Armed-azacrown ethers having dual binding sites in a side arm: Complexing abilities and crystal structure of two alkali-metal complexes
作者:Yoichi Habata、Tomomi Saeki、Sadatoshi Akabori、Xian X. Zhang、Jerald S. Bradshaw
DOI:10.1002/jhet.5570380137
日期:2001.1
New armed-monoaza-12-crown-4 and armed-monoaza-15-crown-5 ethershavingdual phenolic OH and pyridine nitrogen bindingsites in a sidearm were prepared by the Mannich reaction of N-methoxymethyl-monoazacrown ethers with 3-hydroxypyridine. Complexation studies of these new hydroxypyridine-armed ligands were carried out by liquid membrane transport, 1H nmr titration experiments, thermodynamic values
通过N-甲氧基甲基单氮杂ac烯醚与3-甲氧基甲基单氮杂az烯醚的曼尼希反应,制备了在侧臂具有双酚羟基和吡啶氮结合位点的新型武装单氮杂-12-冠-4和武装单氮杂-15-冠-5醚。羟基吡啶。通过液膜传输,1 H nmr滴定实验,热力学值(log K,ΔH和TΔS)以及两种碱金属络合物的X射线晶体学研究,对这些新的羟基吡啶武装的配体进行了络合研究。这些结果表明,在碱性和中性条件下,酚OH基团的氧原子和侧臂的吡啶氮原子分别参与络合。
Lukyanenko, Nikolai G.; Pastushok, Victor N.; Bordunov, Andrei V., Journal of the Chemical Society. Perkin transactions I, 1994, # 11, p. 1489 - 1494
作者:Lukyanenko, Nikolai G.、Pastushok, Victor N.、Bordunov, Andrei V.、Vetrogon, Victor I.、Vetrogon, Natali I.、Bradshaw, Jerald S.