Recommanded Product: 5-(4-Pyridyl)-1H-tetrazole. The reaction of aromatic heterocyclic molecules with protons is called protonation. Aromatic heterocycles are more basic than benzene due to the participation of heteroatoms. Compound: 5-(4-Pyridyl)-1H-tetrazole, is researched, Molecular C6H5N5, CAS is 14389-12-9, about Rational design of metal-organic frameworks based on 5-(4-pyridyl)tetrazolate: From 2D grids to 3D porous networks. Author is Jiang, Chao; Yu, Zhaopeng; Wang, Sujing; Jiao, Chao; Li, Jiaming; Wang, Zhiyong; Cui, Yong.
The hydrothermal reactions of Zn(ClO4)2·6H2O/Cu(NO3)2·6H2O with 5-(4-pyridyl)tetrazole (H4-ptz) in an EtOH/H2O or EtOH/H2O/pyridine medium yield one 2-dimensional and one 3-dimensional metal-organic coordination framework [Zn2(OH)(4-ptz)3] (1) and [Cu(4-ptz)·0.5(py)] (3), resp. Complex 1 possesses two identical and independent rectangular grid sheets with 2-fold parallel interpenetration, in which the four-connected nodes of the net are provided by Zn2(OH) units connected to one another through 4-ptz and (4-ptz)2 bridges. These composite sheets are stacked one on top of another by H-bonding interactions to afford a 3-dimensional structure. There are many structural similarities between complex 1 and the recently reported 2-dimensional layered network [Zn(OH)(4-ptz)(H2O)] (2), in particular the components of the network, the coordination mode of the 4-ptz ligand and the in situ formation of hydroxy groups. Complex 2 can be synthesized by the hydrothermal reaction of Zn(ClO4)2·6H2O and 5-(4-pyridyl)tetrazole in an EtOH/H2O/pyridine medium. The structural characterization of complex 3 shows a porous structure that contains the guest pyridine mols. Addnl., compounds 1 and 2 exhibit strong fluorescence at room temperature in the solid state.
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Chiral nitrogen ligands in late transition metal-catalysed asymmetric synthesis—I. Addressing the problem of ligand lability in rhodium-catalysed hydrosilations,
Nitrogen-Containing Ligands for Asymmetric Homogeneous and Heterogeneous Catalysis