Ethanol → Ethyl 5-chloro-2-nitrobenzoate

関与物質

反応手順

To a mixture of ethanol (1.23 mL), triethylamine (3.05 mL) and tetrahydrofuran (35 mL) was dropwise added a solution of 5-chloro-2-nitrobenzoic acid chloride (4.44 g) obtained in Example 9-4a) in tetrahydrofuran (10 mL) under ice-cooling. The mixture was stirred at room temperature overnight, and water was then added. The solution was diluted with ethyl acetate, and the organic layer was washed successively with saturated aqueous sodium bicarbonate and saturated brine, dried over sodium sulfate and concentrated to give the title compound (4.43 g) as a pale brown solid.

情報源と証拠