Carbon–Boron Bond Cross-Coupling Reaction Catalyzed by −PPh<sub>2</sub> Containing Palladium–Indolylphosphine Complexes
作者:Wing Kin Chow、On Ying Yuen、Chau Ming So、Wing Tak Wong、Fuk Yee Kwong
DOI:10.1021/jo202472k
日期:2012.4.6
compatible, and the catalyst loading down to 0.025 mol % of Pd can be achieved. The Pd/PPh2-Andole-phos system is able to catalyze both borylation reaction and Suzuki–Miyaura coupling reaction in a one-pot sequential manner for the direct synthesis of biaryl compounds in excellent yields.
该研究描述了具有二苯基膦基部分的吲哚基膦配体在钯催化的芳基氯化物的硼化反应中的应用。包含便宜的-PPh 2基团的钯金属前体与PPh 2-雄激素-磷的组合为芳基氯的硼化提供了高效的催化剂。诸如-CN,-NO 2,-CHO,-COMe,-COOMe和-CF 3的官能团的范围是相容的,并且可以实现低至Pd的0.025mol%的催化剂负载。Pd / PPh 2 -Andole-phos系统能够以一锅顺序方式催化硼化反应和Suzuki-Miyaura偶联反应,从而以优异的产率直接合成联芳基化合物。