A general method for the preparation of N-heterocyclic carbene–silver(I) complexes in water
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- Saif, M.J. & Flower, K.R. Transition Met Chem (2013) 38: 113. doi:10.1007/s11243-012-9667-3
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A new synthetic method leading to N-heterocyclic carbene–silver(I) complexes [(R2-NHC)2Ag]+ [AgX2]− is developed by using benzimidazolium compounds, NaOH (as a base), silver salts and water (as the reaction medium). Single-crystal X-ray structure revealed that compound 1 comprises a linear [Ag-(Et2-Bimy)2]+ cation and a linear [AgBr2]− anion. These two ions are linked through an AgI–AgI association and staggered at an angle of 90.3°.