氮杂冠醚（Aza-crown ether）是一类具有冠醚骨架但包含氮原子的化合物。这类化合物由于氮原子的存在而具有不同于纯氧冠醚的特性，包括增强的配位能力和对特定离子的选择性。结构和分类 氮杂冠醚的基本结构与冠醚类似，但在环状结构中，一个或多个氧原子被氮原子取代。根据氮原子的数量和位置，氮杂冠醚可以分为多种...
氮杂冠醚(Azacrown Ether)是一类冠醚的衍生物,其中一个或多个氧原子被氮原子替代。这种结构的修饰引入了氮原子的独特化学性质,使得氮杂冠醚在分子识别、配位化学和催化等领域表现出特有的功能。以下是关于氮杂冠醚的详细说明: 结构特征 基本结构: 冠醚:冠醚是由乙二醇单元通过醚键(-O-)连接而成的环状分子,通常用...
significant perturbations either in the absorption or emission spectra.This may be attributed to poor electronic communication between the crown-bound metal ions and the benzothiazole fluorophore due to steric encumbrance between the ortho-substituted benzothiazole chromophore and the phenyl aza-crown moiety...
ChemInform Abstract: A C60‐Armed p‐tert‐Butylcalix[4]‐aza‐crown. ChemInform is a weeklying Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInformof ... C Chen,J Li,JZ Huang - 《Chem Inform》 被引量: 0发表: 1999...
必应词典为您提供aza-crown-ether的释义,网络释义: 氮杂冠醚;二氨基芳醚;
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ChemInform Abstract: A C60-Armed p-tert-Butylcalix[4]-aza-crown. ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a Chem... Chuan-Feng,Chen,Ji-Sheng,... - 《Cheminform》 被引量: 0发表: 199...
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Aza-crown ethers are ligands in which the oxygen atoms are replaced by nitrogen atoms in the crown ether ring systems. This type of ligand possesses specific complexation with metal ions, such as those of transition-metals, rare earths, alkali metals and alkaline earths, which form metal complex...