Ethyl-Lophine, 1-ethyl-2,4,5-triphenyl-1H-imidazole, C23H20N2, was synthesized as a precursor for large organic cations in ionic liquids using an improved microwave-assisted method. The title compound and a precursor compound were characterized by NMR, IR, and DSC thermal measurements, as well as elemental analyses. The crystal structure of ethyl-lophine was determined by singlecrystal X-ray structure analysis (triclinic, P1̄, a = 10:1137(3), b = 12:4935(4), c = 14:6351(4) Å , α = 98:182(2)°, β = 90:694(2)°, γ = 102:666(2)°, Z = 4, wR2 = 0:1030 for 611 refined parameters).
Graphical Abstract
Received: 2012-12-19
Published Online: 2014-6-2
Published in Print: 2013-3-1
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