반응 단계
The title compound was prepared from 5-{2-[2-(3-chloro-phenyl)-2-hydroxy-ethylamino]-propyl}-benzo[1,3]dioxole-2,2-dicarboxylic acid and 2-methyl-2-nitropropanol according to the procedure of Example 1 as an off-white solid; 1H NMR (DMSO-d6,400 MHz) δ 0.78 (s, 12H, 4×CH3), 0.8-1.0 (m, 4H, CH2), 1-1.2 (m, 11H, cyclohexyl, CH3), 1.5-1.65 (m, 10 H, cyclohexyl), 2.6 (m, 1H, CH), 3-3.3 (m, 3H, CH, CH2), 3.4 (brs, 1H, CH), 4.04 (s, 4H, OCH2, OCH2), 5.05 (m, 1H, CH), 6.35 (d, J=4.17 Hz, 1H, OH), 6.83 (dd, J=7.9, 1.32 Hz, 1H, Ar--H), 7.06 (s 1H, Ar--H), 7.09 (d, J=8.35 Hz), 7.38-7.42 (m, 3H, Ar--H), 7.5 (s, 1H, Ar--H), 8.8 (brs, 1H, NH), 9.4 (brs, 1H, NH); IR (KBr, cm-1) 3400 (OH), 2900 (NH), 1760 (CO); Analysis for: C28H34ClN3O11 ×HCl: Calc'd: C, 50.92; H, 5.34; N, 6.36; Found: C, 50.72; H, 5.42; N, 5.96.
