| 1 | Ligand-free nickel-catalyzed Kumada couplings of aryl, bromides with tert-butyl Grignard reagents显示文摘A ligand-free nickel-catalyzed Kumada cross-coupling of aryl bromides and tert-butyl Grignard reagents led to the formation of a series of tert-butyl aryls in moderate to good yields, excellent tBu/iBu ratios, and good functional group compatibility. A radical coupling process is indicated and a mechanism with a Ni(Ⅰ)-Ni(Ⅲ) catalytic cycle is proposed. | Zhenghan Wu Tengda Si Guangqing Xu Bin Xu Wenjun Tang | 2019 | Chinese Chemical Letters2019，30，3： | 1 |
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