt, 1⋅HBF4, was applied to the highly selective coupling of the inert CCl bond in optically active β‐chlorobutenolides in preference to the more reactive lactonic, allylic CO bond in the presence of Pd(OAc)2 as the catalyst.
选择性耦合:容易获得的单膦HBF 4的盐,1个⋅HBF 4,施加到的惰性C中的高选择性耦合 Cl键以光学活性β-chlorobutenolides优先于更具反应性的内酯,烯丙基Ç O键在Pd(OAc)2作为催化剂的存在。