Fig. 9: Electronic effect in the sequential diarylation coupling.
From: Modulating stereoselectivity in allylic C(sp3)-H bond arylations via nickel and photoredox catalysis
a Condition A: the reactions were performed on a 0.2 mmol scale under the following reaction conditions: alkene (3 equiv.), aryl bromide (1 equiv.), 2,6-lutidine (1.5 equiv.), PC-1 (1 mol%), NiBr2 (10 mol%), dtbbpy (15 mol%), benzene (2 mL), rt, 60 h. b Condition B: the reaction was performed on a 0.2 mmol scale under the following reaction conditions: alkene (3 equiv.), aryl bromide (1 equiv.), 2,4,6-collidine (3 equiv.), PC-1 (1 mol%), NiBr2 (20 mol%), 6,6’-dmbpy (20 mol%), dioxane (2 mL), rt, 60 h. Yields and E/Z after purification by chromatography.
