反应详情

By following the procedure of Example 1 by employing 1.39 g(10.1 mmole) of 3-hydroxybenzoic acid, 0.4 g (10.1 mmole) of sodium hydroxide and 1.46 g(9.1 mmole) of chlorokojic acid, there was obtained 1.31 g(55.1%) of 2-(3-hydroxybenzoyl) oxymethyl-5-hydroxy-4H-pyran-4-one as a solid.