Most of the natural products isolated at present are heterocyclic compounds, so heterocyclic compounds occupy an important position in the research of organic chemistry. A compound: 14389-12-9, is researched, SMILESS is C1(C2=NN=NN2)=CC=NC=C1, Molecular C6H5N5Journal, New Journal of Chemistry called Hierarchically porous AlPO-5-based microspheres as heterogeneous catalysts for the synthesis of 5-substituted 1H-tetrazoles via [3+2] cycloaddition, Author is Kong, Dan; Liu, Yanyan; Zhang, Juan; Li, Hongbian; Wang, Xiangyu; Liu, Guangyu; Li, Baojun; Xu, Zheng, the main research direction is tungsten mol sieve preparation WALPO cycloaddition catalyst nitrile azide; tetrazole preparation.Computed Properties of C6H5N5.
The research on the heterogeneous catalytic synthesis of tetrazole derivatives has attracted great attention. In this paper, a tungsten atom-containing AlPO-5 microporous mol. sieve (termed as WAlPO-5) was designed and synthesized by the incorporation of tungsten atoms into the AlPO-5 skeleton with triethylamine as a structure template from pseudoboehmite, H3PO4 and tungstophosphoric acid. The incorporation of tungsten atoms into the AlPO-5 skeleton (aluminophosphate zeolites) has been demonstrated by systematic characterizations. WAlPO-5 can be used as an efficient heterogeneous catalyst for the synthesis of 5-substituted 1H-tetrazoles by [3+2] cycloaddition from nitriles and sodium azide. As a novel heterogeneous catalyst, WAlPO-5 exhibits a high catalytic activity, a superior cycling stability and an excellent substrate applicability. The significant advantages of WAlPO-5, such as the simple procedure and the mild reaction conditions and as an alternative to those corrosive, hazardous and polluting homogeneous catalysts, warrant its potential application in industrial processes. The synthesis of the target compounds was achieved by a reaction of sodium azide with benzonitrile derivatives (aryl nitriles), 4-pyridinecarbonitrile (pyridine derivative). The title compounds thus formed included 5-phenyl-2H-tetrazole derivatives, 4-(2H-tetrazol-5-yl)pyridine.
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Reference:
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