Table 2.
Conditions: enaminone (0.10 mmol), alkene (0.40 mmol), Pd(TFA)2 (10 mol %), Cu(OAc)2 (10 mol %), catechol (20 mol %) and 4Å molecular sieves (ca. 30 mg) under O2 (balloon) in DMF (0.5 mL) at rt for 24 h. Isolated yield.
Conditions: enaminone (0.10 mmol), alkene (0.40 mmol), Pd(TFA)2 (10 mol %), Cu(OAc)2 (10 mol %), catechol (20 mol %) and 4Å molecular sieves (ca. 30 mg) under O2 (balloon) in DMF (0.5 mL) at rt for 24 h. Isolated yield.