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Synthesis of Triazole and Tetrazole-Functionalized Zr-Based Metal-Organic Frameworks Through Post-Synthetic Ligand Exchange
Published on: June 23, 2023
1,5-Diamino-tetra-zolium chloride
Ling-Qiao Meng1, Zhi-Ming Du, Chun-Lin He
1State Key Laboratory of Explosion Science and Technology, Beijing Institute of Technology, Beijing 100081, People's Republic of China.
Abstract:
The title compound, CH(5)N(6) (+)·Cl(-), crystallized with two indepedent 1,5-diamino-tetra-zolium cations and two independent chloride anions in the asymmetric unit. In the crystal, there are a number of N-H⋯Cl hydrogen-bonding inter-actions, which generate a three-dimensional network.
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Nitrous acid, a weak acid, is prepared in situ via the reaction of sodium nitrite with a strong acid under cold conditions. This nitrous acid prepared in situ reacts with primary arylamines to form arenediazonium salts. Such reactions are known as diazotization reactions. As shown in Figure 1, the formation of arenediazonium salts begins with the decomposition of nitrous acid in an acidic solution to give nitrosonium ions.

