Cesium carbonate → N-Methyl-2-oxiranylmethoxy-benzamide

関与物質

反応条件

反応手順

To a solution of 2-Hydroxy-N-methyl-benzamide (0.5 g, 3.31 mmol prepared according to Cohen, Seth M et al J. Am. Chem. Soc., (1998), 120(25), 6277-6286.) and cesium carbonate (2.16 g, 6.62 mmol) in acetonitrile was added epibromohydrin (0.274 ml, 3.31 mmol). The mixture was heated at 50° C. for 2 hours and then after cooling to room temperature partitioned between water (50 ml) and dichloromethane (100 ml). The dichloromethane was dried and evaporated. Chromatography (EtOAc) gave 0.43 g (64%) of the product as a solid.

情報源と証拠