Add time:09/30/2019         Source:infona.pl

A novel macrocyclic silver(I)-NHC complex was prepared by the quaternization reaction and anion metathesization reaction from 1-(1H-Imidazole-1-yl)methylene-1H-1,2,4-triazole as starting material. Its molecular structure was determined by single crystal X-ray diffraction and NMR spectroscopy, it crystallizes in triclinic space group P − 1 with a = 11.3286(10) Å, b = 11.4226(10) Å, c = 12.3987(12) Å, α = 79.0060(10)°, β = 82.1780(10)°, γ = 84.5930(10)°, V = 1556.5(2) Å3, z = 2. The silver ion was coordinated by the two carbene C atoms of two independent triazolylidene rings in linear geometry. A 20-membered macrometallacycle was formed through the bridged interaction between two silver ions and two carbene ligands. There are weak π–π interactions between two picrate anions or between picrate anion and triazolylidene ring. Graphical A novel macrocyclic silver(I) N-heterocyclic carbene complex was prepared by the quaternization reaction and anion metathesization reaction from 1-(1H-Imidazole-1-yl)methylene-1H-1,2,4-triazole as starting material.

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