Water → 4-(6,6-Dimethyl-2,5-dioxo-1-(3-(trifluoromethyl)phenyl)-1,2,3,4,5,6,7,8-octahydroquinazolin-4-yl)benzonitrile

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Reaction Conditions

Reaction Steps

Under an atmosphere of argon, a mixture of 4-(4-bromophenyl)-6,6-dimethyl-1-(3-(tri-fluoromethyl)phenyl)-3,4,7,8-tetrahydroquinazoline-2,5(1H,6H)-dione (intermediate 7, 372 mg, 0.754 mmol), zinc cyanide (110 mg, 0.937 mmol) and tetrakis(triphenyl-phosphine)palladium(O) (50 mg, 43 μmol) in N,N-dimethylformamide (2 mL) is heated at 110° C. over night. Water is added and the mixture is filtered. The precipitate is purified by flash chromatography on silica (gradient cyclohexane/ethyl acetate 80:20 to 60:40). Yield: 220 mg; ESI mass spectrum [M+H]+=440; Retention time HPLC: 1.26 min (Z005—001).

Provenance & Evidence