N-[5-(2-amino-1-hydroxyethyl)-2-hydroxyphenyl]methanesulphonamide → N-[5-(2-{1-[4-(2,4-Dioxo-thiazolidin-5-ylidenemethyl)-phenyl]-piperidine-4-ylamino}-1-hydroxy-ethyl)-2-hydroxy-phenyl]-methanesulfonamide

Participants

Reaction Steps

The title compound was prepared from 5-[4-(4-oxo-piperidine-1-yl)-benzylidene]-thiazolidine-2,4-dione (which was obtained in Example 36) and N-[5-(2-amino-1-hydroxy-ethyl)-2-hydroxy-phenyl]-methanesulfonamide (which was obtained in Example 9) according to the procedure of Example 73 as a pale yellowish solid; mp >200° C. (decomposed); 1H NMR (300 MHz, DMSO-d6) δ 1.45-1.60 (m, 2H), 1.90-2.05 (m, 2H), 2.70-3.50 (m, 5H), 2.94 (s, 3H), 3.88 (brd, J=9.9 Hz, 2H), 4.67 (dd, J=7.2, 2.1 Hz, 1H), 6.87 (d, J=6.3 Hz, 1H), 7.00 (d, J=6.8 Hz, 2H), 7.06 (dd, J=6.3, 1.5 Hz, 1H), 7.23 (d, J=1.5 Hz, 1H), 7.33 (s, 1H), 7.38 (d, J=6.8 Hz, 2H); MS (ES) m/z: 533.0 (MH+); HRMS Calcd. for C24H29N4O6S2 (MH+): 533.1529. Found: 533.1544.

Provenance & Evidence