C(OC(=O)[NH:7][CH:8]1[CH2:13][CH2:12][N:11]([C:14](=[O:22])[C:15]2[CH:20]=[CH:19][C:18]([Cl:21])=[CH:17][CH:16]=2)[CH2:10][CH2:9]1)(C)(C)C.FC(F)(F)C(O)=O>C(Cl)Cl>[NH2:7][CH:8]1[CH2:13][CH2:12][N:11]([C:14]([C:15]2[CH:16]=[CH:17][C:18]([Cl:21])=[CH:19][CH:20]=2)=[O:22])[CH2:10][CH2:9]1To a stirred solution of (1-(4-chloro-benzoyl)-piperidin-4-yl)-carbamic acid tert-butyl ester (46 g, 0.23 mmol) in CH2Cl2 (0.5 mL) was added trifluoroacetic acid (0.5 ml). The reaction mixture was stirred at room temperature for ½ hour. The reaction mixture was concentrated under reduced pressure to provide the titled compound. MS (DCI) m/z 239 (M+H)+.
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