Four Keggin-type polyoxometalate-based complexes derived from bis(pyrazine)–bis(amide) ligands for electrochemical sensing of multiple analytes and adsorbing dye molecules
作者:Zi-Wei Cui、Jun-Jun Lu、Hong-Yan Lin、Jian Luan、Zhi-Han Chang、Xiao-Hui Li、Xiu-Li Wang
DOI:10.1039/d1ce01403j
日期:——
Four new Keggin-type polyoxometalate (POM)-based metal–organic complexes constructed from two flexible bis(pyrazine)–bis(amide) ligands N,N′-bis(2-pyrazinecarboxamide)-1,2-ethane (bpae) and N,N′-bis(5-methyl-2-pyrazinecarboxamide)-1,2-ethane (bmpae), namely, [Cu2(bpae)2(H2O)2(PMoVI9MoV3O39)]·5.5H2O (1), [Cu2(bpae)2(SiMo12O40)]·3H2O (2), [Co2(bmpae)2(H2O)4](SiW12O40)}·1.5H2O (3), and [Cu2(bmpae)2(SiW12O40)]·8H2O
四种新的 Keggin 型多金属氧酸盐 (POM) 基金属-有机配合物,由两个柔性双(吡嗪)-双(酰胺)配体N、N'-双(2-吡嗪甲酰胺)-1,2-乙烷(bpae)和N , N'-双(5-甲基-2-吡嗪甲酰胺)-1,2-乙烷(bmpae),即[Cu 2 (bpae) 2 (H 2 O) 2 (PMo VI 9 Mo V 3 O 39 ) ]·5.5H 2 O ( 1 ), [Cu 2 (bpae) 2 (SiMo 12 O 40 )]·3H 2 O ( 2)、[Co 2 (bmpae) 2 (H 2 O) 4 ](SiW 12 O 40 )}·1.5H 2 O ( 3 )、[Cu 2 (bmpae) 2 (SiW 12 O 40 )]·8H 2 O ( 4 ) 已被水热合成和结构表征。Complex 1是一个基于[PMo VI 9 Mo V 3 O 39 ] 4− (PMo 12 )的3