反应详情

Using similar reaction conditions as described in step-i of example-1, 5-(3-iodo-1-tosyl-1H-pyrrolo[2,3-b]pyridin-5-yl)-2-methoxy-N-methylbenzenesulfonamide (intermediate 22) (140 mg, 0.234 mmol) was coupled with 1-(3-fluorobenzyl)-3,5-dimethyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole (intermediate 16) (154 mg, 0.469 mmol), Pd(PPh3)2Cl2 (3.22 mg, 0.011 mmol), sodium carbonate (75 mg, 0.702 mmol), Toluene/ethanol (3/5 ml) to afford 80 mg (51% yield) of the titled compound. 1H NMR (CDCl3, 300 MHz): δ 8.63 (s, 1H), 8.14-8.12 (d, 2H), 8.04 (s, 1H), 7.73-7.64 (m, 3H), 7.49-7.46 (m, 1H), 7.33-7.30 (m, 3H), 7.15-7.12 (d, 1H), 7.01-6.95 (m, 2H), 6.86-6.83 (d, 1H), 5.31 (s, 2H), 4.84-4.83 (m, 1H), 4.03 (s, 3H), 2.63-2.61 (d, 3H), 2.39 (s, 3H), 2.20 (s, 3H), 2.13 (s, 3H). MS: m/z=674.2 (M+1).

1. customreaction conditions