Nitrogen → 2-(4-(3-(Aminomethyl)piperidin-1-yl)-7-methylquinazolin-2-yl)phenol

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A mixture of benzyl(1-(2-(2-hydroxyphenyl)-7-methylquinazolin-4-yl)piperidin-3-yl)methylcarbamate (1.75 g, 3.63 mmol) and EtOH/EtOAc (50 mL/20 mL) was heated to obtain a homogeneous solution. After cooling to room temperature, Pd/C (175 mg, 10% wt Pd on carbon) was added and the flask was sealed with a septum. The same flask was 3 times charged with N2 and evacuated under vacuum. The mixture was then stirred under an H2 atmosphere at ambient pressure for 1 h. The product was collected by filtration through a plug of Celite, eluting with MeOH. The filtrate was concentrated to a yellow solid (1.26 g) to give 2-(4-(3-(aminomethyl)piperidin-1-yl)-7-methylquinazolin-2-yl)phenol. LC/MS: m/z 349.3 (M+H)+ at 1.80 min (10%-99% CH3CN (0.035% TFA)/H2O (0.05% TFA)).

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