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2-Mesitylindenyl phosphine ligand (1) and [(2-mesitylindenyl)dicyclohexyl-phosphine]PdCl2 (2) have been synthesized and fully characterized by NMR and elemental analysis, as well as by X-ray crystallography for 2. A Highly active catalyst system derived from a palladium precatalyst and bulky 2-mesitylindenyl phosphine ligand (1) for the Buchwald–Hartwig amination reaction of aryl halides with primary and secondary amines has been developed. This method allows for the preparation of a wide variety of amines in moderate to excellent yields and displays a high level of activity for the coupling of aryl chlorides as well as hindered aryl bromides.
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Highlights
2-Mesitylindenyl phosphine ligand and [(2-mesitylindenyl)dicyclohexyl phosphine]-PdCl2 have been synthesized, and utilized in the palladium-catalyzed Buchwald–Hartwig amination reaction, providing good to excellent yields of amination products.
| Authors: | Xiaowei Hao, Jia Yuan, Guang-Ao Yu, Ming-Qiang Qiu, Neng-Fang She, Yue Sun, Cui Zhao, Shu-Lan Mao, Jun Yin, Sheng-Hua Liu | |
| Journal: | Journal of Organometallic Chemistry | |
| Year: | 2012 | |
| DOI: | 10.1016/j.jorganchem.2012.02.007 | |
| Publication date: | 23-04-2012 |
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