HCID 10053575, compound → HCID 15894405, compound

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The title compound was prepared from 5-{(2R)-2-[(2R)-2-(3-chloro-phenyl)-2-hydroxy-ethylamino]-propyl}-benzo[1,3]dioxole-2,2-dicarboxylic acid bis-(3-methylbutyl)ester according to the procedure of Example 22 as an off-white solid; 1H NMR (DMSO) δ 0.80-0.85 (m, 6H), 1.02-1.09 (m, 3H), 1.45 (q, 2H), 1.55-1.70 (m, 1H), 3.01-3.05 (m, 2H), 3.15-3.25 (m, 1H), 3.26-3.40 (m, 2H), 4.15 (t, 2H), 5.00-5.08 (m, 1H), 6.45 (bs, 1H), 6.55-6.65 (m, 1H), 6.75-6.90 (m, 2H), 7.45-7.49 (m, 5H), 7.51 (s, 1H); IR (Kbr): 3394 cm-1 (--OH), 1651 cm-1 (C=O); MS (ES) m/z 492.0 (MH+); [α]D25 -22° (c, 1.0, CHCl3). Anal. Calcd. for C25H30ClNO7 : C, 61.04; H, 6.15; N, 2.85; Cl, 7.20. Found: C, 59.80; H, 6.10; N, 2.89; Cl, 7.10.

Provenance & Evidence