Table 7. Recyclability of the ChsB–Pd 3 Catalyst^a.

number of cycle	yield (%)	TON	TOF (h–1)
1st	94	18431	110,586
2nd	94	18431	110,586
3rd	92	18039	108,234
4th	92	18039	108,234
5th	90	17647	105,882

^aReaction conditions: 4-bromoanisole 4 (1 mmol), phenylboronic acid 5a (1.2 mmol), Pd catalyst (5.1 × 10^–3 mol %), and NaHCO₃ (2 mmol) in EtOH/H₂O (1:1, 3 ml), 80 °C for 10 min under the MW condition with P_max = 200 W. Isolated yield.