Synthesis, Characterization, and Complexation of Tetraarylborates with Aromatic Cations and Their Use in Chemical Sensors
作者:Terhi Alaviuhkola、Johan Bobacka、Maija Nissinen、Kari Rissanen、Ari Ivaska、Jouni Pursiainen
DOI:10.1002/chem.200400992
日期:2005.3.18
by NMR and mass spectrometric methods. X-ray crystal structures have been determined for potassium tetrakis(4-phenoxyphenyl)borate (K(+)1), N-methylpyridinium tetrakis(4-phenoxyphenyl)borate (61), 1-ethyl-4-(methoxycarbonyl)pyridinium tetrakis(4-phenoxyphenyl)borate (71), tropylium tetrakis(4-phenoxyphenyl)borate (81), and imidazolium tetrakis(biphenyl)borate (92). The results show that borate derivatives
五个芳香族硼酸根阴离子,分别是四(4-苯氧基苯基)硼酸根(1),四(联苯基)硼酸根(2),四(2-萘基)硼酸根(3),四(4-苯基苯酚)硼酸根(4)和四(4-苯氧基)硼酸酯(5)已制备并测试为化学传感器中某些芳香族阳离子和金属离子的离子识别位点。为了进一步了解阳离子的络合物,已制备了一些络合物并进行了结构表征。研究了1和2对N-甲基吡啶鎓(6),1-乙基-4-(甲氧基羰基)吡啶鎓(7),对甲苯胺(8),咪唑鎓(9)和1-甲基咪唑鎓(10)阳离子的络合行为,并测量了1与阳离子6和8的配合物的稳定性常数,以将其与先前研究的四苯基硼酸酯的配合物的值进行比较。硼酸根阴离子及其配合物的结构已通过NMR和质谱法进行了表征。已确定四(4-苯氧基苯基)硼酸钾(K(+)1),N-甲基吡啶四(4-苯氧基苯基)硼酸(61),1-乙基-4-(甲氧基羰基)吡啶四甲酸的X射线晶体结构(4-苯氧基苯基)硼酸根(71),