反应详情

Using similar reaction conditions as described in step-i of example-126, 3-(1-(3-fluorobenzyl)-1H-pyrazol-4-yl)-5-(6-(piperazin-1-yl)pyridin-3-yl)-1-tosyl-1H-pyrrolo[2,3-b]pyridine (step 1 compound of example 137) (150 mg, 0.297 mmol) was alkylated using 2-bromoethanol (62 mg, 0.494 mmol) and potassium carbonate (69 mg, 0.494 mmol) in DMF (1 ml) to afford 85 mg (52.7% yield) of the titled compound after purification by column (Silica gel 60/120) chromatography using 5% methanol in dichloromethane as eluent. MS: m/z=652.2 (M+1).

1. customreaction conditions