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Reaction conditions: 1 (0.2 mmol, 1 equiv.), TMB (1.75 equiv.), Pd(acac)2 (5 mol%), Brettphos (15 mol%) and Cs2CO3 (2 equiv.) in toluene (0.6 mL) at 150 °C for 24 h under N2. Isolated yields.
130 °C.
GC yield (internal standard: diphenylacetylene).
GC yield (internal standard: mesitylene).
