反应详情

Using similar reaction conditions as described in step-i of example-1, tert-butyl 5-(5-(N-(tert-butoxycarbonyl)methylsulfonamido)-6-methoxypyridin-3-yl)-3-iodo-1H-pyrrolo[2,3-b]pyridine-1-carboxylate (intermediate 66) (100 mg, 0.155 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) (61 mg, 0.186 mmol) using Pd(PPh3)2Cl2 (5 mg, 0.0077 mol) and sodium carbonate (49 mg, 0.465 mmol) in DME/water (10/1 ml) to afford 61 mg (54.5% yield) of the titled compound. MS: m/z=621.2 (M+1).

1. customreaction conditions