Benzyl [2-[({4-[(3S,5R)-3-amino-5-methylpiperidin-1-yl]pyridin-3-yl}amino)carbonyl]-7-(3-oxomorpholin-4-yl)quinolin-3-yl]carbamate → 3-Amino-N-{4-[(3S,5R)-3-amino-5-methylpiperidin-1-yl]pyridin-3-yl}-7-(3-oxomorpholin-4-yl)quinoline-2-carboxamide

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A mixture of benzyl [2-[({4-[(3S,5R)-3-amino-5-methylpiperidin-1-yl]pyridin-3-yl}amino)carbonyl]-7-(3-oxomorpholin-4-yl)quinolin-3-yl]carbamate (0.0067 g, 0.011 mmol) in 3.0 mL of MeOH was hydrogenated in the presence of 8 mg of 10% Pd on carbon under a balloon of hydrogen at room temperature for 1 h. The mixture was filtered and the filtrate was purified by preparative HPLC (XBridge™ C18 column, eluting with a gradient of MeCN/water containing 0.1% NH4OH, at a flow rate of 30 mL/min.) to afford the title compound. LCMS calc. for C25H30N7O3 [M+H]+: m/z=476.2. found: 476.3.

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