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. 2019 Apr 2;21(8):2740–2744. doi: 10.1021/acs.orglett.9b00698

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Copyright © 2019 American Chemical Society

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Substrate scope of bromoarenes. Reaction conditions: 1a (0.25 mmol, 1.0 equiv), bromo arene (2) (0.275 mmol, 1.1 equiv), [Ir]-Cat (0.15 mol %), [Ni-2]-Cat (0.20 mol %), TMG (1.2 equiv), dry and degassed MeCN (^•) or DMA (^#) (0.25 M), irradiation at 455 nm for 17 h; (a) 3.5 h; 17 h for the large-scale reaction; (b) 0.5 mol % of [Ir]-Cat, 1.0 mol % of [Ni-2]-Cat; (c) 0.2 mol % of [Ir]-Cat, 1.0 mol % of [Ni-2]-Cat; (d) 1,3-dibromobenzene (0.24 mmol, 1 equiv) as limiting reagent; (e) 0.5 mol % of [Ni-2]-Cat; (f) 0.5 mol % of [Ir]-Cat, 5.0 mol % of [Ni-2]-Cat; (g) 1.0 mol % of [Ir]-Cat, 5.0 mol % of [Ni-2]-Cat; (h) 1.0 mol % of [Ni-2]-Cat; (i) 0.5 mol % of [Ir]-Cat, 3.0 mol % of [Ni-2]-Cat; (j) 0.5 mol % of [Ir]-Cat, 2.0 mol % of [Ni-2]-Cat; (k) 2.0 mol % of [Ni-2]-Cat; (l) 0.15 mol % of [Ir]-Cat, 2.0 mol % of [Ni-2]-Cat, 0.04 M.