Application In Synthesis of 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 Simple and efficient synthesis of 5-substituted 1-H-tetrazoles using metal-modified clay catalysts. Author is Chermahini, Alireza Najafi; Teimouri, Abbas; Moaddeli, Ali.
The synthesis of 5-substituted 1-H-tetrazoles based on reaction of a series of aromatic nitriles with sodium azide was investigated. The reaction was catalyzed by modified montmorillonite K-10 including Cu2+, Fe3+, Ni2+, and Zn2+ metal ions. The best results obtained by Mont-K10-Cu catalyst. The catalysts were reused several times without loss of their activity. The present procedure offers advantages such as a shorter reaction time, simple workup, recovery, and reusability of the catalyst.
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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