Sodium Hydroxide → {[(4-{4-[((2R)-2-Hydroxy-2-{4-hydroxy-3-[(methylsulfonyl)amino]phenyl}ethyl)amino]-1-piperidineyl}anilino)carbonyl]amino}acetic acid

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The title compound was prepared from ethyl {[(4-{4-[((2R)-2-hydroxy-2-{4-hydroxy-3-[(methylsulfonyl)amino]phenyl}ethyl)amino]-1-piperidineyl}anilino)carbonyl]-amino}acetate (which was obtained in Example 377) by NaOH hydrolysis as a white solid; 1H NMR (300 MHz, DMSO-d6) δ 1.35-1.55 (m, 2H), 1.80-2.00 (m, 2H), 2.50-2.90 (m, 5H), 2.92 (s, 3H), 3.30-3.50 (m, 2H), 3.59 (d, J=5.9 Hz, 2H), 4.60 (dd, J=8.8, 3.5 Hz, 1H), 6.14 (t, J=5.0 Hz, 1H), 6.80 (d, J=9.1 Hz, 2H), 6.84 (d, J=8.3 Hz, 1H), 7.03 (dd, J=8.3, 2.0 Hz, 1H), 7.15-7.25 (m, 3H), 8.54 (s, 1H); MS (ES) m/z: 520.3 (M−H)−; HRMS Calcd. for C23H32N5O7S(MH+): 522.2017. Found: 522.2000.

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