An improved coupling reaction between aromatic ring and acetylene triple bond catalyzed by palladium (0) catalyses for the preparation of pyridylethynyl benzoni-trile compounds is described. Efforts were made to impro...An improved coupling reaction between aromatic ring and acetylene triple bond catalyzed by palladium (0) catalyses for the preparation of pyridylethynyl benzoni-trile compounds is described. Efforts were made to improve the reaction by changing different reaction conditions and it was found that the solvent is one important factor in this situation.展开更多
基金This work was supported by the National Natural Science Foundation of China (Grant No. 50073021)
文摘An improved coupling reaction between aromatic ring and acetylene triple bond catalyzed by palladium (0) catalyses for the preparation of pyridylethynyl benzoni-trile compounds is described. Efforts were made to improve the reaction by changing different reaction conditions and it was found that the solvent is one important factor in this situation.