To a solution of Compound (1) (50 mg, 0.11 mmol) in ACN (4 mL) was added potassium carbonate (30 mg, 0.22 mmol) followed by 3-bromo-1-propanol (38 μL, 0.32 mmol). The mixture was heated to 80° C. and stirred for 16 h at which time no starting material was observed. The mixture was cooled to RT, diluted with EtOAc (10 mL), washed with water (3 mL), brine (3 mL) and dried (MgSO4). The solvent was removed in vacuo to give the crude mixture which was purified by flash column chromatography eluting with EtOAc/hexane (5-100%) to give 2-(4-bromophenyl)-5-cyclopropyl-6-[(3-hydroxypropyl)(methylsulfonyl)amino]-N-methyl-2H-indazole-3-carboxamide (4) (28 mg, 50%). ESI-MS m/z calculated for [M+H]+: 521.09/523.08; found: 521.03/523.03.
