反应详情

A mixture of 3-bromo-N-(3-(3,4-dihydroisoquinolin-2(1H)-yl)-2-hydroxypropyl)benzamide (200 mg, 0.51 mmol), morpholine (44 mg, 0.51 mmol), Pd2(dba)3 (46 mg, 0.05 mmol), BINAP (62 mg, 0.1 mmol) and NaOtBu (73 mg, 0.77 mmol) in toluene (6 mL) was stirred at reflux for 16 h under N2. The reaction solution was concentrated, and the residue was dissolved in EA and filtered. The filtrate was concentrated, and the residue was purified by prep-HPLC to give the title compound (15 mg, Yield 7.5%). 1H NMR (CD3OD, 400 MHz): δ 8.48 (brs, 1H), 7.42 (s, 1H), 7.37-7.28 (m, 2H), 7.27-7.19 (m, 3H), 7.18-7.11 (m, 2H), 4.31-4.23 (m, 1H), 4.19 (s, 2H), 3.86 (dd, J=5.1, 4.8 Hz, 4H), 3.61-3.44 (m, 2H), 3.32-3.29 (m, 2H), 3.25-3.16 (m, 4H), 3.14-2.97 (m, 4H). LCMS (m/z): 396.2 (M+1).

1. temperatureat reflux for 16 h under N2
2. concentrationThe reaction solution was concentrated
3. dissolutionthe residue was dissolved in EA
4. filtrationfiltered
5. concentrationThe filtrate was concentrated
6. customthe residue was purified by prep-HPLC