反应详情

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0 °C

Trifluoroacetic acid (0.5 mL) was added dropwise to a solution of (R)-tert-butyl 2-(4-chlorophenyl)-2-(4-(5-methyl-6,7-dihydro-5H-cyclopenta[d]pyrimidin-4-yl)phenoxy)ethyl(isopropyl)carbamate (26 mg, 0.0498 mmol) in methylene chloride (1.0 mL) at 0° C. The mixture was stirred at 0° C. for 10 minutes and then at room temperature for 2 hours. The contents were concentrated. The resulting residue was purified by reverse-phase HPLC to give (R)—N-(2-(4-chlorophenyl)-2-(4-(5-methyl-6,7-dihydro-5H-cyclopenta[d]pyrimidin-4-yl)phenoxy)ethyl)propan-2-amine as TFA salt (7.5 mg, 23%). 1H NMR (d6-DMSO, 500 MHz) δ (ppm): 8.9 (s, 1H), 8.7 (s, br, 2H), 7.8 (t, 2H), 7.5 (m, 4H), 7.1 (d, 2H), 5.7 (d, 1H), 3.8 (m, 1H), 3.4-3.5 (m, 2H), 3.3-3.4 (m, 1H), 3.0-3.1 (m, 1H), 2.9 (m, 1H), 2.3 (m, 1H), 1.7 (m, 1H), 1.3 (dd, 6H), 0.9 (dd, 3H). MS (422.3, M+1).

1. waitat room temperature for 2 hours
2. concentrationThe contents were concentrated
3. customThe resulting residue was purified by reverse-phase HPLC