Benzyl bromoacetate → {(3,4-Dimethoxy-benzenesulfonyl)-[4-(4-oxo-piperidin-1-yl)-phenyl]-amino]-acetic acid benzyl ester

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Reaction Steps

The title compound was prepared from 3,4-dimethoxy-N-[4-(4-oxo-piperidine-1-yl)-phenyl]-benzenesulfonamide (which was obtained in Example 242) and benzyl-2-bromoacetate according to the procedure of Example 251 as an orange gum; 1H NMR (300 MHz, CDCl3) δ 2.53 (t, J=6.06 Hz, 4H), 3.59 (t, J=6.00 Hz, 4H), 3.79 (s, 3H), 3.93 (s, 3H), 4.50 (s, 2H), 5.13 (s, 2H), 6.78-6.87 (m, 2H), 7.07-7.10 (m, 2H), 7.15 (d, J=2.1 Hz, 1H), 7.27-7.37 (m, 7H); MS (ES) m/z: 539.0 (MH+); HRMS found for C28H30N2O7S(MH+): 539.1842.

Provenance & Evidence