Hydrochloric Acid → HCID 44300073, compound

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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-ethylbutanol according to the procedure of Example 1 as an off-white gum (HCl salt); 1H NMR (CDCl3) δ 0.80-0.95 (m, 12H), 1.25-1.45 (m, 10H), 1.50-1.65 (m, 3H), 2.75-2.85 (m, 1H), 3.10-3.40 (m, 1H), 3.47-3.49 (m, 2H), 4.25 (d, 5H), 5.50 (d, 1H), 6.70-6.80 (m, 1H), 6.80-6.90 (m, 2H), 7.20-7.45 (m, 3H), 7.46 (s, 1H), 8.74 (bs, 1 H), 10.06 (bs, 1H); IR (KBr): 2964 cm-1 (--OH), 1766 cm-1 (C=O); MS (ES) m/z 590.4 (MH+); [α]D25 -21° (c, 1.0, CHCl3). Anal. Calcd. for C32H44ClNO7 ·HCl: C, 61.34; H, 7.08; N, 2.24; Cl, 11.32. Found: C, 61.09; H, 7.46; N, 2.12; Cl, 10.77.

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