[CH3:1][O:2][C:3](=[O:18])[C:4]1[CH:9]=[CH:8][C:7]([C:10]2[C:15]([Cl:16])=[CH:14][N:13]=[C:12](Cl)[N:11]=2)=[CH:6][CH:5]=1.[CH:19]1([NH2:22])[CH2:21][CH2:20]1>C(O)C.O>[CH3:1][O:2][C:3](=[O:18])[C:4]1[CH:9]=[CH:8][C:7]([C:10]2[C:15]([Cl:16])=[CH:14][N:13]=[C:12]([NH:22][CH:19]3[CH2:21][CH2:20]3)[N:11]=2)=[CH:6][CH:5]=14-(2,5-Dichloropyrimidin-4-yl)-benzoic acid methyl ester (85 mg, 0.30 mmol) was dissolved in ethanol with 0.2 mL cyclopropylamine and the reaction mixture heated to 80° C. overnight. The reaction mixture was diluted with water and extracted with ethyl acetate. The organic layer was dried over sodium sulfate and concentrated to afford 4-(5-chloro-2-cyclopropylaminopyrimidin-4-yl)-benzoic acid methyl ester as a solid, 90 mg, 0.30 mmol, 100% yield. LCMS: ES+=304.1.
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