Synthesis and binding properties of calix[4]arene diamide dicarboxylic acids

被引：13
作者：
Arnand-Neu, F
Barboso, S
Casnati, A
Pinalli, A
Schwing-Weill, MJ
Ungaro, R
机构：
[1] ULP, ECPM, Chim Phys Lab, CNRS,UMR 7512, F-67087 Strasbourg 2, France
[2] Univ Parma, Dipartimento Chim Organ & Ind, I-43100 Parma, Italy
来源：
NEW JOURNAL OF CHEMISTRY | 2000年 / 24卷 / 12期
关键词：
D O I：
10.1039/b006505f
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Calix[4]arenes diametrically substituted at the lower rim with two carboxylic acid and two tertiary amide binding groups were obtained in good yields and their acid-base properties studied in methanol solution. Complexation studies, performed in methanol by potentiometry, show that mononuclear (MLHz, z = 0, 1) or dinuclear (M2L) complexes are formed with alkali metal cations, whereas MxL2Hz (x = 1, 2, z = 0, 1) species, involving two ligands, are also present with alkaline-earth cations. Both ligands 2 and 3 show a remarkable selectivity for Ca2+ and Sr2+ among alkali and alkaline-earth metal ions.
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页码：967 / 972
页数：6
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