4-Methylmorpholine → HCID 10192997, compound

Participants

Reaction Steps

To a solution of 5-aminoindazole (1 mmol), HOBt (1 mmol) and 3-chlorophenylacetic acid (1.1 mmol) in DMF (4 mL) was added N-methylmorpholine (1.1 mmol). After stirring for 10 minutes, EDC-HCl (1.1 mmol) was added and the reaction mixture stirred overnight at ambient temperature. The reaction mixture was concentrated and the residue purified by reverse phase preparative HPLC [Waters Delta-Pak C18, 15 uM, 100A column, gradient 10%–100% B (solvent A: 0.05% TFA in water; solvent B: CH3CN) over 10 minutes at 25 mL/min] to afford compound I-6 (79 mg, 42%). 1H NMR (400 MHz, DMSO-d6) δ 3.68 (2H, s), 7.12–7.73 (6H, m), 8.00 (1H, s), 8.11 (1H, s), 10.10 (1H, s), 12.97 (1H, bs); MS (ES+): m/e=(M+H) 286.

Provenance & Evidence