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Tetramethyguanidine as an inexpensive and efficient ligand for the palladium catalyzed Heck reaction
来源:李胜海研究员个人网站 发布日期:2015-09-22
作者:Shenghai Li, Haibo Xie, Suobo Zhang*, Yingjie Lin, Jianing Xu, Jungang Cao
关键字:Tetramethylguanidine, Heck reaction, Palladinium, Ligand
论文来源:期刊
具体来源:Synlett.
发表时间:2005年

An inexpensive and efficient Pd(OAc)2/tetramethylguanidine (TMG) or PdCl2/TMG catalytic system has been developed for the Heck reaction of an olefin with an aryl halide. The TONs were up to 1000000 when iodobenzene was used as the substrate with butyl acrylate as the reactant. In addition, [Pd(TMG)4]Cl2(H2O)8, an air-stable compound, effectively promoted the Heck reaction, which demonstrated that TMG acted as a ligand in this reaction system.

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