第 33 卷第 1 期 |  | Vol. 33 No. 1 | 2003 年 2 月 | Feb 2003 |
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所屬欄目:其它
(Z)-2-(2-氨基-4-噻唑)-2-羥亞胺基乙酸乙酯的合成工藝改進(jìn) |
楊藝虹; 張珩; 李培成(武漢化工學(xué)院; 武漢化工研究所; 湖北武漢; 430073; 430074) |
摘 要:以乙酰乙酸乙酯為原料 ,經(jīng)亞硝化、溴化、環(huán)合連續反應制得 (Z) 2 (2 氨基 4 噻唑 ) 2 羥亞氨基乙酸乙酯 ,總收率為 76.73% ,含量為 98.5 %。對合成工藝進(jìn)行了改進(jìn) ,簡(jiǎn)化了操作 ,提高了反應收率。 |
關(guān)鍵詞:去甲氨噻肟酸乙酯; 合成; 工藝 |
中圖分類(lèi)號:TQ460.4 文獻標識碼:A 文章編號:1009-9212(2003)01-0014-02 |
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Improvement on the Synthesis of Ethyl (Z)-2-(2-amino-4-thiazolyl)-2-hydroximinoacetate |
YANG Yi-hong; et al.(Wuhan Institute of Chemical Technology; Hubei Wuhan; 430074; China) |
Abstract:The ethyl(Z)-2-(2-amino-4-thiazolyl)-2-hydroximinoacetate was synthesized by nitrition, bromation and cyclization from ethyl acetoacetate in total yield of 76.7% and content of 98.8%. The synthetic process was improved, operation was simplified and yield was increased. |
Key words:ethyl demethylaminothiazolyloximate; synthesis; process |
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收稿日期:2002-11-30
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