1.The primary synthetic methods of 4-hydroxycoumarin was reviewed starting from phenol, 2-acetylsalicylic acid, methyl salicylate, and o-hydroxyacetophenone respectively.
4-羟基香豆素的合成方法,重点介绍苯酚法,乙酰水杨酸法,水杨酸甲酯法,邻羟基苯乙酮法。
2.P-hydroxyacetophenone combined with methyl chloroacetate can get a new acetonate.This new acetonate combined with another compound-ethanolamine and get a new schiff base.