反应详情
EQUATION
反应方程式
REACTANTS
反应物
PRODUCTS
生成物
PROCEDURE
实验过程
A solution of Intermediate 154a (50.5 mg, 0.067 mmol) and 1-methylpiperazine (37 μL, 0.33 mmol) in THF (1 mL) was stirred at 60° C. for 20 h in a sealed tube. The mixture was concentrated in vacuo and the residue purified by MDAP (Method 7). The title product was isolated as an off-white solid (28 mg, 55%). LCMS (Method 5): Rt 3.62 min, m/z 761.6 [MH+]. 1H NMR (400 MHz, d6-DMSO): 0.91 (3H, d, J=8.0 Hz), 1.28 (9H, s), 1.47-1.56 (2H, m), 1.61-1.73 (2H, m), 1.74-1.97 (4H, m), 2.00-2.19 (5H, m), 2.21-2.35 (4H, m), 2.36-2.49 (4H, m), 2.66 (2H, t, J=8.0 Hz), 2.86-2.95 (1H, m), 3.12-3.19 (1H, m, obscured by water), 3.27-3.35 (1H, m, obscured by water), 4.10 (2H, t, J=8.0 Hz), 4.78-4.86 (1H, m), 5.52 (1H, t, J=4.0 Hz), 6.33 (1H, s), 6.94-6.98 (1H, m), 7.05-7.13 (3H, m), 7.19 (1H, dd, J=8.0 Hz, 4.0 Hz), 7.24-7.42 (5H, m), 7.64 (1H, d, J=8.0 Hz), 7.69 (1H, d, J=4.0 Hz), 8.13 (1H, s), 8.17 (1.4H, s).
WORKUP
后处理
- concentrationThe mixture was concentrated in vacuo
- customthe residue purified by MDAP (Method 7)