Fig. 5: Substrate scopes of intramolecular reactionsa,b.
From: Allylic C–H oxygenation of unactivated internal olefins by the Cu/azodiformate catalyst system

a Reaction conditions: 1 (0.2 mmol, 1.0 equiv), DEAD (0.4 mmol, 2.0 equiv), Cu2O (10 mol%) and L9 (20 mol%) in toluene (2.0 mL) at the 80 °C for 10 h. b Isolated yield.