{[4-(4-Iodo-phenoxy)-benzenesulphonyl]-carboxymethyl-amino}-acetic acid → {[4-(4-Iodo-phenoxy)-benzenesulphonyl]-hydroxycarbamoylmethyl-amino}-acetic acid

Participants

Reaction Steps

Compound 6e was prepared following the procedure described for 6b with reagent quantities adapted to the amount of starting material 5e (500 mg, 1.02 mmol). Yield: 305 mg, 0.60 mmol, 59%. 1H NMR (D2O): δ 7.72 (d, 3J=8.2 Hz, 2H, ArH), 7.52 (d, 3J=8.8 Hz, 2H, ArH), 7.03 (d, 3J=8.8 Hz, 2H, ArH), 4.01 (s, 4H, CH2COOH). ESI-MS calcd for C16H15IN2O7S 505.97 [M-H]−, obsd 507.0.

Provenance & Evidence