alladium Catalyzed Suzuki Cross-Coupling Reactions and Their Uses in Organic Synthesis

Suzuki cross-coupling reaction with palladium catalyst and its application to organic synthesis Palladium catalyzed cross-coupling reaction is a useful method for generating new carbon-carbon bonds in nearly quantitative yield and relatively mild conditions Is 1. Let's be a very useful tool. Organic and inorganic synthesis and material research In the 1970's, Dr. Akira Suzuki of Hokkaido University in Japan found and responded to the reaction itself almost simultaneously.

The Kdada-Corriu coupling reaction of deactivated alkyl bromide or iodide catalyzed with Pd 2 (dba) 3 -Ph 3 P with alkynyl lithium or the corresponding Grignard reagent results in Csp-Csp 3 bond formation. The excellent performance of the Ph 3 P ligand compared to the trialkylphosphine ligand indicates that the cross coupling reaction can be a reduction-elimination-controlled process. The terminal alkyne can be directly cross-coupled to alkyl zinc reagent in the presence of Pd catalyst at room temperature using air as oxidant. CO was found to be important to achieve high chemical yield and selectivity. Good yield of various alkyne and alkylzinc reagents

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