Methanol → HCID 178517934, compound

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A mixture of methanesulfonic acid 2-[2-(bicyclo[2.2.1]hept-2-ylamino)-5-(2-methanesulfonyloxy-ethyl)-4-oxo-4,5-dihydro-thiazol-5-yl]-ethyl ester (half of the crude product from above) and cyclopentylamine (799 mg, 9.38 mmol) in CH2Cl2 (1.5 mL) was stirred at room temperature for 4 d. Flash column chromatography (silica gel, 0-10% MeOH in CH2Cl2) afforded the title compound as an off-white solid (52 mg). MS (ESI, pos. ion) m/z: 348 (M+H).

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