The primary synthetic methods of 4-hydroxycoumarin was reviewed starting from phenol, 2-acetylsalicylic acid, methyl salicylate, and o-hydroxyacetophenone respectively.
概述了4-
香豆素的合成方法，重点介绍了
酚法，
酰水杨酸法，水杨酸甲酯法，
酮法。
酮The primary synthetic methods of 4-hydroxycoumarin was reviewed starting from phenol, 2-acetylsalicylic acid, methyl salicylate, and o-hydroxyacetophenone respectively.
概述了4-香豆素的合成方法，重点介绍了酚法，酰水杨酸法，水杨酸甲酯法，酮法。
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.
由对酮与氯酸甲酯反应,得到一种酮,这种酮再与醇胺反应得到一种新的希夫碱。
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