第 45 卷第 4 期 |  | Vol. 45 No. 4 | 2015 年 8 月 | Aug 2015 |
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所屬欄目:醫藥及中間體
一種頭孢地尼合成的改進(jìn) |
厲 昆1,祝方猛1,吳 興2,陳 治1 ,馬向紅1
(1. 浙江普洛得邦制藥有限公司,浙江 東陽(yáng) 322118;2.浙江橫店普洛進(jìn)出口有限公司,浙江 東陽(yáng) 322118) |
摘 要:以S-硫代苯駢噻唑-(Z)-2-(2-氨基噻唑-4基)-乙酰氧基亞胺乙酸酯(地尼側鏈活性酯)和7-氨基-3-乙烯基-8-氧代-5-硫雜-1-氮雜雙環(huán)[4.2.0]辛-2-烯-2-羧酸(7-AVNA)為原料,氫氧化鈉作縮合劑,經(jīng)碳酸銨和碳酸鉀脫去乙;Wo基,合成了頭孢地尼。收率達85.2%(n/n)。 |
關(guān)鍵詞:頭孢地尼;縮合;合成 |
中圖分類(lèi)號:TQ463 文獻標識碼:A 文章編號:1009-9212(2015)04-0039-03 |
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An Improved Synthesis of Cefdinir |
LI Kun1, ZHU Fang-meng1, WU Xing2, CHEN Zhi1, MA Xiang-hong1
(1. Zhejiang Apeloa Tospo Pharm CO., LTD., Dongyang 322118, China; 2. Zhejiang Hengdian Apeloa Imp.& Exp. CO., LTD, Dongyang 322118, China) |
Abstract:A synthetic process was developed for the preparation of cephalosporin cefdinir using S-thio-benzothiazole-(Z)-2-(2-aminothiazole-4-yl-)-acetoxy imine acetate(cefdinir side chain active ester)and(6R,7R)-7-amino-8-oxo-3-vinyl-5-thia-1-azabicyclo[4.2.0] oct-2-ene-2-carboxylic acid(7-AVNA)as the starting materials through a series reactions. In these reactions sodium hydroxide was used as condensing agent; ammonium carbonate and potassium carbonate were used as the buffer catalyst for the removal of acetyl group by hydrolysis. Yield was 85.2%. |
Key words:Cefdinir; condensation; synthesis |
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作者簡(jiǎn)介: 厲 昆(1974-),男,浙江東陽(yáng)人,高級工程師,碩士研究生,主要從事醫藥中間體和藥物合成研究(E-mail:kun.li@apeloa.com)。
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收稿日期:2015-06-09
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