反应详情

Using similar reaction conditions as described in step-ii of example-1, tert-butyl 4-(4-(3-iodo-1-tosyl-1H-pyrrolo[2,3-b]pyridin-5-yl)phenyl)piperazine-1-carboxylate (intermediate 41) (200 mg, 0.303 mmol) was coupled with 1-(3-methylbenzyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole (intermediate 64D) (136 mg, 0.455 mmol) using sodium carbonate (81 mg, 0.759 mmol) and Pd(PPh3)2Cl2 (11 mg, 0.015 mmol) in toluene/ethanol/water (10/2/1 ml) to afford 200 mg (93.8% yield) of titled compound after purification by column (Silica gel 6/120) using 50% EtOAc/hexane as eluent. MS: m/z=703.2 (M+1).

1. customreaction conditions