第 44 卷第 2 期 |  | Vol. 44 No. 2 | 2014 年 4 月 | Apr 2014 |
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所屬欄目:農藥及中間體
2-氨基-5-氯-N,3-二甲基苯甲酰胺的合成 |
張 洲,姚日生*
(合肥工業(yè)大學(xué) 醫學(xué)工程學(xué)院, 安徽 合肥 230009) |
摘 要:以7-甲基靛紅為原料,設計了經(jīng)氯化亞砜氯代、甲酸-雙氧水體系氧化、甲胺氨解反應來(lái)制備2-氨基-5-氯-N,3-二甲基苯甲酰胺的方法,優(yōu)化了工藝條件,考察了反應溫度和物料配比對氯化反應以及反應溫度對氧化反應的影響,使總收率達到62%,含量高達99.6%(歸一法)。 |
關(guān)鍵詞:2-氨基-5-氯-N,3-二甲基代苯甲酰胺;7-甲基靛紅;靛紅酸酐;氯化反應 |
中圖分類(lèi)號:TQ453.2 文獻標識碼:A 文章編號:1009-9212(2014)02-0018-03 |
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Synthesis of 2-Amino-5-chloro-N,3-dimethylbenzamide |
ZHANG Zhou, YAO Ri-sheng*
(School of Medical Engineering, Hefei University of Technology, Hefei 230009, China) |
Abstract:2-Amino-5-chloro-N,3-dimethylbenzamide was synthesized from 7-methylisatin in overall yield of 62%(purity of 99.6%) by a series of chlorination, oxidation and ammonolysis. The process conditions including the reaction temperature and the reagents ratio of the chlorination and the reaction temperature of the oxidation were optimized. |
Key words:2-amino-5-chloro-N,3-dimethylbenzamide; 7-methylisatin; isatoic anhydride; chlorination |
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收稿日期:2014-04-1
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