Table 1. Optimization of the Reaction Conditionsa.
Unless otherwise noted, the following reaction conditions were employed: 1a (0.1 mmol, 1.0 equiv), 2a (0.15 mmol, 1.5 equiv), Pd(OAc)2 (5 mol %), ETM1 (5 mol %), ETM2 (10 mol %), in 0.2 M THF, O2 (balloon, 1 atm) at room temperature (23 °C) for 24 h. Yields and conversions were determined by 1HNMR using anisole as internal standard.
H2O (0.5 equiv) was added to the reaction mixture.
H2O (1.0 equiv) was added to the reaction mixture.
H2O (2.0 equiv) was added to the reaction mixture.
The reaction was run with 10 mol % of Co(salophen)-HQ for 36 h.

