Yield = 18%; mp = 230-232 °C (EtOH). 1H-NMR (CDCl3) δ 4.36 (s, 2H, CH2CO); 6.14 (s, 1H, H5-thiazole); 7.37-7.45 (m, 8H, Ar); 8.73 (exch br s, 1H, NH). Anal. Calcd for C17H12BrClN2O2S (423.71): C, 48.19; H, 2.85; N, 6.61; Found: C, 48.03; H, 2.85; N, 6.63.
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