Br[CH2:2][C:3]1[S:4][CH:5]=[C:6]([C:8]([O:10][CH2:11][CH3:12])=[O:9])[N:7]=1.[C:13]([O-:16])(=[O:15])[CH3:14].[K+]>C(#N)C>[C:13]([O:16][CH2:2][C:3]1[S:4][CH:5]=[C:6]([C:8]([O:10][CH2:11][CH3:12])=[O:9])[N:7]=1)(=[O:15])[CH3:14]2.7 g (10.80 mmol) of ethyl 2-(bromomethyl)thiazole-4-carboxylate are dissolved in 108 mL of acetonitrile. 2.225 g (22.67 mmol) of potassium acetate are added and the medium is stirred at room temperature for 14 hours.
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