Fig. 8 | Nature Communications

Fig. 8

From: Copper-catalyzed oxidative benzylic C-H cyclization via iminyl radical from intermolecular anion-radical redox relay

Fig. 8

Detection of Cu(II) and Cu(I) by XPS experiments. a To 3a when X = I and b to 3u when X = Cl. XPS Instrument type: Thermo ESCALAB 250Xi; X-ray excitation source: monochromatic Al Ka (hv = 1486.6 eV), power 150 W, X-ray beam 500 μm; Energy analyzer fixed transmission energy: 30 eV

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