3-(4-sec-butylphenyl)-2-(3,4-dinitrophenyl)quinazolin-4(3H)-one → 3-(4-sec-butylphenyl)-2-(3,4-diaminophenyl)quinazolin-4(3H)-one

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Reaction Steps

3-(4-sec-butylphenyl)-2-(3,4-dinitrophenyl)quinazolin-4(3H)-one (0.240 g, 0.54 mmol) was dissolved in EtOH (20 mL) and flushed with N2 for 15 minutes. Pd/C (0.025 g, 10 wt %) was added, and stirred under 1 atmosphere of H2 overnight. After flushing with N2, the mixture was filtered through diatomaceous earth. The filtrate was concentrated and purified by flash chromatography on silica gel, eluting with 0% to 10% MeOH in EtOAc, to afford 3-(4-sec-butylphenyl)-2-(3,4-diaminophenyl)quinazolin-4(3H)-one (0.130 g, 62%).

Provenance & Evidence