Tetrahydrofuran → N-(3-(3-(cyclopropanecarboxamido)isoquinolin-7-yl)-4-methylphenyl)morpholine-4-carboxamide

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To a solution of 4-nitrophenyl 3-(3-(cyclopropanecarboxamido)isoquinolin-7-yl)-4-methylphenylcarbamate (55.5 mg, 0.115 mmol) in tetrahydrofuran (1.5 mL, 18 mmol) was added morpholine (0.0500 mL, 0.573 mmol) and triethylamine (0.0500 mL, 0.359 mmol). The reaction mixture was stirred at room temperature for 16 hours. The reaction mixture was poured into ethyl acetate, washed with saturated aqueous sodium bicarbonate and brine, dried over MgSO4, filtered, and evaporated in vacuo. The crude product was purified via reverse phase HPLC and lyophilized to yield 33.4 mg (67%) of N-(3-(3-(cyclopropanecarboxamido)isoquinolin-7-yl)-4-methylphenyl)morpholine-4-carboxamide. LCMS (ESI): RT (min)=4.234, M+H=431.2, method=E; 1H NMR (400 MHz, DMSO-d6) δ 10.88 (s, 1H), 9.17 (s, 1H), 8.52 (s, 1H), 8.48 (s, 1H), 7.97 (s, 1H), 7.90 (d, J=8.6 Hz, 1H), 7.67 (d, J=8.6 Hz, 1H), 7.46 (s, 1H), 7.43 (d, J=8.3 Hz, 1H), 7.20 (d, J=8.3 Hz, 1H), 3.66-3.53 (m, 4H), 3.47-3.37 (m, 4H), 2.21 (s, 3H), 2.15-2.00 (m, 1H), 0.98-0.67 (m, 4H).

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