期刊
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
卷 58, 期 18, 页码 6094-6098出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201901866
关键词
catalysis; cross-electrophile coupling; nickel(I) Complexes; polypyridyl ligands; reaction mechanism
资金
- NIHGMS [R01GM120162]
- NSF
- DOE, Office of Basic Energy Sciences, Division of Chemical Sciences [DE-FG02-05ER15646]
A number of new transition metal catalyzed methods for the formation of C(sp(2))-C(sp(3)) bonds have recently been described. These reactions often utilize bidentate polypyridyl-ligated Ni catalysts, and paramagnetic Ni-I halide or aryl species are proposed in the catalytic cycles. However, there is little knowledge about complexes of this type. Here, we report the synthesis of paramagnetic bidentate polypyridyl-ligated Ni halide and aryl complexes through elementary reactions proposed in catalytic cycles for C(sp(2))-C(sp(3)) bond formation. We investigate the ability of these complexes to undergo organometallic reactions that are relevant to C(sp(2))-C(sp(3)) coupling through stoichiometric studies and also explore their catalytic activity.
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