Fig. 5: Reaction scope for the electro-oxidative annulation.
From: Cobalt-catalyzed atroposelective C−H activation/annulation to access N−N axially chiral frameworks
Reaction conditions: graphite felt anode, Pt-plate cathode, constant current = 2 mA, 1 (0.2 mmol), 2 (0.24 mmol), Co(OAc)2·4H2O (0.02 mmol), L7 (0.04 mmol), TFE (5 mL), NaOPiv·H2O (0.4 mmol), 60 oC, 6 h, air, isolated yields. ee, enantiomeric excess; TFE, 2,2,2-trifluoroethanol.
