[EN] TRIARYL PHOSPHINE LIGANDS, PREPARATION METHOD THEREFOR, AND USE IN CATALYSING COUPLING REACTIONS<br/>[FR] LIGANDS DE TRIARYLPHOSPHINE, LEUR PROCÉDÉ DE PRÉPARATION ET LEUR UTILISATION DANS LA CATALYSE DE RÉACTIONS DE COUPLAGE<br/>[ZH] 三联芳单膦配体、它们的制备方法和在催化偶联反应中的用途
TRIARYL PHOSPHINE LIGANDS, PREPARATION METHOD THEREFOR, AND USE IN CATALYSING COUPLING REACTIONS
申请人:DONGGUAN STEPHEN CATALYST CO., LTD.
公开号:US20210147452A1
公开(公告)日:2021-05-20
Provided are triaryl phosphine ligands, as shown in general formulae Ia and Ib, or a mixture thereof, and a preparation method therefor. The invention addresses the deficiencies of biaryl phosphine ligands invented by Buchwald et al. Also provided are a triaryl phosphine coordinated palladium complex, a system composed of triaryl phosphine ligand and a palladium salt or complex, and a use of the triaryl phosphine coordinated palladium complex in catalysing organic reactions, in particular a use in catalysis of coupling reactions involving (pseudo)halogenated aromatic hydrocarbon as substrate.