第2个回答 2012-12-06
o-phthalic anhydride
2-(4′-Acetylaminobenzoyl)benzoic acid(1) was synthesized by Friedel-Crafts reaction from o-phthalic anhydride and acetanilide using AlCl_3 as a catalyst and 1,2-dichlorethene as a solvent. 2 was obtained from 1 in acid solution by removing acetyl.
以邻苯二甲酸酐,乙酰苯胺为原料,二氯乙烷为溶剂,无水三氯化铝为催化剂,通过Friedel-Crafts酰基化反应制得2-(4′-乙酰氨基苯甲酰基)苯甲酸(1),1在酸性条件下回流,除去乙酰基得到2-(4′-氨基苯甲酰基)苯甲酸(2)。
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