1: 285 mg / Et3N; 3,4-dimethyl-5-(2-hydroxyethyl)thiazolium iodide / tetrahydrofuran / 24 h / Heating 2: 224 mg / aq. NH4Cl; AcOH / 30 h / Heating View Scheme

3,4-dimethyl-5-(2-hydroxyethyl)-thiazolium iodide; triethylamine in tetrahydrofuran Stetter reaction; 24 h; Heating;