Chemistry is the experimental and theoretical study of materials on their properties at both the macroscopic and microscopic levels. 37622-90-5, Name is Ethyl 4-pyrazolecarboxylate, molecular formula is C6H8N2O2. In an article, author is Zhang, Shi-Hui,once mentioned of 37622-90-5, Formula: C6H8N2O2.
Rational synthesis of an ultra-stable Zn(II) coordination polymer based on a new tripodal pyrazole ligand for the highly sensitive and selective detection of Fe3+ and Cr2O72- in aqueous media
A mixed-ligand strategy has been used to construct stable luminescent coordination polymers (CPs). An ultra-stable Zn(ii) coordination polymer, [Zn(H(3)tpb)(Hbtc)](n)(1) was hydrothermally synthesized by employing a new tripodal pyrazole ligand H(3)tpb and a classical carboxylic ligand H(3)btc (H(3)tpb = 1,3,5-tris(pyrazolyl)benzene, H(3)btc = 1,3,5-benzenetricarboxylic acid). Complex 1 exhibits a 2D sql network. Importantly,1 not only possesses excellent thermal stability but also shows superior chemical stability in terms of water resistance, acid/base aqueous solutions tolerance (pH = 2-12), and organic solvents resistance. This excellent structural stability was further illustrated from the perspective of thermal decomposition kinetics. The luminescence properties were investigated, showing that complex 1 displays high sensitivity and selectivity for detecting Fe3+ and Cr2O72- ions in aqueous solutions via luminescence quenching effects.
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Reference:
Pyrazole – Wikipedia,
,Pyrazoles – an overview | ScienceDirect Topics