Abstract:Source of materialTo a solution of 4,6-dibenzyloxy-2-hydroxyacetophenone (0.780 g, 2.24 mmol) in glacial acetic acid (10 ml), was added drop-wise a solution of bromine (0.13 ml, 2.24 mmol) in glacial acetic acid (2 ml) at room temperature over a period of 30 min and the reaction mixture stirred for 4 h at the same temperature. The reaction was quenched by the addition of water (20 ml) and the resulting solid was filtered off. The crude product was separated by preparative thin layer chromatography (PTLC, 7:3 n… Show more
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