Thermal decomposition of ethylenediaminetetraacetic acid in the presence of 1,2-phenylenediamine and hydrochloric acid

Jingwen Chen; Jinhao Gao; Xiaoyong Wang

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Thermal decomposition of ethylenediaminetetraacetic acid in the presence of 1,2-phenylenediamine and hydrochloric acid

机译：1,2-苯二胺和盐酸存在下乙二胺四乙酸的热分解

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Based on the reaction products of ethylenediaminetetraacetic acid (EDTA) with 1,2-phenylenediamine (o-PDA), a novel thermal decomposition pathway of EDTA is proposed. The strong acidic medium and the presence of o-PDA facilitate the decomposition of EDTA as evidenced by the relatively lower reaction temperature. In addition to the steps described in literatures, rearrangement process is involved in the decomposition reaction. The rearranged intermediates condense with o-PDA, forming an unexpected biologically active compound 2,2,4-trimethyl-3H-5-hydro-1,5-benzodiazepine, thus provides the possibility to explore an alternative decomposition mechanism for this widely used chelator.

机译：基于乙二胺四乙酸（EDTA）与1,2-苯二胺（o-PDA）的反应产物，提出了一种新的EDTA热分解途径。如相对较低的反应温度所证明的那样，强酸性介质和o-PDA的存在促进了EDTA的分解。除文献中描述的步骤外，重排过程还涉及分解反应。重排的中间体与o-PDA缩合，形成意想不到的生物活性化合物2,2,4-三甲基-3H-5-氢-1,5-苯并二氮杂pine，从而为探讨这种广泛使用的螯合剂提供了另一种分解机理的可能性。。

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《Journal of the Brazilian Chemical Society》 |2006年第5期|共6页
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Jingwen Chen; Jinhao Gao; Xiaoyong Wang;
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中图分类生物物理学;
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机译：1,2-苯二胺和盐酸存在下乙二胺四乙酸的热分解
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Thermal decomposition of ethylenediaminetetraacetic acid in the presence of 1,2-phenylenediamine and hydrochloric acid

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