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aConditions: 0.20 mmol of 1, 0.60 mmol of 2a, 0.40 mmol of 3. Isolated yields of products after purification by chromatography are reported. bReaction performed on a 1.0 mmol scale in the C–H bond substrate with 5 mol % catalyst. cReaction performed at 70 °C for 2 h.
