2-Propanol, 1-amino-2-methyl- → 4-(4-Cyanophenyl)-N-(2-hydroxy-2-methylpropyl)-2,5-dioxo-1-(3-(trifluoromethyl)phenyl)-4,5,6,7-tetrahydro-1H-cyclopenta[d]pyrimidine-3(2H)-carboxamide

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Reaction Steps

A solution of 4-nitrophenyl 4-(4-cyanophenyl)-2,5-dioxo-1-(3-(trifluoromethyl)phenyl)-4,5,6,7-tetrahydro-1H-cyclopenta[d]pyrimidine-3(2H)-carboxylate (intermediate 4, 250 mg, 0.44 mmol) in acetonitrile (5.0 mL) is treated with 1-amino-2-methylpropan-2-ol (80 mg, 0.90 mmol), and the mixture is stirred at room temperature for 1 h and purified by reversed phase HPLC (Waters Xbridge™-C18, gradient of acetonitrile in water, 0.1% NH3). Yield: 179 mg; ESI mass spectrum [M+H]+=513; Retention time HPLC: 0.86 min (Z011_803).

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