反应详情
EQUATION
反应方程式
REACTANTS
反应物
PRODUCTS
生成物
AUXILIARIES
试剂、催化剂与溶剂
CONDITIONS
反应条件
- 温度
- 25 °C
PROCEDURE
实验过程
A solution of (16) (0.040 g, 0.07 mmol) in trifluoroacetic acid (5 mL) was capped with a drying tube and stirred at 25° C. for 12 h. The reaction mixture was evaporated to a light brown solid residue (0.05 g, quantitative yield); 1H NMR (DMSO) δ 12.10 (br s, 1H), 10.56 (br s, 1H), 7.92 (s, 1H) 7.67 (d, 2H, J=8.5), 7.51 (d, 2H, J=8.3), 7.27 (s, 1H), 7.26 (d, 2H, J=7.9), 6.64 (d, 2H, J=8.4), 4.32 (d, 2H, J=12.6), 3.91 (s, 3H), 3.89 (s, 3H), 3.68 (m, 1H), 3.36 (t, 2H, J=10.7), 2.32 (s, 3H), 2.05 (d, 2H, J=8.0), 1.47 (m, 2H); 13C NMR (DMSO) δ 167.4, 157.2, 155.4, 151.4, 150.7, 147.0, 136.4, 135.0, 134.6, 131.2, 129.1, 124.0, 117.0, 111.2, 104.3, 102.2, 99.1, 56.3, 56.1, 47.9, 43.5, 30.8, 20.6; HRMS (FAB) m/z 514.2459 M+H)+ (C29H31N5O4 requires 514.2454); Anal. (C29H31N5O4 ·1CF3COOH·11/4H2O) C, H, N.