Objective To search a better 5-aminosalicylicacid (5-asa) derivative with higher activity and less side effects.
目的寻找活性强、副作用小的5 -氨基水杨酸衍生物。
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Methods By the reactions of nitration, acylation, halogenation, condensation, a new 5-aminosalicylicacid derivative was synthesized from salicylic acid and acetaminophen.