到了1897年，一种取自柳树的活性成分柳醇(水杨苷)的衍生合成物——乙酰水杨酸诞生了。
By 1897 a synthetic derivative (acetyl salicylic acid) of the plant's active ingredient (salicin) was created.
方法以水杨酸为起始原料，通过硝化、酰化、卤化反应，与对乙酰氨基酚相偶联，合成了新的5 -氨基水杨酸衍生物。
Methods By the reactions of nitration, acylation, halogenation, condensation, a new 5-aminosalicylic acid derivative was synthesized from salicylic acid and acetaminophen.
目的建立乙酰水杨酸的快速合成方法。
Objective To probe into the feasibility of synthesizing acetylsalicylic acid under mcrowave radiation condition.
目的建立乙酰水杨酸的快速合成方法。
Objective To probe into the feasibility of synthesizing acetylsalicylic acid under mcrowave radiation condition.
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