Chemistry is the experimental science by definition. We want to make observations to prove hypothesis. For this purpose, we perform experiments in the lab. , Name: Isonicotinic acid, 55-22-1, Name is Isonicotinic acid, molecular formula is C6H5NO2, belongs to pyridine-derivatives compound. In a document, author is Nicolaou, Maria, introduce the new discover.
Controlled one pot synthesis of polyoxofluorovanadate molecular hybrids exhibiting peroxidase like activity
Three unique mixed-valence polyoxofluorovanadate clusters have been synthesized through a facile preparation process. The structure of these clusters is controlled by the addition of organic ligands. Single-crystal X-ray diffraction revealed that the clusters have the formula (XyH(2))(4)[(V10V4IV)-V-V O-14(mu-O)(10)-(mu(3)-O)(10)(mu(3)-F)(2)F-4] (1), (Xy = m-xylylenediamine), (pyH)(4)(H)(2)[(V10V2O12)-V-V-O-IV(mu-O)(8)(mu(3)-O)(10)(mu(3)-F)(2)(pic)(2)] (2) and (pyH)(4)(H)(3)(Na+)[(V7V2O9)-V-V-O-IV(mu-O)(8)(mu(3)-O)(4)(mu(5)-F)(pic)(4)](2) (3), (py = pyridine, pic(-) = picolinate), with 2 and 3 representing the first examples of polyoxofluorovanadate clusters coordinated to a chelating ligand. The electron paramagnetic resonance (EPR) spectroscopy of 1 revealed that the spins of the VIV centers are coupled to each other, in contrast to the isolated spins of the isostructural [(V12V2O16)-V-V-O-IV(mu-O)(10)(mu(3)-O)(10)(mu(3)-F)(2)(L)(2)](6-), where L: im = imidazole (4); py (5). The trigonal bipyramidal coordinated VV atoms of 1, 4 and 5 mimic the structure of the active site of the vanadium dependent peroxidases and 4 and 5 exhibit peroxidase like activity.
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Reference:
Pyridine – Wikipedia,
,Pyridine | C5H5N – PubChem