Benzyl [2-[({4-[(3S,5R)-3-[(tert-butoxycarbonyl)amino]-5-(trifluoromethyl)piperidin-1-yl]pyridin-3-yl}amino)carbonyl]-7-(1-methyl-1,2,3,6-tetrahydropyridin-4-yl)quinolin-3-yl]carbamate → tert-butyl [(3S,5R)-1-[3-({[3-amino-7-(1-methylpiperidin-4-yl)quinolin-2-yl]carbonyl}amino)pyridin-4-yl]-5-(trifluoromethyl)piperidin-3-yl]carbamate

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A mixture of benzyl [2-[({4-[(3S,5R)-3-[(tert-butoxycarbonyl)amino]-5-(trifluoromethyl)piperidin-1-yl]pyridin-3-yl}amino)carbonyl]-7-(1-methyl-1,2,3,6-tetrahydropyridin-4-yl)quinolin-3-yl]carbamate (0.010 g, 0.013 mmol) in 1.5 mL of MeOH was hydrogenated in the presence of 10% Pd on carbon (3.5 mg) under a balloon of hydrogen at room temperature for 1 h. The mixture was filtered and the filtrate was concentrated under reduced pressure to give tert-butyl [(3S,5R)-1-[3-({[3-amino-7-(1-methylpiperidin-4-yl)quinolin-2-yl]carbonyl}amino)pyridin-4-yl]-5-(trifluoromethyl)piperidin-3-yl]carbamate (0.0065 g, 79%). LCMS calc. for C32H41F3N7O3 [M+H]+: m/z=628.3. found: 628.3.

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