In situ metal-ion complexation and H2O2 oxidation for a pyridine-2,6-dione based disperse yellow dye
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- 作者：Yu-Xin Penga ; 523740344@qq.com" class="auth_mail" title="E-mail the corresponding author ; Xiao-Lei Zhaoa ; zhaoxiaolei2016@163.com" class="auth_mail" title="E-mail the corresponding author ; Dan Xua ; dellarish@aliyun.com" class="auth_mail" title="E-mail the corresponding author ; Hui-Fen Qianb ; qhf@njtech.edu.cn" class="auth_mail" title="E-mail the corresponding author ; Wei Huanga ; whuang@nju.edu.cn" class="auth_mail" title="E-mail the corresponding author
- 关键词：Heterocyclic dye ; Complexation ; Oxidation ; Ring-degradation ; Azo-hydrazone tautomerism
- 刊名：Dyes and Pigments
- 出版年：2017
- 出版时间：January 2017
- 年：2017
- 卷：136
- 期：Complete
- 页码：559-568
- 全文大小：1653 K
文摘
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In situ Cu2+ complexation and H2O2 oxidation of a pyridine-2,6-dione dye is described.
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Four products are isolated by treating this dye with Cu2+ and H2O2 in NH3·H2O/DMF.
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A mechanism is proposed for hydroxyl-addition and ring-degradation products.
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A method for preparing new dyes with an additional o-Ph-OH group is proposed.