Norfenefrine → n-(4-{4-[2-Hydroxy-2-(3-hydroxy-phenyl)-ethylamino]-piperidin-1-yl}-phenyl)-4-methoxy-benzenesulfonamide

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The title compound was prepared from 4-methoxy-N-[4-(4-oxo-piperidine-1-yl)-phenyl]-benzenesulfonamide (which was obtained in Example 218) and DL-norphenylephrine according to the procedure of Example 255 as a white solid; 1H NMR (300 MHz, DMSO-d6) δ 1.25-1.60 (m, 2H), 2.00-2.15 (m, 2H), 2.50-3.10 (m, 5H), 3.60-3.70 (m, 2H), 3.79 (s, 3H), 4.80-4.90 (m, 1H), 6.05 (brs, 1H), 6.70-6.80 (m, 1H), 6.80-6.85 (m, 4H), 6.90 (d, J=9.0 Hz, 2H), 7.02 (d, J=9.0 Hz, 2H), 7.16 (t, J=7.7 Hz, 1H), 7.60 (d, J=9.0 Hz, 2H), 9.45 (s, 1H), 9.70 (s, 1H); MS (ES) m/z: 498.5 (MH+); HRMS Calcd. for C26H31N3O5S(M+): 497.1984. Found: 497.1961.

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