反应详情

A solution of the above crude 5-chloro-N-(3-(3-chlorophenyl)-1-methyl-1H-pyrazol-4-yl)pyrazolo[1,5-a]pyrimidine-3-carboxamide, cyclopropylmethylamine (0.1 mL, 1.0 mmol), and N,N-diisopropylethylamine (0.20 mL, 1.1 mmol) in ethanol (5 mL) was heated at 120° C. by microwave irradiation. After 30 minutes, the reaction mixture was concentrated to dryness, and the resultant crude product was purified by reverse phase HPLC and lyophilized to give 95.7 mg (64%) of N-(3-(3-chlorophenyl)-1-methyl-1H-pyrazol-4-yl)-5-(cyclopropylmethylamino)pyrazolo[1,5-a]pyrimidine-3-carboxamide. LCMS (ESI) m+H=422.1; 1H NMR (500 MHz, DMSO) δ 9.62 (s, 1H), 8.58 (d, J=7.6, 1H), 8.20 (s, 1H), 8.14 (s, 2H), 7.75-7.59 (m, 2H), 7.46 (t, J=7.8, 1H), 7.42-7.34 (m, 1H), 6.41 (d, J=7.6, 1H), 3.90 (s, 3H), 2.62-2.54 (m, 2H), 0.76 (s, 1H), 0.38-0.24 (m, 2H), −0.14 (m, 2H).

1. concentrationthe reaction mixture was concentrated to dryness
2. customthe resultant crude product was purified by reverse phase HPLC